fix(ui): integrate PWA build and avoid api caching

Move PWA config into the default Vite build, ensure the PWA icon source is generated, and restrict Workbox caching to static assets only. Update server UI build wiring and clarify TLS requirements in docs.

.github/workflows/release-ui.yml

@@ -0,0 +1,47 @@
+name: Release UI
+
+on:
+  workflow_call: {}
+  workflow_dispatch: {}
+
+permissions:
+  contents: read
+
+env:
+  NODE_VERSION: 20
+
+jobs:
+  release-ui:
+    # Automated via reusable call (main releases); manual runs allowed on dev/main.
+    if: ${{ github.event_name == 'workflow_call' || github.ref == 'refs/heads/dev' || github.ref == 'refs/heads/main' }}
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci --workspaces --include=optional
+
+      - name: Ensure rollup native binary
+        run: npm install @rollup/rollup-linux-x64-gnu --no-save
+
+      - name: Install Cloudflare worker deps
+        run: npm ci
+        working-directory: packages/cloudflare
+
+      - name: Build UI
+        run: npm run build --workspace @codenomad/ui
+
+      - name: Publish UI zip + update manifest
+        working-directory: packages/cloudflare
+        env:
+          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+          CODENOMAD_R2_BUCKET: ${{ vars.CODENOMAD_R2_BUCKET }}
+        run: npm run release:ui

.github/workflows/reusable-release.yml

@@ -69,6 +69,13 @@ jobs:
       release_name: ${{ needs.prepare-release.outputs.release_name }}
     secrets: inherit
 
+  release-ui:
+    needs: prepare-release
+    permissions:
+      contents: read
+    uses: ./.github/workflows/release-ui.yml
+    secrets: inherit
+
   publish-server:
     needs:
       - prepare-release

.gitignore

@@ -7,4 +7,9 @@ release/
 .electron-vite/
 out/
 .dir-locals.el
-.opencode/bashOutputs/
+.opencode/bashOutputs/
+
+# Local runtime artifacts
+.codenomad/
+.tmp/
+packages/cloudflare/.wrangler/

.opencode/commands/release-notes.md

@@ -0,0 +1,7 @@
+---
+description: Creates release notes
+agent: build
+---
+
+Check how I do prepare release notes here - https://github.com/NeuralNomadsAI/CodeNomad/releases/tag/v0.7.0
+Use the same format to create release notes from users perspective for new release by looking at changes from last tagged release to tip of branch

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Neural Nomads
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

package.json

@@ -1,8 +1,9 @@
 {
   "name": "codenomad-workspace",
-  "version": "0.7.2",
+  "version": "0.9.5",
   "private": true,
   "description": "CodeNomad monorepo workspace",
+  "license": "MIT",
   "workspaces": {
     "packages": [
       "packages/server",

packages/cloudflare/.gitignore

@@ -0,0 +1 @@
+dist/

packages/cloudflare/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "@codenomad/ui-host-worker",
+  "private": true,
+  "license": "MIT",
+  "type": "module",
+  "scripts": {
+    "build:manifest": "node ./scripts/build-manifest.mjs",
+    "release:ui": "node ./scripts/release-ui.mjs",
+    "dev": "wrangler dev",
+    "deploy": "wrangler deploy"
+  },
+  "devDependencies": {
+    "wrangler": "^4.0.0"
+  }
+}

packages/cloudflare/release-config.json

@@ -0,0 +1,4 @@
+{
+  "minServerVersion": "0.9.2",
+  "latestServerUrl": "https://github.com/NeuralNomadsAI/CodeNomad/releases/latest"
+}

packages/cloudflare/scripts/build-manifest.mjs

@@ -0,0 +1,83 @@
+import { createHash } from "crypto"
+import fs from "fs"
+import path from "path"
+import { fileURLToPath } from "url"
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+
+const root = path.resolve(__dirname, "..")
+const repoRoot = path.resolve(root, "..", "..")
+
+const releaseConfigPath = path.join(root, "release-config.json")
+const uiPackageJsonPath = path.join(repoRoot, "packages/ui/package.json")
+const serverPackageJsonPath = path.join(repoRoot, "packages/server/package.json")
+
+const distDir = path.join(root, "dist")
+const manifestPath = path.join(distDir, "version.json")
+
+const args = new Set(process.argv.slice(2))
+
+function getArgValue(flag) {
+  const idx = process.argv.indexOf(flag)
+  if (idx === -1) return null
+  return process.argv[idx + 1] ?? null
+}
+
+const zipPath = getArgValue("--zip")
+
+if (!zipPath) {
+  console.error("Usage: node scripts/build-manifest.mjs --zip <path-to-ui-zip>")
+  process.exit(1)
+}
+
+const resolvedZipPath = path.resolve(process.cwd(), zipPath)
+if (!fs.existsSync(resolvedZipPath)) {
+  console.error(`Zip not found: ${resolvedZipPath}`)
+  process.exit(1)
+}
+
+const releaseConfig = JSON.parse(fs.readFileSync(releaseConfigPath, "utf-8"))
+const uiPackageJson = JSON.parse(fs.readFileSync(uiPackageJsonPath, "utf-8"))
+const serverPackageJson = JSON.parse(fs.readFileSync(serverPackageJsonPath, "utf-8"))
+
+const bucket = process.env.CODENOMAD_R2_BUCKET
+
+if (!bucket) {
+  console.error("Missing env var: CODENOMAD_R2_BUCKET")
+  process.exit(1)
+}
+
+const uiVersion = uiPackageJson.version
+const serverVersion = serverPackageJson.version
+
+if (!uiVersion || !serverVersion) {
+  console.error("Missing version fields in package.json")
+  process.exit(1)
+}
+
+const sha256 = createHash("sha256").update(fs.readFileSync(resolvedZipPath)).digest("hex")
+
+const uiPackageURL = `https://download.codenomad.neuralnomads.ai/ui/ui-${uiVersion}.zip`
+
+const manifest = {
+  minServerVersion: releaseConfig.minServerVersion,
+  latestUIVersion: uiVersion,
+  uiPackageURL,
+  sha256,
+  latestServerVersion: serverVersion,
+  latestServerUrl: releaseConfig.latestServerUrl,
+}
+
+fs.mkdirSync(distDir, { recursive: true })
+fs.writeFileSync(manifestPath, JSON.stringify(manifest, null, 2) + "\n", "utf-8")
+
+const headersPath = path.join(distDir, "_headers")
+fs.writeFileSync(
+  headersPath,
+  "/version.json\n  Cache-Control: no-cache\n  Content-Type: application/json; charset=utf-8\n",
+  "utf-8",
+)
+
+console.log(`Wrote ${manifestPath}`)
+console.log(`Wrote ${headersPath}`)

packages/cloudflare/scripts/release-ui.mjs

@@ -0,0 +1,81 @@
+import { execFileSync } from "child_process"
+import fs from "fs"
+import os from "os"
+import path from "path"
+import { fileURLToPath } from "url"
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+
+const root = path.resolve(__dirname, "..")
+const repoRoot = path.resolve(root, "..", "..")
+
+const r2Bucket = process.env.CODENOMAD_R2_BUCKET
+
+if (!r2Bucket) {
+  console.error("Missing env var: CODENOMAD_R2_BUCKET")
+  process.exit(1)
+}
+
+const uiPackageJsonPath = path.join(repoRoot, "packages/ui/package.json")
+const uiPackageJson = JSON.parse(fs.readFileSync(uiPackageJsonPath, "utf-8"))
+const uiVersion = uiPackageJson.version
+
+if (!uiVersion) {
+  console.error("Missing packages/ui/package.json version")
+  process.exit(1)
+}
+
+const uiBuildDir = path.join(repoRoot, "packages/ui/src/renderer/dist")
+if (!fs.existsSync(uiBuildDir)) {
+  console.error(`Missing UI build dir: ${uiBuildDir}. Run UI build first.`)
+  process.exit(1)
+}
+
+const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "codenomad-ui-release-"))
+const zipPath = path.join(tmpDir, `ui-${uiVersion}.zip`)
+
+try {
+  // Zip the CONTENTS of the dist dir (so index.html is at zip root).
+  execFileSync("/usr/bin/zip", ["-q", "-r", zipPath, "."], { cwd: uiBuildDir, stdio: "inherit" })
+
+  // Upload to R2.
+  const objectKey = `ui/ui-${uiVersion}.zip`
+  console.log(`[release-ui] Uploading ${zipPath} -> r2://${r2Bucket}/${objectKey}`)
+
+  execFileSync(
+    "npx",
+    ["wrangler", "r2", "object", "put", "--remote", `${r2Bucket}/${objectKey}`, "--file", zipPath],
+    { cwd: root, stdio: "inherit" },
+  )
+
+  // Generate version.json into packages/cloudflare/dist
+  console.log("[release-ui] Generating version.json")
+  execFileSync(
+    process.execPath,
+    [path.join(root, "scripts/build-manifest.mjs"), "--zip", zipPath],
+    {
+      cwd: root,
+      stdio: "inherit",
+      env: {
+        ...process.env,
+        CODENOMAD_R2_BUCKET: r2Bucket,
+      },
+    },
+  )
+
+  console.log("[release-ui] Deploying worker")
+  execFileSync("npx", ["wrangler", "deploy"], {
+    cwd: root,
+    stdio: "inherit",
+    env: {
+      ...process.env,
+      CLOUDFLARE_API_TOKEN: process.env.CLOUDFLARE_API_TOKEN,
+      CLOUDFLARE_ACCOUNT_ID: process.env.CLOUDFLARE_ACCOUNT_ID,
+    },
+  })
+
+  console.log("[release-ui] Done")
+} finally {
+  fs.rmSync(tmpDir, { recursive: true, force: true })
+}

packages/cloudflare/src/index.ts

@@ -0,0 +1,9 @@
+export interface Env {
+  ASSETS: { fetch: (request: Request) => Promise<Response> }
+}
+
+export default {
+  async fetch(request: Request, env: Env): Promise<Response> {
+    return env.ASSETS.fetch(request)
+  },
+}

packages/cloudflare/wrangler.toml

@@ -0,0 +1,14 @@
+name = "codenomad-ui-host"
+main = "src/index.ts"
+compatibility_date = "2026-01-22"
+
+# Custom domain for the manifest host.
+# Note: Custom domains apply to all paths on the hostname.
+[[routes]]
+pattern = "ui.codenomad.neuralnomads.ai"
+custom_domain = true
+
+[assets]
+directory = "./dist"
+binding = "ASSETS"
+not_found_handling = "404-page"

packages/electron-app/electron/main/main.ts

@@ -505,7 +505,6 @@ app.on("before-quit", async (event) => {
 })
 
 app.on("window-all-closed", () => {
-  if (process.platform !== "darwin") {
-    app.quit()
-  }
+  // CodeNomad supports a single window; closing it should quit the app on all platforms.
+  app.quit()
 })

packages/electron-app/electron/main/process-manager.ts

@@ -1,4 +1,4 @@
-import { spawn, type ChildProcess } from "child_process"
+import { spawn, spawnSync, type ChildProcess } from "child_process"
 import { app } from "electron"
 import { createRequire } from "module"
 import { EventEmitter } from "events"
@@ -82,6 +82,7 @@ export class CliProcessManager extends EventEmitter {
   private stdoutBuffer = ""
   private stderrBuffer = ""
   private bootstrapToken: string | null = null
+  private requestedStop = false
 
   async start(options: StartOptions): Promise<CliStatus> {
     if (this.child) {
@@ -91,6 +92,7 @@ export class CliProcessManager extends EventEmitter {
     this.stdoutBuffer = ""
     this.stderrBuffer = ""
     this.bootstrapToken = null
+    this.requestedStop = false
     this.updateStatus({ state: "starting", port: undefined, pid: undefined, url: undefined, error: undefined })
 
     const cliEntry = this.resolveCliEntry(options)
@@ -109,11 +111,13 @@ export class CliProcessManager extends EventEmitter {
       ? buildUserShellCommand(`ELECTRON_RUN_AS_NODE=1 exec ${this.buildCommand(cliEntry, args)}`)
       : this.buildDirectSpawn(cliEntry, args)
 
+    const detached = process.platform !== "win32"
     const child = spawn(spawnDetails.command, spawnDetails.args, {
       cwd: process.cwd(),
       stdio: ["ignore", "pipe", "pipe"],
       env,
       shell: false,
+      detached,
     })
 
     console.info(`[cli] spawn command: ${spawnDetails.command} ${spawnDetails.args.join(" ")}`)
@@ -175,10 +179,90 @@ export class CliProcessManager extends EventEmitter {
       return
     }
 
+    this.requestedStop = true
+
+    const pid = child.pid
+    if (!pid) {
+      this.child = undefined
+      this.updateStatus({ state: "stopped" })
+      return
+    }
+
+    const isAlreadyExited = () => child.exitCode !== null || child.signalCode !== null
+
+    const tryKillPosixGroup = (signal: NodeJS.Signals) => {
+      try {
+        // Negative PID targets the process group (POSIX).
+        process.kill(-pid, signal)
+        return true
+      } catch (error) {
+        const err = error as NodeJS.ErrnoException
+        if (err?.code === "ESRCH") {
+          return true
+        }
+        return false
+      }
+    }
+
+    const tryKillSinglePid = (signal: NodeJS.Signals) => {
+      try {
+        process.kill(pid, signal)
+        return true
+      } catch (error) {
+        const err = error as NodeJS.ErrnoException
+        if (err?.code === "ESRCH") {
+          return true
+        }
+        return false
+      }
+    }
+
+    const tryTaskkill = (force: boolean) => {
+      const args = ["/PID", String(pid), "/T"]
+      if (force) {
+        args.push("/F")
+      }
+
+      try {
+        const result = spawnSync("taskkill", args, { encoding: "utf8" })
+        const exitCode = result.status
+        if (exitCode === 0) {
+          return true
+        }
+
+        // If the PID is already gone, treat it as success.
+        const stderr = (result.stderr ?? "").toString().toLowerCase()
+        const stdout = (result.stdout ?? "").toString().toLowerCase()
+        const combined = `${stdout}\n${stderr}`
+        if (combined.includes("not found") || combined.includes("no running instance")) {
+          return true
+        }
+        return false
+      } catch {
+        return false
+      }
+    }
+
+    const sendStopSignal = (signal: NodeJS.Signals) => {
+      if (process.platform === "win32") {
+        tryTaskkill(signal === "SIGKILL")
+        return
+      }
+
+      // Prefer process-group signaling so wrapper launchers (shell/tsx) don't outlive Electron.
+      const groupOk = tryKillPosixGroup(signal)
+      if (!groupOk) {
+        tryKillSinglePid(signal)
+      }
+    }
+
     return new Promise((resolve) => {
       const killTimeout = setTimeout(() => {
-        child.kill("SIGKILL")
-      }, 4000)
+        console.warn(
+          `[cli] stop timed out after 30000ms; sending SIGKILL (pid=${child.pid ?? "unknown"})`,
+        )
+        sendStopSignal("SIGKILL")
+      }, 30000)
 
       child.on("exit", () => {
         clearTimeout(killTimeout)
@@ -188,7 +272,15 @@ export class CliProcessManager extends EventEmitter {
         resolve()
       })
 
-      child.kill("SIGTERM")
+      if (isAlreadyExited()) {
+        clearTimeout(killTimeout)
+        this.child = undefined
+        this.updateStatus({ state: "stopped" })
+        resolve()
+        return
+      }
+
+      sendStopSignal("SIGTERM")
     })
   }
 
@@ -202,7 +294,16 @@ export class CliProcessManager extends EventEmitter {
 
   private handleTimeout() {
     if (this.child) {
-      this.child.kill("SIGKILL")
+      const pid = this.child.pid
+      if (pid && process.platform !== "win32") {
+        try {
+          process.kill(-pid, "SIGKILL")
+        } catch {
+          this.child.kill("SIGKILL")
+        }
+      } else {
+        this.child.kill("SIGKILL")
+      }
       this.child = undefined
     }
     this.updateStatus({ state: "error", error: "CLI did not start in time" })
@@ -376,4 +477,3 @@ export class CliProcessManager extends EventEmitter {
     throw new Error("Unable to locate CodeNomad CLI build (dist/bin.js). Run npm run build --workspace @neuralnomads/codenomad.")
   }
 }
-

packages/electron-app/package.json

@@ -1,7 +1,8 @@
 {
   "name": "@neuralnomads/codenomad-electron-app",
-  "version": "0.7.2",
+  "version": "0.9.5",
   "description": "CodeNomad - AI coding assistant",
+  "license": "MIT",
   "author": {
     "name": "Neural Nomads",
     "email": "codenomad@neuralnomads.ai"

packages/opencode-config/package.json

@@ -2,7 +2,8 @@
   "name": "@codenomad/opencode-config",
   "version": "0.5.0",
   "private": true,
+  "license": "MIT",
   "dependencies": {
-    "@opencode-ai/plugin": "1.1.16"
+    "@opencode-ai/plugin": "1.1.42"
   }
 }

packages/server/README.md

@@ -51,8 +51,29 @@ You can configure the server using flags or environment variables:
 | `--config <path>` | `CLI_CONFIG` | Config file location |
 | `--launch` | `CLI_LAUNCH` | Open the UI in a Chromium-based browser |
 | `--log-level <level>` | `CLI_LOG_LEVEL` | Logging level (trace, debug, info, warn, error) |
+| `--username <username>` | `CODENOMAD_SERVER_USERNAME` | Username for CodeNomad's internal auth (default `codenomad`) |
+| `--password <password>` | `CODENOMAD_SERVER_PASSWORD` | Password for CodeNomad's internal auth |
+| `--generate-token` | `CODENOMAD_GENERATE_TOKEN` | Emit a one-time local bootstrap token for desktop flows |
+| `--dangerously-skip-auth` | `CODENOMAD_SKIP_AUTH` | Disable CodeNomad's internal auth (use only behind a trusted perimeter) |
+
+### Authentication
+- Default behavior: CodeNomad requires a login (username/password) and stores a session cookie in the browser.
+- `--dangerously-skip-auth` / `CODENOMAD_SKIP_AUTH=true` disables the login prompt and treats all requests as authenticated.
+  Use this only when access is already protected by another layer (SSO proxy, VPN, Coder workspace auth, etc.).
+  If you bind to `0.0.0.0` while skipping auth, anyone who can reach the port can access the API.
+
+### Progressive Web App (PWA)
+When running as a server CodeNomad can also be installed as a PWA from any supported browser, giving you a native app experience just like the Electron installation but executing on the remote server instead.
+
+1. Open the CodeNomad UI in a Chromium-based browser (Chrome, Edge, Brave, etc.).
+2. Click the install icon in the address bar, or use the browser menu → "Install CodeNomad".
+3. The app will open in a standalone window and appear in your OS app list.
+
+> **TLS requirement**
+> Browsers require a secure (`https://`) connection for PWA installation.
+> If you host CodeNomad on a remote machine, serve it behind a reverse proxy (e.g. Caddy, nginx) with a valid TLS certificate.
+> Self-signed certificates generally won't work unless they are explicitly trusted by the device/browser (e.g., via a custom CA).
 
 ### Data Storage
 - **Config**: `~/.config/codenomad/config.json`
 - **Instance Data**: `~/.config/codenomad/instances` (chat history, etc.)
-

packages/server/package-lock.json

@@ -1,20 +1,30 @@
 {
   "name": "@neuralnomads/codenomad",
-  "version": "0.7.2",
+  "version": "0.9.5",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@neuralnomads/codenomad",
-      "version": "0.7.2",
+      "version": "0.9.5",
       "dependencies": {
         "@fastify/cors": "^8.5.0",
+        "@fastify/reply-from": "^9.8.0",
+        "@fastify/static": "^7.0.4",
         "commander": "^12.1.0",
         "fastify": "^4.28.1",
+        "fuzzysort": "^2.0.4",
         "pino": "^9.4.0",
+        "undici": "^6.19.8",
+        "yauzl": "^2.10.0",
         "zod": "^3.23.8"
       },
+      "bin": {
+        "codenomad": "dist/bin.js"
+      },
       "devDependencies": {
+        "@types/yauzl": "^2.10.0",
+        "cross-env": "^7.0.3",
         "ts-node": "^10.9.2",
         "tsx": "^4.20.6",
         "typescript": "^5.6.3"
@@ -475,6 +485,15 @@
         "node": ">=18"
       }
     },
+    "node_modules/@fastify/accept-negotiator": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@fastify/accept-negotiator/-/accept-negotiator-1.1.0.tgz",
+      "integrity": "sha512-OIHZrb2ImZ7XG85HXOONLcJWGosv7sIvM2ifAPQVhg9Lv7qdmMBNVaai4QTdyuaqbKM5eO6sLSQOYI7wEQeCJQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=14"
+      }
+    },
     "node_modules/@fastify/ajv-compiler": {
       "version": "3.6.0",
       "resolved": "https://registry.npmjs.org/@fastify/ajv-compiler/-/ajv-compiler-3.6.0.tgz",
@@ -486,6 +505,15 @@
         "fast-uri": "^2.0.0"
       }
     },
+    "node_modules/@fastify/busboy": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/@fastify/busboy/-/busboy-2.1.1.tgz",
+      "integrity": "sha512-vBZP4NlzfOlerQTnba4aqZoMhE/a9HY7HRqoOPaETQcSQuWEIyZMHGfVu6w9wGtGK5fED5qRs2DteVCjOH60sA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=14"
+      }
+    },
     "node_modules/@fastify/cors": {
       "version": "8.5.0",
       "resolved": "https://registry.npmjs.org/@fastify/cors/-/cors-8.5.0.tgz",
@@ -520,6 +548,77 @@
         "fast-deep-equal": "^3.1.3"
       }
     },
+    "node_modules/@fastify/reply-from": {
+      "version": "9.8.0",
+      "resolved": "https://registry.npmjs.org/@fastify/reply-from/-/reply-from-9.8.0.tgz",
+      "integrity": "sha512-bPNVaFhEeNI0Lyl6404YZaPFokudCplidE3QoOcr78yOy6H9sYw97p5KPYvY/NJNUHfFtvxOaSAHnK+YSiv/Mg==",
+      "license": "MIT",
+      "dependencies": {
+        "@fastify/error": "^3.0.0",
+        "end-of-stream": "^1.4.4",
+        "fast-content-type-parse": "^1.1.0",
+        "fast-querystring": "^1.0.0",
+        "fastify-plugin": "^4.0.0",
+        "toad-cache": "^3.7.0",
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+      "dependencies": {
+        "buffer-crc32": "~0.2.3",
+        "fd-slicer": "~1.1.0"
+      }
+    },
     "node_modules/yn": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",

packages/server/package.json

@@ -1,7 +1,8 @@
 {
   "name": "@neuralnomads/codenomad",
-  "version": "0.7.2",
+  "version": "0.9.5",
   "description": "CodeNomad Server",
+  "license": "MIT",
   "author": {
     "name": "Neural Nomads",
     "email": "codenomad@neuralnomads.ai"
@@ -32,9 +33,11 @@
     "fuzzysort": "^2.0.4",
     "pino": "^9.4.0",
     "undici": "^6.19.8",
+    "yauzl": "^2.10.0",
     "zod": "^3.23.8"
   },
   "devDependencies": {
+    "@types/yauzl": "^2.10.0",
     "cross-env": "^7.0.3",
     "ts-node": "^10.9.2",
     "tsx": "^4.20.6",

packages/server/src/api-types.ts

@@ -95,6 +95,26 @@ export interface FileSystemListResponse {
   metadata: FileSystemListingMetadata
 }
 
+export interface FileSystemCreateFolderRequest {
+  /**
+   * Path identifier for the currently browsed directory.
+   * Matches the `path` parameter used for `/api/filesystem`.
+   */
+  parentPath?: string
+  /** Single folder name (no separators). */
+  name: string
+}
+
+export interface FileSystemCreateFolderResponse {
+  /**
+   * Path identifier that can be passed back to `/api/filesystem` to browse the new folder.
+   * Relative for restricted listings, absolute for unrestricted.
+   */
+  path: string
+  /** Absolute folder path on the server host. */
+  absolutePath: string
+}
+
 export const WINDOWS_DRIVES_ROOT = "__drives__"
 
 export interface WorkspaceFileResponse {
@@ -167,7 +187,6 @@ export type WorkspaceEventType =
   | "instance.dataChanged"
   | "instance.event"
   | "instance.eventStatus"
-  | "app.releaseAvailable"
 
 export type WorkspaceEventPayload =
   | { type: "workspace.created"; workspace: WorkspaceDescriptor }
@@ -180,7 +199,6 @@ export type WorkspaceEventPayload =
   | { type: "instance.dataChanged"; instanceId: string; data: InstanceData }
   | { type: "instance.event"; instanceId: string; event: InstanceStreamEvent }
   | { type: "instance.eventStatus"; instanceId: string; status: InstanceStreamStatus; reason?: string }
-  | { type: "app.releaseAvailable"; release: LatestReleaseInfo }
 
 export interface NetworkAddress {
   ip: string
@@ -198,6 +216,19 @@ export interface LatestReleaseInfo {
   notes?: string
 }
 
+export interface UiMeta {
+  version?: string
+  source: "bundled" | "downloaded" | "previous" | "override" | "dev-proxy" | "missing"
+}
+
+export interface SupportMeta {
+  supported: boolean
+  message?: string
+  minServerVersion?: string
+  latestServerVersion?: string
+  latestServerUrl?: string
+}
+
 export interface ServerMeta {
   /** Base URL clients should target for REST calls (useful for Electron embedding). */
   httpBaseUrl: string
@@ -215,8 +246,9 @@ export interface ServerMeta {
   workspaceRoot: string
   /** Reachable addresses for this server, external first. */
   addresses: NetworkAddress[]
-  /** Optional metadata about the most recent public release. */
-  latestRelease?: LatestReleaseInfo
+  serverVersion?: string
+  ui?: UiMeta
+  support?: SupportMeta
 }
 
 export type BackgroundProcessStatus = "running" | "stopped" | "error"

packages/server/src/auth/manager.ts

@@ -15,15 +15,25 @@ export interface AuthManagerInit {
   username: string
   password?: string
   generateToken: boolean
+  dangerouslySkipAuth?: boolean
 }
 
 export class AuthManager {
-  private readonly authStore: AuthStore
+  private readonly authStore: AuthStore | null
   private readonly tokenManager: TokenManager | null
   private readonly sessionManager = new SessionManager()
   private readonly cookieName = DEFAULT_AUTH_COOKIE_NAME
+  private readonly authEnabled: boolean
 
   constructor(private readonly init: AuthManagerInit, private readonly logger: Logger) {
+    this.authEnabled = !Boolean(init.dangerouslySkipAuth)
+
+    if (!this.authEnabled) {
+      this.authStore = null
+      this.tokenManager = null
+      return
+    }
+
     const authFilePath = resolveAuthFilePath(init.configPath)
     this.authStore = new AuthStore(authFilePath, logger.child({ component: "auth" }))
 
@@ -37,6 +47,10 @@ export class AuthManager {
     this.tokenManager = init.generateToken ? new TokenManager(60_000) : null
   }
 
+  isAuthEnabled(): boolean {
+    return this.authEnabled
+  }
+
   getCookieName(): string {
     return this.cookieName
   }
@@ -56,19 +70,31 @@ export class AuthManager {
   }
 
   validateLogin(username: string, password: string): boolean {
-    return this.authStore.validateCredentials(username, password)
+    if (!this.authEnabled) {
+      return true
+    }
+    return this.requireAuthStore().validateCredentials(username, password)
   }
 
   createSession(username: string) {
+    if (!this.authEnabled) {
+      return { id: "auth-disabled", createdAt: Date.now(), username: this.init.username }
+    }
     return this.sessionManager.createSession(username)
   }
 
   getStatus() {
-    return this.authStore.getStatus()
+    if (!this.authEnabled) {
+      return { username: this.init.username, passwordUserProvided: false }
+    }
+    return this.requireAuthStore().getStatus()
   }
 
   setPassword(password: string) {
-    return this.authStore.setPassword({ password, markUserProvided: true })
+    if (!this.authEnabled) {
+      throw new Error("Internal authentication is disabled")
+    }
+    return this.requireAuthStore().setPassword({ password, markUserProvided: true })
   }
 
   isLoopbackRequest(request: FastifyRequest): boolean {
@@ -76,6 +102,12 @@ export class AuthManager {
   }
 
   getSessionFromRequest(request: FastifyRequest): { username: string; sessionId: string } | null {
+    if (!this.authEnabled) {
+      // When auth is disabled, treat all requests as authenticated.
+      // We still return a stable username so callers can display it.
+      return { username: this.init.username, sessionId: "auth-disabled" }
+    }
+
     const cookies = parseCookies(request.headers.cookie)
     const sessionId = cookies[this.cookieName]
     const session = this.sessionManager.getSession(sessionId)
@@ -90,6 +122,13 @@ export class AuthManager {
   clearSessionCookie(reply: FastifyReply) {
     reply.header("Set-Cookie", buildSessionCookie(this.cookieName, "", { maxAgeSeconds: 0 }))
   }
+
+  private requireAuthStore(): AuthStore {
+    if (!this.authStore) {
+      throw new Error("Auth store is unavailable")
+    }
+    return this.authStore
+  }
 }
 
 function resolveAuthFilePath(configPath: string) {

packages/server/src/config/schema.ts

@@ -13,8 +13,11 @@ const PreferencesSchema = z.object({
   thinkingBlocksExpansion: z.enum(["expanded", "collapsed"]).default("expanded"),
   showTimelineTools: z.boolean().default(true),
   lastUsedBinary: z.string().optional(),
+  locale: z.string().optional(),
   environmentVariables: z.record(z.string()).default({}),
   modelRecents: z.array(ModelPreferenceSchema).default([]),
+  modelFavorites: z.array(ModelPreferenceSchema).default([]),
+  modelThinkingSelections: z.record(z.string(), z.string()).default({}),
   diffViewMode: z.enum(["split", "unified"]).default("split"),
   toolOutputExpansion: z.enum(["expanded", "collapsed"]).default("expanded"),
   diagnosticsExpansion: z.enum(["expanded", "collapsed"]).default("expanded"),

packages/server/src/events/bus.ts

@@ -29,7 +29,6 @@ export class EventBus extends EventEmitter {
     this.on("instance.dataChanged", handler)
     this.on("instance.event", handler)
     this.on("instance.eventStatus", handler)
-    this.on("app.releaseAvailable", handler)
     return () => {
       this.off("workspace.created", handler)
       this.off("workspace.started", handler)
@@ -41,7 +40,6 @@ export class EventBus extends EventEmitter {
       this.off("instance.dataChanged", handler)
       this.off("instance.event", handler)
       this.off("instance.eventStatus", handler)
-      this.off("app.releaseAvailable", handler)
     }
   }
 }

packages/server/src/filesystem/browser.ts

@@ -2,6 +2,7 @@ import fs from "fs"
 import os from "os"
 import path from "path"
 import {
+  FileSystemCreateFolderResponse,
   FileSystemEntry,
   FileSystemListResponse,
   FileSystemListingMetadata,
@@ -56,6 +57,30 @@ export class FileSystemBrowser {
     return this.listRestrictedWithMetadata(targetPath, includeFiles)
   }
 
+  createFolder(parentPath: string | undefined, folderName: string): FileSystemCreateFolderResponse {
+    const name = this.normalizeFolderName(folderName)
+
+    if (this.unrestricted) {
+      const resolvedParent = this.resolveUnrestrictedPath(parentPath)
+      if (this.isWindows && resolvedParent === WINDOWS_DRIVES_ROOT) {
+        throw new Error("Cannot create folders at drive root")
+      }
+      this.assertDirectoryExists(resolvedParent)
+      const absolutePath = this.resolveAbsoluteChild(resolvedParent, name)
+      fs.mkdirSync(absolutePath)
+      return { path: absolutePath, absolutePath }
+    }
+
+    const normalizedParent = this.normalizeRelativePath(parentPath)
+    const parentAbsolute = this.toRestrictedAbsolute(normalizedParent)
+    this.assertDirectoryExists(parentAbsolute)
+
+    const relativePath = this.buildRelativePath(normalizedParent, name)
+    const absolutePath = this.toRestrictedAbsolute(relativePath)
+    fs.mkdirSync(absolutePath)
+    return { path: relativePath, absolutePath }
+  }
+
   readFile(relativePath: string): string {
     if (this.unrestricted) {
       throw new Error("readFile is not available in unrestricted mode")
@@ -157,25 +182,58 @@ export class FileSystemBrowser {
     return { entries, metadata }
   }
 
+  private normalizeFolderName(input: string): string {
+    const name = input.trim()
+    if (!name) {
+      throw new Error("Folder name is required")
+    }
+
+    if (name === "." || name === "..") {
+      throw new Error("Invalid folder name")
+    }
+
+    if (name.startsWith("~")) {
+      throw new Error("Invalid folder name")
+    }
+
+    if (name.includes("/") || name.includes("\\")) {
+      throw new Error("Folder name must not include path separators")
+    }
+
+    if (name.includes("\u0000")) {
+      throw new Error("Invalid folder name")
+    }
+
+    return name
+  }
+
+  private assertDirectoryExists(directory: string) {
+    if (!fs.existsSync(directory)) {
+      throw new Error(`Directory does not exist: ${directory}`)
+    }
+    const stats = fs.statSync(directory)
+    if (!stats.isDirectory()) {
+      throw new Error(`Path is not a directory: ${directory}`)
+    }
+  }
+
   private readDirectoryEntries(directory: string, options: DirectoryReadOptions): FileSystemEntry[] {
     const dirents = fs.readdirSync(directory, { withFileTypes: true })
     const results: FileSystemEntry[] = []
 
     for (const entry of dirents) {
-      if (!options.includeFiles && !entry.isDirectory()) {
-        continue
-      }
-
       const absoluteEntryPath = path.join(directory, entry.name)
       let stats: fs.Stats
       try {
+        // Use fs.statSync (not Dirent.isDirectory) so symlinks to directories
+        // are treated as directories in directory-only listings.
         stats = fs.statSync(absoluteEntryPath)
       } catch {
         // Skip entries we cannot stat (insufficient permissions, etc.)
         continue
       }
 
-      const isDirectory = entry.isDirectory()
+      const isDirectory = stats.isDirectory()
       if (!options.includeFiles && !isDirectory) {
         continue
       }

packages/server/src/index.ts

@@ -17,7 +17,7 @@ import { InstanceStore } from "./storage/instance-store"
 import { InstanceEventBridge } from "./workspaces/instance-events"
 import { createLogger } from "./logger"
 import { launchInBrowser } from "./launcher"
-import { startReleaseMonitor } from "./releases/release-monitor"
+import { resolveUi } from "./ui/remote-ui"
 import { AuthManager, BOOTSTRAP_TOKEN_STDOUT_PREFIX, DEFAULT_AUTH_USERNAME } from "./auth/manager"
 
 const require = createRequire(import.meta.url)
@@ -37,10 +37,14 @@ interface CliOptions {
   logDestination?: string
   uiStaticDir: string
   uiDevServer?: string
+  uiAutoUpdate: boolean
+  uiNoUpdate: boolean
+  uiManifestUrl?: string
   launch: boolean
   authUsername: string
   authPassword?: string
   generateToken: boolean
+  dangerouslySkipAuth: boolean
 }
 
 const DEFAULT_PORT = 9898
@@ -66,6 +70,9 @@ function parseCliOptions(argv: string[]): CliOptions {
       new Option("--ui-dir <path>", "Directory containing the built UI bundle").env("CLI_UI_DIR").default(DEFAULT_UI_STATIC_DIR),
     )
     .addOption(new Option("--ui-dev-server <url>", "Proxy UI requests to a running dev server").env("CLI_UI_DEV_SERVER"))
+    .addOption(new Option("--ui-no-update", "Disable remote UI updates").env("CLI_UI_NO_UPDATE").default(false))
+    .addOption(new Option("--ui-auto-update <enabled>", "Enable remote UI updates (true|false)").env("CLI_UI_AUTO_UPDATE").default("true"))
+    .addOption(new Option("--ui-manifest-url <url>", "Remote UI manifest URL").env("CLI_UI_MANIFEST_URL"))
     .addOption(new Option("--launch", "Launch the UI in a browser after start").env("CLI_LAUNCH").default(false))
     .addOption(
       new Option("--username <username>", "Username for server authentication")
@@ -78,6 +85,14 @@ function parseCliOptions(argv: string[]): CliOptions {
         .env("CODENOMAD_GENERATE_TOKEN")
         .default(false),
     )
+    .addOption(
+      new Option(
+        "--dangerously-skip-auth",
+        "Disable CodeNomad's internal auth. Use only behind a trusted perimeter (SSO/VPN/etc).",
+      )
+        .env("CODENOMAD_SKIP_AUTH")
+        .default(false),
+    )
 
   program.parse(argv, { from: "user" })
   const parsed = program.opts<{
@@ -91,16 +106,28 @@ function parseCliOptions(argv: string[]): CliOptions {
     logDestination?: string
     uiDir: string
     uiDevServer?: string
+    uiNoUpdate?: boolean
+    uiAutoUpdate?: string
+    uiManifestUrl?: string
     launch?: boolean
     username: string
     password?: string
     generateToken?: boolean
+    dangerouslySkipAuth?: boolean
   }>()
 
+  const parseBooleanEnv = (value: string | undefined): boolean => {
+    const normalized = (value ?? "").trim().toLowerCase()
+    return normalized === "1" || normalized === "true" || normalized === "yes" || normalized === "y" || normalized === "on"
+  }
+
   const resolvedRoot = parsed.workspaceRoot ?? parsed.root ?? process.cwd()
 
   const normalizedHost = resolveHost(parsed.host)
 
+  const autoUpdateString = (parsed.uiAutoUpdate ?? "true").trim().toLowerCase()
+  const uiAutoUpdate = autoUpdateString === "1" || autoUpdateString === "true" || autoUpdateString === "yes"
+
   return {
     port: parsed.port,
     host: normalizedHost,
@@ -111,10 +138,14 @@ function parseCliOptions(argv: string[]): CliOptions {
     logDestination: parsed.logDestination,
     uiStaticDir: parsed.uiDir,
     uiDevServer: parsed.uiDevServer,
+    uiAutoUpdate,
+    uiNoUpdate: Boolean(parsed.uiNoUpdate),
+    uiManifestUrl: parsed.uiManifestUrl,
     launch: Boolean(parsed.launch),
     authUsername: parsed.username,
     authPassword: parsed.password,
     generateToken: Boolean(parsed.generateToken),
+    dangerouslySkipAuth: Boolean(parsed.dangerouslySkipAuth),
   }
 }
 
@@ -127,10 +158,22 @@ function parsePort(input: string): number {
 }
 
 function resolveHost(input: string | undefined): string {
-  if (input && input.trim() === "0.0.0.0") {
+  const trimmed = input?.trim()
+  if (!trimmed) return DEFAULT_HOST
+
+  if (trimmed === "0.0.0.0") {
     return "0.0.0.0"
   }
-  return DEFAULT_HOST
+
+  if (trimmed === "localhost") {
+    return DEFAULT_HOST
+  }
+
+  return trimmed
+}
+
+function programHasArg(argv: string[], flag: string): boolean {
+  return argv.includes(flag)
 }
 
 async function main() {
@@ -147,13 +190,21 @@ async function main() {
 
   logger.info({ options: logOptions }, "Starting CodeNomad CLI server")
 
+  if (options.dangerouslySkipAuth) {
+    logger.warn(
+      "DANGEROUS: internal authentication is disabled (--dangerously-skip-auth / CODENOMAD_SKIP_AUTH).",
+    )
+  }
+
   const eventBus = new EventBus(eventLogger)
 
+  const isLoopbackHost = (host: string) => host === "127.0.0.1" || host === "::1" || host.startsWith("127.")
+
   const serverMeta: ServerMeta = {
     httpBaseUrl: `http://${options.host}:${options.port}`,
     eventsUrl: `/api/events`,
     host: options.host,
-    listeningMode: options.host === "0.0.0.0" ? "all" : "local",
+    listeningMode: isLoopbackHost(options.host) ? "local" : "all",
     port: options.port,
     hostLabel: options.host,
     workspaceRoot: options.rootDir,
@@ -166,11 +217,12 @@ async function main() {
       username: options.authUsername,
       password: options.authPassword,
       generateToken: options.generateToken,
+      dangerouslySkipAuth: options.dangerouslySkipAuth,
     },
     logger.child({ component: "auth" }),
   )
 
-  if (options.generateToken) {
+  if (options.generateToken && !options.dangerouslySkipAuth) {
     const token = authManager.issueBootstrapToken()
     if (token) {
       console.log(`${BOOTSTRAP_TOKEN_STDOUT_PREFIX}${token}`)
@@ -195,19 +247,36 @@ async function main() {
     logger: logger.child({ component: "instance-events" }),
   })
 
-  const releaseMonitor = startReleaseMonitor({
-    currentVersion: packageJson.version,
-    logger: logger.child({ component: "release-monitor" }),
-    onUpdate: (release) => {
-      if (release) {
-        serverMeta.latestRelease = release
-        eventBus.publish({ type: "app.releaseAvailable", release })
-      } else {
-        delete serverMeta.latestRelease
-      }
-    },
+  const uiDirEnvOverride = Boolean(process.env.CLI_UI_DIR)
+  const uiDirCliOverride = programHasArg(process.argv.slice(2), "--ui-dir")
+  const uiOverrideIsExplicit = uiDirEnvOverride || uiDirCliOverride
+  const uiDirOverride = uiOverrideIsExplicit ? options.uiStaticDir : undefined
+
+  const autoUpdateEnabled = options.uiAutoUpdate && !options.uiNoUpdate
+
+  const uiResolution = await resolveUi({
+    serverVersion: packageJson.version,
+    bundledUiDir: DEFAULT_UI_STATIC_DIR,
+    autoUpdate: autoUpdateEnabled,
+    overrideUiDir: uiDirOverride,
+    uiDevServerUrl: options.uiDevServer,
+    manifestUrl: options.uiManifestUrl,
+    logger: logger.child({ component: "ui" }),
   })
 
+  serverMeta.serverVersion = packageJson.version
+  serverMeta.ui = {
+    version: uiResolution.uiVersion,
+    source: uiResolution.source,
+  }
+  serverMeta.support = {
+    supported: uiResolution.supported,
+    message: uiResolution.message,
+    latestServerVersion: uiResolution.latestServerVersion,
+    latestServerUrl: uiResolution.latestServerUrl,
+    minServerVersion: uiResolution.minServerVersion,
+  }
+
   const server = createHttpServer({
     host: options.host,
     port: options.port,
@@ -219,8 +288,8 @@ async function main() {
     serverMeta,
     instanceStore,
     authManager,
-    uiStaticDir: options.uiStaticDir,
-    uiDevServerUrl: options.uiDevServer,
+    uiStaticDir: uiResolution.uiStaticDir ?? DEFAULT_UI_STATIC_DIR,
+    uiDevServerUrl: uiResolution.uiDevServerUrl,
     logger,
   })
 
@@ -240,23 +309,35 @@ async function main() {
       return
     }
     shuttingDown = true
-    logger.info("Received shutdown signal, closing server")
-    try {
-      await server.stop()
-      logger.info("HTTP server stopped")
-    } catch (error) {
-      logger.error({ err: error }, "Failed to stop HTTP server")
-    }
+    logger.info("Received shutdown signal, stopping workspaces and server")
 
-    try {
-      instanceEventBridge.shutdown()
-      await workspaceManager.shutdown()
-      logger.info("Workspace manager shutdown complete")
-    } catch (error) {
-      logger.error({ err: error }, "Workspace manager shutdown failed")
-    }
+    const shutdownWorkspaces = (async () => {
+      try {
+        instanceEventBridge.shutdown()
+      } catch (error) {
+        logger.warn({ err: error }, "Instance event bridge shutdown failed")
+      }
 
-    releaseMonitor.stop()
+      try {
+        await workspaceManager.shutdown()
+        logger.info("Workspace manager shutdown complete")
+      } catch (error) {
+        logger.error({ err: error }, "Workspace manager shutdown failed")
+      }
+    })()
+
+    const shutdownHttp = (async () => {
+      try {
+        await server.stop()
+        logger.info("HTTP server stopped")
+      } catch (error) {
+        logger.error({ err: error }, "Failed to stop HTTP server")
+      }
+    })()
+
+    await Promise.allSettled([shutdownWorkspaces, shutdownHttp])
+
+    // no-op: remote UI manifest replaces GitHub release monitor
 
     logger.info("Exiting process")
     process.exit(0)

packages/server/src/server/http-server.ts

@@ -93,6 +93,7 @@ export function createHttpServer(deps: HttpServerDeps) {
   })
 
   const allowedDevOrigins = new Set(["http://localhost:3000", "http://127.0.0.1:3000"])
+  const isLoopbackHost = (host: string) => host === "127.0.0.1" || host === "::1" || host.startsWith("127.")
 
   app.register(cors, {
     origin: (origin, cb) => {
@@ -113,10 +114,17 @@ export function createHttpServer(deps: HttpServerDeps) {
         return
       }
 
-      if (allowedDevOrigins.has(origin)) {
-        cb(null, true)
-        return
-      }
+       if (allowedDevOrigins.has(origin)) {
+         cb(null, true)
+         return
+       }
+
+       // When we bind to a non-loopback host (e.g., 0.0.0.0 or LAN IP), allow cross-origin UI access.
+       if (deps.host === "0.0.0.0" || !isLoopbackHost(deps.host)) {
+         cb(null, true)
+         return
+       }
+
 
       cb(null, false)
     },
@@ -275,13 +283,13 @@ export function createHttpServer(deps: HttpServerDeps) {
         }
       }
 
-      const displayHost = deps.host === "0.0.0.0" ? "127.0.0.1" : deps.host === "127.0.0.1" ? "localhost" : deps.host
+      const displayHost = deps.host === "127.0.0.1" ? "localhost" : deps.host
       const serverUrl = `http://${displayHost}:${actualPort}`
 
       deps.serverMeta.httpBaseUrl = serverUrl
       deps.serverMeta.host = deps.host
       deps.serverMeta.port = actualPort
-      deps.serverMeta.listeningMode = deps.host === "0.0.0.0" ? "all" : "local"
+      deps.serverMeta.listeningMode = deps.host === "0.0.0.0" || !isLoopbackHost(deps.host) ? "all" : "local"
       deps.logger.info({ port: actualPort, host: deps.host }, "HTTP server listening")
       console.log(`CodeNomad Server is ready at ${serverUrl}`)
 
@@ -372,6 +380,16 @@ async function proxyWorkspaceRequest(args: {
       if (instanceAuthHeader) {
         headers.authorization = instanceAuthHeader
       }
+
+      // Enforce per-workspace directory scoping for all proxied OpenCode requests.
+      // OpenCode expects the *full* path; we send it via header to avoid query tampering.
+      const directory = workspace.path
+      const isNonASCII = /[^\x00-\x7F]/.test(directory)
+      const encodedDirectory = isNonASCII ? encodeURIComponent(directory) : directory
+
+      // Overwrite any client-provided value (case-insensitive headers are normalized by Node).
+      ;(headers as Record<string, unknown>)["x-opencode-directory"] = encodedDirectory
+
       return headers
     },
     onError: (proxyReply, { error }) => {

packages/server/src/server/routes/filesystem.ts

@@ -11,6 +11,11 @@ const FilesystemQuerySchema = z.object({
   includeFiles: z.coerce.boolean().optional(),
 })
 
+const FilesystemCreateFolderSchema = z.object({
+  parentPath: z.string().optional(),
+  name: z.string(),
+})
+
 export function registerFilesystemRoutes(app: FastifyInstance, deps: RouteDeps) {
   app.get("/api/filesystem", async (request, reply) => {
     const query = FilesystemQuerySchema.parse(request.query ?? {})
@@ -24,4 +29,26 @@ export function registerFilesystemRoutes(app: FastifyInstance, deps: RouteDeps)
       return { error: (error as Error).message }
     }
   })
+
+  app.post("/api/filesystem/folders", async (request, reply) => {
+    const body = FilesystemCreateFolderSchema.parse(request.body ?? {})
+
+    try {
+      const created = deps.fileSystemBrowser.createFolder(body.parentPath, body.name)
+      reply.code(201)
+      return created
+    } catch (error) {
+      const err = error as NodeJS.ErrnoException
+      if (err?.code === "EEXIST") {
+        reply.code(409).type("text/plain").send("Folder already exists")
+        return
+      }
+      if (err?.code === "EACCES" || err?.code === "EPERM") {
+        reply.code(403).type("text/plain").send("Permission denied")
+        return
+      }
+
+      reply.code(400).type("text/plain").send((error as Error).message)
+    }
+  })
 }

packages/server/src/server/routes/meta.ts

@@ -17,7 +17,7 @@ function buildMetaResponse(meta: ServerMeta): ServerMeta {
   return {
     ...meta,
     port,
-    listeningMode: meta.host === "0.0.0.0" ? "all" : "local",
+    listeningMode: meta.host === "0.0.0.0" || !isLoopbackHost(meta.host) ? "all" : "local",
     addresses,
   }
 }
@@ -35,6 +35,10 @@ function resolvePort(meta: ServerMeta): number {
   }
 }
 
+function isLoopbackHost(host: string): boolean {
+  return host === "127.0.0.1" || host === "::1" || host.startsWith("127.")
+}
+
 function resolveAddresses(port: number, host: string): NetworkAddress[] {
   const interfaces = os.networkInterfaces()
   const seen = new Set<string>()

packages/server/src/ui/__tests__/remote-ui.test.ts

@@ -0,0 +1,58 @@
+import assert from "node:assert/strict"
+import { mkdtempSync, rmSync, writeFileSync } from "node:fs"
+import { mkdir } from "node:fs/promises"
+import os from "node:os"
+import path from "node:path"
+import { afterEach, beforeEach, describe, it } from "node:test"
+
+import type { Logger } from "../../logger"
+import { resolveUi } from "../remote-ui"
+
+const noopLogger: Logger = {
+  debug: () => {},
+  info: () => {},
+  warn: () => {},
+  error: () => {},
+  trace: () => {},
+  child: () => noopLogger,
+  isLevelEnabled: () => false,
+} as any
+
+let tempRoot: string
+
+beforeEach(() => {
+  tempRoot = mkdtempSync(path.join(os.tmpdir(), "codenomad-ui-test-"))
+})
+
+afterEach(() => {
+  rmSync(tempRoot, { recursive: true, force: true })
+})
+
+describe("resolveUi local version preference", () => {
+  it("prefers bundled when bundled version is higher", async () => {
+    const bundledDir = path.join(tempRoot, "bundled")
+    const configDir = path.join(tempRoot, "config")
+    const currentDir = path.join(configDir, "ui", "current")
+
+    await mkdir(bundledDir, { recursive: true })
+    await mkdir(currentDir, { recursive: true })
+
+    writeFileSync(path.join(bundledDir, "index.html"), "<html>bundled</html>")
+    writeFileSync(path.join(bundledDir, "ui-version.json"), JSON.stringify({ uiVersion: "0.8.1" }))
+
+    writeFileSync(path.join(currentDir, "index.html"), "<html>current</html>")
+    writeFileSync(path.join(currentDir, "ui-version.json"), JSON.stringify({ uiVersion: "0.8.0" }))
+
+    const result = await resolveUi({
+      serverVersion: "0.8.1",
+      bundledUiDir: bundledDir,
+      autoUpdate: false,
+      configDir,
+      logger: noopLogger,
+    })
+
+    assert.equal(result.source, "bundled")
+    assert.equal(result.uiStaticDir, bundledDir)
+    assert.equal(result.uiVersion, "0.8.1")
+  })
+})

packages/server/src/ui/remote-ui.ts

@@ -0,0 +1,571 @@
+import { createHash } from "crypto"
+import fs from "fs"
+import { promises as fsp } from "fs"
+import os from "os"
+import path from "path"
+import { Readable } from "stream"
+import { fetch } from "undici"
+import yauzl from "yauzl"
+import type { Logger } from "../logger"
+
+export interface RemoteUiManifest {
+  minServerVersion: string
+  latestUIVersion: string
+  uiPackageURL: string
+  sha256: string
+  latestServerVersion?: string
+  latestServerUrl?: string
+}
+
+export type UiSource = "bundled" | "downloaded" | "previous" | "override" | "dev-proxy" | "missing"
+
+export interface UiResolution {
+  uiStaticDir?: string
+  uiDevServerUrl?: string
+  source: UiSource
+  uiVersion?: string
+  supported: boolean
+  message?: string
+  latestServerVersion?: string
+  latestServerUrl?: string
+  minServerVersion?: string
+}
+
+export interface RemoteUiOptions {
+  serverVersion: string
+  bundledUiDir: string
+  autoUpdate: boolean
+  overrideUiDir?: string
+  uiDevServerUrl?: string
+  manifestUrl?: string
+  configDir?: string
+  logger: Logger
+}
+
+const DEFAULT_MANIFEST_URL = "https://ui.codenomad.neuralnomads.ai/version.json"
+
+const MANIFEST_TIMEOUT_MS = 5_000
+const ZIP_TIMEOUT_MS = 30_000
+
+export async function resolveUi(options: RemoteUiOptions): Promise<UiResolution> {
+  const manifestUrl = options.manifestUrl ?? DEFAULT_MANIFEST_URL
+
+  if (options.uiDevServerUrl) {
+    return {
+      uiDevServerUrl: options.uiDevServerUrl,
+      source: "dev-proxy",
+      supported: true,
+    }
+  }
+
+  if (options.overrideUiDir) {
+    const resolved = await resolveStaticUiDir(options.overrideUiDir)
+    return {
+      uiStaticDir: resolved ?? options.overrideUiDir,
+      source: "override",
+      uiVersion: await readUiVersion(resolved ?? options.overrideUiDir),
+      supported: true,
+    }
+  }
+
+  const uiRoot = resolveUiCacheRoot(options.configDir)
+  const currentDir = path.join(uiRoot, "current")
+  const previousDir = path.join(uiRoot, "previous")
+
+  if (!options.autoUpdate) {
+    return await resolveFromCacheOrBundled({
+      logger: options.logger,
+      bundledUiDir: options.bundledUiDir,
+      currentDir,
+      previousDir,
+      supported: true,
+    })
+  }
+
+  let manifest: RemoteUiManifest | null = null
+  try {
+    manifest = await fetchManifest(manifestUrl, options.logger)
+  } catch (error) {
+    options.logger.debug({ err: error }, "Remote UI manifest unavailable; using cached/bundled UI")
+  }
+
+  if (!manifest) {
+    return await resolveFromCacheOrBundled({
+      logger: options.logger,
+      bundledUiDir: options.bundledUiDir,
+      currentDir,
+      previousDir,
+      supported: true,
+    })
+  }
+
+  const supported = compareSemverCore(options.serverVersion, manifest.minServerVersion) >= 0
+  if (!supported) {
+    const message = "Upgrade App to use latest features"
+    return await resolveFromCacheOrBundled({
+      logger: options.logger,
+      bundledUiDir: options.bundledUiDir,
+      currentDir,
+      previousDir,
+      supported: false,
+      message,
+      latestServerVersion: manifest.latestServerVersion,
+      latestServerUrl: manifest.latestServerUrl,
+      minServerVersion: manifest.minServerVersion,
+    })
+  }
+
+  const bestLocal = await pickBestLocalUi({
+    logger: options.logger,
+    bundledUiDir: options.bundledUiDir,
+    currentDir,
+    previousDir,
+  })
+
+  const remoteIsNewer =
+    !bestLocal ||
+    compareSemverMaybe(manifest.latestUIVersion, bestLocal.uiVersion) > 0
+
+  if (!remoteIsNewer) {
+    return await resolveFromCacheOrBundled({
+      logger: options.logger,
+      bundledUiDir: options.bundledUiDir,
+      currentDir,
+      previousDir,
+      supported: true,
+      latestServerVersion: manifest.latestServerVersion,
+      latestServerUrl: manifest.latestServerUrl,
+      minServerVersion: manifest.minServerVersion,
+    })
+  }
+
+  try {
+    await installRemoteUi({
+      manifest,
+      uiRoot,
+      currentDir,
+      previousDir,
+      logger: options.logger,
+    })
+  } catch (error) {
+    options.logger.warn({ err: error }, "Failed to install remote UI; falling back")
+    return await resolveFromCacheOrBundled({
+      logger: options.logger,
+      bundledUiDir: options.bundledUiDir,
+      currentDir,
+      previousDir,
+      supported: true,
+      latestServerVersion: manifest.latestServerVersion,
+      latestServerUrl: manifest.latestServerUrl,
+      minServerVersion: manifest.minServerVersion,
+    })
+  }
+
+  const installed = await resolveStaticUiDir(currentDir)
+  if (installed) {
+    return {
+      uiStaticDir: installed,
+      source: "downloaded",
+      uiVersion: await readUiVersion(installed),
+      supported: true,
+      latestServerVersion: manifest.latestServerVersion,
+      latestServerUrl: manifest.latestServerUrl,
+      minServerVersion: manifest.minServerVersion,
+    }
+  }
+
+  return await resolveFromCacheOrBundled({
+    logger: options.logger,
+    bundledUiDir: options.bundledUiDir,
+    currentDir,
+    previousDir,
+    supported: true,
+    latestServerVersion: manifest.latestServerVersion,
+    latestServerUrl: manifest.latestServerUrl,
+    minServerVersion: manifest.minServerVersion,
+  })
+}
+
+function resolveUiCacheRoot(configDir?: string): string {
+  if (configDir) {
+    return path.join(configDir, "ui")
+  }
+  return path.join(os.homedir(), ".config", "codenomad", "ui")
+}
+
+async function resolveFromCacheOrBundled(args: {
+  logger: Logger
+  bundledUiDir: string
+  currentDir: string
+  previousDir: string
+  supported: boolean
+  message?: string
+  latestServerVersion?: string
+  latestServerUrl?: string
+  minServerVersion?: string
+}): Promise<UiResolution> {
+  const bestLocal = await pickBestLocalUi({
+    logger: args.logger,
+    bundledUiDir: args.bundledUiDir,
+    currentDir: args.currentDir,
+    previousDir: args.previousDir,
+  })
+
+  if (bestLocal) {
+    return {
+      uiStaticDir: bestLocal.uiStaticDir,
+      source: bestLocal.source,
+      uiVersion: bestLocal.uiVersion,
+      supported: args.supported,
+      message: args.message,
+      latestServerVersion: args.latestServerVersion,
+      latestServerUrl: args.latestServerUrl,
+      minServerVersion: args.minServerVersion,
+    }
+  }
+
+  args.logger.warn({ bundledUiDir: args.bundledUiDir }, "No UI assets found")
+  return {
+    uiStaticDir: args.bundledUiDir,
+    source: "missing",
+    supported: args.supported,
+    message: args.message,
+    latestServerVersion: args.latestServerVersion,
+    latestServerUrl: args.latestServerUrl,
+    minServerVersion: args.minServerVersion,
+  }
+}
+
+async function pickBestLocalUi(args: {
+  logger: Logger
+  bundledUiDir: string
+  currentDir: string
+  previousDir: string
+}): Promise<{ uiStaticDir: string; source: UiSource; uiVersion?: string } | null> {
+  const candidates: Array<{ uiStaticDir: string; source: UiSource; uiVersion?: string; priority: number }> = []
+
+  const currentResolved = await resolveStaticUiDir(args.currentDir)
+  if (currentResolved) {
+    candidates.push({
+      uiStaticDir: currentResolved,
+      source: "downloaded",
+      uiVersion: await readUiVersion(currentResolved),
+      priority: 2,
+    })
+  }
+
+  const bundledResolved = await resolveStaticUiDir(args.bundledUiDir)
+  if (bundledResolved) {
+    candidates.push({
+      uiStaticDir: bundledResolved,
+      source: "bundled",
+      uiVersion: await readUiVersion(bundledResolved),
+      priority: 1,
+    })
+  }
+
+  const previousResolved = await resolveStaticUiDir(args.previousDir)
+  if (previousResolved) {
+    candidates.push({
+      uiStaticDir: previousResolved,
+      source: "previous",
+      uiVersion: await readUiVersion(previousResolved),
+      priority: 0,
+    })
+  }
+
+  if (candidates.length === 0) {
+    return null
+  }
+
+  candidates.sort((a, b) => {
+    const versionCmp = compareSemverMaybe(a.uiVersion, b.uiVersion)
+    if (versionCmp !== 0) return -versionCmp
+    return b.priority - a.priority
+  })
+
+  const best = candidates[0]
+  if (!best) return null
+  return { uiStaticDir: best.uiStaticDir, source: best.source, uiVersion: best.uiVersion }
+}
+
+function compareSemverMaybe(a: string | undefined, b: string | undefined): number {
+  if (!a && !b) return 0
+  if (!a) return -1
+  if (!b) return 1
+  return compareSemverCore(a, b)
+}
+
+async function resolveStaticUiDir(uiDir: string): Promise<string | null> {
+  try {
+    const indexPath = path.join(uiDir, "index.html")
+    await fsp.access(indexPath, fs.constants.R_OK)
+    return uiDir
+  } catch {
+    return null
+  }
+}
+
+interface UiVersionFile {
+  uiVersion?: string
+  version?: string
+}
+
+async function readUiVersion(uiDir: string): Promise<string | undefined> {
+  try {
+    const content = await fsp.readFile(path.join(uiDir, "ui-version.json"), "utf-8")
+    const parsed = JSON.parse(content) as UiVersionFile
+    return parsed.uiVersion ?? parsed.version
+  } catch {
+    return undefined
+  }
+}
+
+async function fetchManifest(url: string, logger: Logger): Promise<RemoteUiManifest> {
+  const controller = new AbortController()
+  const timeout = setTimeout(() => controller.abort(), MANIFEST_TIMEOUT_MS)
+  try {
+    const response = await fetch(url, {
+      signal: controller.signal,
+      headers: {
+        Accept: "application/json",
+        "User-Agent": "CodeNomad-CLI",
+      },
+    })
+    if (!response.ok) {
+      throw new Error(`Manifest responded with ${response.status}`)
+    }
+    const json = (await response.json()) as RemoteUiManifest
+    validateManifest(json)
+    return json
+  } catch (error) {
+    logger.debug({ err: error, url }, "Failed to fetch remote UI manifest")
+    throw error
+  } finally {
+    clearTimeout(timeout)
+  }
+}
+
+function validateManifest(manifest: RemoteUiManifest) {
+  const required: Array<keyof RemoteUiManifest> = ["minServerVersion", "latestUIVersion", "uiPackageURL", "sha256"]
+  for (const key of required) {
+    const value = manifest[key]
+    if (typeof value !== "string" || value.trim().length === 0) {
+      throw new Error(`Manifest missing ${key}`)
+    }
+  }
+  if (!/^https:\/\//i.test(manifest.uiPackageURL)) {
+    throw new Error("uiPackageURL must be https")
+  }
+  if (!/^[a-f0-9]{64}$/i.test(manifest.sha256.trim())) {
+    throw new Error("sha256 must be 64 hex chars")
+  }
+}
+
+async function installRemoteUi(args: {
+  manifest: RemoteUiManifest
+  uiRoot: string
+  currentDir: string
+  previousDir: string
+  logger: Logger
+}) {
+  await fsp.mkdir(args.uiRoot, { recursive: true })
+
+  const tmpDir = path.join(args.uiRoot, `tmp-${Date.now()}`)
+  const zipPath = path.join(args.uiRoot, `ui-${args.manifest.latestUIVersion}.zip`)
+
+  try {
+    await downloadFile(args.manifest.uiPackageURL, zipPath, args.logger)
+    const digest = await sha256File(zipPath)
+    if (digest.toLowerCase() !== args.manifest.sha256.toLowerCase()) {
+      throw new Error(`sha256 mismatch for UI zip (expected ${args.manifest.sha256}, got ${digest})`)
+    }
+
+    await extractZip(zipPath, tmpDir)
+
+    const indexPath = path.join(tmpDir, "index.html")
+    if (!fs.existsSync(indexPath)) {
+      throw new Error("Extracted UI missing index.html")
+    }
+
+    await rotateDirs({ currentDir: args.currentDir, previousDir: args.previousDir, logger: args.logger })
+
+    fs.rmSync(args.currentDir, { recursive: true, force: true })
+    fs.renameSync(tmpDir, args.currentDir)
+  } finally {
+    fs.rmSync(tmpDir, { recursive: true, force: true })
+    fs.rmSync(zipPath, { force: true })
+  }
+}
+
+async function rotateDirs(args: { currentDir: string; previousDir: string; logger: Logger }) {
+  try {
+    if (fs.existsSync(args.previousDir)) {
+      fs.rmSync(args.previousDir, { recursive: true, force: true })
+    }
+    if (fs.existsSync(args.currentDir)) {
+      fs.renameSync(args.currentDir, args.previousDir)
+    }
+  } catch (error) {
+    args.logger.warn({ err: error }, "Failed to rotate UI cache directories")
+  }
+}
+
+async function downloadFile(url: string, targetPath: string, logger: Logger) {
+  const controller = new AbortController()
+  const timeout = setTimeout(() => controller.abort(), ZIP_TIMEOUT_MS)
+  try {
+    const response = await fetch(url, {
+      signal: controller.signal,
+      headers: {
+        Accept: "application/octet-stream",
+        "User-Agent": "CodeNomad-CLI",
+      },
+    })
+    if (!response.ok || !response.body) {
+      throw new Error(`UI zip download failed with ${response.status}`)
+    }
+
+    await fsp.mkdir(path.dirname(targetPath), { recursive: true })
+    const fileStream = fs.createWriteStream(targetPath)
+
+    const body = response.body
+    if (!body) {
+      throw new Error("UI zip response missing body")
+    }
+
+    const nodeStream = Readable.fromWeb(body as any)
+
+    await new Promise<void>((resolve, reject) => {
+      nodeStream.pipe(fileStream)
+      nodeStream.on("error", reject)
+      fileStream.on("error", reject)
+      fileStream.on("finish", () => resolve())
+    })
+
+    logger.debug({ url, targetPath }, "Downloaded remote UI bundle")
+  } finally {
+    clearTimeout(timeout)
+  }
+}
+
+async function sha256File(filePath: string): Promise<string> {
+  const hash = createHash("sha256")
+  const stream = fs.createReadStream(filePath)
+  await new Promise<void>((resolve, reject) => {
+    stream.on("data", (chunk) => hash.update(chunk))
+    stream.on("error", reject)
+    stream.on("end", () => resolve())
+  })
+  return hash.digest("hex")
+}
+
+async function extractZip(zipPath: string, targetDir: string): Promise<void> {
+  await fsp.mkdir(targetDir, { recursive: true })
+
+  await new Promise<void>((resolve, reject) => {
+    yauzl.open(zipPath, { lazyEntries: true }, (openErr, zipfile) => {
+      if (openErr || !zipfile) {
+        reject(openErr ?? new Error("Unable to open zip"))
+        return
+      }
+
+      const root = path.resolve(targetDir)
+
+      const closeWithError = (error: unknown) => {
+        try {
+          zipfile.close()
+        } catch {
+          // ignore
+        }
+        reject(error)
+      }
+
+      zipfile.readEntry()
+
+      zipfile.on("entry", (entry) => {
+        // Normalize and guard against zip-slip.
+        const entryPath = entry.fileName.replace(/\\/g, "/")
+
+        const segments = entryPath.split("/").filter(Boolean)
+        if (segments.some((segment: string) => segment === "..") || path.isAbsolute(entryPath)) {
+          closeWithError(new Error(`Invalid zip entry path: ${entry.fileName}`))
+          return
+        }
+
+        const destination = path.resolve(targetDir, entryPath)
+        if (!destination.startsWith(root + path.sep) && destination !== root) {
+          closeWithError(new Error(`Zip entry escapes target dir: ${entry.fileName}`))
+          return
+        }
+
+        const isDirectory = entry.fileName.endsWith("/")
+
+        if (isDirectory) {
+          fsp
+            .mkdir(destination, { recursive: true })
+            .then(() => zipfile.readEntry())
+            .catch((error) => closeWithError(error))
+          return
+        }
+
+        fsp
+          .mkdir(path.dirname(destination), { recursive: true })
+          .then(() => {
+            zipfile.openReadStream(entry, (streamErr, readStream) => {
+              if (streamErr || !readStream) {
+                closeWithError(streamErr ?? new Error("Unable to read zip entry"))
+                return
+              }
+
+              const writeStream = fs.createWriteStream(destination)
+              const cleanup = (error?: unknown) => {
+                readStream.destroy()
+                writeStream.destroy()
+                if (error) {
+                  closeWithError(error)
+                }
+              }
+
+              readStream.on("error", cleanup)
+              writeStream.on("error", cleanup)
+              writeStream.on("finish", () => zipfile.readEntry())
+
+              readStream.pipe(writeStream)
+            })
+          })
+          .catch((error) => closeWithError(error))
+      })
+
+      zipfile.on("end", () => {
+        zipfile.close()
+        resolve()
+      })
+
+      zipfile.on("error", (error) => closeWithError(error))
+    })
+  })
+}
+
+function compareSemverCore(a: string, b: string): number {
+  const pa = parseSemverCore(a)
+  const pb = parseSemverCore(b)
+  if (pa.major !== pb.major) return pa.major > pb.major ? 1 : -1
+  if (pa.minor !== pb.minor) return pa.minor > pb.minor ? 1 : -1
+  if (pa.patch !== pb.patch) return pa.patch > pb.patch ? 1 : -1
+  return 0
+}
+
+function parseSemverCore(value: string): { major: number; minor: number; patch: number } {
+  const core = value.trim().replace(/^v/i, "").split("-", 1)[0] ?? "0.0.0"
+  const parts = core.split(".")
+  const parsePart = (input: string | undefined) => {
+    const n = Number.parseInt((input ?? "0").replace(/[^0-9]/g, ""), 10)
+    return Number.isFinite(n) ? n : 0
+  }
+  return {
+    major: parsePart(parts[0]),
+    minor: parsePart(parts[1]),
+    patch: parsePart(parts[2]),
+  }
+}

packages/server/src/workspaces/manager.ts

@@ -187,16 +187,27 @@ export class WorkspaceManager {
 
   async shutdown() {
     this.options.logger.info("Shutting down all workspaces")
+
+    const stopTasks: Array<Promise<void>> = []
+
     for (const [id, workspace] of this.workspaces) {
-      if (workspace.pid) {
-        this.options.logger.info({ workspaceId: id }, "Stopping workspace during shutdown")
-        await this.runtime.stop(id).catch((error) => {
-          this.options.logger.error({ workspaceId: id, err: error }, "Failed to stop workspace during shutdown")
-        })
-      } else {
+      if (!workspace.pid) {
         this.options.logger.debug({ workspaceId: id }, "Workspace already stopped")
+        continue
       }
+
+      this.options.logger.info({ workspaceId: id }, "Stopping workspace during shutdown")
+      stopTasks.push(
+        this.runtime.stop(id).catch((error) => {
+          this.options.logger.error({ workspaceId: id, err: error }, "Failed to stop workspace during shutdown")
+        }),
+      )
     }
+
+    if (stopTasks.length > 0) {
+      await Promise.allSettled(stopTasks)
+    }
+
     this.workspaces.clear()
     this.opencodeAuth.clear()
     this.options.logger.info("All workspaces cleared")

packages/server/src/workspaces/runtime.ts

@@ -1,4 +1,4 @@
-import { ChildProcess, spawn } from "child_process"
+import { ChildProcess, spawn, spawnSync } from "child_process"
 import { existsSync, statSync } from "fs"
 import path from "path"
 import { EventBus } from "../events/bus"
@@ -122,10 +122,12 @@ export class WorkspaceRuntime {
         },
         "Launching OpenCode process",
       )
+      const detached = process.platform !== "win32"
       const child = spawn(spec.command, spec.args, {
         cwd: options.folder,
         env,
         stdio: ["ignore", "pipe", "pipe"],
+        detached,
         ...spec.options,
       })
 
@@ -259,10 +261,96 @@ export class WorkspaceRuntime {
     const child = managed.child
     this.logger.info({ workspaceId }, "Stopping OpenCode process")
 
+    const pid = child.pid
+    if (!pid) {
+      this.logger.warn({ workspaceId }, "Workspace process missing PID; cannot stop")
+      return
+    }
+
+    const isAlreadyExited = () => child.exitCode !== null || child.signalCode !== null
+
+    const tryKillPosixGroup = (signal: NodeJS.Signals) => {
+      try {
+        // Negative PID targets the process group (POSIX).
+        process.kill(-pid, signal)
+        return true
+      } catch (error) {
+        const err = error as NodeJS.ErrnoException
+        if (err?.code === "ESRCH") {
+          return true
+        }
+        this.logger.debug({ workspaceId, pid, err }, "Failed to signal POSIX process group")
+        return false
+      }
+    }
+
+    const tryKillSinglePid = (signal: NodeJS.Signals) => {
+      try {
+        process.kill(pid, signal)
+        return true
+      } catch (error) {
+        const err = error as NodeJS.ErrnoException
+        if (err?.code === "ESRCH") {
+          return true
+        }
+        this.logger.debug({ workspaceId, pid, err }, "Failed to signal workspace PID")
+        return false
+      }
+    }
+
+    const tryTaskkill = (force: boolean) => {
+      const args = ["/PID", String(pid), "/T"]
+      if (force) {
+        args.push("/F")
+      }
+
+      try {
+        const result = spawnSync("taskkill", args, { encoding: "utf8" })
+        const exitCode = result.status
+        if (exitCode === 0) {
+          return true
+        }
+        // If the PID is already gone, treat it as success.
+        const stderr = (result.stderr ?? "").toString().toLowerCase()
+        const stdout = (result.stdout ?? "").toString().toLowerCase()
+        const combined = `${stdout}\n${stderr}`
+        if (combined.includes("not found") || combined.includes("no running instance") || combined.includes("process") && combined.includes("not")) {
+          return true
+        }
+        this.logger.debug({ workspaceId, pid, exitCode, stderr: result.stderr, stdout: result.stdout }, "taskkill failed")
+        return false
+      } catch (error) {
+        this.logger.debug({ workspaceId, pid, err: error }, "taskkill failed to execute")
+        return false
+      }
+    }
+
+    const sendStopSignal = (signal: NodeJS.Signals) => {
+      if (process.platform === "win32") {
+        // Best-effort: terminate the whole process tree rooted at pid.
+        // Use /F only for escalation.
+        tryTaskkill(signal === "SIGKILL")
+        return
+      }
+
+      // Prefer process-group signaling so wrapper launchers (bun/node) don't orphan the real server.
+      const groupOk = tryKillPosixGroup(signal)
+      if (!groupOk) {
+        // Fallback to direct PID kill.
+        tryKillSinglePid(signal)
+      }
+    }
+
     await new Promise<void>((resolve, reject) => {
+      let escalationTimer: NodeJS.Timeout | null = null
+
       const cleanup = () => {
         child.removeListener("exit", onExit)
         child.removeListener("error", onError)
+        if (escalationTimer) {
+          clearTimeout(escalationTimer)
+          escalationTimer = null
+        }
       }
 
       const onExit = () => {
@@ -274,32 +362,30 @@ export class WorkspaceRuntime {
         reject(error)
       }
 
-      const resolveIfAlreadyExited = () => {
-        if (child.exitCode !== null || child.signalCode !== null) {
-          this.logger.debug({ workspaceId, exitCode: child.exitCode, signal: child.signalCode }, "Process already exited")
-          cleanup()
-          resolve()
-          return true
-        }
-        return false
+      if (isAlreadyExited()) {
+        this.logger.debug({ workspaceId, exitCode: child.exitCode, signal: child.signalCode }, "Process already exited")
+        cleanup()
+        resolve()
+        return
       }
 
       child.once("exit", onExit)
       child.once("error", onError)
 
-      if (resolveIfAlreadyExited()) {
-        return
-      }
+      this.logger.debug(
+        { workspaceId, pid, detached: process.platform !== "win32" },
+        "Sending SIGTERM to workspace process (tree/group)",
+      )
+      sendStopSignal("SIGTERM")
 
-      this.logger.debug({ workspaceId }, "Sending SIGTERM to workspace process")
-      child.kill("SIGTERM")
-      setTimeout(() => {
-        if (!child.killed) {
-          this.logger.warn({ workspaceId }, "Process did not stop after SIGTERM, force killing")
-          child.kill("SIGKILL")
-        } else {
-          this.logger.debug({ workspaceId }, "Workspace process stopped gracefully before SIGKILL timeout")
+      escalationTimer = setTimeout(() => {
+        escalationTimer = null
+        if (isAlreadyExited()) {
+          this.logger.debug({ workspaceId, pid }, "Workspace exited before SIGKILL escalation")
+          return
         }
+        this.logger.warn({ workspaceId, pid }, "Process did not stop after SIGTERM, escalating")
+        sendStopSignal("SIGKILL")
       }, 2000)
     })
   }

packages/tauri-app/package.json

@@ -1,7 +1,8 @@
 {
   "name": "@codenomad/tauri-app",
-  "version": "0.7.2",
+  "version": "0.9.5",
   "private": true,
+  "license": "MIT",
   "scripts": {
     "dev": "tauri dev",
     "dev:ui": "npm run dev --workspace @codenomad/ui",

packages/tauri-app/src-tauri/Cargo.toml

@@ -2,6 +2,7 @@
 name = "codenomad-tauri"
 version = "0.1.0"
 edition = "2021"
+license = "MIT"
 
 [build-dependencies]
 tauri-build = { version = "2.5.2", features = [] }

packages/tauri-app/src-tauri/capabilities/main-window.json

@@ -3,7 +3,7 @@
   "identifier": "main-window-native-dialogs",
   "description": "Grant the main window access to required core features and native dialog commands.",
   "remote": {
-    "urls": ["http://127.0.0.1:*", "http://localhost:*"]
+    "urls": ["http://127.0.0.1:*", "http://localhost:*", "http://tauri.localhost/*", "https://tauri.localhost/*"]
   },
   "windows": ["main"],
   "permissions": [

packages/tauri-app/src-tauri/gen/schemas/capabilities.json

@@ -1 +1 @@
-{"main-window-native-dialogs":{"identifier":"main-window-native-dialogs","description":"Grant the main window access to required core features and native dialog commands.","remote":{"urls":["http://127.0.0.1:*","http://localhost:*"]},"local":true,"windows":["main"],"permissions":["core:default","core:menu:default","dialog:allow-open","opener:allow-default-urls","core:webview:allow-set-webview-zoom"]}}
+{"main-window-native-dialogs":{"identifier":"main-window-native-dialogs","description":"Grant the main window access to required core features and native dialog commands.","remote":{"urls":["http://127.0.0.1:*","http://localhost:*","http://tauri.localhost/*","https://tauri.localhost/*"]},"local":true,"windows":["main"],"permissions":["core:default","core:menu:default","dialog:allow-open","opener:allow-default-urls","core:webview:allow-set-webview-zoom"]}}

packages/tauri-app/src-tauri/src/cli_manager.rs

@@ -34,6 +34,8 @@ fn workspace_root() -> Option<PathBuf> {
 
 const SESSION_COOKIE_NAME: &str = "codenomad_session";
 
+const CLI_STOP_GRACE_SECS: u64 = 30;
+
 fn navigate_main(app: &AppHandle, url: &str) {
     if let Some(win) = app.webview_windows().get("main") {
         let mut display = url.to_string();
@@ -276,6 +278,7 @@ impl CliProcessManager {
     pub fn stop(&self) -> anyhow::Result<()> {
         let mut child_opt = self.child.lock();
         if let Some(mut child) = child_opt.take() {
+            log_line(&format!("stopping CLI pid={}", child.id()));
             #[cfg(unix)]
             unsafe {
                 libc::kill(child.id() as i32, libc::SIGTERM);
@@ -290,7 +293,12 @@ impl CliProcessManager {
                 match child.try_wait() {
                     Ok(Some(_)) => break,
                     Ok(None) => {
-                        if start.elapsed() > Duration::from_secs(4) {
+                        if start.elapsed() > Duration::from_secs(CLI_STOP_GRACE_SECS) {
+                            log_line(&format!(
+                                "stop timed out after {}s; sending SIGKILL pid={}",
+                                CLI_STOP_GRACE_SECS,
+                                child.id()
+                            ));
                             #[cfg(unix)]
                             unsafe {
                                 libc::kill(child.id() as i32, libc::SIGKILL);
@@ -456,13 +464,33 @@ impl CliProcessManager {
         let status_clone = status.clone();
         let app_clone = app.clone();
         thread::spawn(move || {
-            let code = {
-                let mut guard = child_holder.lock();
-                if let Some(child) = guard.as_mut() {
-                    child.wait().ok()
-                } else {
-                    None
+            // Do not hold the child mutex while waiting for process exit.
+            // Holding the lock across `wait()` deadlocks `stop()`, which needs the
+            // same lock to send SIGTERM/SIGKILL when the user quits the app.
+            let code = loop {
+                let maybe_exited = {
+                    let mut guard = child_holder.lock();
+                    if guard.is_none() {
+                        return;
+                    }
+                    match guard
+                        .as_mut()
+                        .and_then(|child| child.try_wait().ok().flatten())
+                    {
+                        Some(status) => {
+                            // Drop the handle after the process exits so other callers
+                            // don't attempt to stop/kill a finished process.
+                            *guard = None;
+                            Some(status)
+                        }
+                        None => None,
+                    }
+                };
+
+                if let Some(status) = maybe_exited {
+                    break Some(status);
                 }
+                thread::sleep(Duration::from_millis(100));
             };
 
             let mut locked = status_clone.lock();

packages/tauri-app/src-tauri/src/main.rs

@@ -4,6 +4,7 @@ mod cli_manager;
 
 use cli_manager::{CliProcessManager, CliStatus};
 use serde_json::json;
+use std::sync::atomic::{AtomicBool, Ordering};
 use tauri::menu::{MenuBuilder, MenuItem, SubmenuBuilder};
 use tauri::plugin::{Builder as PluginBuilder, TauriPlugin};
 use tauri::webview::Webview;
@@ -11,6 +12,8 @@ use tauri::{AppHandle, Emitter, Manager, Runtime, Wry};
 use tauri_plugin_opener::OpenerExt;
 use url::Url;
 
+static QUIT_REQUESTED: AtomicBool = AtomicBool::new(false);
+
 #[derive(Clone)]
 pub struct AppState {
     pub manager: CliProcessManager,
@@ -39,7 +42,10 @@ fn is_dev_mode() -> bool {
 fn should_allow_internal(url: &Url) -> bool {
     match url.scheme() {
         "tauri" | "asset" | "file" => true,
-        "http" | "https" => matches!(url.host_str(), Some("127.0.0.1" | "localhost")),
+        // On Windows/WebView2, Tauri serves the app assets from `tauri.localhost`.
+        // This must be treated as an internal origin or the navigation guard will
+        // redirect it to the system browser and the app will appear blank.
+        "http" | "https" => matches!(url.host_str(), Some("127.0.0.1" | "localhost" | "tauri.localhost")),
         _ => false,
     }
 }
@@ -163,7 +169,13 @@ fn main() {
         .build(tauri::generate_context!())
         .expect("error while building tauri application")
         .run(|app_handle, event| match event {
-            tauri::RunEvent::ExitRequested { .. } => {
+            tauri::RunEvent::ExitRequested { api, .. } => {
+                // `app_handle.exit(0)` triggers another `ExitRequested`. Without a guard, we can
+                // prevent exit forever and the app never quits (Cmd+Q / Quit menu appears stuck).
+                if QUIT_REQUESTED.swap(true, Ordering::SeqCst) {
+                    return;
+                }
+                api.prevent_exit();
                 let app = app_handle.clone();
                 std::thread::spawn(move || {
                     if let Some(state) = app.try_state::<AppState>() {
@@ -173,18 +185,21 @@ fn main() {
                 });
             }
             tauri::RunEvent::WindowEvent {
-                event: tauri::WindowEvent::Destroyed,
+                event: tauri::WindowEvent::CloseRequested { api, .. },
                 ..
             } => {
-                if app_handle.webview_windows().len() <= 1 {
-                    let app = app_handle.clone();
-                    std::thread::spawn(move || {
-                        if let Some(state) = app.try_state::<AppState>() {
-                            let _ = state.manager.stop();
-                        }
-                        app.exit(0);
-                    });
+                // Ensure we have time to stop the CLI process before the app exits.
+                if QUIT_REQUESTED.swap(true, Ordering::SeqCst) {
+                    return;
                 }
+                api.prevent_close();
+                let app = app_handle.clone();
+                std::thread::spawn(move || {
+                    if let Some(state) = app.try_state::<AppState>() {
+                        let _ = state.manager.stop();
+                    }
+                    app.exit(0);
+                });
             }
             _ => {}
         });

packages/ui/.gitignore

@@ -1,3 +1,4 @@
 node_modules/
 dist/
 .vite/
+src/renderer/public/logo.png

packages/ui/package.json

@@ -1,7 +1,8 @@
 {
   "name": "@codenomad/ui",
-  "version": "0.7.2",
+  "version": "0.9.5",
   "private": true,
+  "license": "MIT",
   "type": "module",
   "scripts": {
     "dev": "vite dev",
@@ -17,6 +18,7 @@
     "@suid/icons-material": "^0.9.0",
     "@suid/material": "^0.19.0",
     "@suid/system": "^0.14.0",
+    "@tauri-apps/plugin-opener": "^2.5.3",
     "ansi-sequence-parser": "^1.1.3",
     "debug": "^4.4.3",
     "github-markdown-css": "^5.8.1",
@@ -28,11 +30,13 @@
     "solid-toast": "^0.5.0"
   },
   "devDependencies": {
+    "@vite-pwa/assets-generator": "^1.0.2",
     "autoprefixer": "10.4.21",
     "postcss": "8.5.6",
     "tailwindcss": "3",
     "typescript": "^5.3.0",
     "vite": "^5.0.0",
+    "vite-plugin-pwa": "^1.2.0",
     "vite-plugin-solid": "^2.10.0"
   }
 }

packages/ui/src/App.tsx

@@ -10,6 +10,7 @@ import InstanceShell from "./components/instance/instance-shell2"
 import { RemoteAccessOverlay } from "./components/remote-access-overlay"
 import { InstanceMetadataProvider } from "./lib/contexts/instance-metadata-context"
 import { initMarkdown } from "./lib/markdown"
+import { initGithubStars } from "./stores/github-stars"
 
 import { useTheme } from "./lib/theme"
 import { useCommands } from "./lib/hooks/use-commands"
@@ -17,6 +18,7 @@ import { useAppLifecycle } from "./lib/hooks/use-app-lifecycle"
 import { getLogger } from "./lib/logger"
 import { initReleaseNotifications } from "./stores/releases"
 import { runtimeEnv } from "./lib/runtime-env"
+import { useI18n } from "./lib/i18n"
 import {
   hasInstances,
   isSelectingFolder,
@@ -50,6 +52,7 @@ const log = getLogger("actions")
 
 const App: Component = () => {
   const { isDark } = useTheme()
+  const { t } = useI18n()
   const {
     preferences,
     recordWorkspaceLaunch,
@@ -94,6 +97,7 @@ const App: Component = () => {
   })
 
   onMount(() => {
+    void initGithubStars()
     updateInstanceTabBarHeight()
     const handleResize = () => updateInstanceTabBarHeight()
     window.addEventListener("resize", handleResize)
@@ -117,7 +121,7 @@ const App: Component = () => {
 
   const formatLaunchErrorMessage = (error: unknown): string => {
     if (!error) {
-      return "Failed to launch workspace"
+      return t("app.launchError.fallbackMessage")
     }
     const raw = typeof error === "string" ? error : error instanceof Error ? error.message : String(error)
     try {
@@ -200,12 +204,12 @@ const App: Component = () => {
 
   async function handleCloseInstance(instanceId: string) {
     const confirmed = await showConfirmDialog(
-      "Stop OpenCode instance? This will stop the server.",
+      t("app.stopInstance.confirmMessage"),
       {
-        title: "Stop instance",
+        title: t("app.stopInstance.title"),
         variant: "warning",
-        confirmLabel: "Stop",
-        cancelLabel: "Keep running",
+        confirmLabel: t("app.stopInstance.confirmLabel"),
+        cancelLabel: t("app.stopInstance.cancelLabel"),
       },
     )
 
@@ -328,21 +332,20 @@ const App: Component = () => {
           <div class="fixed inset-0 z-50 flex items-center justify-center p-4">
             <Dialog.Content class="modal-surface w-full max-w-md p-6 flex flex-col gap-6">
               <div>
-                <Dialog.Title class="text-xl font-semibold text-primary">Unable to launch OpenCode</Dialog.Title>
+                <Dialog.Title class="text-xl font-semibold text-primary">{t("app.launchError.title")}</Dialog.Title>
                 <Dialog.Description class="text-sm text-secondary mt-2 break-words">
-                  We couldn't start the selected OpenCode binary. Review the error output below or choose a different
-                  binary from Advanced Settings.
+                  {t("app.launchError.description")}
                 </Dialog.Description>
               </div>
 
               <div class="rounded-lg border border-base bg-surface-secondary p-4">
-                <p class="text-xs font-medium text-muted uppercase tracking-wide mb-1">Binary path</p>
+                <p class="text-xs font-medium text-muted uppercase tracking-wide mb-1">{t("app.launchError.binaryPathLabel")}</p>
                 <p class="text-sm font-mono text-primary break-all">{launchErrorPath()}</p>
               </div>
 
               <Show when={launchErrorMessage()}>
                 <div class="rounded-lg border border-base bg-surface-secondary p-4">
-                  <p class="text-xs font-medium text-muted uppercase tracking-wide mb-1">Error output</p>
+                  <p class="text-xs font-medium text-muted uppercase tracking-wide mb-1">{t("app.launchError.errorOutputLabel")}</p>
                   <pre class="text-sm font-mono text-primary whitespace-pre-wrap break-words max-h-48 overflow-y-auto">{launchErrorMessage()}</pre>
                 </div>
               </Show>
@@ -354,11 +357,11 @@ const App: Component = () => {
                     class="selector-button selector-button-secondary"
                     onClick={handleLaunchErrorAdvanced}
                   >
-                    Open Advanced Settings
+                    {t("app.launchError.openAdvancedSettings")}
                   </button>
                 </Show>
                 <button type="button" class="selector-button selector-button-primary" onClick={handleLaunchErrorClose}>
-                  Close
+                  {t("app.launchError.close")}
                 </button>
               </div>
             </Dialog.Content>
@@ -428,7 +431,7 @@ const App: Component = () => {
                   clearLaunchError()
                 }}
                 class="absolute top-4 right-4 z-10 p-2 bg-white dark:bg-gray-800 rounded-lg shadow-lg hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors"
-                title="Close (Esc)"
+                title={t("app.launchError.closeTitle")}
               >
                 <svg class="w-5 h-5 text-gray-600 dark:text-gray-300" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                   <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />

packages/ui/src/components/advanced-settings-modal.tsx

@@ -2,6 +2,7 @@ import { Component } from "solid-js"
 import { Dialog } from "@kobalte/core/dialog"
 import OpenCodeBinarySelector from "./opencode-binary-selector"
 import EnvironmentVariablesEditor from "./environment-variables-editor"
+import { useI18n } from "../lib/i18n"
 
 interface AdvancedSettingsModalProps {
   open: boolean
@@ -12,6 +13,8 @@ interface AdvancedSettingsModalProps {
 }
 
 const AdvancedSettingsModal: Component<AdvancedSettingsModalProps> = (props) => {
+  const { t } = useI18n()
+
   return (
     <Dialog open={props.open} onOpenChange={(open) => !open && props.onClose()}>
       <Dialog.Portal>
@@ -19,7 +22,7 @@ const AdvancedSettingsModal: Component<AdvancedSettingsModalProps> = (props) =>
         <div class="fixed inset-0 z-50 flex items-center justify-center p-4">
           <Dialog.Content class="modal-surface w-full max-w-5xl max-h-[90vh] flex flex-col overflow-hidden">
             <header class="px-6 py-4 border-b" style={{ "border-color": "var(--border-base)" }}>
-              <Dialog.Title class="text-xl font-semibold text-primary">Advanced Settings</Dialog.Title>
+              <Dialog.Title class="text-xl font-semibold text-primary">{t("advancedSettings.title")}</Dialog.Title>
             </header>
 
             <div class="flex-1 overflow-y-auto p-6 space-y-6">
@@ -32,8 +35,8 @@ const AdvancedSettingsModal: Component<AdvancedSettingsModalProps> = (props) =>
 
               <div class="panel">
                 <div class="panel-header">
-                  <h3 class="panel-title">Environment Variables</h3>
-                  <p class="panel-subtitle">Applied whenever a new OpenCode instance starts</p>
+                  <h3 class="panel-title">{t("advancedSettings.environmentVariables.title")}</h3>
+                  <p class="panel-subtitle">{t("advancedSettings.environmentVariables.subtitle")}</p>
                 </div>
                 <div class="panel-body">
                   <EnvironmentVariablesEditor disabled={Boolean(props.isLoading)} />
@@ -47,7 +50,7 @@ const AdvancedSettingsModal: Component<AdvancedSettingsModalProps> = (props) =>
                 class="selector-button selector-button-secondary"
                 onClick={props.onClose}
               >
-                Close
+                {t("advancedSettings.actions.close")}
               </button>
             </div>
           </Dialog.Content>

packages/ui/src/components/agent-selector.tsx

@@ -3,6 +3,7 @@ import { For, Show, createEffect, createMemo } from "solid-js"
 import { agents, fetchAgents, sessions } from "../stores/sessions"
 import { ChevronDown } from "lucide-solid"
 import type { Agent } from "../types/session"
+import { useI18n } from "../lib/i18n"
 import { getLogger } from "../lib/logger"
 const log = getLogger("session")
 
@@ -15,6 +16,7 @@ interface AgentSelectorProps {
 }
 
 export default function AgentSelector(props: AgentSelectorProps) {
+  const { t } = useI18n()
   const instanceAgents = () => agents().get(props.instanceId) || []
 
   const session = createMemo(() => {
@@ -71,7 +73,7 @@ export default function AgentSelector(props: AgentSelectorProps) {
         options={availableAgents()}
         optionValue="name"
         optionTextValue="name"
-        placeholder="Select agent..."
+        placeholder={t("agentSelector.placeholder")}
         itemComponent={(itemProps) => (
           <Select.Item
             item={itemProps.item}
@@ -81,7 +83,7 @@ export default function AgentSelector(props: AgentSelectorProps) {
               <Select.ItemLabel class="selector-option-label flex items-center gap-2">
                 <span>{itemProps.item.rawValue.name}</span>
                 <Show when={itemProps.item.rawValue.mode === "subagent"}>
-                  <span class="neutral-badge">subagent</span>
+                  <span class="neutral-badge">{t("agentSelector.badge.subagent")}</span>
                 </Show>
               </Select.ItemLabel>
               <Show when={itemProps.item.rawValue.description}>
@@ -99,15 +101,17 @@ export default function AgentSelector(props: AgentSelectorProps) {
           data-agent-selector
           class="selector-trigger"
         >
-          <Select.Value<Agent>>
-            {(state) => (
-              <div class="selector-trigger-label">
-                <span class="selector-trigger-primary">
-                  Agent: {state.selectedOption()?.name ?? "None"}
-                </span>
-              </div>
-            )}
-          </Select.Value>
+          <div class="flex-1 min-w-0">
+            <Select.Value<Agent>>
+              {(state) => (
+                <div class="selector-trigger-label selector-trigger-label--stacked">
+                  <span class="selector-trigger-primary selector-trigger-primary--align-left">
+                    {t("agentSelector.trigger.primary", { agent: state.selectedOption()?.name ?? t("agentSelector.none") })}
+                  </span>
+                </div>
+              )}
+            </Select.Value>
+          </div>
           <Select.Icon class="selector-trigger-icon">
             <ChevronDown class="w-3 h-3" />
           </Select.Icon>

packages/ui/src/components/alert-dialog.tsx

@@ -2,28 +2,26 @@ import { Dialog } from "@kobalte/core/dialog"
 import { Component, Show, createEffect, createSignal } from "solid-js"
 import { alertDialogState, dismissAlertDialog } from "../stores/alerts"
 import type { AlertVariant, AlertDialogState } from "../stores/alerts"
+import { useI18n } from "../lib/i18n"
 
-const variantAccent: Record<AlertVariant, { badgeBg: string; badgeBorder: string; badgeText: string; symbol: string; fallbackTitle: string }> = {
+const variantAccent: Record<AlertVariant, { badgeBg: string; badgeBorder: string; badgeText: string; symbol: string }> = {
   info: {
     badgeBg: "var(--badge-neutral-bg)",
     badgeBorder: "var(--border-base)",
     badgeText: "var(--accent-primary)",
     symbol: "i",
-    fallbackTitle: "Heads up",
   },
   warning: {
     badgeBg: "rgba(255, 152, 0, 0.14)",
     badgeBorder: "var(--status-warning)",
     badgeText: "var(--status-warning)",
     symbol: "!",
-    fallbackTitle: "Please review",
   },
   error: {
     badgeBg: "var(--danger-soft-bg)",
     badgeBorder: "var(--status-error)",
     badgeText: "var(--status-error)",
     symbol: "!",
-    fallbackTitle: "Something went wrong",
   },
 }
 
@@ -60,14 +58,22 @@ function dismiss(confirmed: boolean, payload?: AlertDialogState | null, promptVa
 }
 
 const AlertDialog: Component = () => {
+  const { t } = useI18n()
   let primaryButtonRef: HTMLButtonElement | undefined
+  let promptInputRef: HTMLInputElement | undefined
 
   createEffect(() => {
-    if (alertDialogState()) {
-      queueMicrotask(() => {
-        primaryButtonRef?.focus()
-      })
-    }
+    const state = alertDialogState()
+    if (!state) return
+
+    queueMicrotask(() => {
+      if (state.type === "prompt") {
+        promptInputRef?.focus()
+        promptInputRef?.select()
+        return
+      }
+      primaryButtonRef?.focus()
+    })
   })
 
   return (
@@ -75,11 +81,25 @@ const AlertDialog: Component = () => {
       {(payload) => {
         const variant = payload.variant ?? "info"
         const accent = variantAccent[variant]
-        const title = payload.title || accent.fallbackTitle
+
+        const fallbackTitle =
+          variant === "warning"
+            ? t("alertDialog.fallbackTitle.warning")
+            : variant === "error"
+              ? t("alertDialog.fallbackTitle.error")
+              : t("alertDialog.fallbackTitle.info")
+
+        const title = payload.title || fallbackTitle
         const isConfirm = payload.type === "confirm"
         const isPrompt = payload.type === "prompt"
-        const confirmLabel = payload.confirmLabel || (isConfirm ? "Confirm" : isPrompt ? "Run" : "OK")
-        const cancelLabel = payload.cancelLabel || "Cancel"
+        const confirmLabel =
+          payload.confirmLabel ||
+          (isConfirm
+            ? t("alertDialog.actions.confirm")
+            : isPrompt
+              ? t("alertDialog.actions.run")
+              : t("alertDialog.actions.ok"))
+        const cancelLabel = payload.cancelLabel || t("alertDialog.actions.cancel")
 
         const [inputValue, setInputValue] = createSignal(payload.inputDefaultValue ?? "")
 
@@ -118,25 +138,31 @@ const AlertDialog: Component = () => {
                     </div>
                   </div>
 
-                   <Show when={isPrompt}>
-                     <div class="mt-4">
-                       <label class="text-xs font-medium text-muted uppercase tracking-wide">
-                         {payload.inputLabel || "Arguments"}
-                       </label>
-                       <input
-                         class="modal-search-input mt-2"
-                         value={inputValue()}
-                         placeholder={payload.inputPlaceholder || ""}
-                         onInput={(e) => setInputValue(e.currentTarget.value)}
-                         onKeyDown={(e) => {
-                           if (e.key === "Enter") {
-                             e.preventDefault()
-                             dismiss(true, payload, inputValue())
-                           }
-                         }}
-                       />
-                     </div>
-                   </Show>
+                    <Show when={isPrompt}>
+                      <div class="mt-4">
+                        <label class="text-sm font-medium text-secondary">
+                          {payload.inputLabel || t("alertDialog.prompt.inputLabel")}
+                        </label>
+                        <input
+                          ref={(el) => {
+                            promptInputRef = el
+                          }}
+                          class="form-input mt-2"
+                          value={inputValue()}
+                          placeholder={payload.inputPlaceholder || ""}
+                          autocapitalize="off"
+                          autocorrect="off"
+                          spellcheck={false}
+                          onInput={(e) => setInputValue(e.currentTarget.value)}
+                          onKeyDown={(e) => {
+                            if (e.key === "Enter") {
+                              e.preventDefault()
+                              dismiss(true, payload, inputValue())
+                            }
+                          }}
+                        />
+                      </div>
+                    </Show>
 
                    <div class="mt-6 flex justify-end gap-3">
                      {(isConfirm || isPrompt) && (

packages/ui/src/components/attachment-chip.tsx

@@ -1,5 +1,6 @@
 import { Component } from "solid-js"
 import type { Attachment } from "../types/attachment"
+import { useI18n } from "../lib/i18n"
 
 interface AttachmentChipProps {
   attachment: Attachment
@@ -7,6 +8,7 @@ interface AttachmentChipProps {
 }
 
 const AttachmentChip: Component<AttachmentChipProps> = (props) => {
+  const { t } = useI18n()
   return (
     <div
       class="attachment-chip"
@@ -16,7 +18,7 @@ const AttachmentChip: Component<AttachmentChipProps> = (props) => {
       <button
         onClick={props.onRemove}
         class="attachment-remove"
-        aria-label="Remove attachment"
+        aria-label={t("attachmentChip.removeAriaLabel")}
       >
         ×
       </button>

packages/ui/src/components/background-process-output-dialog.tsx

@@ -3,6 +3,7 @@ import { Show, createEffect, createSignal, onCleanup } from "solid-js"
 import type { BackgroundProcess } from "../../../server/src/api-types"
 import { buildBackgroundProcessStreamUrl, serverApi } from "../lib/api-client"
 import { createAnsiStreamRenderer, hasAnsi } from "../lib/ansi"
+import { useI18n } from "../lib/i18n"
 
 interface BackgroundProcessOutputDialogProps {
   open: boolean
@@ -12,6 +13,7 @@ interface BackgroundProcessOutputDialogProps {
 }
 
 export function BackgroundProcessOutputDialog(props: BackgroundProcessOutputDialogProps) {
+  const { t } = useI18n()
   const [output, setOutput] = createSignal("")
   const [outputHtml, setOutputHtml] = createSignal("")
   const [ansiEnabled, setAnsiEnabled] = createSignal(false)
@@ -67,7 +69,7 @@ export function BackgroundProcessOutputDialog(props: BackgroundProcessOutputDial
       })
       .catch(() => {
         if (!active) return
-        setRawOutput("Failed to load output.")
+        setRawOutput(t("backgroundProcessOutputDialog.loadErrorFallback"))
         setAnsiEnabled(false)
         setOutputHtml("")
       })
@@ -121,7 +123,7 @@ export function BackgroundProcessOutputDialog(props: BackgroundProcessOutputDial
           <Dialog.Content class="modal-surface w-full max-w-5xl max-h-[90vh] flex flex-col overflow-hidden">
             <div class="flex items-start justify-between px-6 py-4 border-b border-base gap-4">
               <div class="flex-1 min-w-0">
-                <Dialog.Title class="text-lg font-semibold text-primary">Background Output</Dialog.Title>
+                <Dialog.Title class="text-lg font-semibold text-primary">{t("backgroundProcessOutputDialog.title")}</Dialog.Title>
                 <Show when={props.process}>
                   <span class="text-xs text-secondary block">
                     {props.process?.title} · {props.process?.id}
@@ -133,16 +135,16 @@ export function BackgroundProcessOutputDialog(props: BackgroundProcessOutputDial
               </div>
 
               <button type="button" class="button-tertiary flex-shrink-0" onClick={props.onClose}>
-                Close
+                {t("backgroundProcessOutputDialog.actions.close")}
               </button>
             </div>
             <div class="flex-1 overflow-auto p-6">
               <Show when={loading()}>
-                <p class="text-xs text-secondary">Loading output...</p>
+                <p class="text-xs text-secondary">{t("backgroundProcessOutputDialog.loading")}</p>
               </Show>
               <Show when={!loading()}>
                 <Show when={truncated()}>
-                  <p class="text-xs text-secondary mb-2">Output truncated for display.</p>
+                  <p class="text-xs text-secondary mb-2">{t("backgroundProcessOutputDialog.truncatedNotice")}</p>
                 </Show>
                 <Show
                   when={ansiEnabled()}

packages/ui/src/components/brand-icons.tsx

@@ -0,0 +1,38 @@
+import type { Component } from "solid-js"
+
+type BrandIconProps = {
+  class?: string
+  title?: string
+}
+
+export const GitHubMarkIcon: Component<BrandIconProps> = (props) => (
+  <svg
+    viewBox="0 0 98 96"
+    xmlns="http://www.w3.org/2000/svg"
+    aria-hidden={props.title ? undefined : "true"}
+    role={props.title ? "img" : "presentation"}
+    class={props.class}
+  >
+    {props.title ? <title>{props.title}</title> : null}
+    <path
+      fill="currentColor"
+      d="M41.4395 69.3848C28.8066 67.8535 19.9062 58.7617 19.9062 46.9902C19.9062 42.2051 21.6289 37.0371 24.5 33.5918C23.2559 30.4336 23.4473 23.7344 24.8828 20.959C28.7109 20.4805 33.8789 22.4902 36.9414 25.2656C40.5781 24.1172 44.4062 23.543 49.0957 23.543C53.7852 23.543 57.6133 24.1172 61.0586 25.1699C64.0254 22.4902 69.2891 20.4805 73.1172 20.959C74.457 23.543 74.6484 30.2422 73.4043 33.4961C76.4668 37.1328 78.0937 42.0137 78.0937 46.9902C78.0937 58.7617 69.1934 67.6621 56.3691 69.2891C59.623 71.3945 61.8242 75.9883 61.8242 81.252L61.8242 91.2051C61.8242 94.0762 64.2168 95.7031 67.0879 94.5547C84.4102 87.9512 98 70.6289 98 49.1914C98 22.1074 75.9883 0 48.9043 0C21.8203 0 0 22.1074 0 49.1914C0 70.4375 13.4941 88.0469 31.6777 94.6504C34.2617 95.6074 36.75 93.8848 36.75 91.3008L36.75 83.6445C35.4102 84.2188 33.6875 84.6016 32.1562 84.6016C25.8398 84.6016 22.1074 81.1563 19.4277 74.7441C18.375 72.1602 17.2266 70.6289 15.0254 70.3418C13.877 70.2461 13.4941 69.7676 13.4941 69.1934C13.4941 68.0449 15.4082 67.1836 17.3223 67.1836C20.0977 67.1836 22.4902 68.9063 24.9785 72.4473C26.8926 75.2227 28.9023 76.4668 31.2949 76.4668C33.6875 76.4668 35.2187 75.6055 37.4199 73.4043C39.0469 71.7773 40.291 70.3418 41.4395 69.3848Z"
+    />
+  </svg>
+)
+
+export const DiscordSymbolIcon: Component<BrandIconProps> = (props) => (
+  <svg
+    viewBox="0 0 64 48"
+    xmlns="http://www.w3.org/2000/svg"
+    aria-hidden={props.title ? undefined : "true"}
+    role={props.title ? "img" : "presentation"}
+    class={props.class}
+  >
+    {props.title ? <title>{props.title}</title> : null}
+    <path
+      fill="currentColor"
+      d="M40.575 0C39.9562 1.09866 39.4006 2.2352 38.8954 3.397C34.0967 2.67719 29.2096 2.67719 24.3982 3.397C23.9057 2.2352 23.3374 1.09866 22.7186 0C18.2104 0.770324 13.8157 2.12155 9.64839 4.02841C1.38951 16.2652 -0.845688 28.1863 0.265599 39.9432C5.10222 43.517 10.5197 46.2447 16.2909 47.9874C17.5916 46.2447 18.7407 44.3883 19.7257 42.4562C17.8568 41.7616 16.0509 40.8903 14.3208 39.88C14.7755 39.5517 15.2175 39.2107 15.6468 38.8824C25.7873 43.6559 37.5316 43.6559 47.6847 38.8824C48.1141 39.236 48.5561 39.577 49.0107 39.88C47.2806 40.9029 45.4748 41.7616 43.5931 42.4688C44.5781 44.4009 45.7273 46.2573 47.028 48C52.7991 46.2573 58.2167 43.5422 63.0533 39.9684C64.3666 26.3299 60.8055 14.5099 53.6452 4.04104C49.4905 2.13418 45.0959 0.782952 40.5876 0.0252565L40.575 0ZM21.1401 32.7072C18.0209 32.7072 15.4321 29.8785 15.4321 26.3804C15.4321 22.8824 17.9199 20.041 21.1275 20.041C24.3351 20.041 26.886 22.895 26.8354 26.3804C26.7849 29.8658 24.3224 32.7072 21.1401 32.7072ZM42.1788 32.7072C39.047 32.7072 36.4834 29.8785 36.4834 26.3804C36.4834 22.8824 38.9712 20.041 42.1788 20.041C45.3864 20.041 47.9246 22.895 47.8741 26.3804C47.8236 29.8658 45.3611 32.7072 42.1788 32.7072Z"
+    />
+  </svg>
+)

packages/ui/src/components/code-block-inline.tsx

@@ -3,6 +3,7 @@ import type { Highlighter } from "shiki/bundle/full"
 import { useTheme } from "../lib/theme"
 import { getSharedHighlighter, escapeHtml } from "../lib/markdown"
 import { copyToClipboard } from "../lib/clipboard"
+import { useI18n } from "../lib/i18n"
 
 const inlineLoadedLanguages = new Set<string>()
 
@@ -15,6 +16,7 @@ interface CodeBlockInlineProps {
 }
 
 export function CodeBlockInline(props: CodeBlockInlineProps) {
+  const { t } = useI18n()
   const { isDark } = useTheme()
   const [html, setHtml] = createSignal("")
   const [copied, setCopied] = createSignal(false)
@@ -53,7 +55,7 @@ export function CodeBlockInline(props: CodeBlockInlineProps) {
 
       const highlighted = highlighter.codeToHtml(props.code, {
         lang: props.language as CodeToHtmlOptions["lang"],
-        theme: isDark() ? "github-dark" : "github-light",
+        theme: isDark() ? "github-dark" : "github-light-high-contrast",
       })
       setHtml(highlighted)
     } catch {
@@ -97,8 +99,8 @@ export function CodeBlockInline(props: CodeBlockInlineProps) {
               <path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path>
             </svg>
             <span class="copy-text">
-              <Show when={copied()} fallback="Copy">
-                Copied!
+              <Show when={copied()} fallback={t("codeBlockInline.actions.copy")}>
+                {t("codeBlockInline.actions.copied")}
               </Show>
             </span>
           </button>

packages/ui/src/components/command-palette.tsx

@@ -1,7 +1,8 @@
 import { Component, createSignal, For, Show, createEffect, createMemo } from "solid-js"
 import { Dialog } from "@kobalte/core/dialog"
-import type { Command } from "../lib/commands"
+import { resolveResolvable, type Command } from "../lib/commands"
 import Kbd from "./kbd"
+import { useI18n } from "../lib/i18n"
 
 interface CommandPaletteProps {
   open: boolean
@@ -24,6 +25,7 @@ function buildShortcutString(shortcut: Command["shortcut"]): string {
 }
 
 const CommandPalette: Component<CommandPaletteProps> = (props) => {
+  const { t } = useI18n()
   const [query, setQuery] = createSignal("")
   const [selectedCommandId, setSelectedCommandId] = createSignal<string | null>(null)
   const [isPointerSelecting, setIsPointerSelecting] = createSignal(false)
@@ -32,6 +34,27 @@ const CommandPalette: Component<CommandPaletteProps> = (props) => {
 
   const categoryOrder = ["Custom Commands", "Instance", "Session", "Agent & Model", "Input & Focus", "System", "Other"] as const
 
+  const categoryLabel = (category: string) => {
+    switch (category) {
+      case "Custom Commands":
+        return t("commandPalette.category.customCommands")
+      case "Instance":
+        return t("commandPalette.category.instance")
+      case "Session":
+        return t("commandPalette.category.session")
+      case "Agent & Model":
+        return t("commandPalette.category.agentModel")
+      case "Input & Focus":
+        return t("commandPalette.category.inputFocus")
+      case "System":
+        return t("commandPalette.category.system")
+      case "Other":
+        return t("commandPalette.category.other")
+      default:
+        return category
+    }
+  }
+
   type CommandGroup = { category: string; commands: Command[]; startIndex: number }
   type ProcessedCommands = { groups: CommandGroup[]; ordered: Command[] }
 
@@ -41,18 +64,21 @@ const CommandPalette: Component<CommandPaletteProps> = (props) => {
 
     const filtered = q
       ? source.filter((cmd) => {
-          const label = typeof cmd.label === "function" ? cmd.label() : cmd.label
+          const label = resolveResolvable(cmd.label)
+          const description = resolveResolvable(cmd.description)
+          const keywords = cmd.keywords ? resolveResolvable(cmd.keywords) : undefined
+          const category = cmd.category ? resolveResolvable(cmd.category) : undefined
           const labelMatch = label.toLowerCase().includes(q)
-          const descMatch = cmd.description.toLowerCase().includes(q)
-          const keywordMatch = cmd.keywords?.some((k) => k.toLowerCase().includes(q))
-          const categoryMatch = cmd.category?.toLowerCase().includes(q)
+          const descMatch = description.toLowerCase().includes(q)
+          const keywordMatch = keywords?.some((k) => k.toLowerCase().includes(q))
+          const categoryMatch = category?.toLowerCase().includes(q)
           return labelMatch || descMatch || keywordMatch || categoryMatch
         })
       : source
 
     const groupsMap = new Map<string, Command[]>()
     for (const cmd of filtered) {
-      const category = cmd.category || "Other"
+      const category = (cmd.category ? resolveResolvable(cmd.category) : undefined) || "Other"
       const list = groupsMap.get(category)
       if (list) {
         list.push(cmd)
@@ -189,12 +215,12 @@ const CommandPalette: Component<CommandPaletteProps> = (props) => {
       <Dialog.Portal>
         <Dialog.Overlay class="modal-overlay" />
         <div class="fixed inset-0 z-50 flex items-start justify-center pt-[20vh]">
-          <Dialog.Content
-            class="modal-surface w-full max-w-2xl max-h-[60vh]"
-            onKeyDown={handleKeyDown}
-          >
-            <Dialog.Title class="sr-only">Command Palette</Dialog.Title>
-            <Dialog.Description class="sr-only">Search and execute commands</Dialog.Description>
+            <Dialog.Content
+              class="modal-surface w-full max-w-2xl max-h-[60vh]"
+              onKeyDown={handleKeyDown}
+            >
+              <Dialog.Title class="sr-only">{t("commandPalette.title")}</Dialog.Title>
+              <Dialog.Description class="sr-only">{t("commandPalette.description")}</Dialog.Description>
 
             <div class="modal-search-container">
               <div class="flex items-center gap-3">
@@ -214,7 +240,7 @@ const CommandPalette: Component<CommandPaletteProps> = (props) => {
                     setQuery(e.currentTarget.value)
                     setSelectedCommandId(null)
                   }}
-                  placeholder="Type a command or search..."
+                  placeholder={t("commandPalette.searchPlaceholder")}
                   class="modal-search-input"
                 />
               </div>
@@ -228,13 +254,13 @@ const CommandPalette: Component<CommandPaletteProps> = (props) => {
             >
               <Show
                 when={orderedCommands().length > 0}
-                fallback={<div class="modal-empty-state">No commands found for "{query()}"</div>}
+                fallback={<div class="modal-empty-state">{t("commandPalette.empty", { query: query() })}</div>}
               >
                 <For each={groupedCommandList()}>
                   {(group) => (
                     <div class="py-2">
                       <div class="modal-section-header">
-                        {group.category}
+                        {categoryLabel(group.category)}
                       </div>
                       <For each={group.commands}>
                         {(command, localIndex) => {
@@ -257,10 +283,10 @@ const CommandPalette: Component<CommandPaletteProps> = (props) => {
                             >
                               <div class="flex-1 min-w-0">
                                 <div class="modal-item-label">
-                                  {typeof command.label === "function" ? command.label() : command.label}
+                                  {resolveResolvable(command.label)}
                                 </div>
                                 <div class="modal-item-description">
-                                  {command.description}
+                                  {resolveResolvable(command.description)}
                                 </div>
                               </div>
                               <Show when={command.shortcut}>

packages/ui/src/components/directory-browser-dialog.tsx

@@ -1,8 +1,10 @@
 import { Component, Show, For, createSignal, createMemo, createEffect, onCleanup } from "solid-js"
-import { ArrowUpLeft, Folder as FolderIcon, Loader2, X } from "lucide-solid"
+import { ArrowUpLeft, Folder as FolderIcon, FolderPlus, Loader2, X } from "lucide-solid"
 import type { FileSystemEntry, FileSystemListingMetadata } from "../../../server/src/api-types"
 import { WINDOWS_DRIVES_ROOT } from "../../../server/src/api-types"
 import { serverApi } from "../lib/api-client"
+import { showAlertDialog, showPromptDialog } from "../stores/alerts"
+import { useI18n } from "../lib/i18n"
 
 function normalizePathKey(input?: string | null) {
   if (!input || input === "." || input === "./") {
@@ -61,9 +63,11 @@ type FolderRow =
   | { type: "folder"; entry: FileSystemEntry }
 
 const DirectoryBrowserDialog: Component<DirectoryBrowserDialogProps> = (props) => {
+  const { t } = useI18n()
   const [rootPath, setRootPath] = createSignal("")
   const [loading, setLoading] = createSignal(false)
   const [error, setError] = createSignal<string | null>(null)
+  const [creatingFolder, setCreatingFolder] = createSignal(false)
   const [directoryChildren, setDirectoryChildren] = createSignal<Map<string, FileSystemEntry[]>>(new Map())
   const [loadingPaths, setLoadingPaths] = createSignal<Set<string>>(new Set())
   const [currentPathKey, setCurrentPathKey] = createSignal<string | null>(null)
@@ -108,7 +112,7 @@ const DirectoryBrowserDialog: Component<DirectoryBrowserDialogProps> = (props) =
       const metadata = await loadDirectory()
       applyMetadata(metadata)
     } catch (err) {
-      const message = err instanceof Error ? err.message : "Unable to load filesystem"
+      const message = err instanceof Error ? err.message : t("directoryBrowser.load.errorFallback")
       setError(message)
     } finally {
       setLoading(false)
@@ -198,7 +202,7 @@ const DirectoryBrowserDialog: Component<DirectoryBrowserDialogProps> = (props) =
       const metadata = await loadDirectory(path)
       applyMetadata(metadata)
     } catch (err) {
-      const message = err instanceof Error ? err.message : "Unable to load filesystem"
+      const message = err instanceof Error ? err.message : t("directoryBrowser.load.errorFallback")
       setError(message)
     }
   }
@@ -256,6 +260,52 @@ const DirectoryBrowserDialog: Component<DirectoryBrowserDialogProps> = (props) =
     props.onSelect(absolutePath)
   }
 
+  async function handleCreateFolder() {
+    if (creatingFolder()) return
+    const metadata = currentMetadata()
+    if (!metadata || metadata.pathKind === "drives") {
+      return
+    }
+
+    const name =
+      (await showPromptDialog(t("directoryBrowser.createFolder.promptMessage"), {
+        title: t("directoryBrowser.createFolder.title"),
+        inputLabel: t("directoryBrowser.createFolder.inputLabel"),
+        inputPlaceholder: t("directoryBrowser.createFolder.inputPlaceholder"),
+        confirmLabel: t("directoryBrowser.createFolder.confirmLabel"),
+        cancelLabel: t("directoryBrowser.createFolder.cancelLabel"),
+      }))?.trim() ?? ""
+    if (!name) return
+
+    if (name === "." || name === ".." || name.startsWith("~") || name.includes("/") || name.includes("\\")) {
+      showAlertDialog(t("directoryBrowser.createFolder.invalidNameMessage"), {
+        variant: "warning",
+        detail: t("directoryBrowser.createFolder.invalidNameDetail"),
+      })
+      return
+    }
+
+    setCreatingFolder(true)
+    try {
+      const parentKey = normalizePathKey(metadata.currentPath)
+      metadataCache.delete(parentKey)
+      inFlightRequests.delete(parentKey)
+      setDirectoryChildren((prev) => {
+        const next = new Map(prev)
+        next.delete(parentKey)
+        return next
+      })
+
+      const created = await serverApi.createFileSystemFolder(metadata.currentPath, name)
+      await navigateTo(created.path)
+    } catch (err) {
+      const message = err instanceof Error ? err.message : t("directoryBrowser.createFolder.errorFallback")
+      showAlertDialog(message, { variant: "error", title: t("directoryBrowser.createFolder.errorFallback") })
+    } finally {
+      setCreatingFolder(false)
+    }
+  }
+
   function isPathLoading(path: string) {
     return loadingPaths().has(normalizePathKey(path))
   }
@@ -275,10 +325,10 @@ const DirectoryBrowserDialog: Component<DirectoryBrowserDialogProps> = (props) =
               <div class="directory-browser-heading">
                 <h3 class="directory-browser-title">{props.title}</h3>
                 <p class="directory-browser-description">
-                  {props.description || "Browse folders under the configured workspace root."}
+                  {props.description || t("directoryBrowser.defaultDescription")}
                 </p>
               </div>
-              <button type="button" class="directory-browser-close" aria-label="Close" onClick={props.onClose}>
+              <button type="button" class="directory-browser-close" aria-label={t("directoryBrowser.close")} onClick={props.onClose}>
                 <X class="w-5 h-5" />
               </button>
             </div>
@@ -287,22 +337,35 @@ const DirectoryBrowserDialog: Component<DirectoryBrowserDialogProps> = (props) =
               <Show when={rootPath()}>
                 <div class="directory-browser-current">
                   <div class="directory-browser-current-meta">
-                    <span class="directory-browser-current-label">Current folder</span>
+                    <span class="directory-browser-current-label">{t("directoryBrowser.currentFolder")}</span>
                     <span class="directory-browser-current-path">{currentAbsolutePath()}</span>
                   </div>
-                  <button
-                    type="button"
-                    class="selector-button selector-button-secondary directory-browser-select directory-browser-current-select"
-                    disabled={!canSelectCurrent()}
-                    onClick={() => {
-                      const absolute = currentAbsolutePath()
-                      if (absolute) {
-                        props.onSelect(absolute)
-                      }
-                    }}
-                  >
-                    Select Current
-                  </button>
+                  <div class="directory-browser-current-actions">
+                    <button
+                      type="button"
+                      class="selector-button selector-button-secondary directory-browser-select directory-browser-current-select"
+                      disabled={!canSelectCurrent() || creatingFolder()}
+                      onClick={() => {
+                        const absolute = currentAbsolutePath()
+                        if (absolute) {
+                          props.onSelect(absolute)
+                        }
+                      }}
+                    >
+                      {t("directoryBrowser.selectCurrent")}
+                    </button>
+                    <button
+                      type="button"
+                      class="selector-button selector-button-secondary directory-browser-select"
+                      disabled={!canSelectCurrent() || creatingFolder()}
+                      onClick={() => void handleCreateFolder()}
+                    >
+                      <span class="inline-flex items-center gap-2">
+                        <FolderPlus class="w-4 h-4" />
+                        {creatingFolder() ? t("directoryBrowser.creating") : t("directoryBrowser.newFolder")}
+                      </span>
+                    </button>
+                  </div>
                 </div>
               </Show>
               <Show
@@ -312,7 +375,7 @@ const DirectoryBrowserDialog: Component<DirectoryBrowserDialogProps> = (props) =
                     <Show when={loading()} fallback={<span class="text-red-500">{error()}</span>}>
                       <div class="directory-browser-loading">
                         <Loader2 class="w-5 h-5 animate-spin" />
-                        <span>Loading folders…</span>
+                        <span>{t("directoryBrowser.loadingFolders")}</span>
                       </div>
                     </Show>
                   </div>
@@ -320,13 +383,13 @@ const DirectoryBrowserDialog: Component<DirectoryBrowserDialogProps> = (props) =
               >
                 <Show
                   when={folderRows().length > 0}
-                  fallback={<div class="panel-empty-state flex-1">No folders available.</div>}
+                  fallback={<div class="panel-empty-state flex-1">{t("directoryBrowser.noFolders")}</div>}
                 >
                   <div class="panel-list panel-list--fill flex-1 min-h-0 overflow-auto directory-browser-list" role="listbox">
                     <For each={folderRows()}>
                       {(item) => {
                         const isFolder = item.type === "folder"
-                        const label = isFolder ? item.entry.name || item.entry.path : "Up one level"
+                        const label = isFolder ? item.entry.name || item.entry.path : t("directoryBrowser.upOneLevel")
                         const navigate = () => (isFolder ? handleNavigateTo(item.entry.path) : handleNavigateUp())
                         return (
                           <div class="panel-list-item" role="option">
@@ -353,7 +416,7 @@ const DirectoryBrowserDialog: Component<DirectoryBrowserDialogProps> = (props) =
                                     handleEntrySelect(item.entry)
                                   }}
                                 >
-                                  Select
+                                  {t("directoryBrowser.select")}
                                 </button>
                               ) : null}
                             </div>

packages/ui/src/components/empty-state.tsx

@@ -1,5 +1,6 @@
 import { Component } from "solid-js"
 import { Loader2 } from "lucide-solid"
+import { useI18n } from "../lib/i18n"
 
 const codeNomadIcon = new URL("../images/CodeNomad-Icon.png", import.meta.url).href
 
@@ -9,15 +10,19 @@ interface EmptyStateProps {
 }
 
 const EmptyState: Component<EmptyStateProps> = (props) => {
+  const { t } = useI18n()
+  const modifier = typeof navigator !== "undefined" && navigator.platform.includes("Mac") ? "Cmd" : "Ctrl"
+  const shortcut = `${modifier}+N`
+
   return (
     <div class="flex h-full w-full items-center justify-center bg-surface-secondary">
       <div class="max-w-[500px] px-8 py-12 text-center">
         <div class="mb-8 flex justify-center">
-          <img src={codeNomadIcon} alt="CodeNomad logo" class="h-24 w-auto" loading="lazy" />
+          <img src={codeNomadIcon} alt={t("emptyState.logoAlt")} class="h-24 w-auto" loading="lazy" />
         </div>
 
-        <h1 class="mb-3 text-3xl font-semibold text-primary">CodeNomad</h1>
-        <p class="mb-8 text-base text-secondary">Select a folder to start coding with AI</p>
+        <h1 class="mb-3 text-3xl font-semibold text-primary">{t("emptyState.brandTitle")}</h1>
+        <p class="mb-8 text-base text-secondary">{t("emptyState.tagline")}</p>
 
 
         <button
@@ -28,20 +33,20 @@ const EmptyState: Component<EmptyStateProps> = (props) => {
           {props.isLoading ? (
             <>
               <Loader2 class="h-4 w-4 animate-spin" />
-              Selecting...
+              {t("emptyState.actions.selecting")}
             </>
           ) : (
-            "Select Folder"
+            t("emptyState.actions.selectFolder")
           )}
         </button>
 
         <p class="text-sm text-muted">
-          Keyboard shortcut: {navigator.platform.includes("Mac") ? "Cmd" : "Ctrl"}+N
+          {t("emptyState.keyboardShortcut", { shortcut })}
         </p>
 
         <div class="mt-6 space-y-1 text-sm text-muted">
-          <p>Examples: ~/projects/my-app</p>
-          <p>You can have multiple instances of the same folder</p>
+          <p>{t("emptyState.examples", { example: "~/projects/my-app" })}</p>
+          <p>{t("emptyState.multipleInstances")}</p>
         </div>
       </div>
     </div>

packages/ui/src/components/environment-variables-editor.tsx

@@ -1,12 +1,14 @@
 import { Component, createSignal, For, Show } from "solid-js"
 import { Plus, Trash2, Key, Globe } from "lucide-solid"
 import { useConfig } from "../stores/preferences"
+import { useI18n } from "../lib/i18n"
 
 interface EnvironmentVariablesEditorProps {
   disabled?: boolean
 }
 
 const EnvironmentVariablesEditor: Component<EnvironmentVariablesEditorProps> = (props) => {
+  const { t } = useI18n()
   const {
     preferences,
     addEnvironmentVariable,
@@ -54,9 +56,11 @@ const EnvironmentVariablesEditor: Component<EnvironmentVariablesEditorProps> = (
     <div class="space-y-3">
       <div class="flex items-center gap-2 mb-3">
         <Globe class="w-4 h-4 icon-muted" />
-        <span class="text-sm font-medium text-secondary">Environment Variables</span>
+        <span class="text-sm font-medium text-secondary">{t("envEditor.title")}</span>
         <span class="text-xs text-muted">
-          ({entries().length} variable{entries().length !== 1 ? "s" : ""})
+          {entries().length === 1
+            ? t("envEditor.count.one", { count: entries().length })
+            : t("envEditor.count.other", { count: entries().length })}
         </span>
       </div>
 
@@ -73,8 +77,8 @@ const EnvironmentVariablesEditor: Component<EnvironmentVariablesEditorProps> = (
                     value={key}
                     disabled={props.disabled}
                     class="flex-1 px-2.5 py-1.5 text-sm bg-surface-secondary border border-base rounded text-muted cursor-not-allowed"
-                    placeholder="Variable name"
-                    title="Variable name (read-only)"
+                    placeholder={t("envEditor.fields.name.placeholder")}
+                    title={t("envEditor.fields.name.readOnlyTitle")}
                   />
                   <input
                     type="text"
@@ -82,14 +86,14 @@ const EnvironmentVariablesEditor: Component<EnvironmentVariablesEditorProps> = (
                     disabled={props.disabled}
                     onInput={(e) => handleUpdateVariable(key, e.currentTarget.value)}
                     class="flex-1 px-2.5 py-1.5 text-sm bg-surface-base border border-base rounded text-primary focus-ring-accent disabled:opacity-50 disabled:cursor-not-allowed"
-                    placeholder="Variable value"
+                    placeholder={t("envEditor.fields.value.placeholder")}
                   />
                 </div>
                 <button
                   onClick={() => handleRemoveVariable(key)}
                   disabled={props.disabled}
                   class="p-1.5 icon-muted icon-danger-hover disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
-                  title="Remove variable"
+                  title={t("envEditor.actions.remove.title")}
                 >
                   <Trash2 class="w-3.5 h-3.5" />
                 </button>
@@ -110,7 +114,7 @@ const EnvironmentVariablesEditor: Component<EnvironmentVariablesEditorProps> = (
             onKeyPress={handleKeyPress}
             disabled={props.disabled}
             class="flex-1 px-2.5 py-1.5 text-sm bg-surface-base border border-base rounded text-primary focus-ring-accent disabled:opacity-50 disabled:cursor-not-allowed"
-            placeholder="Variable name"
+            placeholder={t("envEditor.fields.name.placeholder")}
           />
           <input
             type="text"
@@ -119,14 +123,14 @@ const EnvironmentVariablesEditor: Component<EnvironmentVariablesEditorProps> = (
             onKeyPress={handleKeyPress}
             disabled={props.disabled}
             class="flex-1 px-2.5 py-1.5 text-sm bg-surface-base border border-base rounded text-primary focus-ring-accent disabled:opacity-50 disabled:cursor-not-allowed"
-            placeholder="Variable value"
+            placeholder={t("envEditor.fields.value.placeholder")}
           />
         </div>
         <button
           onClick={handleAddVariable}
           disabled={props.disabled || !newKey().trim()}
           class="p-1.5 icon-muted icon-accent-hover disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
-          title="Add variable"
+          title={t("envEditor.actions.add.title")}
         >
           <Plus class="w-3.5 h-3.5" />
         </button>
@@ -134,12 +138,12 @@ const EnvironmentVariablesEditor: Component<EnvironmentVariablesEditorProps> = (
 
       <Show when={entries().length === 0}>
         <div class="text-xs text-muted text-center py-2">
-          No environment variables configured. Add variables above to customize the OpenCode environment.
+          {t("envEditor.empty")}
         </div>
       </Show>
 
       <div class="text-xs text-muted mt-2">
-        These variables will be available in the OpenCode environment when starting instances.
+        {t("envEditor.help")}
       </div>
     </div>
   )

packages/ui/src/components/expand-button.tsx

@@ -1,5 +1,6 @@
 import { Show } from "solid-js"
 import { Maximize2, Minimize2 } from "lucide-solid"
+import { useI18n } from "../lib/i18n"
 
 interface ExpandButtonProps {
   expandState: () => "normal" | "expanded"
@@ -7,6 +8,8 @@ interface ExpandButtonProps {
 }
 
 export default function ExpandButton(props: ExpandButtonProps) {
+  const { t } = useI18n()
+
   function handleClick() {
     const current = props.expandState()
     props.onToggleExpand(current === "normal" ? "expanded" : "normal")
@@ -17,7 +20,7 @@ export default function ExpandButton(props: ExpandButtonProps) {
       type="button"
       class="prompt-expand-button"
       onClick={handleClick}
-      aria-label="Toggle chat input height"
+      aria-label={t("expandButton.toggleAriaLabel")}
     >
       <Show
         when={props.expandState() === "normal"}

packages/ui/src/components/filesystem-browser-dialog.tsx

@@ -3,6 +3,7 @@ import { Folder as FolderIcon, File as FileIcon, Loader2, Search, X, ArrowUpLeft
 import type { FileSystemEntry, FileSystemListingMetadata } from "../../../server/src/api-types"
 import { serverApi } from "../lib/api-client"
 import { getLogger } from "../lib/logger"
+import { useI18n } from "../lib/i18n"
 const log = getLogger("actions")
 
 
@@ -49,6 +50,7 @@ interface FileSystemBrowserDialogProps {
 type FolderRow = { type: "up"; path: string } | { type: "entry"; entry: FileSystemEntry }
 
 const FileSystemBrowserDialog: Component<FileSystemBrowserDialogProps> = (props) => {
+  const { t } = useI18n()
   const [rootPath, setRootPath] = createSignal("")
   const [entries, setEntries] = createSignal<FileSystemEntry[]>([])
   const [currentMetadata, setCurrentMetadata] = createSignal<FileSystemListingMetadata | null>(null)
@@ -135,7 +137,7 @@ const FileSystemBrowserDialog: Component<FileSystemBrowserDialogProps> = (props)
       setRootPath(metadata.rootPath)
       setEntries(directoryCache.get(normalizeEntryPath(metadata.currentPath)) ?? [])
     } catch (err) {
-      const message = err instanceof Error ? err.message : "Unable to load filesystem"
+      const message = err instanceof Error ? err.message : t("filesystemBrowser.errors.loadFilesystemFallback")
       setError(message)
     }
   }
@@ -143,10 +145,10 @@ const FileSystemBrowserDialog: Component<FileSystemBrowserDialogProps> = (props)
   function describeLoadingPath() {
     const path = loadingPath()
     if (!path) {
-      return "filesystem"
+      return t("filesystemBrowser.loading.filesystem")
     }
     if (path === ".") {
-      return rootPath() || "workspace root"
+      return rootPath() || t("filesystemBrowser.loading.workspaceRoot")
     }
     return resolveAbsolutePath(rootPath(), path)
   }
@@ -176,7 +178,7 @@ const FileSystemBrowserDialog: Component<FileSystemBrowserDialogProps> = (props)
   function handleNavigateTo(path: string) {
     void fetchDirectory(path, true).catch((err) => {
       log.error("Failed to open directory", err)
-      setError(err instanceof Error ? err.message : "Unable to open directory")
+      setError(err instanceof Error ? err.message : t("filesystemBrowser.errors.openDirectoryFallback"))
     })
   }
 
@@ -277,19 +279,21 @@ const FileSystemBrowserDialog: Component<FileSystemBrowserDialogProps> = (props)
             <div class="panel-header flex items-start justify-between gap-4">
               <div>
                 <h3 class="panel-title">{props.title}</h3>
-                <p class="panel-subtitle">{props.description || "Search for a path under the configured workspace root."}</p>
+                <p class="panel-subtitle">{props.description || t("filesystemBrowser.descriptionFallback")}</p>
                 <Show when={rootPath()}>
-                  <p class="text-xs text-muted mt-1 font-mono break-all">Root: {rootPath()}</p>
+                  <p class="text-xs text-muted mt-1 font-mono break-all">
+                    {t("filesystemBrowser.rootLabel", { root: rootPath() })}
+                  </p>
                 </Show>
               </div>
               <button type="button" class="selector-button selector-button-secondary" onClick={props.onClose}>
                 <X class="w-4 h-4" />
-                Close
+                {t("filesystemBrowser.actions.close")}
               </button>
             </div>
 
             <div class="panel-body">
-              <label class="w-full text-sm text-secondary mb-2 block">Filter</label>
+              <label class="w-full text-sm text-secondary mb-2 block">{t("filesystemBrowser.filterLabel")}</label>
               <div class="selector-input-group">
                 <div class="flex items-center gap-2 px-3 text-muted">
                   <Search class="w-4 h-4" />
@@ -301,7 +305,11 @@ const FileSystemBrowserDialog: Component<FileSystemBrowserDialogProps> = (props)
                   type="text"
                   value={searchQuery()}
                   onInput={(event) => setSearchQuery(event.currentTarget.value)}
-                  placeholder={props.mode === "directories" ? "Search for folders" : "Search for files"}
+                  placeholder={
+                    props.mode === "directories"
+                      ? t("filesystemBrowser.search.placeholder.directories")
+                      : t("filesystemBrowser.search.placeholder.files")
+                  }
                   class="selector-input"
                 />
               </div>
@@ -311,7 +319,7 @@ const FileSystemBrowserDialog: Component<FileSystemBrowserDialogProps> = (props)
               <div class="px-4 pb-2">
                 <div class="flex items-center justify-between gap-3 rounded-md border border-border-subtle px-4 py-3">
                   <div>
-                    <p class="text-xs text-secondary uppercase tracking-wide">Current folder</p>
+                    <p class="text-xs text-secondary uppercase tracking-wide">{t("filesystemBrowser.currentFolder.label")}</p>
                     <p class="text-sm font-mono text-primary break-all">{currentAbsolutePath()}</p>
                   </div>
                   <button
@@ -319,7 +327,7 @@ const FileSystemBrowserDialog: Component<FileSystemBrowserDialogProps> = (props)
                     class="selector-button selector-button-secondary whitespace-nowrap"
                     onClick={() => props.onSelect(currentAbsolutePath())}
                   >
-                    Select Current
+                    {t("filesystemBrowser.currentFolder.selectCurrent")}
                   </button>
                 </div>
               </div>
@@ -336,7 +344,7 @@ const FileSystemBrowserDialog: Component<FileSystemBrowserDialogProps> = (props)
                     >
                       <div class="flex items-center gap-2">
                         <Loader2 class="w-4 h-4 animate-spin" />
-                        <span>Loading {describeLoadingPath()}…</span>
+                        <span>{t("filesystemBrowser.loading.loadingWithPath", { path: describeLoadingPath() })}</span>
                       </div>
                     </Show>
                   </div>
@@ -345,16 +353,16 @@ const FileSystemBrowserDialog: Component<FileSystemBrowserDialogProps> = (props)
                 <Show when={loadingPath()}>
                   <div class="flex items-center gap-2 px-4 py-2 text-xs text-secondary">
                     <Loader2 class="w-3.5 h-3.5 animate-spin" />
-                    <span>Loading {describeLoadingPath()}…</span>
+                    <span>{t("filesystemBrowser.loading.loadingWithPath", { path: describeLoadingPath() })}</span>
                   </div>
                 </Show>
                 <Show
                   when={folderRows().length > 0}
                   fallback={
                     <div class="flex flex-col items-center justify-center gap-2 py-10 text-sm text-secondary">
-                      <p>No entries found.</p>
+                      <p>{t("filesystemBrowser.empty.noEntries")}</p>
                       <button type="button" class="selector-button selector-button-secondary" onClick={refreshEntries}>
-                        Retry
+                        {t("filesystemBrowser.actions.retry")}
                       </button>
                     </div>
                   }
@@ -370,7 +378,7 @@ const FileSystemBrowserDialog: Component<FileSystemBrowserDialogProps> = (props)
                                   <ArrowUpLeft class="w-4 h-4" />
                                 </div>
                                 <div class="directory-browser-row-text">
-                                  <span class="directory-browser-row-name">Up one level</span>
+                                  <span class="directory-browser-row-name">{t("filesystemBrowser.navigation.upOneLevel")}</span>
                                 </div>
                               </button>
                             </div>
@@ -412,7 +420,7 @@ const FileSystemBrowserDialog: Component<FileSystemBrowserDialogProps> = (props)
                                 selectEntry()
                               }}
                             >
-                              Select
+                              {t("filesystemBrowser.actions.select")}
                             </button>
                           </div>
                         </div>
@@ -428,15 +436,15 @@ const FileSystemBrowserDialog: Component<FileSystemBrowserDialogProps> = (props)
                 <div class="flex items-center gap-1.5">
                   <kbd class="kbd">↑</kbd>
                   <kbd class="kbd">↓</kbd>
-                  <span>Navigate</span>
+                  <span>{t("filesystemBrowser.hints.navigate")}</span>
                 </div>
                 <div class="flex items-center gap-1.5">
                   <kbd class="kbd">Enter</kbd>
-                  <span>Select</span>
+                  <span>{t("filesystemBrowser.hints.select")}</span>
                 </div>
                 <div class="flex items-center gap-1.5">
                   <kbd class="kbd">Esc</kbd>
-                  <span>Close</span>
+                  <span>{t("filesystemBrowser.hints.close")}</span>
                 </div>
               </div>
             </div>
@@ -448,4 +456,3 @@ const FileSystemBrowserDialog: Component<FileSystemBrowserDialogProps> = (props)
 }
 
 export default FileSystemBrowserDialog
-

packages/ui/src/components/folder-selection-view.tsx

@@ -1,10 +1,17 @@
+import { Select } from "@kobalte/core/select"
 import { Component, createSignal, Show, For, onMount, onCleanup, createEffect } from "solid-js"
-import { Folder, Clock, Trash2, FolderPlus, Settings, ChevronRight, MonitorUp } from "lucide-solid"
+import { Folder, Clock, Trash2, FolderPlus, Settings, ChevronRight, MonitorUp, Star, Languages, ChevronDown } from "lucide-solid"
 import { useConfig } from "../stores/preferences"
 import AdvancedSettingsModal from "./advanced-settings-modal"
 import DirectoryBrowserDialog from "./directory-browser-dialog"
 import Kbd from "./kbd"
+import { ThemeModeToggle } from "./theme-mode-toggle"
 import { openNativeFolderDialog, supportsNativeDialogs } from "../lib/native/native-functions"
+import VersionPill from "./version-pill"
+import { DiscordSymbolIcon, GitHubMarkIcon } from "./brand-icons"
+import { githubStars } from "../stores/github-stars"
+import { formatCompactCount } from "../lib/formatters"
+import { useI18n, type Locale } from "../lib/i18n"
 
 const codeNomadLogo = new URL("../images/CodeNomad-Icon.png", import.meta.url).href
 
@@ -19,13 +26,27 @@ interface FolderSelectionViewProps {
 }
 
 const FolderSelectionView: Component<FolderSelectionViewProps> = (props) => {
-  const { recentFolders, removeRecentFolder, preferences } = useConfig()
+  const { recentFolders, removeRecentFolder, preferences, updatePreferences } = useConfig()
+  const { t, locale } = useI18n()
   const [selectedIndex, setSelectedIndex] = createSignal(0)
   const [focusMode, setFocusMode] = createSignal<"recent" | "new" | null>("recent")
   const [selectedBinary, setSelectedBinary] = createSignal(preferences().lastUsedBinary || "opencode")
   const [isFolderBrowserOpen, setIsFolderBrowserOpen] = createSignal(false)
   const nativeDialogsAvailable = supportsNativeDialogs()
   let recentListRef: HTMLDivElement | undefined
+
+  type LanguageOption = { value: Locale; label: string }
+
+  const languageOptions: LanguageOption[] = [
+    { value: "en", label: "English" },
+    { value: "es", label: "Español" },
+    { value: "fr", label: "Français" },
+    { value: "ru", label: "Русский" },
+    { value: "ja", label: "日本語" },
+    { value: "zh-Hans", label: "简体中文" },
+  ]
+
+  const selectedLanguageOption = () => languageOptions.find((opt) => opt.value === locale()) ?? languageOptions[0]
  
   const folders = () => recentFolders()
   const isLoading = () => Boolean(props.isLoading)
@@ -56,6 +77,19 @@ const FolderSelectionView: Component<FolderSelectionViewProps> = (props) => {
 
 
   function handleKeyDown(e: KeyboardEvent) {
+    let activeElement: HTMLElement | null = null
+    if (typeof document !== "undefined") {
+      activeElement = document.activeElement as HTMLElement | null
+    }
+    const insideModal = activeElement?.closest(".modal-surface") || activeElement?.closest("[role='dialog']")
+    const isEditingField =
+      activeElement &&
+      (["INPUT", "TEXTAREA", "SELECT"].includes(activeElement.tagName) || activeElement.isContentEditable || Boolean(insideModal))
+
+    if (isEditingField) {
+      return
+    }
+
     const normalizedKey = e.key.toLowerCase()
     const isBrowseShortcut = (e.metaKey || e.ctrlKey) && !e.shiftKey && normalizedKey === "n"
     const blockedKeys = [
@@ -164,16 +198,21 @@ const FolderSelectionView: Component<FolderSelectionViewProps> = (props) => {
     const hours = Math.floor(minutes / 60)
     const days = Math.floor(hours / 24)
 
-    if (days > 0) return `${days}d ago`
-    if (hours > 0) return `${hours}h ago`
-    if (minutes > 0) return `${minutes}m ago`
-    return "just now"
+    if (days > 0) return t("time.relative.daysAgoShort", { count: days })
+    if (hours > 0) return t("time.relative.hoursAgoShort", { count: hours })
+    if (minutes > 0) return t("time.relative.minutesAgoShort", { count: minutes })
+    return t("time.relative.justNow")
   }
 
   function handleFolderSelect(path: string) {
     if (isLoading()) return
     props.onSelectFolder(path, selectedBinary())
   }
+
+  const openExternalLink = (url: string) => {
+    if (typeof window === "undefined") return
+    window.open(url, "_blank", "noopener,noreferrer")
+  }
  
   async function handleBrowse() {
     if (isLoading()) return
@@ -181,7 +220,7 @@ const FolderSelectionView: Component<FolderSelectionViewProps> = (props) => {
     if (nativeDialogsAvailable) {
       const fallbackPath = folders()[0]?.path
       const selected = await openNativeFolderDialog({
-        title: "Select Workspace",
+        title: t("folderSelection.dialog.title"),
         defaultPath: fallbackPath,
       })
       if (selected) {
@@ -228,167 +267,282 @@ const FolderSelectionView: Component<FolderSelectionViewProps> = (props) => {
         style="background-color: var(--surface-secondary)"
       >
         <div
-          class="w-full max-w-3xl h-full px-4 sm:px-8 pb-2 flex flex-col overflow-hidden"
+          class="w-full max-w-5xl h-full px-4 sm:px-8 pb-2 flex flex-col overflow-hidden"
           aria-busy={isLoading() ? "true" : "false"}
         >
-          <Show when={props.onOpenRemoteAccess}>
-            <div class="absolute top-4 right-6">
+          <div class="absolute top-4 left-6">
+            <Select<LanguageOption>
+              value={selectedLanguageOption()}
+              onChange={(value) => {
+                if (!value) return
+                if (value.value === locale()) return
+                updatePreferences({ locale: value.value })
+              }}
+              options={languageOptions}
+              optionValue="value"
+              optionTextValue="label"
+              itemComponent={(itemProps) => (
+                <Select.Item item={itemProps.item} class="selector-option">
+                  <Select.ItemLabel class="selector-option-label">{itemProps.item.rawValue.label}</Select.ItemLabel>
+                </Select.Item>
+              )}
+            >
+              <Select.Trigger
+                class="selector-trigger"
+                aria-label={t("folderSelection.language.ariaLabel")}
+                title={t("folderSelection.language.ariaLabel")}
+              >
+                <Languages class="w-4 h-4 icon-muted" aria-hidden="true" />
+                <div class="flex-1 min-w-0">
+                  <Select.Value<LanguageOption>>
+                    {(state) => (
+                      <span class="selector-trigger-primary selector-trigger-primary--align-left">
+                        {state.selectedOption()?.label}
+                      </span>
+                    )}
+                  </Select.Value>
+                </div>
+                <Select.Icon class="selector-trigger-icon">
+                  <ChevronDown class="w-3 h-3" />
+                </Select.Icon>
+              </Select.Trigger>
+
+              <Select.Portal>
+                <Select.Content class="selector-popover min-w-[180px]">
+                  <Select.Listbox class="selector-listbox" />
+                </Select.Content>
+              </Select.Portal>
+            </Select>
+          </div>
+          <div class="absolute top-4 right-6 flex items-center gap-2">
+            <ThemeModeToggle class="selector-button selector-button-secondary w-auto p-2 inline-flex items-center justify-center" />
+            <Show when={props.onOpenRemoteAccess}>
               <button
                 type="button"
-                class="selector-button selector-button-secondary inline-flex items-center justify-center"
+                class="selector-button selector-button-secondary w-auto p-2 inline-flex items-center justify-center"
                 onClick={() => props.onOpenRemoteAccess?.()}
               >
                 <MonitorUp class="w-4 h-4" />
               </button>
-            </div>
-          </Show>
-        <div class="mb-6 text-center shrink-0">
-          <div class="mb-3 flex justify-center">
-            <img src={codeNomadLogo} alt="CodeNomad logo" class="h-32 w-auto sm:h-48" loading="lazy" />
-          </div>
-          <h1 class="mb-2 text-3xl font-semibold text-primary">CodeNomad</h1>
-          <p class="text-base text-secondary">Select a folder to start coding with AI</p>
-        </div>
-
- 
-          <div class="space-y-4 flex-1 min-h-0 overflow-hidden flex flex-col">
-
-            <Show
-
-
-              when={folders().length > 0}
-              fallback={
-                <div class="panel panel-empty-state flex-1">
-                  <div class="panel-empty-state-icon">
-                    <Clock class="w-12 h-12 mx-auto" />
-                  </div>
-                  <p class="panel-empty-state-title">No Recent Folders</p>
-                  <p class="panel-empty-state-description">Browse for a folder to get started</p>
-                </div>
-              }
-            >
-              <div class="panel flex flex-col flex-1 min-h-0">
-                <div class="panel-header">
-                  <h2 class="panel-title">Recent Folders</h2>
-                  <p class="panel-subtitle">
-                    {folders().length} {folders().length === 1 ? "folder" : "folders"} available
-                  </p>
-                </div>
-                <div class="panel-list panel-list--fill flex-1 min-h-0 overflow-auto" ref={(el) => (recentListRef = el)}>
-                  <For each={folders()}>
-                    {(folder, index) => (
-                      <div
-                        class="panel-list-item"
-                        classList={{
-                          "panel-list-item-highlight": focusMode() === "recent" && selectedIndex() === index(),
-                          "panel-list-item-disabled": isLoading(),
-                        }}
-                      >
-                        <div class="flex items-center gap-2 w-full px-1">
-                          <button
-                            data-folder-index={index()}
-                            class="panel-list-item-content flex-1"
-                            disabled={isLoading()}
-                            onClick={() => handleFolderSelect(folder.path)}
-                            onMouseEnter={() => {
-                              if (isLoading()) return
-                              setFocusMode("recent")
-                              setSelectedIndex(index())
-                            }}
-                          >
-                            <div class="flex items-center justify-between gap-3 w-full">
-                              <div class="flex-1 min-w-0">
-                                <div class="flex items-center gap-2 mb-1">
-                                  <Folder class="w-4 h-4 flex-shrink-0 icon-muted" />
-                                  <span class="text-sm font-medium truncate text-primary">
-                                    {folder.path.split("/").pop()}
-                                  </span>
-                                </div>
-                                <div class="text-xs font-mono truncate pl-6 text-muted">
-                                  {getDisplayPath(folder.path)}
-                                </div>
-                                <div class="text-xs mt-1 pl-6 text-muted">
-                                  {formatRelativeTime(folder.lastAccessed)}
-                                </div>
-                              </div>
-                              <Show when={focusMode() === "recent" && selectedIndex() === index()}>
-                                <kbd class="kbd">↵</kbd>
-                              </Show>
-                            </div>
-                          </button>
-                          <button
-                            onClick={(e) => handleRemove(folder.path, e)}
-                            disabled={isLoading()}
-                            class="p-2 transition-all hover:bg-red-100 dark:hover:bg-red-900/30 opacity-70 hover:opacity-100 rounded"
-                            title="Remove from recent"
-                          >
-                            <Trash2 class="w-3.5 h-3.5 transition-colors icon-muted hover:text-red-600 dark:hover:text-red-400" />
-                          </button>
-                        </div>
-                      </div>
-                    )}
-                  </For>
-                </div>
-              </div>
             </Show>
-
-            <div class="panel shrink-0">
-              <div class="panel-header hidden sm:block">
-                <h2 class="panel-title">Browse for Folder</h2>
-                <p class="panel-subtitle">Select any folder on your computer</p>
-              </div>
-
-              <div class="panel-body">
-                <button
-                  onClick={() => void handleBrowse()}
-                  disabled={props.isLoading}
-                  class="button-primary w-full flex items-center justify-center text-sm disabled:cursor-not-allowed"
-                  onMouseEnter={() => setFocusMode("new")}
-                >
-                  <div class="flex items-center gap-2">
-                    <FolderPlus class="w-4 h-4" />
-                    <span>{props.isLoading ? "Opening..." : "Browse Folders"}</span>
-                  </div>
-                  <Kbd shortcut="cmd+n" class="ml-2" />
-                </button>
-              </div>
-
-              {/* Advanced settings section */}
-              <div class="panel-section w-full">
-                <button
-                  onClick={() => props.onAdvancedSettingsOpen?.()}
-                  class="panel-section-header w-full justify-between"
-                >
-                  <div class="flex items-center gap-2">
-                    <Settings class="w-4 h-4 icon-muted" />
-                    <span class="text-sm font-medium text-secondary">Advanced Settings</span>
-                  </div>
-                  <ChevronRight class="w-4 h-4 icon-muted" />
-                </button>
-              </div>
+          </div>
+          <div class="mb-6 text-center shrink-0">
+            <div class="mb-3 flex justify-center">
+              <img src={codeNomadLogo} alt={t("folderSelection.logoAlt")} class="h-32 w-auto sm:h-48" loading="lazy" />
             </div>
+            <h1 class="mb-2 text-3xl font-semibold text-primary">CodeNomad</h1>
+            <div class="mt-3 flex justify-center gap-2">
+              <a
+                href="https://github.com/NeuralNomadsAI/CodeNomad"
+                target="_blank"
+                rel="noreferrer"
+                class="selector-button selector-button-secondary w-auto p-2 inline-flex items-center justify-center"
+                aria-label={t("folderSelection.links.github")}
+                title={t("folderSelection.links.github")}
+                onClick={(event) => {
+                  event.preventDefault()
+                  openExternalLink("https://github.com/NeuralNomadsAI/CodeNomad")
+                }}
+              >
+                <GitHubMarkIcon class="w-4 h-4" />
+              </a>
+              <a
+                href="https://github.com/NeuralNomadsAI/CodeNomad"
+                target="_blank"
+                rel="noreferrer"
+                class="selector-button selector-button-secondary w-auto px-3 py-1.5 inline-flex items-center justify-center gap-1.5"
+                aria-label={t("folderSelection.links.githubStars")}
+                title={t("folderSelection.links.githubStars")}
+                onClick={(event) => {
+                  event.preventDefault()
+                  openExternalLink("https://github.com/NeuralNomadsAI/CodeNomad")
+                }}
+              >
+                <Star class="w-4 h-4" />
+                <Show when={githubStars() !== null}>
+                  <span class="text-xs font-medium">{formatCompactCount(githubStars()!)}</span>
+                </Show>
+              </a>
+              <a
+                href="https://discord.com/channels/1391832426048651334/1458412028325793887/1464701235683917945"
+                target="_blank"
+                rel="noreferrer"
+                class="selector-button selector-button-secondary w-auto p-2 inline-flex items-center justify-center"
+                aria-label={t("folderSelection.links.discord")}
+                title={t("folderSelection.links.discord")}
+                onClick={(event) => {
+                  event.preventDefault()
+                  openExternalLink(
+                    "https://discord.com/channels/1391832426048651334/1458412028325793887/1464701235683917945",
+                  )
+                }}
+              >
+                <DiscordSymbolIcon class="w-4 h-4" />
+              </a>
+            </div>
+            <p class="mt-3 text-base text-secondary">{t("folderSelection.tagline")}</p>
           </div>
 
-          <div class="mt-1 panel panel-footer shrink-0 hidden sm:block">
-            <div class="panel-footer-hints">
-              <Show when={folders().length > 0}>
-                <div class="flex items-center gap-1.5">
-                  <kbd class="kbd">↑</kbd>
-                  <kbd class="kbd">↓</kbd>
-                  <span>Navigate</span>
-                </div>
-                <div class="flex items-center gap-1.5">
-                  <kbd class="kbd">Enter</kbd>
-                  <span>Select</span>
-                </div>
-                <div class="flex items-center gap-1.5">
-                  <kbd class="kbd">Del</kbd>
-                  <span>Remove</span>
+          <div class="flex-1 min-h-0 overflow-hidden flex flex-col gap-4">
+            <div class="flex-1 min-h-0 overflow-hidden flex flex-col lg:flex-row gap-4">
+              {/* Right column: recent folders */}
+              <div class="order-1 lg:order-2 flex flex-col gap-4 flex-1 min-h-0 overflow-hidden">
+              <Show
+                when={folders().length > 0}
+                fallback={
+                  <div class="panel panel-empty-state flex-1">
+                    <div class="panel-empty-state-icon">
+                      <Clock class="w-12 h-12 mx-auto" />
+                    </div>
+                    <p class="panel-empty-state-title">{t("folderSelection.empty.title")}</p>
+                    <p class="panel-empty-state-description">{t("folderSelection.empty.description")}</p>
+                  </div>
+                }
+              >
+                <div class="panel flex flex-col flex-1 min-h-0">
+                  <div class="panel-header">
+                    <h2 class="panel-title">{t("folderSelection.recent.title")}</h2>
+                    <p class="panel-subtitle">
+                      {t(
+                        folders().length === 1
+                          ? "folderSelection.recent.subtitle.one"
+                          : "folderSelection.recent.subtitle.other",
+                        { count: folders().length },
+                      )}
+                    </p>
+                  </div>
+                  <div
+                    class="panel-list panel-list--fill flex-1 min-h-0 overflow-auto"
+                    ref={(el) => (recentListRef = el)}
+                  >
+                    <For each={folders()}>
+                      {(folder, index) => (
+                        <div
+                          class="panel-list-item"
+                          classList={{
+                            "panel-list-item-highlight": focusMode() === "recent" && selectedIndex() === index(),
+                            "panel-list-item-disabled": isLoading(),
+                          }}
+                        >
+                          <div class="flex items-center gap-2 w-full px-1">
+                            <button
+                              data-folder-index={index()}
+                              class="panel-list-item-content flex-1"
+                              disabled={isLoading()}
+                              onClick={() => handleFolderSelect(folder.path)}
+                              onMouseEnter={() => {
+                                if (isLoading()) return
+                                setFocusMode("recent")
+                                setSelectedIndex(index())
+                              }}
+                            >
+                              <div class="flex items-center justify-between gap-3 w-full">
+                                <div class="flex-1 min-w-0">
+                                  <div class="flex items-center gap-2 mb-1">
+                                    <Folder class="w-4 h-4 flex-shrink-0 icon-muted" />
+                                    <span class="text-sm font-medium truncate text-primary">
+                                      {folder.path.split("/").pop()}
+                                    </span>
+                                  </div>
+                                  <div class="text-xs font-mono truncate pl-6 text-muted">
+                                    {getDisplayPath(folder.path)}
+                                  </div>
+                                  <div class="text-xs mt-1 pl-6 text-muted">
+                                    {formatRelativeTime(folder.lastAccessed)}
+                                  </div>
+                                </div>
+                                <Show when={focusMode() === "recent" && selectedIndex() === index()}>
+                                  <kbd class="kbd">↵</kbd>
+                                </Show>
+                              </div>
+                            </button>
+                            <button
+                              onClick={(e) => handleRemove(folder.path, e)}
+                              disabled={isLoading()}
+                              class="p-2 transition-all hover:bg-red-100 dark:hover:bg-red-900/30 opacity-70 hover:opacity-100 rounded"
+                              title={t("folderSelection.recent.remove")}
+                            >
+                              <Trash2 class="w-3.5 h-3.5 transition-colors icon-muted hover:text-red-600 dark:hover:text-red-400" />
+                            </button>
+                          </div>
+                        </div>
+                      )}
+                    </For>
+                  </div>
                 </div>
               </Show>
-              <div class="flex items-center gap-1.5">
-                <Kbd shortcut="cmd+n" />
-                <span>Browse</span>
+
+              </div>
+
+              {/* Left column: version + browse + advanced settings */}
+              <div class="order-2 lg:order-1 flex flex-col gap-4 flex-1 min-h-0">
+              <div class="panel shrink-0">
+                <div class="panel-header hidden sm:block">
+                  <h2 class="panel-title">{t("folderSelection.browse.title")}</h2>
+                  <p class="panel-subtitle">{t("folderSelection.browse.subtitle")}</p>
+                </div>
+
+                <div class="panel-body">
+                  <button
+                    onClick={() => void handleBrowse()}
+                    disabled={props.isLoading}
+                    class="button-primary w-full flex items-center justify-center text-sm disabled:cursor-not-allowed"
+                    onMouseEnter={() => setFocusMode("new")}
+                  >
+                    <div class="flex items-center gap-2">
+                      <FolderPlus class="w-4 h-4" />
+                      <span>
+                        {props.isLoading
+                          ? t("folderSelection.browse.buttonOpening")
+                          : t("folderSelection.browse.button")}
+                      </span>
+                    </div>
+                    <Kbd shortcut="cmd+n" class="ml-2" />
+                  </button>
+                </div>
+
+                {/* Advanced settings section */}
+                <div class="panel-section w-full">
+                  <button onClick={() => props.onAdvancedSettingsOpen?.()} class="panel-section-header w-full justify-between">
+                    <div class="flex items-center gap-2">
+                      <Settings class="w-4 h-4 icon-muted" />
+                      <span class="text-sm font-medium text-secondary">{t("folderSelection.advancedSettings")}</span>
+                    </div>
+                    <ChevronRight class="w-4 h-4 icon-muted" />
+                  </button>
+                </div>
+              </div>
+
+              <div class="panel shrink-0">
+                <div class="panel-body flex items-center justify-center">
+                  <VersionPill />
+                </div>
+              </div>
+            </div>
+
+            </div>
+
+            <div class="panel panel-footer shrink-0 hidden sm:block">
+              <div class="panel-footer-hints">
+                <Show when={folders().length > 0}>
+                  <div class="flex items-center gap-1.5">
+                    <kbd class="kbd">↑</kbd>
+                    <kbd class="kbd">↓</kbd>
+                    <span>{t("folderSelection.hints.navigate")}</span>
+                  </div>
+                  <div class="flex items-center gap-1.5">
+                    <kbd class="kbd">Enter</kbd>
+                    <span>{t("folderSelection.hints.select")}</span>
+                  </div>
+                  <div class="flex items-center gap-1.5">
+                    <kbd class="kbd">Del</kbd>
+                    <span>{t("folderSelection.hints.remove")}</span>
+                  </div>
+                </Show>
+                <div class="flex items-center gap-1.5">
+                  <Kbd shortcut="cmd+n" />
+                  <span>{t("folderSelection.hints.browse")}</span>
+                </div>
               </div>
             </div>
           </div>
@@ -397,8 +551,8 @@ const FolderSelectionView: Component<FolderSelectionViewProps> = (props) => {
           <div class="folder-loading-overlay">
             <div class="folder-loading-indicator">
               <div class="spinner" />
-              <p class="folder-loading-text">Starting instance…</p>
-              <p class="folder-loading-subtext">Hang tight while we prepare your workspace.</p>
+              <p class="folder-loading-text">{t("folderSelection.loading.title")}</p>
+              <p class="folder-loading-subtext">{t("folderSelection.loading.subtitle")}</p>
             </div>
           </div>
         </Show>
@@ -414,8 +568,8 @@ const FolderSelectionView: Component<FolderSelectionViewProps> = (props) => {
 
       <DirectoryBrowserDialog
         open={isFolderBrowserOpen()}
-        title="Select Workspace"
-        description="Select workspace to start coding."
+        title={t("folderSelection.dialog.title")}
+        description={t("folderSelection.dialog.description")}
         onClose={() => setIsFolderBrowserOpen(false)}
         onSelect={handleBrowserSelect}
       />

packages/ui/src/components/info-view.tsx

@@ -2,6 +2,7 @@ import { Component, For, createSignal, createEffect, Show, onMount, onCleanup, c
 import { instances, getInstanceLogs, isInstanceLogStreaming, setInstanceLogStreaming } from "../stores/instances"
 import { ChevronDown } from "lucide-solid"
 import InstanceInfo from "./instance-info"
+import { useI18n } from "../lib/i18n"
 
 interface InfoViewProps {
   instanceId: string
@@ -10,6 +11,7 @@ interface InfoViewProps {
 const logsScrollState = new Map<string, { scrollTop: number; autoScroll: boolean }>()
 
 const InfoView: Component<InfoViewProps> = (props) => {
+  const { t } = useI18n()
   let scrollRef: HTMLDivElement | undefined
   const savedState = logsScrollState.get(props.instanceId)
   const [autoScroll, setAutoScroll] = createSignal(savedState?.autoScroll ?? false)
@@ -90,18 +92,18 @@ const InfoView: Component<InfoViewProps> = (props) => {
 
         <div class="panel flex-1 flex flex-col min-h-0 overflow-hidden">
           <div class="log-header">
-            <h2 class="panel-title">Server Logs</h2>
+            <h2 class="panel-title">{t("infoView.logs.title")}</h2>
             <div class="flex items-center gap-2">
               <Show
                 when={streamingEnabled()}
                 fallback={
                   <button type="button" class="button-tertiary" onClick={handleEnableLogs}>
-                    Show server logs
+                    {t("infoView.logs.actions.show")}
                   </button>
                 }
               >
                 <button type="button" class="button-tertiary" onClick={handleDisableLogs}>
-                  Hide server logs
+                  {t("infoView.logs.actions.hide")}
                 </button>
               </Show>
             </div>
@@ -116,17 +118,17 @@ const InfoView: Component<InfoViewProps> = (props) => {
               when={streamingEnabled()}
               fallback={
                 <div class="log-paused-state">
-                  <p class="log-paused-title">Server logs are paused</p>
-                  <p class="log-paused-description">Enable streaming to watch your OpenCode server activity.</p>
+                  <p class="log-paused-title">{t("infoView.logs.paused.title")}</p>
+                  <p class="log-paused-description">{t("infoView.logs.paused.description")}</p>
                   <button type="button" class="button-primary" onClick={handleEnableLogs}>
-                    Show server logs
+                    {t("infoView.logs.actions.show")}
                   </button>
                 </div>
               }
             >
               <Show
                 when={logs().length > 0}
-                fallback={<div class="log-empty-state">Waiting for server output...</div>}
+                fallback={<div class="log-empty-state">{t("infoView.logs.empty.waiting")}</div>}
               >
                 <For each={logs()}>
                   {(entry) => (
@@ -148,7 +150,7 @@ const InfoView: Component<InfoViewProps> = (props) => {
               class="scroll-to-bottom"
             >
               <ChevronDown class="w-4 h-4" />
-              Scroll to bottom
+              {t("infoView.logs.scrollToBottom")}
             </button>
           </Show>
         </div>

packages/ui/src/components/instance-disconnected-modal.tsx

@@ -1,4 +1,5 @@
 import { Dialog } from "@kobalte/core/dialog"
+import { useI18n } from "../lib/i18n"
 
 interface InstanceDisconnectedModalProps {
   open: boolean
@@ -8,8 +9,10 @@ interface InstanceDisconnectedModalProps {
 }
 
 export default function InstanceDisconnectedModal(props: InstanceDisconnectedModalProps) {
-  const folderLabel = props.folder || "this workspace"
-  const reasonLabel = props.reason || "The server stopped responding"
+  const { t } = useI18n()
+
+  const folderLabel = () => props.folder || t("instanceDisconnected.folderFallback")
+  const reasonLabel = () => props.reason || t("instanceDisconnected.reasonFallback")
 
   return (
     <Dialog open={props.open} modal>
@@ -18,25 +21,25 @@ export default function InstanceDisconnectedModal(props: InstanceDisconnectedMod
         <div class="fixed inset-0 z-50 flex items-center justify-center p-4">
           <Dialog.Content class="modal-surface w-full max-w-md p-6 flex flex-col gap-6">
             <div>
-              <Dialog.Title class="text-xl font-semibold text-primary">Instance Disconnected</Dialog.Title>
+              <Dialog.Title class="text-xl font-semibold text-primary">{t("instanceDisconnected.title")}</Dialog.Title>
               <Dialog.Description class="text-sm text-secondary mt-2 break-words">
-                {folderLabel} can no longer be reached. Close the tab to continue working.
+                {t("instanceDisconnected.description", { folder: folderLabel() })}
               </Dialog.Description>
             </div>
 
             <div class="rounded-lg border border-base bg-surface-secondary p-4 text-sm text-secondary">
-              <p class="font-medium text-primary">Details</p>
-              <p class="mt-2 text-secondary">{reasonLabel}</p>
+              <p class="font-medium text-primary">{t("instanceDisconnected.details.title")}</p>
+              <p class="mt-2 text-secondary">{reasonLabel()}</p>
               {props.folder && (
                 <p class="mt-2 text-secondary">
-                  Folder: <span class="font-mono text-primary break-all">{props.folder}</span>
+                  {t("instanceDisconnected.details.folderLabel")} <span class="font-mono text-primary break-all">{props.folder}</span>
                 </p>
               )}
             </div>
 
             <div class="flex justify-end">
               <button type="button" class="selector-button selector-button-primary" onClick={props.onClose}>
-                Close Instance
+                {t("instanceDisconnected.actions.closeInstance")}
               </button>
             </div>
           </Dialog.Content>

packages/ui/src/components/instance-info.tsx

@@ -2,6 +2,7 @@ import { Component, For, Show, createMemo } from "solid-js"
 import type { Instance } from "../types/instance"
 import { useOptionalInstanceMetadataContext } from "../lib/contexts/instance-metadata-context"
 import InstanceServiceStatus from "./instance-service-status"
+import { useI18n } from "../lib/i18n"
 
 interface InstanceInfoProps {
   instance: Instance
@@ -9,6 +10,7 @@ interface InstanceInfoProps {
 }
 
 const InstanceInfo: Component<InstanceInfoProps> = (props) => {
+  const { t } = useI18n()
   const metadataContext = useOptionalInstanceMetadataContext()
   const isLoadingMetadata = metadataContext?.isLoading ?? (() => false)
   const instanceAccessor = metadataContext?.instance ?? (() => props.instance)
@@ -26,11 +28,11 @@ const InstanceInfo: Component<InstanceInfoProps> = (props) => {
   return (
     <div class="panel">
       <div class="panel-header">
-        <h2 class="panel-title">Instance Information</h2>
+        <h2 class="panel-title">{t("instanceInfo.title")}</h2>
       </div>
       <div class="panel-body space-y-3">
         <div>
-          <div class="text-xs font-medium text-muted uppercase tracking-wide mb-1">Folder</div>
+          <div class="text-xs font-medium text-muted uppercase tracking-wide mb-1">{t("instanceInfo.labels.folder")}</div>
           <div class="text-xs text-primary font-mono break-all px-2 py-1.5 rounded border bg-surface-secondary border-base">
             {currentInstance().folder}
           </div>
@@ -41,7 +43,7 @@ const InstanceInfo: Component<InstanceInfoProps> = (props) => {
             <>
               <div>
                 <div class="text-xs font-medium text-muted uppercase tracking-wide mb-1">
-                  Project
+                  {t("instanceInfo.labels.project")}
                 </div>
                 <div class="text-xs font-mono px-2 py-1.5 rounded border truncate bg-surface-secondary border-base text-primary">
                   {project().id}
@@ -51,7 +53,7 @@ const InstanceInfo: Component<InstanceInfoProps> = (props) => {
               <Show when={project().vcs}>
                 <div>
                   <div class="text-xs font-medium text-muted uppercase tracking-wide mb-1">
-                    Version Control
+                    {t("instanceInfo.labels.versionControl")}
                   </div>
                   <div class="flex items-center gap-2 text-xs text-primary">
                     <svg
@@ -73,7 +75,7 @@ const InstanceInfo: Component<InstanceInfoProps> = (props) => {
         <Show when={binaryVersion()}>
           <div>
             <div class="text-xs font-medium text-muted uppercase tracking-wide mb-1">
-              OpenCode Version
+              {t("instanceInfo.labels.opencodeVersion")}
             </div>
             <div class="text-xs px-2 py-1.5 rounded border bg-surface-secondary border-base text-primary">
               v{binaryVersion()}
@@ -84,7 +86,7 @@ const InstanceInfo: Component<InstanceInfoProps> = (props) => {
         <Show when={currentInstance().binaryPath}>
           <div>
             <div class="text-xs font-medium text-muted uppercase tracking-wide mb-1">
-              Binary Path
+              {t("instanceInfo.labels.binaryPath")}
             </div>
             <div class="text-xs font-mono break-all px-2 py-1.5 rounded border bg-surface-secondary border-base text-primary">
               {currentInstance().binaryPath}
@@ -95,7 +97,7 @@ const InstanceInfo: Component<InstanceInfoProps> = (props) => {
         <Show when={environmentEntries().length > 0}>
           <div>
             <div class="text-xs font-medium text-muted uppercase tracking-wide mb-1.5">
-              Environment Variables ({environmentEntries().length})
+              {t("instanceInfo.labels.environmentVariables", { count: environmentEntries().length })}
             </div>
             <div class="space-y-1">
               <For each={environmentEntries()}>
@@ -127,24 +129,24 @@ const InstanceInfo: Component<InstanceInfoProps> = (props) => {
                   d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
                 />
               </svg>
-              Loading...
+              {t("instanceInfo.loading")}
             </div>
           </div>
         </Show>
 
         <div>
-          <div class="text-xs font-medium text-muted uppercase tracking-wide mb-1.5">Server</div>
+          <div class="text-xs font-medium text-muted uppercase tracking-wide mb-1.5">{t("instanceInfo.server.title")}</div>
           <div class="space-y-1 text-xs">
             <div class="flex justify-between items-center">
-              <span class="text-secondary">Port:</span>
+              <span class="text-secondary">{t("instanceInfo.server.port")}</span>
               <span class="text-primary font-mono">{currentInstance().port}</span>
             </div>
             <div class="flex justify-between items-center">
-              <span class="text-secondary">PID:</span>
+              <span class="text-secondary">{t("instanceInfo.server.pid")}</span>
               <span class="text-primary font-mono">{currentInstance().pid}</span>
             </div>
             <div class="flex justify-between items-center">
-              <span class="text-secondary">Status:</span>
+              <span class="text-secondary">{t("instanceInfo.server.status")}</span>
               <span class={`status-badge ${currentInstance().status}`}>
                 <div
                   class={`status-dot ${currentInstance().status === "ready" ? "ready" : currentInstance().status === "starting" ? "starting" : currentInstance().status === "error" ? "error" : "stopped"} ${currentInstance().status === "ready" || currentInstance().status === "starting" ? "animate-pulse" : ""}`}

packages/ui/src/components/instance-service-status.tsx

@@ -2,6 +2,7 @@ import { For, Show, createMemo, createSignal, type Component } from "solid-js"
 import Switch from "@suid/material/Switch"
 import type { Instance, RawMcpStatus } from "../types/instance"
 import { useOptionalInstanceMetadataContext } from "../lib/contexts/instance-metadata-context"
+import { useI18n } from "../lib/i18n"
 import { getLogger } from "../lib/logger"
 
 const log = getLogger("session")
@@ -42,6 +43,7 @@ function parseMcpStatus(status?: RawMcpStatus): ParsedMcpStatus[] {
 }
 
 const InstanceServiceStatus: Component<InstanceServiceStatusProps> = (props) => {
+  const { t } = useI18n()
   const metadataContext = useOptionalInstanceMetadataContext()
   const instance = metadataContext?.instance ?? (() => {
     if (props.initialInstance) {
@@ -112,12 +114,12 @@ const InstanceServiceStatus: Component<InstanceServiceStatusProps> = (props) =>
     <section class="space-y-1.5">
       <Show when={showHeadings()}>
         <div class="text-xs font-medium text-muted uppercase tracking-wide">
-          LSP Servers
+          {t("instanceServiceStatus.sections.lsp")}
         </div>
       </Show>
       <Show
         when={!isLspLoading() && lspServers().length > 0}
-        fallback={renderEmptyState(isLspLoading() ? "Loading LSP servers..." : "No LSP servers detected.")}
+        fallback={renderEmptyState(isLspLoading() ? t("instanceServiceStatus.lsp.loading") : t("instanceServiceStatus.lsp.empty"))}
       >
         <div class="space-y-1.5">
           <For each={lspServers()}>
@@ -132,7 +134,11 @@ const InstanceServiceStatus: Component<InstanceServiceStatusProps> = (props) =>
                   </div>
                   <div class="flex items-center gap-1.5 flex-shrink-0 text-xs text-secondary">
                     <div class={`status-dot ${server.status === "connected" ? "ready animate-pulse" : "error"}`} />
-                    <span>{server.status === "connected" ? "Connected" : "Error"}</span>
+                    <span>
+                      {server.status === "connected"
+                        ? t("instanceServiceStatus.lsp.status.connected")
+                        : t("instanceServiceStatus.lsp.status.error")}
+                    </span>
                   </div>
                 </div>
               </div>
@@ -147,12 +153,12 @@ const InstanceServiceStatus: Component<InstanceServiceStatusProps> = (props) =>
     <section class="space-y-1.5">
       <Show when={showHeadings()}>
         <div class="text-xs font-medium text-muted uppercase tracking-wide">
-          MCP Servers
+          {t("instanceServiceStatus.sections.mcp")}
         </div>
       </Show>
       <Show
         when={!isMcpLoading() && mcpServers().length > 0}
-        fallback={renderEmptyState(isMcpLoading() ? "Loading MCP servers..." : "No MCP servers detected.")}
+        fallback={renderEmptyState(isMcpLoading() ? t("instanceServiceStatus.mcp.loading") : t("instanceServiceStatus.mcp.empty"))}
       >
         <div class="space-y-1.5">
           <For each={mcpServers()}>
@@ -192,7 +198,7 @@ const InstanceServiceStatus: Component<InstanceServiceStatusProps> = (props) =>
                             disabled={switchDisabled()}
                             color="success"
                             size="small"
-                            inputProps={{ "aria-label": `Toggle ${server.name} MCP server` }}
+                            inputProps={{ "aria-label": t("instanceServiceStatus.mcp.toggleAriaLabel", { name: server.name }) }}
                             onChange={(_, checked) => {
                               if (switchDisabled()) return
                               void toggleMcpServer(server.name, Boolean(checked))
@@ -222,12 +228,12 @@ const InstanceServiceStatus: Component<InstanceServiceStatusProps> = (props) =>
     <section class="space-y-1.5">
       <Show when={showHeadings()}>
         <div class="text-xs font-medium text-muted uppercase tracking-wide">
-          Plugins
+          {t("instanceServiceStatus.sections.plugins")}
         </div>
       </Show>
       <Show
         when={!isPluginsLoading() && plugins().length > 0}
-        fallback={renderEmptyState(isPluginsLoading() ? "Loading plugins..." : "No plugins configured.")}
+        fallback={renderEmptyState(isPluginsLoading() ? t("instanceServiceStatus.plugins.loading") : t("instanceServiceStatus.plugins.empty"))}
       >
         <div class="space-y-1.5">
           <For each={plugins()}>

packages/ui/src/components/instance-tab.tsx

@@ -2,6 +2,7 @@ import { Component, createMemo } from "solid-js"
 import type { Instance } from "../types/instance"
 import { getInstanceSessionIndicatorStatus } from "../stores/session-status"
 import { FolderOpen, ShieldAlert, X } from "lucide-solid"
+import { useI18n } from "../lib/i18n"
 
 interface InstanceTabProps {
   instance: Instance
@@ -27,6 +28,7 @@ function formatFolderName(path: string, instances: Instance[], currentInstance:
 }
 
 const InstanceTab: Component<InstanceTabProps> = (props) => {
+  const { t } = useI18n()
   const aggregatedStatus = createMemo(() => getInstanceSessionIndicatorStatus(props.instance.id))
   const statusClassName = createMemo(() => {
     const status = aggregatedStatus()
@@ -35,13 +37,13 @@ const InstanceTab: Component<InstanceTabProps> = (props) => {
   const statusTitle = createMemo(() => {
     switch (aggregatedStatus()) {
       case "permission":
-        return "Waiting on permission"
+        return t("instanceTab.status.permission")
       case "compacting":
-        return "Compacting"
+        return t("instanceTab.status.compacting")
       case "working":
-        return "Working"
+        return t("instanceTab.status.working")
       default:
-        return "Idle"
+        return t("instanceTab.status.idle")
     }
   })
 
@@ -61,7 +63,7 @@ const InstanceTab: Component<InstanceTabProps> = (props) => {
         <span
           class={`status-indicator session-status ml-auto ${statusClassName()}`}
           title={statusTitle()}
-          aria-label={`Instance status: ${statusTitle()}`}
+          aria-label={t("instanceTab.status.ariaLabel", { status: statusTitle() })}
         >
           {aggregatedStatus() === "permission" ? (
             <ShieldAlert class="w-3.5 h-3.5" aria-hidden="true" />
@@ -77,7 +79,7 @@ const InstanceTab: Component<InstanceTabProps> = (props) => {
           }}
           role="button"
           tabIndex={0}
-          aria-label="Close instance"
+          aria-label={t("instanceTab.actions.close.ariaLabel")}
         >
           <X class="w-3 h-3" />
         </span>

packages/ui/src/components/instance-tabs.tsx

@@ -4,6 +4,8 @@ import InstanceTab from "./instance-tab"
 import KeyboardHint from "./keyboard-hint"
 import { Plus, MonitorUp } from "lucide-solid"
 import { keyboardRegistry } from "../lib/keyboard-registry"
+import { useI18n } from "../lib/i18n"
+import { ThemeModeToggle } from "./theme-mode-toggle"
 
 interface InstanceTabsProps {
   instances: Map<string, Instance>
@@ -15,6 +17,7 @@ interface InstanceTabsProps {
 }
 
 const InstanceTabs: Component<InstanceTabsProps> = (props) => {
+  const { t } = useI18n()
   return (
     <div class="tab-bar tab-bar-instance">
       <div class="tab-container" role="tablist">
@@ -34,8 +37,8 @@ const InstanceTabs: Component<InstanceTabsProps> = (props) => {
               <button
                 class="new-tab-button"
                 onClick={props.onNew}
-                title="New instance (Cmd/Ctrl+N)"
-                aria-label="New instance"
+                title={t("instanceTabs.new.title")}
+                aria-label={t("instanceTabs.new.ariaLabel")}
               >
                 <Plus class="w-4 h-4" />
               </button>
@@ -50,12 +53,13 @@ const InstanceTabs: Component<InstanceTabsProps> = (props) => {
                 />
               </div>
             </Show>
+            <ThemeModeToggle class="new-tab-button" />
             <Show when={Boolean(props.onOpenRemoteAccess)}>
               <button
                 class="new-tab-button tab-remote-button"
                 onClick={() => props.onOpenRemoteAccess?.()}
-                title="Remote connect"
-                aria-label="Remote connect"
+                title={t("instanceTabs.remote.title")}
+                aria-label={t("instanceTabs.remote.ariaLabel")}
               >
                 <MonitorUp class="w-4 h-4" />
               </button>

packages/ui/src/components/instance-welcome-view.tsx

@@ -9,6 +9,7 @@ import SessionRenameDialog from "./session-rename-dialog"
 import { keyboardRegistry, type KeyboardShortcut } from "../lib/keyboard-registry"
 import { isMac } from "../lib/keyboard-utils"
 import { showToastNotification } from "../lib/notifications"
+import { useI18n } from "../lib/i18n"
 import { getLogger } from "../lib/logger"
 const log = getLogger("actions")
 
@@ -19,6 +20,7 @@ interface InstanceWelcomeViewProps {
 }
 
 const InstanceWelcomeView: Component<InstanceWelcomeViewProps> = (props) => {
+  const { t } = useI18n()
   const [isCreating, setIsCreating] = createSignal(false)
   const [selectedIndex, setSelectedIndex] = createSignal(0)
   const [focusMode, setFocusMode] = createSignal<"sessions" | "new-session" | null>("sessions")
@@ -47,7 +49,7 @@ const InstanceWelcomeView: Component<InstanceWelcomeViewProps> = (props) => {
         ctrl: !isMac(),
       },
       handler: () => {},
-      description: "New Session",
+      description: t("instanceWelcome.shortcuts.newSession"),
       context: "global",
     }
   })
@@ -248,10 +250,10 @@ const InstanceWelcomeView: Component<InstanceWelcomeViewProps> = (props) => {
     const hours = Math.floor(minutes / 60)
     const days = Math.floor(hours / 24)
 
-    if (days > 0) return `${days}d ago`
-    if (hours > 0) return `${hours}h ago`
-    if (minutes > 0) return `${minutes}m ago`
-    return "just now"
+    if (days > 0) return t("time.relative.daysAgoShort", { count: days })
+    if (hours > 0) return t("time.relative.hoursAgoShort", { count: hours })
+    if (minutes > 0) return t("time.relative.minutesAgoShort", { count: minutes })
+    return t("time.relative.justNow")
   }
 
   function formatTimestamp(timestamp: number): string {
@@ -291,7 +293,7 @@ const InstanceWelcomeView: Component<InstanceWelcomeViewProps> = (props) => {
       setRenameTarget(null)
     } catch (error) {
       log.error("Failed to rename session:", error)
-      showToastNotification({ message: "Unable to rename session", variant: "error" })
+      showToastNotification({ message: t("instanceWelcome.toasts.renameError"), variant: "error" })
     } finally {
       setIsRenaming(false)
     }
@@ -333,11 +335,11 @@ const InstanceWelcomeView: Component<InstanceWelcomeViewProps> = (props) => {
                         />
                       </svg>
                     </div>
-                    <p class="panel-empty-state-title">No Previous Sessions</p>
-                    <p class="panel-empty-state-description">Create a new session below to get started</p>
+                    <p class="panel-empty-state-title">{t("instanceWelcome.empty.title")}</p>
+                    <p class="panel-empty-state-description">{t("instanceWelcome.empty.description")}</p>
                     <Show when={!isDesktopLayout() && !showInstanceInfoOverlay()}>
                       <button type="button" class="button-tertiary mt-4 lg:hidden" onClick={openInstanceInfoOverlay}>
-                        View Instance Info
+                        {t("instanceWelcome.actions.viewInstanceInfo")}
                       </button>
                     </Show>
                   </div>
@@ -347,8 +349,8 @@ const InstanceWelcomeView: Component<InstanceWelcomeViewProps> = (props) => {
                   <div class="panel-empty-state-icon">
                     <Loader2 class="w-12 h-12 mx-auto animate-spin text-muted" />
                   </div>
-                  <p class="panel-empty-state-title">Loading Sessions</p>
-                  <p class="panel-empty-state-description">Fetching your previous sessions...</p>
+                  <p class="panel-empty-state-title">{t("instanceWelcome.loading.title")}</p>
+                  <p class="panel-empty-state-description">{t("instanceWelcome.loading.description")}</p>
                 </div>
               </Show>
             }
@@ -357,9 +359,11 @@ const InstanceWelcomeView: Component<InstanceWelcomeViewProps> = (props) => {
               <div class="panel-header">
                 <div class="flex flex-row flex-wrap items-center gap-2 justify-between">
                   <div>
-                    <h2 class="panel-title">Resume Session</h2>
+                    <h2 class="panel-title">{t("instanceWelcome.resume.title")}</h2>
                     <p class="panel-subtitle">
-                      {parentSessions().length} {parentSessions().length === 1 ? "session" : "sessions"} available
+                      {parentSessions().length === 1
+                        ? t("instanceWelcome.resume.subtitle.one", { count: parentSessions().length })
+                        : t("instanceWelcome.resume.subtitle.other", { count: parentSessions().length })}
                     </p>
                   </div>
                   <Show when={!isDesktopLayout() && !showInstanceInfoOverlay()}>
@@ -368,7 +372,7 @@ const InstanceWelcomeView: Component<InstanceWelcomeViewProps> = (props) => {
                       class="button-tertiary lg:hidden flex-shrink-0"
                       onClick={openInstanceInfoOverlay}
                     >
-                      View Instance Info
+                      {t("instanceWelcome.actions.viewInstanceInfo")}
                     </button>
                   </Show>
                 </div>
@@ -404,7 +408,7 @@ const InstanceWelcomeView: Component<InstanceWelcomeViewProps> = (props) => {
                                       "text-accent": isFocused(),
                                     }}
                                   >
-                                    {session.title || "Untitled Session"}
+                                    {session.title || t("instanceWelcome.session.untitled")}
                                   </span>
                                 </div>
                                 <div class="flex items-center gap-3 text-xs text-muted mt-0.5">
@@ -421,7 +425,7 @@ const InstanceWelcomeView: Component<InstanceWelcomeViewProps> = (props) => {
                               <button
                                 type="button"
                                 class="p-1.5 rounded transition-colors text-muted hover:text-primary focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-accent"
-                                title="Rename session"
+                                title={t("instanceWelcome.actions.renameTitle")}
                                 onClick={(event) => {
                                   event.preventDefault()
                                   event.stopPropagation()
@@ -433,7 +437,7 @@ const InstanceWelcomeView: Component<InstanceWelcomeViewProps> = (props) => {
                               <button
                                 type="button"
                                 class="p-1.5 rounded transition-colors text-muted hover:text-red-500 dark:hover:text-red-400 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-accent"
-                                title="Delete session"
+                                title={t("instanceWelcome.actions.deleteTitle")}
                                 disabled={isSessionDeleting(session.id)}
                                 onClick={(event) => {
                                   event.preventDefault()
@@ -470,8 +474,8 @@ const InstanceWelcomeView: Component<InstanceWelcomeViewProps> = (props) => {
 
           <div class="panel flex-shrink-0">
             <div class="panel-header">
-              <h2 class="panel-title">Start New Session</h2>
-              <p class="panel-subtitle">We’ll reuse your last agent/model automatically</p>
+              <h2 class="panel-title">{t("instanceWelcome.new.title")}</h2>
+              <p class="panel-subtitle">{t("instanceWelcome.new.subtitle")}</p>
             </div>
             <div class="panel-body">
               <div class="space-y-3">
@@ -496,7 +500,7 @@ const InstanceWelcomeView: Component<InstanceWelcomeViewProps> = (props) => {
                         <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4" />
                       </svg>
                     )}
-                    <span>Create Session</span>
+                    <span>{t("instanceWelcome.new.createButton")}</span>
                   </div>
                   <Kbd shortcut={newSessionShortcutString()} class="ml-2" />
                 </button>
@@ -524,7 +528,7 @@ const InstanceWelcomeView: Component<InstanceWelcomeViewProps> = (props) => {
             >
               <div class="flex justify-end">
                 <button type="button" class="button-tertiary" onClick={closeInstanceInfoOverlay}>
-                  Close
+                  {t("instanceWelcome.overlay.close")}
                 </button>
               </div>
               <div class="max-h-[85vh] overflow-y-auto pr-1">
@@ -541,25 +545,25 @@ const InstanceWelcomeView: Component<InstanceWelcomeViewProps> = (props) => {
           <div class="flex items-center gap-1.5">
             <kbd class="kbd">↑</kbd>
             <kbd class="kbd">↓</kbd>
-            <span>Navigate</span>
+            <span>{t("instanceWelcome.hints.navigate")}</span>
           </div>
           <div class="flex items-center gap-1.5">
             <kbd class="kbd">PgUp</kbd>
             <kbd class="kbd">PgDn</kbd>
-            <span>Jump</span>
+            <span>{t("instanceWelcome.hints.jump")}</span>
           </div>
           <div class="flex items-center gap-1.5">
             <kbd class="kbd">Home</kbd>
             <kbd class="kbd">End</kbd>
-            <span>First/Last</span>
+            <span>{t("instanceWelcome.hints.firstLast")}</span>
           </div>
           <div class="flex items-center gap-1.5">
             <kbd class="kbd">Enter</kbd>
-            <span>Resume</span>
+            <span>{t("instanceWelcome.hints.resume")}</span>
           </div>
           <div class="flex items-center gap-1.5">
             <kbd class="kbd">Del</kbd>
-            <span>Delete</span>
+            <span>{t("instanceWelcome.hints.delete")}</span>
           </div>
         </div>
       </div>

packages/ui/src/components/instance/instance-shell2.tsx

@@ -15,7 +15,6 @@ import { Accordion } from "@kobalte/core"
 import { ChevronDown, TerminalSquare, Trash2, XOctagon } from "lucide-solid"
 import AppBar from "@suid/material/AppBar"
 import Box from "@suid/material/Box"
-import Divider from "@suid/material/Divider"
 import Drawer from "@suid/material/Drawer"
 import IconButton from "@suid/material/IconButton"
 import Toolbar from "@suid/material/Toolbar"
@@ -48,15 +47,16 @@ import { clearSessionRenderCache } from "../message-block"
 import { isOpen as isCommandPaletteOpen, hideCommandPalette, showCommandPalette } from "../../stores/command-palette"
 import SessionList from "../session-list"
 import KeyboardHint from "../keyboard-hint"
+import Kbd from "../kbd"
 import InstanceWelcomeView from "../instance-welcome-view"
 import InfoView from "../info-view"
 import InstanceServiceStatus from "../instance-service-status"
 import AgentSelector from "../agent-selector"
 import ModelSelector from "../model-selector"
+import ThinkingSelector from "../thinking-selector"
 import CommandPalette from "../command-palette"
 import PermissionNotificationBanner from "../permission-notification-banner"
 import PermissionApprovalModal from "../permission-approval-modal"
-import Kbd from "../kbd"
 import { TodoListView } from "../tool-call/renderers/todo"
 import ContextUsagePanel from "../session/context-usage-panel"
 import SessionView from "../session/session-view"
@@ -66,6 +66,7 @@ import { getLogger } from "../../lib/logger"
 import { serverApi } from "../../lib/api-client"
 import { getBackgroundProcesses, loadBackgroundProcesses } from "../../stores/background-processes"
 import { BackgroundProcessOutputDialog } from "../background-process-output-dialog"
+import { useI18n } from "../../lib/i18n"
 import {
   SESSION_SIDEBAR_EVENT,
   type SessionSidebarRequestAction,
@@ -86,9 +87,9 @@ interface InstanceShellProps {
   tabBarOffset: number
 }
 
-const DEFAULT_SESSION_SIDEBAR_WIDTH = 280
+const DEFAULT_SESSION_SIDEBAR_WIDTH = 340
 const MIN_SESSION_SIDEBAR_WIDTH = 220
-const MAX_SESSION_SIDEBAR_WIDTH = 360
+const MAX_SESSION_SIDEBAR_WIDTH = 400
 const RIGHT_DRAWER_WIDTH = 260
 const MIN_RIGHT_DRAWER_WIDTH = 200
 const MAX_RIGHT_DRAWER_WIDTH = 380
@@ -120,6 +121,8 @@ function persistPinState(side: "left" | "right", value: boolean) {
 }
 
 const InstanceShell2: Component<InstanceShellProps> = (props) => {
+  const { t } = useI18n()
+
   const [sessionSidebarWidth, setSessionSidebarWidth] = createSignal(DEFAULT_SESSION_SIDEBAR_WIDTH)
   const [rightDrawerWidth, setRightDrawerWidth] = createSignal(RIGHT_DRAWER_WIDTH)
   const [leftPinned, setLeftPinned] = createSignal(true)
@@ -356,6 +359,14 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
     return "disconnected"
   }
 
+  const connectionStatusLabel = () => {
+    const status = connectionStatus()
+    if (status === "connected") return t("instanceShell.connection.connected")
+    if (status === "connecting") return t("instanceShell.connection.connecting")
+    if (status === "error" || status === "disconnected") return t("instanceShell.connection.disconnected")
+    return t("instanceShell.connection.unknown")
+  }
+
   const handleCommandPaletteClick = () => {
     showCommandPalette(props.instance.id)
   }
@@ -432,6 +443,14 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
     return true
   }
 
+  const focusVariantSelectorControl = () => {
+    const input = leftDrawerContentEl()?.querySelector<HTMLInputElement>("[data-thinking-selector]")
+    if (!input) return false
+    input.focus()
+    setTimeout(() => triggerKeyboardEvent(input, { key: "ArrowDown", code: "ArrowDown", keyCode: 40 }), 10)
+    return true
+  }
+
   createEffect(() => {
     const pending = pendingSidebarAction()
     if (!pending) return
@@ -444,7 +463,12 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
       setPendingSidebarAction(null)
       return
     }
-    const handled = action === "focus-agent-selector" ? focusAgentSelectorControl() : focusModelSelectorControl()
+    const handled =
+      action === "focus-agent-selector"
+        ? focusAgentSelectorControl()
+        : action === "focus-model-selector"
+          ? focusModelSelectorControl()
+          : focusVariantSelectorControl()
     if (handled) {
       setPendingSidebarAction(null)
     }
@@ -702,16 +726,16 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
 
   const leftAppBarButtonLabel = () => {
     const state = leftDrawerState()
-    if (state === "pinned") return "Left drawer pinned"
-    if (state === "floating-closed") return "Open left drawer"
-    return "Close left drawer"
+    if (state === "pinned") return t("instanceShell.leftDrawer.toggle.pinned")
+    if (state === "floating-closed") return t("instanceShell.leftDrawer.toggle.open")
+    return t("instanceShell.leftDrawer.toggle.close")
   }
 
   const rightAppBarButtonLabel = () => {
     const state = rightDrawerState()
-    if (state === "pinned") return "Right drawer pinned"
-    if (state === "floating-closed") return "Open right drawer"
-    return "Close right drawer"
+    if (state === "pinned") return t("instanceShell.rightDrawer.toggle.pinned")
+    if (state === "floating-closed") return t("instanceShell.rightDrawer.toggle.open")
+    return t("instanceShell.rightDrawer.toggle.close")
   }
 
   const leftAppBarButtonIcon = () => {
@@ -841,19 +865,21 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
     <div class="flex flex-col h-full min-h-0" ref={setLeftDrawerContentEl}>
       <div class="flex items-start justify-between gap-2 px-4 py-3 border-b border-base">
         <div class="flex flex-col gap-1">
-          <span class="session-sidebar-title text-sm font-semibold uppercase text-primary">Sessions</span>
+          <span class="session-sidebar-title text-sm font-semibold uppercase text-primary">
+            {t("instanceShell.leftPanel.sessionsTitle")}
+          </span>
           <div class="session-sidebar-shortcuts">
             <Show when={keyboardShortcuts().length}>
               <KeyboardHint shortcuts={keyboardShortcuts()} separator=" " showDescription={false} />
             </Show>
           </div>
         </div>
-        <div class="flex items-center gap-2">
+        <div class="flex items-center gap-2 text-primary">
           <IconButton
             size="small"
             color="inherit"
-            aria-label="Instance Info"
-            title="Instance Info"
+            aria-label={t("instanceShell.leftPanel.instanceInfo")}
+            title={t("instanceShell.leftPanel.instanceInfo")}
             onClick={() => handleSessionSelect("info")}
           >
             <InfoOutlinedIcon fontSize="small" />
@@ -862,7 +888,7 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
             <IconButton
               size="small"
               color="inherit"
-              aria-label={leftPinned() ? "Unpin left drawer" : "Pin left drawer"}
+              aria-label={leftPinned() ? t("instanceShell.leftDrawer.unpin") : t("instanceShell.leftDrawer.pin")}
               onClick={() => (leftPinned() ? unpinLeftDrawer() : pinLeftDrawer())}
             >
               {leftPinned() ? <PushPinIcon fontSize="small" /> : <PushPinOutlinedIcon fontSize="small" />}
@@ -884,11 +910,12 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
               void result.catch((error) => log.error("Failed to create session:", error))
             }
           }}
+          enableFilterBar
           showHeader={false}
           showFooter={false}
         />
 
-        <Divider />
+        <div class="session-sidebar-separator" />
         <Show when={activeSessionForInstance()}>
           {(activeSession) => (
             <>
@@ -901,21 +928,20 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
                   onAgentChange={(agent) => props.handleSidebarAgentChange(activeSession().id, agent)}
                 />
 
-                <div class="sidebar-selector-hints" aria-hidden="true">
-                  <span class="hint sidebar-selector-hint sidebar-selector-hint--left">
-                    <Kbd shortcut="cmd+shift+a" />
-                  </span>
-                  <span class="hint sidebar-selector-hint sidebar-selector-hint--right">
-                    <Kbd shortcut="cmd+shift+m" />
-                  </span>
-                </div>
-
                 <ModelSelector
                   instanceId={props.instance.id}
                   sessionId={activeSession().id}
                   currentModel={activeSession().model}
                   onModelChange={(model) => props.handleSidebarModelChange(activeSession().id, model)}
                 />
+
+                <ThinkingSelector instanceId={props.instance.id} currentModel={activeSession().model} />
+
+                <div class="session-sidebar-selector-hints" aria-hidden="true">
+                  <Kbd shortcut="cmd+shift+a" />
+                  <Kbd shortcut="cmd+shift+m" />
+                  <Kbd shortcut="cmd+shift+t" />
+                </div>
               </div>
             </>
           )}
@@ -928,19 +954,19 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
     const renderPlanSectionContent = () => {
       const sessionId = activeSessionIdForInstance()
       if (!sessionId || sessionId === "info") {
-        return <p class="text-xs text-secondary">Select a session to view plan.</p>
+        return <p class="text-xs text-secondary">{t("instanceShell.plan.noSessionSelected")}</p>
       }
       const todoState = latestTodoState()
       if (!todoState) {
-        return <p class="text-xs text-secondary">Nothing planned yet.</p>
+        return <p class="text-xs text-secondary">{t("instanceShell.plan.empty")}</p>
       }
-      return <TodoListView state={todoState} emptyLabel="Nothing planned yet." showStatusLabel={false} />
+      return <TodoListView state={todoState} emptyLabel={t("instanceShell.plan.empty")} showStatusLabel={false} />
     }
 
     const renderBackgroundProcesses = () => {
       const processes = backgroundProcessList()
       if (processes.length === 0) {
-        return <p class="text-xs text-secondary">No background processes.</p>
+        return <p class="text-xs text-secondary">{t("instanceShell.backgroundProcesses.empty")}</p>
       }
 
       return (
@@ -951,9 +977,13 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
                 <div class="flex flex-col gap-1">
                   <span class="text-xs font-semibold text-primary">{process.title}</span>
                   <div class="flex flex-wrap gap-2 text-[11px] text-secondary">
-                    <span>Status: {process.status}</span>
+                    <span>{t("instanceShell.backgroundProcesses.status", { status: process.status })}</span>
                     <Show when={typeof process.outputSizeBytes === "number"}>
-                      <span>Output: {Math.round((process.outputSizeBytes ?? 0) / 1024)}KB</span>
+                      <span>
+                        {t("instanceShell.backgroundProcesses.output", {
+                          sizeKb: Math.round((process.outputSizeBytes ?? 0) / 1024),
+                        })}
+                      </span>
                     </Show>
                   </div>
                 </div>
@@ -962,8 +992,8 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
                     type="button"
                     class="button-tertiary w-full p-1 inline-flex items-center justify-center"
                     onClick={() => openBackgroundOutput(process)}
-                    aria-label="Output"
-                    title="Output"
+                    aria-label={t("instanceShell.backgroundProcesses.actions.output")}
+                    title={t("instanceShell.backgroundProcesses.actions.output")}
                   >
                     <TerminalSquare class="h-4 w-4" />
                   </button>
@@ -972,8 +1002,8 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
                     class="button-tertiary w-full p-1 inline-flex items-center justify-center"
                     disabled={process.status !== "running"}
                     onClick={() => stopBackgroundProcess(process.id)}
-                    aria-label="Stop"
-                    title="Stop"
+                    aria-label={t("instanceShell.backgroundProcesses.actions.stop")}
+                    title={t("instanceShell.backgroundProcesses.actions.stop")}
                   >
                     <XOctagon class="h-4 w-4" />
                   </button>
@@ -981,8 +1011,8 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
                     type="button"
                     class="button-tertiary w-full p-1 inline-flex items-center justify-center"
                     onClick={() => terminateBackgroundProcess(process.id)}
-                    aria-label="Terminate"
-                    title="Terminate"
+                    aria-label={t("instanceShell.backgroundProcesses.actions.terminate")}
+                    title={t("instanceShell.backgroundProcesses.actions.terminate")}
                   >
                     <Trash2 class="h-4 w-4" />
                   </button>
@@ -997,17 +1027,17 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
     const sections = [
       {
         id: "plan",
-        label: "Plan",
+        labelKey: "instanceShell.rightPanel.sections.plan",
         render: renderPlanSectionContent,
       },
       {
         id: "background-processes",
-        label: "Background Shells",
+        labelKey: "instanceShell.rightPanel.sections.backgroundProcesses",
         render: renderBackgroundProcesses,
       },
       {
         id: "mcp",
-        label: "MCP Servers",
+        labelKey: "instanceShell.rightPanel.sections.mcp",
         render: () => (
           <InstanceServiceStatus
             initialInstance={props.instance}
@@ -1019,7 +1049,7 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
       },
       {
         id: "lsp",
-        label: "LSP Servers",
+        labelKey: "instanceShell.rightPanel.sections.lsp",
         render: () => (
           <InstanceServiceStatus
             initialInstance={props.instance}
@@ -1031,7 +1061,7 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
       },
       {
         id: "plugins",
-        label: "Plugins",
+        labelKey: "instanceShell.rightPanel.sections.plugins",
         render: () => (
           <InstanceServiceStatus
             initialInstance={props.instance}
@@ -1057,16 +1087,16 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
 
     return (
       <div class="flex flex-col h-full" ref={setRightDrawerContentEl}>
-        <div class="flex items-center justify-between px-4 py-2 border-b border-base">
-          <Typography variant="subtitle2" class="uppercase tracking-wide text-xs font-semibold">
-            Status Panel
+        <div class="flex items-center justify-between px-4 py-2 border-b border-base text-primary">
+          <Typography variant="subtitle2" class="uppercase tracking-wide text-xs font-semibold text-primary">
+            {t("instanceShell.rightPanel.title")}
           </Typography>
           <div class="flex items-center gap-2">
             <Show when={!isPhoneLayout()}>
               <IconButton
                 size="small"
                 color="inherit"
-                aria-label={rightPinned() ? "Unpin right drawer" : "Pin right drawer"}
+                aria-label={rightPinned() ? t("instanceShell.rightDrawer.unpin") : t("instanceShell.rightDrawer.pin")}
                 onClick={() => (rightPinned() ? unpinRightDrawer() : pinRightDrawer())}
               >
                 {rightPinned() ? <PushPinIcon fontSize="small" /> : <PushPinOutlinedIcon fontSize="small" />}
@@ -1090,7 +1120,7 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
                 >
                   <Accordion.Header>
                     <Accordion.Trigger class="w-full flex items-center justify-between gap-3 px-3 py-2 text-[11px] font-semibold uppercase tracking-wide">
-                      <span>{section.label}</span>
+                      <span>{t(section.labelKey)}</span>
                       <ChevronDown
                         class={`h-4 w-4 transition-transform duration-150 ${isSectionExpanded(section.id) ? "rotate-180" : ""}`}
                       />
@@ -1267,17 +1297,17 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
                       type="button"
                       class="connection-status-button px-2 py-0.5 text-xs"
                       onClick={handleCommandPaletteClick}
-                      aria-label="Open command palette"
+                      aria-label={t("instanceShell.commandPalette.openAriaLabel")}
                       style={{ flex: "0 0 auto", width: "auto" }}
                     >
-                      Command Palette
+                      {t("instanceShell.commandPalette.button")}
                     </button>
                     <span class="connection-status-shortcut-hint">
                       <Kbd shortcut="cmd+shift+p" />
                     </span>
                     <span
                       class={`status-indicator ${connectionStatusClass()}`}
-                      aria-label={`Connection ${connectionStatus()}`}
+                      aria-label={t("instanceShell.connection.ariaLabel", { status: connectionStatusLabel() })}
                     >
                       <span class="status-dot" />
                     </span>
@@ -1300,11 +1330,15 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
 
                 <div class="flex flex-wrap items-center justify-center gap-2 pb-1">
                   <div class="inline-flex items-center gap-1 rounded-full border border-base px-2 py-0.5 text-xs text-primary">
-                    <span class="uppercase text-[10px] tracking-wide text-primary/70">Used</span>
+                    <span class="uppercase text-[10px] tracking-wide text-muted">
+                      {t("instanceShell.metrics.usedLabel")}
+                    </span>
                     <span class="font-semibold text-primary">{formattedUsedTokens()}</span>
                   </div>
                   <div class="inline-flex items-center gap-1 rounded-full border border-base px-2 py-0.5 text-xs text-primary">
-                    <span class="uppercase text-[10px] tracking-wide text-primary/70">Avail</span>
+                    <span class="uppercase text-[10px] tracking-wide text-muted">
+                      {t("instanceShell.metrics.availableLabel")}
+                    </span>
                     <span class="font-semibold text-primary">{formattedAvailableTokens()}</span>
                   </div>
                 </div>
@@ -1326,11 +1360,15 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
 
               <Show when={!showingInfoView()}>
                 <div class="inline-flex items-center gap-1 rounded-full border border-base px-2 py-0.5 text-xs text-primary">
-                  <span class="uppercase text-[10px] tracking-wide text-primary/70">Used</span>
+                  <span class="uppercase text-[10px] tracking-wide text-muted">
+                    {t("instanceShell.metrics.usedLabel")}
+                  </span>
                   <span class="font-semibold text-primary">{formattedUsedTokens()}</span>
                 </div>
                 <div class="inline-flex items-center gap-1 rounded-full border border-base px-2 py-0.5 text-xs text-primary">
-                  <span class="uppercase text-[10px] tracking-wide text-primary/70">Avail</span>
+                  <span class="uppercase text-[10px] tracking-wide text-muted">
+                    {t("instanceShell.metrics.availableLabel")}
+                  </span>
                   <span class="font-semibold text-primary">{formattedAvailableTokens()}</span>
                 </div>
               </Show>
@@ -1346,10 +1384,10 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
                 type="button"
                 class="connection-status-button px-2 py-0.5 text-xs"
                 onClick={handleCommandPaletteClick}
-                aria-label="Open command palette"
+                aria-label={t("instanceShell.commandPalette.openAriaLabel")}
                 style={{ flex: "0 0 auto", width: "auto" }}
               >
-                Command Palette
+                {t("instanceShell.commandPalette.button")}
               </button>
               <span class="connection-status-shortcut-hint">
                 <Kbd shortcut="cmd+shift+p" />
@@ -1364,19 +1402,19 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
                 <Show when={connectionStatus() === "connected"}>
                   <span class="status-indicator connected">
                     <span class="status-dot" />
-                    <span class="status-text">Connected</span>
+                    <span class="status-text">{t("instanceShell.connection.connected")}</span>
                   </span>
                 </Show>
                 <Show when={connectionStatus() === "connecting"}>
                   <span class="status-indicator connecting">
                     <span class="status-dot" />
-                    <span class="status-text">Connecting...</span>
+                    <span class="status-text">{t("instanceShell.connection.connecting")}</span>
                   </span>
                 </Show>
                 <Show when={connectionStatus() === "error" || connectionStatus() === "disconnected"}>
                   <span class="status-indicator disconnected">
                     <span class="status-dot" />
-                    <span class="status-text">Disconnected</span>
+                    <span class="status-text">{t("instanceShell.connection.disconnected")}</span>
                   </span>
                 </Show>
               </div>
@@ -1412,8 +1450,8 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
                 fallback={
                   <div class="flex items-center justify-center h-full">
                     <div class="text-center text-gray-500 dark:text-gray-400">
-                      <p class="mb-2">No session selected</p>
-                      <p class="text-sm">Select a session to view messages</p>
+                      <p class="mb-2">{t("instanceShell.empty.title")}</p>
+                      <p class="text-sm">{t("instanceShell.empty.description")}</p>
                     </div>
                   </div>
                 }

packages/ui/src/components/logs-view.tsx

@@ -1,6 +1,7 @@
 import { Component, For, createSignal, createEffect, Show, onMount, onCleanup, createMemo } from "solid-js"
 import { instances, getInstanceLogs, isInstanceLogStreaming, setInstanceLogStreaming } from "../stores/instances"
 import { ChevronDown } from "lucide-solid"
+import { useI18n } from "../lib/i18n"
 
 interface LogsViewProps {
   instanceId: string
@@ -9,6 +10,7 @@ interface LogsViewProps {
 const logsScrollState = new Map<string, { scrollTop: number; autoScroll: boolean }>()
 
 const LogsView: Component<LogsViewProps> = (props) => {
+  const { t } = useI18n()
   let scrollRef: HTMLDivElement | undefined
   const savedState = logsScrollState.get(props.instanceId)
   const [autoScroll, setAutoScroll] = createSignal(savedState?.autoScroll ?? false)
@@ -83,18 +85,18 @@ const LogsView: Component<LogsViewProps> = (props) => {
   return (
     <div class="log-container">
       <div class="log-header">
-        <h3 class="text-sm font-medium" style="color: var(--text-secondary)">Server Logs</h3>
+        <h3 class="text-sm font-medium" style="color: var(--text-secondary)">{t("logsView.title")}</h3>
         <div class="flex items-center gap-2">
           <Show
             when={streamingEnabled()}
             fallback={
               <button type="button" class="button-tertiary" onClick={handleEnableLogs}>
-                Show server logs
+                {t("logsView.actions.show")}
               </button>
             }
           >
             <button type="button" class="button-tertiary" onClick={handleDisableLogs}>
-              Hide server logs
+              {t("logsView.actions.hide")}
             </button>
           </Show>
         </div>
@@ -103,7 +105,7 @@ const LogsView: Component<LogsViewProps> = (props) => {
       <Show when={instance()?.environmentVariables && Object.keys(instance()?.environmentVariables!).length > 0}>
         <div class="env-vars-container">
           <div class="env-vars-title">
-            Environment Variables ({Object.keys(instance()?.environmentVariables!).length})
+            {t("logsView.envVars.title", { count: Object.keys(instance()?.environmentVariables!).length })}
           </div>
           <div class="space-y-1">
             <For each={Object.entries(instance()?.environmentVariables!)}>
@@ -130,17 +132,17 @@ const LogsView: Component<LogsViewProps> = (props) => {
           when={streamingEnabled()}
           fallback={
             <div class="log-paused-state">
-              <p class="log-paused-title">Server logs are paused</p>
-              <p class="log-paused-description">Enable streaming to watch your OpenCode server activity.</p>
+              <p class="log-paused-title">{t("logsView.paused.title")}</p>
+              <p class="log-paused-description">{t("logsView.paused.description")}</p>
               <button type="button" class="button-primary" onClick={handleEnableLogs}>
-                Show server logs
+                {t("logsView.actions.show")}
               </button>
             </div>
           }
         >
           <Show
             when={logs().length > 0}
-            fallback={<div class="log-empty-state">Waiting for server output...</div>}
+            fallback={<div class="log-empty-state">{t("logsView.empty.waiting")}</div>}
           >
             <For each={logs()}>
               {(entry) => (
@@ -160,7 +162,7 @@ const LogsView: Component<LogsViewProps> = (props) => {
           class="scroll-to-bottom"
         >
           <ChevronDown class="w-4 h-4" />
-          Scroll to bottom
+          {t("logsView.scrollToBottom")}
         </button>
       </Show>
     </div>

packages/ui/src/components/markdown.tsx

@@ -1,9 +1,10 @@
 import { createEffect, createMemo, createSignal, onCleanup, onMount } from "solid-js"
-import { renderMarkdown, onLanguagesLoaded, decodeHtmlEntities } from "../lib/markdown"
+import { renderMarkdown, onLanguagesLoaded, decodeHtmlEntities, setMarkdownTheme } from "../lib/markdown"
 import { useGlobalCache } from "../lib/hooks/use-global-cache"
 import type { TextPart, RenderCache } from "../types/message"
 import { getLogger } from "../lib/logger"
 import { copyToClipboard } from "../lib/clipboard"
+import { useI18n } from "../lib/i18n"
 
 const log = getLogger("session")
 
@@ -34,6 +35,7 @@ interface MarkdownProps {
 }
 
 export function Markdown(props: MarkdownProps) {
+  const { t } = useI18n()
   const [html, setHtml] = createSignal("")
   let containerRef: HTMLDivElement | undefined
   let latestRequestedText = ""
@@ -70,6 +72,9 @@ export function Markdown(props: MarkdownProps) {
   createEffect(async () => {
     const { part, text, themeKey, highlightEnabled, version } = resolved()
 
+    // Ensure the markdown highlighter theme matches the active UI theme.
+    setMarkdownTheme(themeKey === "dark")
+
     latestRequestedText = text
 
     const cacheMatches = (cache: RenderCache | undefined) => {
@@ -145,14 +150,14 @@ export function Markdown(props: MarkdownProps) {
           const copyText = copyButton.querySelector(".copy-text")
           if (copyText) {
             if (success) {
-              copyText.textContent = "Copied!"
+              copyText.textContent = t("markdown.codeBlock.copy.copied")
               setTimeout(() => {
-                copyText.textContent = "Copy"
+                copyText.textContent = t("markdown.codeBlock.copy.label")
               }, 2000)
             } else {
-              copyText.textContent = "Failed"
+              copyText.textContent = t("markdown.codeBlock.copy.failed")
               setTimeout(() => {
-                copyText.textContent = "Copy"
+                copyText.textContent = t("markdown.codeBlock.copy.label")
               }, 2000)
             }
           }
@@ -169,6 +174,8 @@ export function Markdown(props: MarkdownProps) {
 
       const { part, text, themeKey, version } = resolved()
 
+      setMarkdownTheme(themeKey === "dark")
+
       if (latestRequestedText !== text) {
         return
       }

packages/ui/src/components/message-block.tsx

@@ -1,5 +1,5 @@
 import { For, Match, Show, Switch, createEffect, createMemo, createSignal, untrack } from "solid-js"
-import { FoldVertical } from "lucide-solid"
+import { ExternalLink, FoldVertical, Trash2 } from "lucide-solid"
 import MessageItem from "./message-item"
 import ToolCall from "./tool-call"
 import type { InstanceMessageStore } from "../stores/message-v2/instance-store"
@@ -11,6 +11,9 @@ import { messageStoreBus } from "../stores/message-v2/bus"
 import { formatTokenTotal } from "../lib/formatters"
 import { sessions, setActiveParentSession, setActiveSession } from "../stores/sessions"
 import { setActiveInstanceId } from "../stores/instances"
+import { showAlertDialog } from "../stores/alerts"
+import { deleteMessagePart } from "../stores/session-actions"
+import { useI18n } from "../lib/i18n"
 
 const TOOL_ICON = "🔧"
 const USER_BORDER_COLOR = "var(--message-user-border)"
@@ -171,21 +174,256 @@ messageStoreBus.onInstanceDestroyed(clearInstanceCaches)
 interface ContentDisplayItem {
   type: "content"
   key: string
-  record: MessageRecord
-  parts: ClientPart[]
-  messageInfo?: MessageInfo
-  isQueued: boolean
-  showAgentMeta?: boolean
+  messageId: string
+  startPartId: string
 }
 
 interface ToolDisplayItem {
   type: "tool"
   key: string
-  toolPart: ToolCallPart
-  messageInfo?: MessageInfo
   messageId: string
-  messageVersion: number
-  partVersion: number
+  partId: string
+}
+
+interface MessageContentItemProps {
+  instanceId: string
+  sessionId: string
+  store: () => InstanceMessageStore
+  messageId: string
+  startPartId: string
+  messageIndex: number
+  lastAssistantIndex: () => number
+  onRevert?: (messageId: string) => void
+  onFork?: (messageId?: string) => void
+  onContentRendered?: () => void
+}
+
+function MessageContentItem(props: MessageContentItemProps) {
+  const record = createMemo(() => props.store().getMessage(props.messageId))
+  const messageInfo = createMemo(() => props.store().getMessageInfo(props.messageId))
+
+  const isQueued = createMemo(() => {
+    const current = record()
+    if (!current) return false
+    if (current.role !== "user") return false
+    const lastAssistant = props.lastAssistantIndex()
+    return lastAssistant === -1 || props.messageIndex > lastAssistant
+  })
+
+  const parts = createMemo<ClientPart[]>(() => {
+    const current = record()
+    if (!current) return []
+    const ids = current.partIds
+    const startIndex = ids.indexOf(props.startPartId)
+    if (startIndex === -1) return []
+
+    const resolved: ClientPart[] = []
+    for (let idx = startIndex; idx < ids.length; idx++) {
+      const partId = ids[idx]
+      const part = current.parts[partId]?.data
+      if (!part) continue
+      if (
+        part.type === "tool" ||
+        part.type === "reasoning" ||
+        part.type === "compaction" ||
+        part.type === "step-start" ||
+        part.type === "step-finish"
+      ) {
+        break
+      }
+      resolved.push(part)
+    }
+
+    return resolved
+  })
+
+  const showAgentMeta = createMemo(() => {
+    const current = record()
+    if (!current) return false
+    if (current.role !== "assistant") return false
+
+    const currentParts = parts()
+    if (!currentParts.some((part) => partHasRenderableText(part))) {
+      return false
+    }
+
+    const ids = current.partIds
+    const startIndex = ids.indexOf(props.startPartId)
+    if (startIndex === -1) return false
+
+    // Only show agent meta on the first content segment that contains renderable content.
+    for (let idx = 0; idx < startIndex; idx++) {
+      const partId = ids[idx]
+      const part = current.parts[partId]?.data
+      if (!part) continue
+      if (
+        part.type === "tool" ||
+        part.type === "reasoning" ||
+        part.type === "compaction" ||
+        part.type === "step-start" ||
+        part.type === "step-finish"
+      ) {
+        continue
+      }
+      if (partHasRenderableText(part)) {
+        return false
+      }
+    }
+
+    return true
+  })
+
+  return (
+    <Show when={record()}>
+      {(resolvedRecord) => (
+        <MessageItem
+          record={resolvedRecord()}
+          messageInfo={messageInfo()}
+          parts={parts()}
+          instanceId={props.instanceId}
+          sessionId={props.sessionId}
+          isQueued={isQueued()}
+          showAgentMeta={showAgentMeta()}
+          onRevert={props.onRevert}
+          onFork={props.onFork}
+          onContentRendered={props.onContentRendered}
+        />
+      )}
+    </Show>
+  )
+}
+
+interface ToolCallItemProps {
+  instanceId: string
+  sessionId: string
+  store: () => InstanceMessageStore
+  messageId: string
+  partId: string
+  onContentRendered?: () => void
+}
+
+function ToolCallItem(props: ToolCallItemProps) {
+  const { t } = useI18n()
+  const [deleting, setDeleting] = createSignal(false)
+
+  const record = createMemo(() => props.store().getMessage(props.messageId))
+  const messageInfo = createMemo(() => props.store().getMessageInfo(props.messageId))
+  const partEntry = createMemo(() => record()?.parts?.[props.partId])
+
+  const toolPart = createMemo(() => {
+    const part = partEntry()?.data as ClientPart | undefined
+    if (!part || part.type !== "tool") return undefined
+    return part as ToolCallPart
+  })
+
+  const toolState = createMemo(() => toolPart()?.state as ToolState | undefined)
+  const toolName = createMemo(() => toolPart()?.tool || "")
+  const messageVersion = createMemo(() => record()?.revision ?? 0)
+  const partVersion = createMemo(() => partEntry()?.revision ?? 0)
+
+  const deleteDisabled = createMemo(() => {
+    if (deleting()) return true
+    // Avoid deleting while a tool is actively running to prevent confusing UI states.
+    if (isToolStateRunning(toolState())) return true
+    // Avoid deleting permission prompts from here; those are interactive.
+    return Boolean(toolPart()?.pendingPermission)
+  })
+
+  const taskSessionId = createMemo(() => {
+    const state = toolState()
+    if (!state) return ""
+    if (!(isToolStateRunning(state) || isToolStateCompleted(state) || isToolStateError(state))) {
+      return ""
+    }
+    return extractTaskSessionId(state)
+  })
+
+  const taskLocation = createMemo(() => {
+    const id = taskSessionId()
+    if (!id) return null
+    return findTaskSessionLocation(id, props.instanceId)
+  })
+
+  const handleGoToTaskSession = (event: MouseEvent) => {
+    event.preventDefault()
+    event.stopPropagation()
+    const location = taskLocation()
+    if (!location) return
+    navigateToTaskSession(location)
+  }
+
+  const handleDeleteToolPart = async (event: MouseEvent) => {
+    event.preventDefault()
+    event.stopPropagation()
+
+    if (deleteDisabled()) return
+
+    setDeleting(true)
+    try {
+      await deleteMessagePart(props.instanceId, props.sessionId, props.messageId, props.partId)
+    } catch (error) {
+      showAlertDialog(t("messageBlock.tool.deletePart.failed.message"), {
+        title: t("messageBlock.tool.deletePart.failed.title"),
+        detail: error instanceof Error ? error.message : String(error),
+        variant: "error",
+      })
+    } finally {
+      setDeleting(false)
+    }
+  }
+
+  return (
+    <Show when={toolPart()}>
+      {(resolvedToolPart) => (
+        <>
+          <div class="tool-call-header-label">
+            <div class="tool-call-header-meta">
+              <span class="tool-call-icon">{TOOL_ICON}</span>
+              <span>{t("messageBlock.tool.header")}</span>
+              <span class="tool-name">{toolName() || t("messageBlock.tool.unknown")}</span>
+            </div>
+
+            <div class="flex items-center gap-2">
+              <Show when={taskSessionId()}>
+                <button
+                  class="tool-call-header-button"
+                  type="button"
+                  disabled={!taskLocation()}
+                  onClick={handleGoToTaskSession}
+                  title={t("messageBlock.tool.goToSession.label")}
+                  aria-label={t("messageBlock.tool.goToSession.label")}
+                >
+                  <ExternalLink class="w-3.5 h-3.5" aria-hidden="true" />
+                </button>
+              </Show>
+
+              <button
+                class="tool-call-header-button"
+                type="button"
+                disabled={deleteDisabled()}
+                onClick={handleDeleteToolPart}
+                title={deleting() ? t("messageBlock.tool.deletePart.deleting") : t("messageBlock.tool.deletePart.label")}
+                aria-label={deleting() ? t("messageBlock.tool.deletePart.deleting") : t("messageBlock.tool.deletePart.label")}
+              >
+                <Trash2 class="w-3.5 h-3.5" aria-hidden="true" />
+              </button>
+            </div>
+          </div>
+
+          <ToolCall
+            toolCall={resolvedToolPart()}
+            toolCallId={props.partId}
+            messageId={props.messageId}
+            messageVersion={messageVersion()}
+            partVersion={partVersion()}
+            instanceId={props.instanceId}
+            sessionId={props.sessionId}
+            onContentRendered={props.onContentRendered}
+          />
+        </>
+      )}
+    </Show>
+  )
 }
 
 interface StepDisplayItem {
@@ -203,6 +441,8 @@ type ReasoningDisplayItem = {
   messageInfo?: MessageInfo
   showAgentMeta?: boolean
   defaultExpanded: boolean
+  messageId: string
+  partId: string
 }
 
 type CompactionDisplayItem = {
@@ -211,6 +451,8 @@ type CompactionDisplayItem = {
   part: ClientPart
   messageInfo?: MessageInfo
   accentColor?: string
+  messageId: string
+  partId: string
 }
 
 type MessageBlockItem = ContentDisplayItem | ToolDisplayItem | StepDisplayItem | ReasoningDisplayItem | CompactionDisplayItem
@@ -236,6 +478,7 @@ interface MessageBlockProps {
 }
 
 export default function MessageBlock(props: MessageBlockProps) {
+  const { t } = useI18n()
   const record = createMemo(() => props.store().getMessage(props.messageId))
   const messageInfo = createMemo(() => props.store().getMessageInfo(props.messageId))
   const sessionCache = getSessionRenderCache(props.instanceId, props.sessionId)
@@ -270,7 +513,6 @@ export default function MessageBlock(props: MessageBlockProps) {
     const items: MessageBlockItem[] = []
     const blockContentKeys: string[] = []
     const blockToolKeys: string[] = []
-    let segmentIndex = 0
     let pendingParts: ClientPart[] = []
     let agentMetaAttached = current.role !== "assistant"
     const defaultAccentColor = current.role === "user" ? USER_BORDER_COLOR : ASSISTANT_BORDER_COLOR
@@ -278,34 +520,28 @@ export default function MessageBlock(props: MessageBlockProps) {
 
     const flushContent = () => {
       if (pendingParts.length === 0) return
-      const segmentKey = `${current.id}:segment:${segmentIndex}`
-      segmentIndex += 1
-      const shouldShowAgentMeta =
-        current.role === "assistant" &&
-        !agentMetaAttached &&
-        pendingParts.some((part) => partHasRenderableText(part))
+      const startPartId = typeof (pendingParts[0] as any)?.id === "string" ? ((pendingParts[0] as any).id as string) : ""
+      if (!startPartId) {
+        pendingParts = []
+        return
+      }
+
+      if (!agentMetaAttached && pendingParts.some((part) => partHasRenderableText(part))) {
+        agentMetaAttached = true
+      }
+
+      const segmentKey = `${current.id}:content:${startPartId}`
       let cached = sessionCache.messageItems.get(segmentKey)
       if (!cached) {
         cached = {
           type: "content",
           key: segmentKey,
-          record: current,
-          parts: pendingParts.slice(),
-          messageInfo: info,
-          isQueued,
-          showAgentMeta: shouldShowAgentMeta,
+          messageId: current.id,
+          startPartId,
         }
         sessionCache.messageItems.set(segmentKey, cached)
-      } else {
-        cached.record = current
-        cached.parts = pendingParts.slice()
-        cached.messageInfo = info
-        cached.isQueued = isQueued
-        cached.showAgentMeta = shouldShowAgentMeta
-      }
-      if (shouldShowAgentMeta) {
-        agentMetaAttached = true
       }
+
       items.push(cached)
       blockContentKeys.push(segmentKey)
       lastAccentColor = defaultAccentColor
@@ -315,28 +551,26 @@ export default function MessageBlock(props: MessageBlockProps) {
     orderedParts.forEach((part, partIndex) => {
       if (part.type === "tool") {
         flushContent()
-        const partVersion = typeof (part as any).revision === "number" ? (part as any).revision : 0
-        const messageVersion = current.revision
-        const key = `${current.id}:${part.id ?? partIndex}`
+        const partId = part.id
+        if (!partId) {
+          // Tool parts are required to have ids; if one slips through, skip rendering
+          // to avoid unstable keys and accidental remount cascades.
+          return
+        }
+        const key = `${current.id}:${partId}`
         let toolItem = sessionCache.toolItems.get(key)
         if (!toolItem) {
           toolItem = {
             type: "tool",
             key,
-            toolPart: part as ToolCallPart,
-            messageInfo: info,
             messageId: current.id,
-            messageVersion,
-            partVersion,
+            partId,
           }
           sessionCache.toolItems.set(key, toolItem)
         } else {
           toolItem.key = key
-          toolItem.toolPart = part as ToolCallPart
-          toolItem.messageInfo = info
           toolItem.messageId = current.id
-          toolItem.messageVersion = messageVersion
-          toolItem.partVersion = partVersion
+          toolItem.partId = partId
         }
         items.push(toolItem)
         blockToolKeys.push(key)
@@ -346,7 +580,8 @@ export default function MessageBlock(props: MessageBlockProps) {
 
       if (part.type === "compaction") {
         flushContent()
-        const key = `${current.id}:${part.id ?? partIndex}:compaction`
+        const partId = part.id ?? ""
+        const key = `${current.id}:${partId || partIndex}:compaction`
         const isAuto = Boolean((part as any)?.auto)
         items.push({
           type: "compaction",
@@ -354,6 +589,8 @@ export default function MessageBlock(props: MessageBlockProps) {
           part,
           messageInfo: info,
           accentColor: isAuto ? "var(--session-status-compacting-fg)" : USER_BORDER_COLOR,
+          messageId: current.id,
+          partId,
         })
         lastAccentColor = isAuto ? "var(--session-status-compacting-fg)" : USER_BORDER_COLOR
         return
@@ -378,7 +615,8 @@ export default function MessageBlock(props: MessageBlockProps) {
       if (part.type === "reasoning") {
         flushContent()
         if (props.showThinking() && reasoningHasRenderableContent(part)) {
-          const key = `${current.id}:${part.id ?? partIndex}:reasoning`
+          const partId = part.id ?? ""
+          const key = `${current.id}:${partId || partIndex}:reasoning`
           const showAgentMeta = current.role === "assistant" && !agentMetaAttached
           if (showAgentMeta) {
             agentMetaAttached = true
@@ -390,6 +628,8 @@ export default function MessageBlock(props: MessageBlockProps) {
             messageInfo: info,
             showAgentMeta,
             defaultExpanded: props.thinkingDefaultExpanded(),
+            messageId: current.id,
+            partId,
           })
           lastAccentColor = ASSISTANT_BORDER_COLOR
         }
@@ -425,21 +665,21 @@ export default function MessageBlock(props: MessageBlockProps) {
   })
 
   return (
-    <Show when={block()} keyed>
+    <Show when={block()}>
       {(resolvedBlock) => (
-        <div class="message-stream-block" data-message-id={resolvedBlock.record.id}>
-          <For each={resolvedBlock.items}>
+        <div class="message-stream-block" data-message-id={resolvedBlock().record.id}>
+          <For each={resolvedBlock().items}>
             {(item) => (
               <Switch>
                 <Match when={item.type === "content"}>
-                  <MessageItem
-                    record={(item as ContentDisplayItem).record}
-                    messageInfo={(item as ContentDisplayItem).messageInfo}
-                    parts={(item as ContentDisplayItem).parts}
+                  <MessageContentItem
                     instanceId={props.instanceId}
                     sessionId={props.sessionId}
-                    isQueued={(item as ContentDisplayItem).isQueued}
-                    showAgentMeta={(item as ContentDisplayItem).showAgentMeta}
+                    store={props.store}
+                    messageId={(item as ContentDisplayItem).messageId}
+                    startPartId={(item as ContentDisplayItem).startPartId}
+                    messageIndex={props.messageIndex}
+                    lastAssistantIndex={props.lastAssistantIndex}
                     onRevert={props.onRevert}
                     onFork={props.onFork}
                     onContentRendered={props.onContentRendered}
@@ -448,46 +688,14 @@ export default function MessageBlock(props: MessageBlockProps) {
                 <Match when={item.type === "tool"}>
                   {(() => {
                     const toolItem = item as ToolDisplayItem
-                    const toolState = toolItem.toolPart.state as ToolState | undefined
-                    const hasToolState =
-                      Boolean(toolState) && (isToolStateRunning(toolState) || isToolStateCompleted(toolState) || isToolStateError(toolState))
-                    const taskSessionId = hasToolState ? extractTaskSessionId(toolState) : ""
-                    const taskLocation = taskSessionId ? findTaskSessionLocation(taskSessionId, props.instanceId) : null
-                    const handleGoToTaskSession = (event: MouseEvent) => {
-                      event.preventDefault()
-                      event.stopPropagation()
-                      if (!taskLocation) return
-                      navigateToTaskSession(taskLocation)
-                    }
-
                     return (
                       <div class="tool-call-message" data-key={toolItem.key}>
-                        <div class="tool-call-header-label">
-                          <div class="tool-call-header-meta">
-                            <span class="tool-call-icon">{TOOL_ICON}</span>
-                            <span>Tool Call</span>
-                            <span class="tool-name">{toolItem.toolPart.tool || "unknown"}</span>
-                          </div>
-                          <Show when={taskSessionId}>
-                            <button
-                              class="tool-call-header-button"
-                              type="button"
-                              disabled={!taskLocation}
-                              onClick={handleGoToTaskSession}
-                              title={!taskLocation ? "Session not available yet" : "Go to session"}
-                            >
-                              Go to Session
-                            </button>
-                          </Show>
-                        </div>
-                        <ToolCall
-                          toolCall={toolItem.toolPart}
-                          toolCallId={toolItem.toolPart.id}
-                          messageId={toolItem.messageId}
-                          messageVersion={toolItem.messageVersion}
-                          partVersion={toolItem.partVersion}
+                        <ToolCallItem
                           instanceId={props.instanceId}
                           sessionId={props.sessionId}
+                          store={props.store}
+                          messageId={toolItem.messageId}
+                          partId={toolItem.partId}
                           onContentRendered={props.onContentRendered}
                         />
                       </div>
@@ -495,7 +703,12 @@ export default function MessageBlock(props: MessageBlockProps) {
                   })()}
                 </Match>
                 <Match when={item.type === "step-start"}>
-                  <StepCard kind="start" part={(item as StepDisplayItem).part} messageInfo={(item as StepDisplayItem).messageInfo} showAgentMeta />
+                  <StepCard
+                    kind="start"
+                    part={(item as StepDisplayItem).part}
+                    messageInfo={(item as StepDisplayItem).messageInfo}
+                    showAgentMeta
+                  />
                 </Match>
                 <Match when={item.type === "step-finish"}>
                   <StepCard
@@ -507,7 +720,15 @@ export default function MessageBlock(props: MessageBlockProps) {
                   />
                 </Match>
                 <Match when={item.type === "compaction"}>
-                  <CompactionCard part={(item as CompactionDisplayItem).part} messageInfo={(item as CompactionDisplayItem).messageInfo} borderColor={(item as CompactionDisplayItem).accentColor} />
+                  <CompactionCard
+                    part={(item as CompactionDisplayItem).part}
+                    messageInfo={(item as CompactionDisplayItem).messageInfo}
+                    borderColor={(item as CompactionDisplayItem).accentColor}
+                    instanceId={props.instanceId}
+                    sessionId={props.sessionId}
+                    messageId={(item as CompactionDisplayItem).messageId}
+                    partId={(item as CompactionDisplayItem).partId}
+                  />
                 </Match>
                 <Match when={item.type === "reasoning"}>
                   <ReasoningCard
@@ -515,6 +736,8 @@ export default function MessageBlock(props: MessageBlockProps) {
                     messageInfo={(item as ReasoningDisplayItem).messageInfo}
                     instanceId={props.instanceId}
                     sessionId={props.sessionId}
+                    messageId={(item as ReasoningDisplayItem).messageId}
+                    partId={(item as ReasoningDisplayItem).partId}
                     showAgentMeta={(item as ReasoningDisplayItem).showAgentMeta}
                     defaultExpanded={(item as ReasoningDisplayItem).defaultExpanded}
                   />
@@ -537,21 +760,63 @@ interface StepCardProps {
   borderColor?: string
 }
 
-function CompactionCard(props: { part: ClientPart; messageInfo?: MessageInfo; borderColor?: string }) {
+interface CompactionCardProps {
+  part: ClientPart
+  messageInfo?: MessageInfo
+  borderColor?: string
+  instanceId: string
+  sessionId: string
+  messageId: string
+  partId: string
+}
+
+function CompactionCard(props: CompactionCardProps) {
+  const { t } = useI18n()
+  const [deleting, setDeleting] = createSignal(false)
   const isAuto = () => Boolean((props.part as any)?.auto)
-  const label = () => (isAuto() ? "Session auto-compacted" : "Session compacted by you")
+  const label = () => (isAuto() ? t("messageBlock.compaction.autoLabel") : t("messageBlock.compaction.manualLabel"))
   const borderColor = () => props.borderColor ?? (isAuto() ? "var(--session-status-compacting-fg)" : USER_BORDER_COLOR)
 
   const containerClass = () =>
     `message-compaction-card ${isAuto() ? "message-compaction-card--auto" : "message-compaction-card--manual"}`
 
+  const canDelete = () => Boolean(props.partId) && !deleting()
+
+  const handleDelete = async (event: MouseEvent) => {
+    event.preventDefault()
+    event.stopPropagation()
+    if (!canDelete()) return
+    setDeleting(true)
+    try {
+      await deleteMessagePart(props.instanceId, props.sessionId, props.messageId, props.partId)
+    } catch (error) {
+      showAlertDialog(t("messagePart.actions.deleteFailedMessage"), {
+        title: t("messagePart.actions.deleteFailedTitle"),
+        detail: error instanceof Error ? error.message : String(error),
+        variant: "error",
+      })
+    } finally {
+      setDeleting(false)
+    }
+  }
+
   return (
     <div
-      class={containerClass()}
+      class={`${containerClass()} relative`}
       style={{ "border-left": `4px solid ${borderColor()}` }}
       role="status"
-      aria-label="Session compaction"
+      aria-label={t("messageBlock.compaction.ariaLabel")}
     >
+      <button
+        type="button"
+        class="tool-call-header-button absolute right-2 top-1/2 -translate-y-1/2"
+        disabled={!canDelete()}
+        onClick={handleDelete}
+        title={t("messagePart.actions.deleteTitle")}
+      >
+        {deleting() ? t("messagePart.actions.deleting") : t("messagePart.actions.delete")}
+      </button>
+
       <div class="message-compaction-row">
         <FoldVertical class="message-compaction-icon w-4 h-4" aria-hidden="true" />
         <span class="message-compaction-label">{label()}</span>
@@ -561,6 +826,7 @@ function CompactionCard(props: { part: ClientPart; messageInfo?: MessageInfo; bo
 }
 
 function StepCard(props: StepCardProps) {
+  const { t } = useI18n()
   const timestamp = () => {
     const value = props.messageInfo?.time?.created ?? (props.part as any)?.time?.start ?? Date.now()
     const date = new Date(value)
@@ -605,14 +871,15 @@ function StepCard(props: StepCardProps) {
 
   const finishStyle = () => (props.borderColor ? { "border-left-color": props.borderColor } : undefined)
 
+
   const renderUsageChips = (usage: NonNullable<ReturnType<typeof usageStats>>) => {
     const entries = [
-      { label: "Input", value: usage.input, formatter: formatTokenTotal },
-      { label: "Output", value: usage.output, formatter: formatTokenTotal },
-      { label: "Reasoning", value: usage.reasoning, formatter: formatTokenTotal },
-      { label: "Cache Read", value: usage.cacheRead, formatter: formatTokenTotal },
-      { label: "Cache Write", value: usage.cacheWrite, formatter: formatTokenTotal },
-      { label: "Cost", value: usage.cost, formatter: formatCostValue },
+      { label: t("messageBlock.usage.input"), value: usage.input, formatter: formatTokenTotal },
+      { label: t("messageBlock.usage.output"), value: usage.output, formatter: formatTokenTotal },
+      { label: t("messageBlock.usage.reasoning"), value: usage.reasoning, formatter: formatTokenTotal },
+      { label: t("messageBlock.usage.cacheRead"), value: usage.cacheRead, formatter: formatTokenTotal },
+      { label: t("messageBlock.usage.cacheWrite"), value: usage.cacheWrite, formatter: formatTokenTotal },
+      { label: t("messageBlock.usage.cost"), value: usage.cost, formatter: formatCostValue },
     ]
 
     return (
@@ -647,8 +914,8 @@ function StepCard(props: StepCardProps) {
           <div class="message-step-title-left">
             <Show when={props.showAgentMeta && (agentIdentifier() || modelIdentifier())}>
               <span class="message-step-meta-inline">
-                <Show when={agentIdentifier()}>{(value) => <span>Agent: {value()}</span>}</Show>
-                <Show when={modelIdentifier()}>{(value) => <span>Model: {value()}</span>}</Show>
+                <Show when={agentIdentifier()}>{(value) => <span>{t("messageBlock.step.agentLabel", { agent: value() })}</span>}</Show>
+                <Show when={modelIdentifier()}>{(value) => <span>{t("messageBlock.step.modelLabel", { model: value() })}</span>}</Show>
               </span>
             </Show>
           </div>
@@ -670,12 +937,16 @@ interface ReasoningCardProps {
   messageInfo?: MessageInfo
   instanceId: string
   sessionId: string
+  messageId: string
+  partId: string
   showAgentMeta?: boolean
   defaultExpanded?: boolean
 }
 
 function ReasoningCard(props: ReasoningCardProps) {
+  const { t } = useI18n()
   const [expanded, setExpanded] = createSignal(Boolean(props.defaultExpanded))
+  const [deleting, setDeleting] = createSignal(false)
 
   createEffect(() => {
     setExpanded(Boolean(props.defaultExpanded))
@@ -739,6 +1010,27 @@ function ReasoningCard(props: ReasoningCardProps) {
 
   const toggle = () => setExpanded((prev) => !prev)
 
+  const hasDeleteTarget = () => Boolean(props.partId)
+  const canDelete = () => hasDeleteTarget() && !deleting()
+
+  const handleDelete = async (event: Event) => {
+    event.preventDefault()
+    event.stopPropagation()
+    if (!canDelete()) return
+    setDeleting(true)
+    try {
+      await deleteMessagePart(props.instanceId, props.sessionId, props.messageId, props.partId)
+    } catch (error) {
+      showAlertDialog(t("messagePart.actions.deleteFailedMessage"), {
+        title: t("messagePart.actions.deleteFailedTitle"),
+        detail: error instanceof Error ? error.message : String(error),
+        variant: "error",
+      })
+    } finally {
+      setDeleting(false)
+    }
+  }
+
   return (
     <div class="message-reasoning-card">
       <button
@@ -746,19 +1038,48 @@ function ReasoningCard(props: ReasoningCardProps) {
         class="message-reasoning-toggle"
         onClick={toggle}
         aria-expanded={expanded()}
-        aria-label={expanded() ? "Collapse thinking" : "Expand thinking"}
+        aria-label={expanded() ? t("messageBlock.reasoning.collapseAriaLabel") : t("messageBlock.reasoning.expandAriaLabel")}
       >
         <span class="message-reasoning-label flex flex-wrap items-center gap-2">
-          <span>Thinking</span>
+          <span>{t("messageBlock.reasoning.thinkingLabel")}</span>
           <Show when={props.showAgentMeta && (agentIdentifier() || modelIdentifier())}>
             <span class="message-step-meta-inline">
-              <Show when={agentIdentifier()}>{(value) => <span class="font-medium text-[var(--message-assistant-border)]">Agent: {value()}</span>}</Show>
-              <Show when={modelIdentifier()}>{(value) => <span class="font-medium text-[var(--message-assistant-border)]">Model: {value()}</span>}</Show>
+              <Show when={agentIdentifier()}>
+                {(value) => (
+                  <span class="font-medium text-[var(--message-assistant-border)]">{t("messageBlock.step.agentLabel", { agent: value() })}</span>
+                )}
+              </Show>
+              <Show when={modelIdentifier()}>
+                {(value) => (
+                  <span class="font-medium text-[var(--message-assistant-border)]">{t("messageBlock.step.modelLabel", { model: value() })}</span>
+                )}
+              </Show>
             </span>
           </Show>
         </span>
         <span class="message-reasoning-meta">
-          <span class="message-reasoning-indicator">{expanded() ? "Hide" : "View"}</span>
+          <span class="message-reasoning-indicator">
+            {expanded() ? t("messageBlock.reasoning.indicator.hide") : t("messageBlock.reasoning.indicator.view")}
+          </span>
+
+          <Show when={hasDeleteTarget()}>
+            <span
+              class={`message-reasoning-indicator${canDelete() ? "" : " opacity-50 pointer-events-none"}`}
+              role="button"
+              tabIndex={0}
+              onClick={handleDelete}
+              onKeyDown={(event) => {
+                if (event.key === "Enter" || event.key === " ") {
+                  handleDelete(event)
+                }
+              }}
+              aria-label={t("messagePart.actions.deleteTitle")}
+              title={t("messagePart.actions.deleteTitle")}
+            >
+              {deleting() ? t("messagePart.actions.deleting") : t("messagePart.actions.delete")}
+            </span>
+          </Show>
+
           <span class="message-reasoning-time">{timestamp()}</span>
         </span>
       </button>
@@ -766,7 +1087,7 @@ function ReasoningCard(props: ReasoningCardProps) {
       <Show when={expanded()}>
         <div class="message-reasoning-expanded">
           <div class="message-reasoning-body">
-            <div class="message-reasoning-output" role="region" aria-label="Reasoning details">
+            <div class="message-reasoning-output" role="region" aria-label={t("messageBlock.reasoning.detailsAriaLabel")}>
               <pre class="message-reasoning-text">{reasoningText() || ""}</pre>
             </div>
           </div>

packages/ui/src/components/message-item.tsx

@@ -1,9 +1,13 @@
 import { For, Show, createSignal } from "solid-js"
+import { Copy, Split, Trash2, Undo } from "lucide-solid"
 import type { MessageInfo, ClientPart } from "../types/message"
 import { partHasRenderableText } from "../types/message"
 import type { MessageRecord } from "../stores/message-v2/types"
 import MessagePart from "./message-part"
 import { copyToClipboard } from "../lib/clipboard"
+import { useI18n } from "../lib/i18n"
+import { showAlertDialog } from "../stores/alerts"
+import { deleteMessagePart } from "../stores/session-actions"
 
 interface MessageItemProps {
   record: MessageRecord
@@ -19,7 +23,9 @@ interface MessageItemProps {
 }
 
 export default function MessageItem(props: MessageItemProps) {
+  const { t } = useI18n()
   const [copied, setCopied] = createSignal(false)
+  const [deletingParts, setDeletingParts] = createSignal<Set<string>>(new Set())
 
   const isUser = () => props.record.role === "user"
   const createdTimestamp = () => props.messageInfo?.time?.created ?? props.record.createdAt
@@ -49,15 +55,15 @@ export default function MessageItem(props: MessageItemProps) {
     }
     const url = part.url || ""
     if (url.startsWith("data:")) {
-      return "attachment"
+      return t("messageItem.attachment.defaultName")
     }
     try {
       const parsed = new URL(url)
       const segments = parsed.pathname.split("/")
-      return segments.pop() || "attachment"
+      return segments.pop() || t("messageItem.attachment.defaultName")
     } catch (error) {
       const fallback = url.split("/").pop()
-      return fallback && fallback.length > 0 ? fallback : "attachment"
+      return fallback && fallback.length > 0 ? fallback : t("messageItem.attachment.defaultName")
     }
   }
 
@@ -112,16 +118,16 @@ export default function MessageItem(props: MessageItemProps) {
 
     const error = info.error
     if (error.name === "ProviderAuthError") {
-      return error.data?.message || "Authentication error"
+      return error.data?.message || t("messageItem.errors.authenticationFallback")
     }
     if (error.name === "MessageOutputLengthError") {
-      return "Message output length exceeded"
+      return t("messageItem.errors.outputLengthExceeded")
     }
     if (error.name === "MessageAbortedError") {
-      return "Request was aborted"
+      return t("messageItem.errors.requestAborted")
     }
     if (error.name === "UnknownError") {
-      return error.data?.message || "Unknown error occurred"
+      return error.data?.message || t("messageItem.errors.unknownFallback")
     }
     return null
   }
@@ -135,8 +141,17 @@ export default function MessageItem(props: MessageItemProps) {
   }
 
   const isGenerating = () => {
+    if (hasContent()) {
+      return false
+    }
+
+    // Prefer the local record status for streaming placeholders.
+    if (!isUser() && props.record.status === "streaming") {
+      return true
+    }
+
     const info = props.messageInfo
-    return !hasContent() && info && info.role === "assistant" && info.time.completed !== undefined && info.time.completed === 0
+    return Boolean(info && info.role === "assistant" && info.time.completed !== undefined && info.time.completed === 0)
   }
 
   const handleRevert = () => {
@@ -145,6 +160,8 @@ export default function MessageItem(props: MessageItemProps) {
     }
   }
 
+  const copyLabel = () => (copied() ? t("messageItem.actions.copied") : t("messageItem.actions.copy"))
+
   const getRawContent = () => {
     return props.parts
       .filter(part => part.type === "text")
@@ -161,7 +178,51 @@ export default function MessageItem(props: MessageItemProps) {
     setTimeout(() => setCopied(false), 2000)
   }
 
-  if (!isUser() && !hasContent()) {
+  const deletableTextPartId = () => {
+    const part = props.parts.find((candidate) => {
+      if (!candidate || candidate.type !== "text") return false
+      const id = (candidate as any).id
+      if (typeof id !== "string" || id.length === 0) return false
+      return !Boolean((candidate as any).synthetic)
+    })
+    return (part as any)?.id as string | undefined
+  }
+
+  const isDeletingPart = (partId?: string) => {
+    if (!partId) return false
+    return deletingParts().has(partId)
+  }
+
+  const setPartDeleting = (partId: string, value: boolean) => {
+    setDeletingParts((prev) => {
+      const next = new Set(prev)
+      if (value) {
+        next.add(partId)
+      } else {
+        next.delete(partId)
+      }
+      return next
+    })
+  }
+
+  const handleDeletePart = async (partId?: string) => {
+    if (!partId) return
+    if (isDeletingPart(partId)) return
+    setPartDeleting(partId, true)
+    try {
+      await deleteMessagePart(props.instanceId, props.sessionId, props.record.id, partId)
+    } catch (error) {
+      showAlertDialog(t("messagePart.actions.deleteFailedMessage"), {
+        title: t("messagePart.actions.deleteFailedTitle"),
+        detail: error instanceof Error ? error.message : String(error),
+        variant: "error",
+      })
+    } finally {
+      setPartDeleting(partId, false)
+    }
+  }
+
+  if (!isUser() && !hasContent() && !isGenerating()) {
     return null
   }
 
@@ -170,7 +231,7 @@ export default function MessageItem(props: MessageItemProps) {
       ? "message-item-base bg-[var(--message-user-bg)] border-l-4 border-[var(--message-user-border)]"
       : "message-item-base assistant-message bg-[var(--message-assistant-bg)] border-l-4 border-[var(--message-assistant-border)]"
 
-  const speakerLabel = () => (isUser() ? "You" : "Assistant")
+  const speakerLabel = () => (isUser() ? t("messageItem.speaker.you") : t("messageItem.speaker.assistant"))
 
   const agentIdentifier = () => {
     if (isUser()) return ""
@@ -195,10 +256,10 @@ export default function MessageItem(props: MessageItemProps) {
     const agent = agentIdentifier()
     const model = modelIdentifier()
     if (agent) {
-      segments.push(`Agent: ${agent}`)
+      segments.push(t("messageItem.agentMeta.agentLabel", { agent }))
     }
     if (model) {
-      segments.push(`Model: ${model}`)
+      segments.push(t("messageItem.agentMeta.modelLabel", { model }))
     }
     return segments.join(" • ")
   }
@@ -220,45 +281,70 @@ export default function MessageItem(props: MessageItemProps) {
                 <button
                   class="message-action-button"
                   onClick={handleRevert}
-                  title="Revert to this message"
-                  aria-label="Revert to this message"
+                  title={t("messageItem.actions.revert")}
+                  aria-label={t("messageItem.actions.revert")}
                 >
-                  Revert
+                  <Undo class="w-3.5 h-3.5" aria-hidden="true" />
                 </button>
               </Show>
               <Show when={props.onFork}>
                 <button
                   class="message-action-button"
                   onClick={() => props.onFork?.(props.record.id)}
-                  title="Fork from this message"
-                  aria-label="Fork from this message"
+                  title={t("messageItem.actions.fork")}
+                  aria-label={t("messageItem.actions.fork")}
                 >
-                  Fork
+                  <Split class="w-3.5 h-3.5" aria-hidden="true" />
                 </button>
               </Show>
               <button
                 class="message-action-button"
                 onClick={handleCopy}
-                title="Copy message"
-                aria-label="Copy message"
+                title={copyLabel()}
+                aria-label={copyLabel()}
               >
-                <Show when={copied()} fallback="Copy">
-                  Copied!
-                </Show>
+                <Copy class="w-3.5 h-3.5" aria-hidden="true" />
               </button>
+              <Show when={deletableTextPartId()}>
+                {(partId) => (
+                  <button
+                    class="message-action-button"
+                    onClick={() => void handleDeletePart(partId())}
+                    disabled={isDeletingPart(partId())}
+                    title={isDeletingPart(partId()) ? t("messagePart.actions.deleting") : t("messagePart.actions.delete")}
+                    aria-label={isDeletingPart(partId()) ? t("messagePart.actions.deleting") : t("messagePart.actions.delete")}
+                  >
+                    <Trash2 class="w-3.5 h-3.5" aria-hidden="true" />
+                  </button>
+                )}
+              </Show>
             </div>
           </Show>
           <Show when={!isUser()}>
-            <button
-              class="message-action-button"
-              onClick={handleCopy}
-              title="Copy message"
-              aria-label="Copy message"
-            >
-              <Show when={copied()} fallback="Copy">
-                Copied!
+            <div class="message-action-group">
+              <button
+                class="message-action-button"
+                onClick={handleCopy}
+                title={copyLabel()}
+                aria-label={copyLabel()}
+              >
+                <Copy class="w-3.5 h-3.5" aria-hidden="true" />
+              </button>
+
+              <Show when={deletableTextPartId()}>
+                {(partId) => (
+                  <button
+                    class="message-action-button"
+                    onClick={() => void handleDeletePart(partId())}
+                    disabled={isDeletingPart(partId())}
+                    title={isDeletingPart(partId()) ? t("messagePart.actions.deleting") : t("messagePart.actions.delete")}
+                    aria-label={isDeletingPart(partId()) ? t("messagePart.actions.deleting") : t("messagePart.actions.delete")}
+                  >
+                    <Trash2 class="w-3.5 h-3.5" aria-hidden="true" />
+                  </button>
+                )}
               </Show>
-            </button>
+            </div>
           </Show>
           <time class="message-timestamp" dateTime={timestampIso()}>{timestamp()}</time>
         </div>
@@ -269,7 +355,7 @@ export default function MessageItem(props: MessageItemProps) {
 
 
         <Show when={props.isQueued && isUser()}>
-          <div class="message-queued-badge">QUEUED</div>
+          <div class="message-queued-badge">{t("messageItem.status.queued")}</div>
         </Show>
 
         <Show when={errorMessage()}>
@@ -278,7 +364,7 @@ export default function MessageItem(props: MessageItemProps) {
 
         <Show when={isGenerating()}>
           <div class="message-generating">
-            <span class="generating-spinner">⏳</span> Generating...
+            <span class="generating-spinner">⏳</span> {t("messageItem.status.generating")}
           </div>
         </Show>
 
@@ -319,13 +405,26 @@ export default function MessageItem(props: MessageItemProps) {
                       type="button"
                       onClick={() => void handleAttachmentDownload(attachment)}
                       class="attachment-download"
-                      aria-label={`Download ${name}`}
+                      aria-label={t("messageItem.attachment.downloadAriaLabel", { name })}
                     >
                       <svg class="h-3 w-3" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                         <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 16v2a2 2 0 002 2h12a2 2 0 002-2v-2" />
                         <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 12l4 4 4-4m-4-8v12" />
                       </svg>
                     </button>
+
+                    <button
+                      type="button"
+                      onClick={() => void handleDeletePart(attachment.id)}
+                      class="attachment-remove"
+                      disabled={isDeletingPart(attachment.id)}
+                      aria-label={t("messagePart.actions.deleteTitle")}
+                      title={t("messagePart.actions.deleteTitle")}
+                    >
+                      <svg class="h-3 w-3" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
+                      </svg>
+                    </button>
                     <Show when={isImage}>
                       <div class="attachment-chip-preview">
                         <img src={attachment.url} alt={name} />
@@ -340,12 +439,12 @@ export default function MessageItem(props: MessageItemProps) {
 
         <Show when={props.record.status === "sending"}>
           <div class="message-sending">
-            <span class="generating-spinner">●</span> Sending...
+            <span class="generating-spinner">●</span> {t("messageItem.status.sending")}
           </div>
         </Show>
 
         <Show when={props.record.status === "error"}>
-          <div class="message-error">⚠ Message failed to send</div>
+          <div class="message-error">⚠ {t("messageItem.status.failedToSend")}</div>
         </Show>
       </div>
     </div>

packages/ui/src/components/message-list-header.tsx

@@ -1,8 +1,9 @@
 import { Show } from "solid-js"
 import Kbd from "./kbd"
+import { useI18n } from "../lib/i18n"
 
 const METRIC_CHIP_CLASS = "inline-flex items-center gap-1 rounded-full border border-base px-2 py-0.5 text-xs text-primary"
-const METRIC_LABEL_CLASS = "uppercase text-[10px] tracking-wide text-primary/70"
+const METRIC_LABEL_CLASS = "uppercase text-[10px] tracking-wide text-muted"
 
 interface MessageListHeaderProps {
   usedTokens: number
@@ -17,6 +18,7 @@ interface MessageListHeaderProps {
 }
 
 export default function MessageListHeader(props: MessageListHeaderProps) {
+  const { t } = useI18n()
 
   const hasAvailableTokens = () => typeof props.availableTokens === "number"
   const availableDisplay = () => (hasAvailableTokens() ? props.formatTokens(props.availableTokens as number) : "--")
@@ -29,7 +31,7 @@ export default function MessageListHeader(props: MessageListHeaderProps) {
             type="button"
             class="session-sidebar-menu-button"
             onClick={() => props.onSidebarToggle?.()}
-            aria-label="Open session list"
+            aria-label={t("messageListHeader.sidebar.openSessionListAriaLabel")}
           >
             <span aria-hidden="true" class="session-sidebar-menu-icon">☰</span>
           </button>
@@ -39,11 +41,11 @@ export default function MessageListHeader(props: MessageListHeaderProps) {
       <div class="connection-status-text connection-status-info">
         <div class="connection-status-usage">
           <div class={METRIC_CHIP_CLASS}>
-            <span class={METRIC_LABEL_CLASS}>Used</span>
+            <span class={METRIC_LABEL_CLASS}>{t("messageListHeader.metrics.usedLabel")}</span>
             <span class="font-semibold text-primary">{props.formatTokens(props.usedTokens)}</span>
           </div>
           <div class={METRIC_CHIP_CLASS}>
-            <span class={METRIC_LABEL_CLASS}>Avail</span>
+            <span class={METRIC_LABEL_CLASS}>{t("messageListHeader.metrics.availableLabel")}</span>
             <span class="font-semibold text-primary">{hasAvailableTokens() ? availableDisplay() : "--"}</span>
           </div>
         </div>
@@ -51,8 +53,13 @@ export default function MessageListHeader(props: MessageListHeaderProps) {
 
       <div class="connection-status-text connection-status-shortcut">
         <div class="connection-status-shortcut-action">
-          <button type="button" class="connection-status-button" onClick={props.onCommandPalette} aria-label="Open command palette">
-            Command Palette
+          <button
+            type="button"
+            class="connection-status-button"
+            onClick={props.onCommandPalette}
+            aria-label={t("messageListHeader.commandPalette.ariaLabel")}
+          >
+            {t("messageListHeader.commandPalette.button")}
           </button>
           <span class="connection-status-shortcut-hint">
             <Kbd shortcut="cmd+shift+p" />
@@ -64,19 +71,19 @@ export default function MessageListHeader(props: MessageListHeaderProps) {
         <Show when={props.connectionStatus === "connected"}>
           <span class="status-indicator connected">
             <span class="status-dot" />
-            <span class="status-text">Connected</span>
+            <span class="status-text">{t("messageListHeader.connection.connected")}</span>
           </span>
         </Show>
         <Show when={props.connectionStatus === "connecting"}>
           <span class="status-indicator connecting">
             <span class="status-dot" />
-            <span class="status-text">Connecting...</span>
+            <span class="status-text">{t("messageListHeader.connection.connecting")}</span>
           </span>
         </Show>
         <Show when={props.connectionStatus === "error" || props.connectionStatus === "disconnected"}>
           <span class="status-indicator disconnected">
             <span class="status-dot" />
-            <span class="status-text">Disconnected</span>
+            <span class="status-text">{t("messageListHeader.connection.disconnected")}</span>
           </span>
         </Show>
       </div>

packages/ui/src/components/message-part.tsx

@@ -15,7 +15,7 @@ interface MessagePartProps {
   sessionId: string
   onRendered?: () => void
  }
- export default function MessagePart(props: MessagePartProps) {
+  export default function MessagePart(props: MessagePartProps) {
 
   const { isDark } = useTheme()
   const { preferences } = useConfig()
@@ -25,6 +25,14 @@ interface MessagePartProps {
   const isAssistantMessage = () => props.messageType === "assistant"
   const textContainerClass = () => (isAssistantMessage() ? "message-text message-text-assistant" : "message-text")
 
+  const shouldHideTextPart = () => {
+    const part = props.part
+    if (!part || part.type !== "text") return false
+    // Keep optimistic user prompts visible; hide synthetic assistant text.
+    return Boolean((part as any).synthetic) && props.messageType !== "user"
+  }
+
+
   const plainTextContent = () => {
     const part = props.part
 
@@ -94,23 +102,23 @@ interface MessagePartProps {
   return (
     <Switch>
       <Match when={partType() === "text"}>
-        <Show when={!(props.part.type === "text" && props.part.synthetic) && partHasRenderableText(props.part)}>
+        <Show when={!shouldHideTextPart() && partHasRenderableText(props.part)}>
           <div class={textContainerClass()}>
-            <Show
-               when={isAssistantMessage()}
-               fallback={<span>{plainTextContent()}</span>}
-             >
-              <Markdown
-                part={createTextPartForMarkdown()}
-                instanceId={props.instanceId}
-                sessionId={props.sessionId}
-                isDark={isDark()}
-                size={isAssistantMessage() ? "tight" : "base"}
-                onRendered={props.onRendered}
-              />
-             </Show>
+                <Show
+                 when={isAssistantMessage()}
+                 fallback={<span class="text-primary">{plainTextContent()}</span>}
+               >
+                 <Markdown
+                   part={createTextPartForMarkdown()}
+                   instanceId={props.instanceId}
+                   sessionId={props.sessionId}
+                   isDark={isDark()}
+                 size={isAssistantMessage() ? "tight" : "base"}
+                 onRendered={props.onRendered}
+               />
+              </Show>
 
-          </div>
+           </div>
         </Show>
       </Match>
 

packages/ui/src/components/message-section.tsx

@@ -6,6 +6,9 @@ import { useConfig } from "../stores/preferences"
 import { getSessionInfo } from "../stores/sessions"
 import { messageStoreBus } from "../stores/message-v2/bus"
 import { useScrollCache } from "../lib/hooks/use-scroll-cache"
+import { useI18n } from "../lib/i18n"
+import { copyToClipboard } from "../lib/clipboard"
+import { showToastNotification } from "../lib/notifications"
 import type { InstanceMessageStore } from "../stores/message-v2/instance-store"
 
 const SCROLL_SCOPE = "session"
@@ -31,6 +34,7 @@ export interface MessageSectionProps {
 
 export default function MessageSection(props: MessageSectionProps) {
   const { preferences } = useConfig()
+  const { t } = useI18n()
   const showUsagePreference = () => preferences().showUsageMetrics ?? true
   const showTimelineToolsPreference = () => preferences().showTimelineTools ?? true
   const store = createMemo<InstanceMessageStore>(() => messageStoreBus.getOrCreate(props.instanceId))
@@ -107,7 +111,7 @@ export default function MessageSection(props: MessageSectionProps) {
       const record = resolvedStore.getMessage(messageId)
       if (!record) return
       seenTimelineMessageIds.add(messageId)
-      const built = buildTimelineSegments(props.instanceId, record)
+      const built = buildTimelineSegments(props.instanceId, record, t)
       built.forEach((segment) => {
         const key = makeTimelineKey(segment)
         if (seenTimelineSegmentKeys.has(key)) return
@@ -121,7 +125,7 @@ export default function MessageSection(props: MessageSectionProps) {
   function appendTimelineForMessage(messageId: string) {
     const record = untrack(() => store().getMessage(messageId))
     if (!record) return
-    const built = buildTimelineSegments(props.instanceId, record)
+    const built = buildTimelineSegments(props.instanceId, record, t)
     if (built.length === 0) return
     const newSegments: TimelineSegment[] = []
     built.forEach((segment) => {
@@ -373,7 +377,9 @@ export default function MessageSection(props: MessageSectionProps) {
     const anchorRect = rects.length > 0 ? rects[0] : range.getBoundingClientRect()
     const shellRect = shell.getBoundingClientRect()
     const relativeTop = Math.max(anchorRect.top - shellRect.top - 40, 8)
-    const maxLeft = Math.max(shell.clientWidth - 180, 8)
+    // Keep the popover within the stream shell. The quote popover currently
+    // renders 3 actions; keep enough horizontal room for the pill.
+    const maxLeft = Math.max(shell.clientWidth - 260, 8)
     const relativeLeft = Math.min(Math.max(anchorRect.left - shellRect.left, 8), maxLeft)
     setQuoteSelection({ text: limited, top: relativeTop, left: relativeLeft })
   }
@@ -392,6 +398,24 @@ export default function MessageSection(props: MessageSectionProps) {
       selection?.removeAllRanges()
     }
   }
+
+  async function handleCopySelectionRequest() {
+    const info = quoteSelection()
+    if (!info) return
+
+    const success = await copyToClipboard(info.text)
+    showToastNotification({
+      message: success ? t("messageSection.quote.copied") : t("messageSection.quote.copyFailed"),
+      variant: success ? "success" : "error",
+      duration: success ? 2000 : 6000,
+    })
+
+    clearQuoteSelection()
+    if (typeof window !== "undefined") {
+      const selection = window.getSelection()
+      selection?.removeAllRanges()
+    }
+  }
  
   function handleContentRendered() {
     if (props.loading) {
@@ -558,7 +582,7 @@ export default function MessageSection(props: MessageSectionProps) {
     }
     previousLastTimelineMessageId = lastId
     previousLastTimelinePartCount = partCount
-    const built = buildTimelineSegments(props.instanceId, record)
+    const built = buildTimelineSegments(props.instanceId, record, t)
     const newSegments: TimelineSegment[] = []
     built.forEach((segment) => {
       const key = makeTimelineKey(segment)
@@ -753,19 +777,19 @@ export default function MessageSection(props: MessageSectionProps) {
               <div class="empty-state">
                 <div class="empty-state-content">
                   <div class="flex flex-col items-center gap-3 mb-6">
-                    <img src={codeNomadLogo} alt="CodeNomad logo" class="h-48 w-auto" loading="lazy" />
-                    <h1 class="text-3xl font-semibold text-primary">CodeNomad</h1>
+                    <img src={codeNomadLogo} alt={t("messageSection.empty.logoAlt")} class="h-48 w-auto" loading="lazy" />
+                    <h1 class="text-3xl font-semibold text-primary">{t("messageSection.empty.brandTitle")}</h1>
                   </div>
-                  <h3>Start a conversation</h3>
-                  <p>Type a message below or open the Command Palette:</p>
+                  <h3>{t("messageSection.empty.title")}</h3>
+                  <p>{t("messageSection.empty.description")}</p>
                   <ul>
                     <li>
-                      <span>Command Palette</span>
+                      <span>{t("messageSection.empty.tips.commandPalette")}</span>
                       <Kbd shortcut="cmd+shift+p" class="ml-2" />
                     </li>
-                    <li>Ask about your codebase</li>
+                    <li>{t("messageSection.empty.tips.askAboutCodebase")}</li>
                     <li>
-                      Attach files with <code>@</code>
+                      {t("messageSection.empty.tips.attachFilesPrefix")} <code>@</code>
                     </li>
                   </ul>
                 </div>
@@ -775,7 +799,7 @@ export default function MessageSection(props: MessageSectionProps) {
             <Show when={props.loading}>
               <div class="loading-state">
                 <div class="spinner" />
-                <p>Loading messages...</p>
+                <p>{t("messageSection.loading.messages")}</p>
               </div>
             </Show>
  
@@ -803,7 +827,7 @@ export default function MessageSection(props: MessageSectionProps) {
           <Show when={showScrollTopButton() || showScrollBottomButton()}>
             <div class="message-scroll-button-wrapper">
               <Show when={showScrollTopButton()}>
-                <button type="button" class="message-scroll-button" onClick={() => scrollToTop()} aria-label="Scroll to first message">
+                <button type="button" class="message-scroll-button" onClick={() => scrollToTop()} aria-label={t("messageSection.scroll.toFirstAriaLabel")}>
                   <span class="message-scroll-icon" aria-hidden="true">↑</span>
                 </button>
               </Show>
@@ -812,7 +836,7 @@ export default function MessageSection(props: MessageSectionProps) {
                   type="button"
                   class="message-scroll-button"
                   onClick={() => scrollToBottom(false, { suppressAutoAnchor: false })}
-                  aria-label="Scroll to latest message"
+                  aria-label={t("messageSection.scroll.toLatestAriaLabel")}
                 >
                   <span class="message-scroll-icon" aria-hidden="true">↓</span>
                 </button>
@@ -828,10 +852,13 @@ export default function MessageSection(props: MessageSectionProps) {
               >
                 <div class="message-quote-button-group">
                   <button type="button" class="message-quote-button" onClick={() => handleQuoteSelectionRequest("quote")}>
-                    Add as quote
+                    {t("messageSection.quote.addAsQuote")}
                   </button>
                   <button type="button" class="message-quote-button" onClick={() => handleQuoteSelectionRequest("code")}>
-                    Add as code
+                    {t("messageSection.quote.addAsCode")}
+                  </button>
+                  <button type="button" class="message-quote-button" onClick={() => void handleCopySelectionRequest()}>
+                    {t("messageSection.quote.copy")}
                   </button>
                 </div>
               </div>

packages/ui/src/components/message-timeline.tsx

@@ -6,6 +6,7 @@ import type { MessageRecord } from "../stores/message-v2/types"
 import { buildRecordDisplayData } from "../stores/message-v2/record-display-cache"
 import { getToolIcon } from "./tool-call/utils"
 import { User as UserIcon, Bot as BotIcon, FoldVertical, ShieldAlert } from "lucide-solid"
+import { useI18n } from "../lib/i18n"
 
 export type TimelineSegmentType = "user" | "assistant" | "tool" | "compaction"
 
@@ -29,14 +30,6 @@ interface MessageTimelineProps {
   showToolSegments?: boolean
 }
 
-const SEGMENT_LABELS: Record<TimelineSegmentType, string> = {
-  user: "You",
-  assistant: "Asst",
-  tool: "Tool",
-  compaction: "Compaction",
-}
-
-const TOOL_FALLBACK_LABEL = "Tool Call"
 const MAX_TOOLTIP_LENGTH = 220
 
 type ToolCallPart = Extract<ClientPart, { type: "tool" }>
@@ -90,7 +83,7 @@ function collectReasoningText(part: ClientPart): string {
   return ""
 }
 
-function collectTextFromPart(part: ClientPart): string {
+function collectTextFromPart(part: ClientPart, t: (key: string, params?: Record<string, unknown>) => string): string {
   if (!part) return ""
   if (typeof (part as any).text === "string") {
     return (part as any).text as string
@@ -106,26 +99,28 @@ function collectTextFromPart(part: ClientPart): string {
   }
   if (part.type === "file") {
     const filename = (part as any)?.filename
-    return typeof filename === "string" && filename.length > 0 ? `[File] ${filename}` : "Attachment"
+    return typeof filename === "string" && filename.length > 0
+      ? t("messageTimeline.text.filePrefix", { filename })
+      : t("messageTimeline.text.attachment")
   }
   return ""
 }
 
-function getToolTitle(part: ToolCallPart): string {
+function getToolTitle(part: ToolCallPart, t: (key: string, params?: Record<string, unknown>) => string): string {
   const metadata = (((part as unknown as { state?: { metadata?: unknown } })?.state?.metadata) || {}) as { title?: unknown }
   const title = typeof metadata.title === "string" && metadata.title.length > 0 ? metadata.title : undefined
   if (title) return title
   if (typeof part.tool === "string" && part.tool.length > 0) {
     return part.tool
   }
-  return TOOL_FALLBACK_LABEL
+  return t("messageTimeline.tool.fallbackLabel")
 }
 
-function getToolTypeLabel(part: ToolCallPart): string {
+function getToolTypeLabel(part: ToolCallPart, t: (key: string, params?: Record<string, unknown>) => string): string {
   if (typeof part.tool === "string" && part.tool.trim().length > 0) {
     return part.tool.trim().slice(0, 4)
   }
-  return TOOL_FALLBACK_LABEL.slice(0, 4)
+  return t("messageTimeline.tool.fallbackLabel").slice(0, 4)
 }
 
 function formatTextsTooltip(texts: string[], fallback: string): string {
@@ -139,20 +134,34 @@ function formatTextsTooltip(texts: string[], fallback: string): string {
   return fallback
 }
 
-function formatToolTooltip(titles: string[]): string {
+function formatToolTooltip(
+  titles: string[],
+  t: (key: string, params?: Record<string, unknown>) => string,
+): string {
   if (titles.length === 0) {
-    return TOOL_FALLBACK_LABEL
+    return t("messageTimeline.tool.fallbackLabel")
   }
-  return truncateText(`${TOOL_FALLBACK_LABEL}: ${titles.join(", ")}`)
+  return truncateText(`${t("messageTimeline.tool.fallbackLabel")}: ${titles.join(", ")}`)
 }
 
-export function buildTimelineSegments(instanceId: string, record: MessageRecord): TimelineSegment[] {
+export function buildTimelineSegments(
+  instanceId: string,
+  record: MessageRecord,
+  t: (key: string, params?: Record<string, unknown>) => string,
+): TimelineSegment[] {
   if (!record) return []
   const { orderedParts } = buildRecordDisplayData(instanceId, record)
   if (!orderedParts || orderedParts.length === 0) {
     return []
   }
 
+  const segmentLabel = (type: TimelineSegmentType) => {
+    if (type === "user") return t("messageTimeline.segment.user.label")
+    if (type === "assistant") return t("messageTimeline.segment.assistant.label")
+    if (type === "compaction") return t("messageTimeline.segment.compaction.label")
+    return t("messageTimeline.tool.fallbackLabel").slice(0, 4)
+  }
+
   const result: TimelineSegment[] = []
   let segmentIndex = 0
   let pending: PendingSegment | null = null
@@ -164,14 +173,14 @@ export function buildTimelineSegments(instanceId: string, record: MessageRecord)
     }
     const isToolSegment = pending.type === "tool"
     const label = isToolSegment
-      ? pending.toolTypeLabels[0] || TOOL_FALLBACK_LABEL.slice(0, 4)
-      : SEGMENT_LABELS[pending.type]
+      ? pending.toolTypeLabels[0] || segmentLabel("tool")
+      : segmentLabel(pending.type)
     const shortLabel = isToolSegment ? pending.toolIcons[0] || getToolIcon("tool") : undefined
     const tooltip = isToolSegment
-      ? formatToolTooltip(pending.toolTitles)
+      ? formatToolTooltip(pending.toolTitles, t)
       : formatTextsTooltip(
           [...pending.texts, ...pending.reasoningTexts],
-          pending.type === "user" ? "User message" : "Assistant response",
+          pending.type === "user" ? t("messageTimeline.tooltip.userFallback") : t("messageTimeline.tooltip.assistantFallback"),
         )
  
     result.push({
@@ -204,8 +213,8 @@ export function buildTimelineSegments(instanceId: string, record: MessageRecord)
     if (part.type === "tool") {
       const target = ensureSegment("tool")
       const toolPart = part as ToolCallPart
-      target.toolTitles.push(getToolTitle(toolPart))
-      target.toolTypeLabels.push(getToolTypeLabel(toolPart))
+      target.toolTitles.push(getToolTitle(toolPart, t))
+      target.toolTypeLabels.push(getToolTypeLabel(toolPart, t))
       target.toolIcons.push(getToolIcon(typeof toolPart.tool === "string" ? toolPart.tool : "tool"))
       if (typeof toolPart.id === "string" && toolPart.id.length > 0) {
         target.toolPartIds.push(toolPart.id)
@@ -230,8 +239,8 @@ export function buildTimelineSegments(instanceId: string, record: MessageRecord)
         id: `${record.id}:${segmentIndex}`,
         messageId: record.id,
         type: "compaction",
-        label: SEGMENT_LABELS.compaction,
-        tooltip: isAuto ? "Auto Compaction" : "User Compaction",
+        label: segmentLabel("compaction"),
+        tooltip: isAuto ? t("messageTimeline.tooltip.compaction.auto") : t("messageTimeline.tooltip.compaction.manual"),
         variant: isAuto ? "auto" : "manual",
       })
       segmentIndex += 1
@@ -242,7 +251,7 @@ export function buildTimelineSegments(instanceId: string, record: MessageRecord)
       continue
     }
  
-    const text = collectTextFromPart(part)
+    const text = collectTextFromPart(part, t)
     if (text.trim().length === 0) continue
     const target = ensureSegment(defaultContentType)
     if (target) {
@@ -258,6 +267,7 @@ export function buildTimelineSegments(instanceId: string, record: MessageRecord)
 }
 
 const MessageTimeline: Component<MessageTimelineProps> = (props) => {
+  const { t } = useI18n()
   const buttonRefs = new Map<string, HTMLButtonElement>()
   const store = () => messageStoreBus.getOrCreate(props.instanceId)
   const [hoveredSegment, setHoveredSegment] = createSignal<TimelineSegment | null>(null)
@@ -360,7 +370,7 @@ const MessageTimeline: Component<MessageTimelineProps> = (props) => {
   })
  
   return (
-    <div class="message-timeline" role="navigation" aria-label="Message timeline">
+    <div class="message-timeline" role="navigation" aria-label={t("messageTimeline.ariaLabel")}>
       <For each={props.segments}>
         {(segment) => {
           onCleanup(() => buttonRefs.delete(segment.id))
@@ -438,4 +448,3 @@ const MessageTimeline: Component<MessageTimelineProps> = (props) => {
 }
  
 export default MessageTimeline
-

packages/ui/src/components/model-selector.tsx

@@ -1,9 +1,11 @@
 import { Combobox } from "@kobalte/core/combobox"
 import { createEffect, createMemo, createSignal } from "solid-js"
 import { providers, fetchProviders } from "../stores/sessions"
-import { ChevronDown } from "lucide-solid"
+import { ChevronDown, Star } from "lucide-solid"
 import type { Model } from "../types/session"
+import { useI18n } from "../lib/i18n"
 import { getLogger } from "../lib/logger"
+import { preferences, toggleFavoriteModelPreference } from "../stores/preferences"
 const log = getLogger("session")
 
 
@@ -21,10 +23,22 @@ interface FlatModel extends Model {
 }
 
 export default function ModelSelector(props: ModelSelectorProps) {
+  const { t } = useI18n()
   const instanceProviders = () => providers().get(props.instanceId) || []
   const [isOpen, setIsOpen] = createSignal(false)
+  const [manualAll, setManualAll] = createSignal(false)
+  const [explicitFavorites, setExplicitFavorites] = createSignal(false)
+  const [autoFavoritesEligibleAtOpen, setAutoFavoritesEligibleAtOpen] = createSignal(false)
+  const [searchDirty, setSearchDirty] = createSignal(false)
+  const [initialQuery, setInitialQuery] = createSignal("")
+  const [initialQueryReady, setInitialQueryReady] = createSignal(false)
+  const [inputValue, setInputValue] = createSignal("")
   let triggerRef!: HTMLButtonElement
   let searchInputRef!: HTMLInputElement
+  let listboxRef!: HTMLUListElement
+  let suppressNextClose = false
+  let wasFavoritesOnlyEnabled = false
+  let wasCurrentModelFavorite = false
 
   createEffect(() => {
     if (instanceProviders().length === 0) {
@@ -43,61 +57,232 @@ export default function ModelSelector(props: ModelSelectorProps) {
     ),
   )
 
+  const favoriteKeySet = createMemo(() => {
+    const result = new Set<string>()
+    for (const item of preferences().modelFavorites ?? []) {
+      if (item.providerId && item.modelId) {
+        result.add(`${item.providerId}/${item.modelId}`)
+      }
+    }
+    return result
+  })
+
+  const favoriteModels = createMemo<FlatModel[]>(() => {
+    const keys = favoriteKeySet()
+    if (keys.size === 0) return []
+    return allModels().filter((m) => keys.has(m.key))
+  })
+
+  const hasFavorites = createMemo(() => favoriteModels().length > 0)
+
   const currentModelValue = createMemo(() =>
     allModels().find((m) => m.providerId === props.currentModel.providerId && m.id === props.currentModel.modelId),
   )
 
+  const currentModelIsFavorite = createMemo(() => {
+    const current = props.currentModel
+    return favoriteKeySet().has(`${current.providerId}/${current.modelId}`)
+  })
+
+  const currentModelKey = createMemo(() => {
+    const current = props.currentModel
+    return `${current.providerId}/${current.modelId}`
+  })
+
+  const searchActive = createMemo(() => {
+    if (!searchDirty()) return false
+    const next = inputValue().trim()
+    return next.length > 0
+  })
+
+  const favoritesOnlyEnabled = createMemo(() => {
+    if (searchActive()) return false
+    if (manualAll()) return false
+    if (!hasFavorites()) return false
+    return explicitFavorites() || autoFavoritesEligibleAtOpen()
+  })
+
+  const visibleOptions = createMemo<FlatModel[]>(() => {
+    if (!favoritesOnlyEnabled()) {
+      return allModels()
+    }
+    return favoriteModels()
+  })
+
   const handleChange = async (value: FlatModel | null) => {
     if (!value) return
     await props.onModelChange({ providerId: value.providerId, modelId: value.id })
   }
 
-  const customFilter = (option: FlatModel, inputValue: string) => {
-    return option.searchText.toLowerCase().includes(inputValue.toLowerCase())
+  const customFilter = (option: FlatModel, rawInput: string) => {
+    if (!searchDirty()) return true
+    return option.searchText.toLowerCase().includes(rawInput.toLowerCase())
   }
 
   createEffect(() => {
     if (isOpen()) {
+      setManualAll(false)
+      setExplicitFavorites(false)
+      setAutoFavoritesEligibleAtOpen(hasFavorites() && currentModelIsFavorite())
+      setSearchDirty(false)
+      setInitialQuery("")
+      setInputValue("")
+      setInitialQueryReady(false)
       setTimeout(() => {
+        const seeded = searchInputRef?.value ?? ""
+        setInitialQuery(seeded)
+        setInputValue(seeded)
+        setInitialQueryReady(true)
         searchInputRef?.focus()
+        searchInputRef?.select()
       }, 100)
+    } else {
+      setInitialQueryReady(false)
+      setSearchDirty(false)
+      setAutoFavoritesEligibleAtOpen(false)
     }
   })
 
+  createEffect(() => {
+    if (!isOpen()) {
+      wasFavoritesOnlyEnabled = favoritesOnlyEnabled()
+      wasCurrentModelFavorite = currentModelIsFavorite()
+      return
+    }
+
+    const nowFavoritesOnlyEnabled = favoritesOnlyEnabled()
+    const nowCurrentModelFavorite = currentModelIsFavorite()
+
+    if (wasFavoritesOnlyEnabled && !nowFavoritesOnlyEnabled && wasCurrentModelFavorite && !nowCurrentModelFavorite) {
+      setTimeout(() => {
+        const key = currentModelKey()
+        const target = listboxRef?.querySelector(`[data-key="${key}"]`) as HTMLElement | null
+        target?.scrollIntoView({ block: "nearest" })
+      }, 0)
+    }
+
+    wasFavoritesOnlyEnabled = nowFavoritesOnlyEnabled
+    wasCurrentModelFavorite = nowCurrentModelFavorite
+  })
+
+  const handleSearchInput = (event: InputEvent & { currentTarget: HTMLInputElement }) => {
+    const next = event.currentTarget.value
+    setInputValue(next)
+    if (!initialQueryReady()) return
+    if (searchDirty()) return
+    if (next !== initialQuery()) {
+      setSearchDirty(true)
+    }
+  }
+
+  const preventListboxPress = (event: PointerEvent | MouseEvent) => {
+    event.preventDefault()
+    event.stopImmediatePropagation?.()
+    event.stopPropagation()
+    suppressNextClose = true
+    setTimeout(() => {
+      suppressNextClose = false
+    }, 0)
+  }
+
+  const toggleFavoritesOnly = () => {
+    if (!hasFavorites()) return
+    if (searchActive()) return
+
+    if (favoritesOnlyEnabled()) {
+      setManualAll(true)
+      setExplicitFavorites(false)
+      setAutoFavoritesEligibleAtOpen(false)
+      return
+    }
+
+    setExplicitFavorites(true)
+    setManualAll(false)
+  }
+
+  const showAllModels = () => {
+    setManualAll(true)
+    setExplicitFavorites(false)
+    setAutoFavoritesEligibleAtOpen(false)
+    setTimeout(() => searchInputRef?.focus(), 0)
+  }
+
   return (
     <div class="sidebar-selector">
       <Combobox<FlatModel>
+        open={isOpen()}
         value={currentModelValue()}
         onChange={handleChange}
-        onOpenChange={setIsOpen}
-        options={allModels()}
+        onOpenChange={(next) => {
+          if (!next && suppressNextClose) return
+          setIsOpen(next)
+        }}
+        options={visibleOptions()}
         optionValue="key"
         optionTextValue="searchText"
         optionLabel="name"
-        placeholder="Search models..."
+        placeholder={t("modelSelector.placeholder.search")}
         defaultFilter={customFilter}
         allowsEmptyCollection
-        itemComponent={(itemProps) => (
-          <Combobox.Item
-            item={itemProps.item}
-            class="selector-option"
-          >
-            <div class="selector-option-content">
-              <Combobox.ItemLabel class="selector-option-label">
-                {itemProps.item.rawValue.name}
-              </Combobox.ItemLabel>
-              <Combobox.ItemDescription class="selector-option-description">
-                {itemProps.item.rawValue.providerName} • {itemProps.item.rawValue.providerId}/
-                {itemProps.item.rawValue.id}
-              </Combobox.ItemDescription>
-            </div>
-            <Combobox.ItemIndicator class="selector-option-indicator">
-              <svg class="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7" />
-              </svg>
-            </Combobox.ItemIndicator>
-          </Combobox.Item>
-        )}
+        itemComponent={(itemProps) => {
+          const isFavorite = () => favoriteKeySet().has(itemProps.item.rawValue.key)
+          return (
+            <Combobox.Item
+              item={itemProps.item}
+              class="selector-option"
+            >
+              <>
+                <div class="selector-option-content">
+                  <Combobox.ItemLabel class="selector-option-label">{itemProps.item.rawValue.name}</Combobox.ItemLabel>
+                  <Combobox.ItemDescription class="selector-option-description">
+                    {itemProps.item.rawValue.providerName} • {itemProps.item.rawValue.providerId}/{itemProps.item.rawValue.id}
+                  </Combobox.ItemDescription>
+                </div>
+                <Combobox.ItemIndicator class="selector-option-indicator">
+                  <svg class="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7" />
+                  </svg>
+                </Combobox.ItemIndicator>
+                <button
+                  type="button"
+                  class="selector-option-star"
+                  data-active={isFavorite()}
+                  aria-label={
+                    isFavorite()
+                      ? t("modelSelector.favorite.remove")
+                      : t("modelSelector.favorite.add")
+                  }
+                  onPointerDown={preventListboxPress}
+                  onPointerUp={preventListboxPress}
+                  onMouseDown={preventListboxPress}
+                  onMouseUp={preventListboxPress}
+                  onKeyDown={(event) => {
+                    if (event.key !== "Enter" && event.key !== " ") return
+                    event.preventDefault()
+                    event.stopPropagation()
+                    suppressNextClose = true
+                    setTimeout(() => {
+                      suppressNextClose = false
+                    }, 0)
+                  }}
+                  onClick={(event) => {
+                    event.preventDefault()
+                    event.stopPropagation()
+                    toggleFavoriteModelPreference({
+                      providerId: itemProps.item.rawValue.providerId,
+                      modelId: itemProps.item.rawValue.id,
+                    })
+                  }}
+                >
+                  <Star
+                    class="w-4 h-4"
+                    fill={isFavorite() ? "currentColor" : "none"}
+                  />
+                </button>
+              </>
+            </Combobox.Item>
+          )
+        }}
       >
         <Combobox.Control class="relative w-full" data-model-selector-control>
           <Combobox.Input class="sr-only" data-model-selector />
@@ -105,11 +290,11 @@ export default function ModelSelector(props: ModelSelectorProps) {
             ref={triggerRef}
             class="selector-trigger"
           >
-            <div class="selector-trigger-label selector-trigger-label--stacked">
+            <div class="selector-trigger-label selector-trigger-label--stacked flex-1 min-w-0">
               <span class="selector-trigger-primary selector-trigger-primary--align-left">
-                Model: {currentModelValue()?.name ?? "None"}
+                {t("modelSelector.trigger.primary", { model: currentModelValue()?.name ?? t("modelSelector.none") })}
               </span>
-              {currentModelValue() && (
+          {currentModelValue() && (
                 <span class="selector-trigger-secondary">
                   {currentModelValue()!.providerId}/{currentModelValue()!.id}
                 </span>
@@ -124,13 +309,53 @@ export default function ModelSelector(props: ModelSelectorProps) {
         <Combobox.Portal>
           <Combobox.Content class="selector-popover">
             <div class="selector-search-container">
-              <Combobox.Input
-                ref={searchInputRef}
-                class="selector-search-input"
-                placeholder="Search models..."
-              />
+              <div class="selector-input-group">
+                <Combobox.Input
+                  ref={searchInputRef}
+                  class="selector-search-input flex-1 min-w-0"
+                  placeholder={t("modelSelector.placeholder.search")}
+                  onInput={handleSearchInput}
+                />
+                <button
+                  type="button"
+                  class="selector-favorites-toggle"
+                  aria-label={t("modelSelector.favoritesOnly.toggle.ariaLabel")}
+                  aria-pressed={favoritesOnlyEnabled()}
+                  disabled={!hasFavorites() || searchActive()}
+                  data-active={favoritesOnlyEnabled()}
+                  onClick={(event) => {
+                    event.preventDefault()
+                    event.stopPropagation()
+                    toggleFavoritesOnly()
+                  }}
+                >
+                  <Star class="w-4 h-4" fill={favoritesOnlyEnabled() ? "currentColor" : "none"} />
+                </button>
+              </div>
+            </div>
+            <Combobox.Listbox ref={listboxRef} class="selector-listbox" />
+            <div class="selector-footer">
+              <button
+                type="button"
+                class="selector-option selector-option-action w-full"
+                style={{ display: favoritesOnlyEnabled() && !searchActive() ? "flex" : "none" }}
+                onMouseDown={(event) => {
+                  event.preventDefault()
+                  event.stopPropagation()
+                }}
+                onPointerDown={(event) => {
+                  event.preventDefault()
+                  event.stopPropagation()
+                }}
+                onClick={(event) => {
+                  event.preventDefault()
+                  event.stopPropagation()
+                  showAllModels()
+                }}
+              >
+                <span class="selector-option-label">{t("modelSelector.favoritesOnly.showAll")}</span>
+              </button>
             </div>
-            <Combobox.Listbox class="selector-listbox" />
           </Combobox.Content>
         </Combobox.Portal>
       </Combobox>

packages/ui/src/components/opencode-binary-selector.tsx

@@ -4,6 +4,7 @@ import { useConfig } from "../stores/preferences"
 import { serverApi } from "../lib/api-client"
 import FileSystemBrowserDialog from "./filesystem-browser-dialog"
 import { openNativeFileDialog, supportsNativeDialogs } from "../lib/native/native-functions"
+import { useI18n } from "../lib/i18n"
 import { getLogger } from "../lib/logger"
 const log = getLogger("actions")
 
@@ -23,6 +24,7 @@ interface OpenCodeBinarySelectorProps {
 }
 
 const OpenCodeBinarySelector: Component<OpenCodeBinarySelectorProps> = (props) => {
+  const { t } = useI18n()
   const {
     opencodeBinaries,
     addOpenCodeBinary,
@@ -103,7 +105,7 @@ const OpenCodeBinarySelector: Component<OpenCodeBinarySelectorProps> = (props) =
     }
 
     if (validatingPaths().has(path)) {
-      return { valid: false, error: "Already validating" }
+      return { valid: false, error: t("opencodeBinarySelector.validation.alreadyValidating") }
     }
 
     try {
@@ -139,7 +141,7 @@ const OpenCodeBinarySelector: Component<OpenCodeBinarySelectorProps> = (props) =
     setValidationError(null)
     if (nativeDialogsAvailable) {
       const selected = await openNativeFileDialog({
-        title: "Select OpenCode Binary",
+        title: t("opencodeBinarySelector.dialog.title"),
       })
       if (selected) {
         setCustomPath(selected)
@@ -160,7 +162,7 @@ const OpenCodeBinarySelector: Component<OpenCodeBinarySelectorProps> = (props) =
       setCustomPath("")
       setValidationError(null)
     } else {
-      setValidationError(validation.error || "Invalid OpenCode binary")
+      setValidationError(validation.error || t("opencodeBinarySelector.validation.invalidBinary"))
     }
   }
  
@@ -202,14 +204,14 @@ const OpenCodeBinarySelector: Component<OpenCodeBinarySelectorProps> = (props) =
     const hours = Math.floor(minutes / 60)
     const days = Math.floor(hours / 24)
 
-    if (days > 0) return `${days}d ago`
-    if (hours > 0) return `${hours}h ago`
-    if (minutes > 0) return `${minutes}m ago`
-    return "just now"
+    if (days > 0) return t("time.relative.daysAgoShort", { count: days })
+    if (hours > 0) return t("time.relative.hoursAgoShort", { count: hours })
+    if (minutes > 0) return t("time.relative.minutesAgoShort", { count: minutes })
+    return t("time.relative.justNow")
   }
 
   function getDisplayName(path: string): string {
-    if (path === "opencode") return "opencode (system PATH)"
+    if (path === "opencode") return t("opencodeBinarySelector.display.systemPath", { name: "opencode" })
     const parts = path.split(/[/\\]/)
     return parts[parts.length - 1] ?? path
   }
@@ -221,13 +223,13 @@ const OpenCodeBinarySelector: Component<OpenCodeBinarySelectorProps> = (props) =
       <div class="panel">
         <div class="panel-header flex items-center justify-between gap-3">
           <div>
-            <h3 class="panel-title">OpenCode Binary</h3>
-            <p class="panel-subtitle">Choose which executable OpenCode should run</p>
+            <h3 class="panel-title">{t("opencodeBinarySelector.title")}</h3>
+            <p class="panel-subtitle">{t("opencodeBinarySelector.subtitle")}</p>
           </div>
           <Show when={validating()}>
             <div class="selector-loading text-xs">
               <Loader2 class="selector-loading-spinner" />
-              <span>Checking versions…</span>
+              <span>{t("opencodeBinarySelector.status.checkingVersions")}</span>
             </div>
           </Show>
         </div>
@@ -245,7 +247,7 @@ const OpenCodeBinarySelector: Component<OpenCodeBinarySelectorProps> = (props) =
                 }
               }}
               disabled={props.disabled}
-              placeholder="Enter path to opencode binary…"
+              placeholder={t("opencodeBinarySelector.customPath.placeholder")}
               class="selector-input"
             />
             <button
@@ -255,7 +257,7 @@ const OpenCodeBinarySelector: Component<OpenCodeBinarySelectorProps> = (props) =
               class="selector-button selector-button-primary"
             >
               <Plus class="w-4 h-4" />
-              Add
+              {t("opencodeBinarySelector.actions.add")}
             </button>
           </div>
 
@@ -266,7 +268,7 @@ const OpenCodeBinarySelector: Component<OpenCodeBinarySelectorProps> = (props) =
             class="selector-button selector-button-secondary w-full flex items-center justify-center gap-2"
           >
             <FolderOpen class="w-4 h-4" />
-            Browse for Binary…
+            {t("opencodeBinarySelector.actions.browse")}
           </button>
 
           <Show when={validationError()}>
@@ -308,16 +310,16 @@ const OpenCodeBinarySelector: Component<OpenCodeBinarySelectorProps> = (props) =
                       </Show>
                       <div class="flex items-center gap-2 text-xs text-muted pl-6 flex-wrap">
                         <Show when={versionLabel()}>
-                          <span class="selector-badge-version">v{versionLabel()}</span>
+                          <span class="selector-badge-version">{t("opencodeBinarySelector.versionLabel", { version: versionLabel() })}</span>
                         </Show>
                         <Show when={isPathValidating(binary.path)}>
-                          <span class="selector-badge-time">Checking…</span>
+                          <span class="selector-badge-time">{t("opencodeBinarySelector.status.checking")}</span>
                         </Show>
                         <Show when={!isDefault && binary.lastUsed}>
                           <span class="selector-badge-time">{formatRelativeTime(binary.lastUsed)}</span>
                         </Show>
                         <Show when={isDefault}>
-                          <span class="selector-badge-time">Use binary from system PATH</span>
+                          <span class="selector-badge-time">{t("opencodeBinarySelector.badge.systemPath")}</span>
                         </Show>
                       </div>
                     </div>
@@ -328,7 +330,7 @@ const OpenCodeBinarySelector: Component<OpenCodeBinarySelectorProps> = (props) =
                       class="p-2 text-muted hover:text-primary"
                       onClick={(event) => handleRemoveBinary(binary.path, event)}
                       disabled={props.disabled}
-                      title="Remove binary"
+                      title={t("opencodeBinarySelector.actions.removeTitle")}
                     >
                       <Trash2 class="w-3.5 h-3.5" />
                     </button>
@@ -343,8 +345,8 @@ const OpenCodeBinarySelector: Component<OpenCodeBinarySelectorProps> = (props) =
       <FileSystemBrowserDialog
         open={isBinaryBrowserOpen()}
         mode="files"
-        title="Select OpenCode Binary"
-        description="Browse files exposed by the CLI server."
+        title={t("opencodeBinarySelector.dialog.title")}
+        description={t("opencodeBinarySelector.dialog.description")}
         onClose={() => setIsBinaryBrowserOpen(false)}
         onSelect={handleBinaryBrowserSelect}
       />
@@ -353,4 +355,3 @@ const OpenCodeBinarySelector: Component<OpenCodeBinarySelectorProps> = (props) =
 }
  
 export default OpenCodeBinarySelector
-

packages/ui/src/components/permission-approval-modal.tsx

@@ -2,13 +2,13 @@ import { For, Show, createMemo, createSignal, createEffect, onCleanup, type Comp
 import type { PermissionRequestLike } from "../types/permission"
 import { getPermissionCallId, getPermissionDisplayTitle, getPermissionKind, getPermissionMessageId, getPermissionSessionId } from "../types/permission"
 import { getQuestionCallId, getQuestionMessageId, getQuestionSessionId, type QuestionRequest } from "../types/question"
+import { useI18n } from "../lib/i18n"
 import {
   activeInterruption,
   getPermissionQueue,
   getQuestionQueue,
   getQuestionEnqueuedAtForInstance,
-  setActivePermissionIdForInstance,
-  setActiveQuestionIdForInstance,
+  sendPermissionResponse,
 } from "../stores/instances"
 import { ensureSessionParentExpanded, loadMessages, sessions as sessionStateSessions, setActiveSessionFromList } from "../stores/sessions"
 import { messageStoreBus } from "../stores/message-v2/bus"
@@ -131,7 +131,50 @@ function resolveToolCallFromQuestion(instanceId: string, request: QuestionReques
 }
 
 const PermissionApprovalModal: Component<PermissionApprovalModalProps> = (props) => {
+  const { t } = useI18n()
   const [loadingSession, setLoadingSession] = createSignal<string | null>(null)
+  const [permissionSubmitting, setPermissionSubmitting] = createSignal<Set<string>>(new Set())
+  const [permissionError, setPermissionError] = createSignal<Map<string, string>>(new Map())
+
+  const setPermissionBusy = (permissionId: string, busy: boolean) => {
+    setPermissionSubmitting((prev) => {
+      const next = new Set(prev)
+      if (busy) next.add(permissionId)
+      else next.delete(permissionId)
+      return next
+    })
+  }
+
+  const setPermissionItemError = (permissionId: string, message: string | null) => {
+    setPermissionError((prev) => {
+      const next = new Map(prev)
+      if (!message) next.delete(permissionId)
+      else next.set(permissionId, message)
+      return next
+    })
+  }
+
+  async function handlePermissionDecision(permission: PermissionRequestLike, response: "once" | "always" | "reject") {
+    const permissionId = permission?.id
+    if (!permissionId) return
+
+    if (permissionSubmitting().has(permissionId)) return
+
+    setPermissionBusy(permissionId, true)
+    setPermissionItemError(permissionId, null)
+
+    try {
+      const sessionId = getPermissionSessionId(permission) || ""
+      await sendPermissionResponse(props.instanceId, sessionId, permissionId, response)
+    } catch (error) {
+      setPermissionItemError(
+        permissionId,
+        error instanceof Error ? error.message : t("permissionApproval.errors.unableToUpdatePermission"),
+      )
+    } finally {
+      setPermissionBusy(permissionId, false)
+    }
+  }
 
   const permissionQueue = createMemo(() => getPermissionQueue(props.instanceId))
   const questionQueue = createMemo(() => getQuestionQueue(props.instanceId))
@@ -219,19 +262,24 @@ const PermissionApprovalModal: Component<PermissionApprovalModalProps> = (props)
           <div class="permission-center-modal-header">
             <div class="permission-center-modal-title-row">
               <h2 id="permission-center-title" class="permission-center-modal-title">
-                Requests
+                {t("permissionApproval.title")}
               </h2>
               <Show when={orderedQueue().length > 0}>
                 <span class="permission-center-modal-count">{orderedQueue().length}</span>
               </Show>
             </div>
-            <button type="button" class="permission-center-modal-close" onClick={props.onClose} aria-label="Close">
+            <button
+              type="button"
+              class="permission-center-modal-close"
+              onClick={props.onClose}
+              aria-label={t("permissionApproval.actions.closeAriaLabel")}
+            >
               ✕
             </button>
           </div>
 
           <div class="permission-center-modal-body">
-            <Show when={hasRequests()} fallback={<div class="permission-center-empty">No pending requests.</div>}>
+            <Show when={hasRequests()} fallback={<div class="permission-center-empty">{t("permissionApproval.empty")}</div>}>
               <div class="permission-center-list" role="list">
                 <For each={orderedQueue()}>
                   {(item) => {
@@ -247,14 +295,17 @@ const PermissionApprovalModal: Component<PermissionApprovalModalProps> = (props)
 
                     const showFallback = () => !resolved()
 
-                    const kindLabel = () => (item.kind === "permission" ? "Permission" : "Question")
+                    const kindLabel = () =>
+                      item.kind === "permission"
+                        ? t("permissionApproval.kind.permission")
+                        : t("permissionApproval.kind.question")
 
                     const primaryTitle = () => {
                       if (item.kind === "permission") {
                         return getPermissionDisplayTitle(item.payload)
                       }
                       const first = item.payload.questions?.[0]?.question
-                      return typeof first === "string" && first.trim().length > 0 ? first : "Question"
+                      return typeof first === "string" && first.trim().length > 0 ? first : t("permissionApproval.kind.question")
                     }
 
                     const secondaryTitle = () => {
@@ -262,29 +313,22 @@ const PermissionApprovalModal: Component<PermissionApprovalModalProps> = (props)
                         return getPermissionKind(item.payload)
                       }
                       const count = item.payload.questions?.length ?? 0
-                      return count === 1 ? "1 question" : `${count} questions`
-                    }
-
-                    const handleActivate = () => {
-                      if (item.kind === "permission") {
-                        setActivePermissionIdForInstance(props.instanceId, item.id)
-                      } else {
-                        setActiveQuestionIdForInstance(props.instanceId, item.id)
-                      }
+                      return count === 1
+                        ? t("permissionApproval.questionCount.one", { count })
+                        : t("permissionApproval.questionCount.other", { count })
                     }
 
                     return (
                       <div
                         class={`permission-center-item${isActive() ? " permission-center-item-active" : ""}`}
                         role="listitem"
-                        onClick={handleActivate}
                       >
                         <div class="permission-center-item-header">
                           <div class="permission-center-item-heading">
                             <span class={`permission-center-item-chip permission-center-item-chip-${item.kind}`}>{kindLabel()}</span>
                             <span class="permission-center-item-kind">{secondaryTitle()}</span>
                             <Show when={isActive()}>
-                              <span class="permission-center-item-chip">Active</span>
+                              <span class="permission-center-item-chip">{t("permissionApproval.status.active")}</span>
                             </Show>
                           </div>
 
@@ -297,7 +341,7 @@ const PermissionApprovalModal: Component<PermissionApprovalModalProps> = (props)
                                 handleGoToSession(sessionId())
                               }}
                             >
-                              Go to Session
+                              {t("permissionApproval.actions.goToSession")}
                             </button>
                             <Show when={showFallback()}>
                               <button
@@ -309,23 +353,60 @@ const PermissionApprovalModal: Component<PermissionApprovalModalProps> = (props)
                                   handleLoadSession(sessionId())
                                 }}
                               >
-                                {loadingSession() === sessionId() ? "Loading…" : "Load Session"}
+                                {loadingSession() === sessionId()
+                                  ? t("permissionApproval.actions.loadingSession")
+                                  : t("permissionApproval.actions.loadSession")}
                               </button>
                             </Show>
                           </div>
                         </div>
 
-                        <Show
-                          when={resolved()}
-                          fallback={
-                            <div class="permission-center-fallback">
-                              <div class="permission-center-fallback-title">
-                                <code>{primaryTitle()}</code>
+                          <Show
+                            when={resolved()}
+                            fallback={
+                              <div class="permission-center-fallback">
+                                <div class="permission-center-fallback-title">
+                                  <code>{primaryTitle()}</code>
+                                </div>
+                                <Show when={item.kind === "permission"}>
+                                  <div class="tool-call-permission-actions">
+                                    <div class="tool-call-permission-buttons">
+                                      <button
+                                        type="button"
+                                        class="tool-call-permission-button"
+                                        disabled={permissionSubmitting().has(item.id)}
+                                        onClick={() => void handlePermissionDecision(item.payload as PermissionRequestLike, "once")}
+                                      >
+                                        {t("permissionApproval.actions.allowOnce")}
+                                      </button>
+                                      <button
+                                        type="button"
+                                        class="tool-call-permission-button"
+                                        disabled={permissionSubmitting().has(item.id)}
+                                        onClick={() => void handlePermissionDecision(item.payload as PermissionRequestLike, "always")}
+                                      >
+                                        {t("permissionApproval.actions.alwaysAllow")}
+                                      </button>
+                                      <button
+                                        type="button"
+                                        class="tool-call-permission-button"
+                                        disabled={permissionSubmitting().has(item.id)}
+                                        onClick={() => void handlePermissionDecision(item.payload as PermissionRequestLike, "reject")}
+                                      >
+                                        {t("permissionApproval.actions.deny")}
+                                      </button>
+                                    </div>
+                                  </div>
+                                  <Show when={permissionError().get(item.id)}>
+                                    {(err) => <div class="tool-call-permission-error">{err()}</div>}
+                                  </Show>
+                                </Show>
+                                <Show when={item.kind !== "permission"}>
+                                  <div class="permission-center-fallback-hint">{t("permissionApproval.fallbackHint")}</div>
+                                </Show>
                               </div>
-                              <div class="permission-center-fallback-hint">Load session for more information.</div>
-                            </div>
-                          }
-                        >
+                            }
+                          >
                           {(data) => (
                             <ToolCall
                               toolCall={data().toolPart}

packages/ui/src/components/permission-notification-banner.tsx

@@ -1,5 +1,6 @@
 import { Show, createMemo, type Component } from "solid-js"
 import { ShieldAlert } from "lucide-solid"
+import { useI18n } from "../lib/i18n"
 import { getPermissionQueueLength, getQuestionQueueLength } from "../stores/instances"
 
 interface PermissionNotificationBannerProps {
@@ -8,17 +9,38 @@ interface PermissionNotificationBannerProps {
 }
 
 const PermissionNotificationBanner: Component<PermissionNotificationBannerProps> = (props) => {
+  const { t } = useI18n()
   const permissionCount = createMemo(() => getPermissionQueueLength(props.instanceId))
   const questionCount = createMemo(() => getQuestionQueueLength(props.instanceId))
   const queueLength = createMemo(() => permissionCount() + questionCount())
   const hasRequests = createMemo(() => queueLength() > 0)
   const label = createMemo(() => {
     const total = queueLength()
+
+    const pendingLabel = total === 1
+      ? t("permissionBanner.pendingRequests.one", { count: total })
+      : t("permissionBanner.pendingRequests.other", { count: total })
+
     const parts: string[] = []
-    if (permissionCount() > 0) parts.push(`${permissionCount()} permission${permissionCount() === 1 ? "" : "s"}`)
-    if (questionCount() > 0) parts.push(`${questionCount()} question${questionCount() === 1 ? "" : "s"}`)
-    const detail = parts.length ? ` (${parts.join(", ")})` : ""
-    return `${total} pending request${total === 1 ? "" : "s"}${detail}`
+
+    if (permissionCount() > 0) {
+      parts.push(
+        permissionCount() === 1
+          ? t("permissionBanner.detail.permission.one", { count: permissionCount() })
+          : t("permissionBanner.detail.permission.other", { count: permissionCount() }),
+      )
+    }
+
+    if (questionCount() > 0) {
+      parts.push(
+        questionCount() === 1
+          ? t("permissionBanner.detail.question.one", { count: questionCount() })
+          : t("permissionBanner.detail.question.other", { count: questionCount() }),
+      )
+    }
+
+    const detail = parts.length ? t("permissionBanner.detail.wrapper", { detail: parts.join(", ") }) : ""
+    return `${pendingLabel}${detail}`
   })
 
   return (

packages/ui/src/components/prompt-input.tsx

@@ -14,6 +14,7 @@ import { getActiveInstance } from "../stores/instances"
 import { agents, getSessionDraftPrompt, setSessionDraftPrompt, clearSessionDraftPrompt, executeCustomCommand } from "../stores/sessions"
 import { getCommands } from "../stores/commands"
 import { showAlertDialog } from "../stores/alerts"
+import { useI18n } from "../lib/i18n"
 import { getLogger } from "../lib/logger"
 const log = getLogger("actions")
 
@@ -32,6 +33,7 @@ interface PromptInputProps {
 }
 
 export default function PromptInput(props: PromptInputProps) {
+  const { t } = useI18n()
   const [prompt, setPromptInternal] = createSignal("")
   const [history, setHistory] = createSignal<string[]>([])
   const HISTORY_LIMIT = 100
@@ -53,9 +55,9 @@ export default function PromptInput(props: PromptInputProps) {
 
   const getPlaceholder = () => {
     if (mode() === "shell") {
-      return "Run a shell command (Esc to exit)..."
+      return t("promptInput.placeholder.shell")
     }
-    return "Type your message, @file, @agent, or paste images and text..."
+    return t("promptInput.placeholder.default")
   }
 
 
@@ -604,6 +606,7 @@ export default function PromptInput(props: PromptInputProps) {
       }
     }
 
+    setExpandState("normal")
     clearPrompt()
 
     // Ignore attachments for slash commands, but keep them for next prompt.
@@ -641,8 +644,8 @@ export default function PromptInput(props: PromptInputProps) {
       }
     } catch (error) {
       log.error("Failed to send message:", error)
-      showAlertDialog("Failed to send message", {
-        title: "Send failed",
+      showAlertDialog(t("promptInput.send.errorFallback"), {
+        title: t("promptInput.send.errorTitle"),
         detail: error instanceof Error ? error.message : String(error),
         variant: "error",
       })
@@ -843,7 +846,10 @@ export default function PromptInput(props: PromptInputProps) {
         const currentPrompt = prompt()
         const pos = atPosition()
         const cursorPos = textareaRef?.selectionStart || 0
-        const folderMention = relativePath === "." || relativePath === "" ? "/" : displayPath
+        const folderMention =
+          relativePath === "." || relativePath === ""
+            ? "/"
+            : relativePath.replace(/\/+$/, "") + "/"
 
         if (pos !== null) {
           const before = currentPrompt.substring(0, pos + 1)
@@ -887,7 +893,7 @@ export default function PromptInput(props: PromptInputProps) {
       if (pos !== null) {
         const before = currentPrompt.substring(0, pos)
         const after = currentPrompt.substring(cursorPos)
-        const attachmentText = `@${filename}`
+        const attachmentText = `@${normalizedPath}`
         const newPrompt = before + attachmentText + " " + after
         setPrompt(newPrompt)
 
@@ -1015,7 +1021,7 @@ export default function PromptInput(props: PromptInputProps) {
     const blockquote = lines.map((line) => `> ${line}`).join("\n")
     if (!blockquote) return
 
-    insertBlockContent(`${blockquote}\n\n`)
+    insertBlockContent(`${blockquote}\n`)
   }
 
   function insertCodeSelection(rawText: string) {
@@ -1044,8 +1050,11 @@ export default function PromptInput(props: PromptInputProps) {
     return hasText || attachments().length > 0
   }
 
-  const shellHint = () => (mode() === "shell" ? { key: "Esc", text: "to exit shell mode" } : { key: "!", text: "Shell mode" })
-  const commandHint = () => ({ key: "/", text: "Commands" })
+  const shellHint = () =>
+    mode() === "shell"
+      ? { key: "Esc", text: t("promptInput.hints.shell.exit") }
+      : { key: "!", text: t("promptInput.hints.shell.enable") }
+  const commandHint = () => ({ key: "/", text: t("promptInput.hints.commands") })
 
   const shouldShowOverlay = () => prompt().length === 0
 
@@ -1111,7 +1120,7 @@ export default function PromptInput(props: PromptInputProps) {
                     class="prompt-history-button"
                     onClick={() => selectPreviousHistory(true)}
                     disabled={!canHistoryGoPrevious()}
-                    aria-label="Previous prompt"
+                    aria-label={t("promptInput.history.previousAriaLabel")}
                   >
                     <ArrowBigUp class="h-5 w-5" aria-hidden="true" />
                   </button>
@@ -1120,7 +1129,7 @@ export default function PromptInput(props: PromptInputProps) {
                     class="prompt-history-button"
                     onClick={() => selectNextHistory(true)}
                     disabled={!canHistoryGoNext()}
-                    aria-label="Next prompt"
+                    aria-label={t("promptInput.history.nextAriaLabel")}
                   >
                     <ArrowBigDown class="h-5 w-5" aria-hidden="true" />
                   </button>
@@ -1133,10 +1142,10 @@ export default function PromptInput(props: PromptInputProps) {
                     fallback={
                       <>
                         <span class="prompt-overlay-text">
-                          <Kbd>Enter</Kbd> New line • <Kbd shortcut="cmd+enter" /> Send • <Kbd>@</Kbd> Files/agents • <Kbd>↑↓</Kbd> History
+                          <Kbd>Enter</Kbd> {t("promptInput.overlay.newLine")} • <Kbd shortcut="cmd+enter" /> {t("promptInput.overlay.send")} • <Kbd>@</Kbd> {t("promptInput.overlay.filesAgents")} • <Kbd>↑↓</Kbd> {t("promptInput.overlay.history")}
                         </span>
                         <Show when={attachments().length > 0}>
-                          <span class="prompt-overlay-text prompt-overlay-muted">• {attachments().length} file(s) attached</span>
+                          <span class="prompt-overlay-text prompt-overlay-muted">{t("promptInput.overlay.attachments", { count: attachments().length })}</span>
                         </Show>
                         <span class="prompt-overlay-text">
                           • <Kbd>{shellHint().key}</Kbd> {shellHint().text}
@@ -1147,17 +1156,17 @@ export default function PromptInput(props: PromptInputProps) {
                           </span>
                         </Show>
                         <Show when={mode() === "shell"}>
-                          <span class="prompt-overlay-shell-active">Shell mode active</span>
+                          <span class="prompt-overlay-shell-active">{t("promptInput.overlay.shellModeActive")}</span>
                         </Show>
                       </>
                     }
                   >
                     <>
                       <span class="prompt-overlay-text prompt-overlay-warning">
-                        Press <Kbd>Esc</Kbd> again to abort session
+                        {t("promptInput.overlay.press")} <Kbd>Esc</Kbd> {t("promptInput.overlay.againToAbort")}
                       </span>
                       <Show when={mode() === "shell"}>
-                        <span class="prompt-overlay-shell-active">Shell mode active</span>
+                        <span class="prompt-overlay-shell-active">{t("promptInput.overlay.shellModeActive")}</span>
                       </Show>
                     </>
                   </Show>
@@ -1173,8 +1182,8 @@ export default function PromptInput(props: PromptInputProps) {
             class="stop-button"
             onClick={handleAbort}
             disabled={!canStop()}
-            aria-label="Stop session"
-            title="Stop session"
+            aria-label={t("promptInput.stopSession.ariaLabel")}
+            title={t("promptInput.stopSession.title")}
           >
             <svg class="stop-icon" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
               <rect x="4" y="4" width="12" height="12" rx="2" />
@@ -1185,7 +1194,7 @@ export default function PromptInput(props: PromptInputProps) {
             class={`send-button ${mode() === "shell" ? "shell-mode" : ""}`}
             onClick={handleSend}
             disabled={!canSend()}
-            aria-label="Send message"
+            aria-label={t("promptInput.send.ariaLabel")}
           >
             <Show
               when={mode() === "shell"}

packages/ui/src/components/remote-access-overlay.tsx

@@ -9,6 +9,7 @@ import { restartCli } from "../lib/native/cli"
 import { preferences, setListeningMode } from "../stores/preferences"
 import { showConfirmDialog } from "../stores/alerts"
 import { getLogger } from "../lib/logger"
+import { useI18n } from "../lib/i18n"
 const log = getLogger("actions")
 
 
@@ -18,6 +19,7 @@ interface RemoteAccessOverlayProps {
 }
 
 export function RemoteAccessOverlay(props: RemoteAccessOverlayProps) {
+  const { t } = useI18n()
   const [meta, setMeta] = createSignal<ServerMeta | null>(null)
   const [authStatus, setAuthStatus] = createSignal<{ authenticated: boolean; username?: string; passwordUserProvided?: boolean } | null>(null)
   const [loading, setLoading] = createSignal(false)
@@ -85,11 +87,11 @@ export function RemoteAccessOverlay(props: RemoteAccessOverlayProps) {
       return
     }
 
-    const confirmed = await showConfirmDialog("Restart to apply listening mode? This will stop all running instances.", {
-      title: allow ? "Open to other devices" : "Limit to this device",
+    const confirmed = await showConfirmDialog(t("remoteAccess.listeningMode.restartConfirm.message"), {
+      title: allow ? t("remoteAccess.listeningMode.restartConfirm.title.all") : t("remoteAccess.listeningMode.restartConfirm.title.local"),
       variant: "warning",
-      confirmLabel: "Restart now",
-      cancelLabel: "Cancel",
+      confirmLabel: t("remoteAccess.listeningMode.restartConfirm.confirmLabel"),
+      cancelLabel: t("remoteAccess.listeningMode.restartConfirm.cancelLabel"),
     })
 
     if (!confirmed) {
@@ -100,7 +102,7 @@ export function RemoteAccessOverlay(props: RemoteAccessOverlayProps) {
     setListeningMode(targetMode)
     const restarted = await restartCli()
     if (!restarted) {
-      setError("Unable to restart automatically. Please restart the app to apply the change.")
+      setError(t("remoteAccess.restart.errorManual"))
     } else {
       setMeta((prev) => (prev ? { ...prev, listeningMode: targetMode } : prev))
     }
@@ -123,12 +125,12 @@ export function RemoteAccessOverlay(props: RemoteAccessOverlayProps) {
     const confirm = passwordConfirm()
 
     if (next.trim().length < 8) {
-      setPasswordError("Password must be at least 8 characters.")
+      setPasswordError(t("remoteAccess.password.error.tooShort"))
       return
     }
 
     if (next !== confirm) {
-      setPasswordError("Passwords do not match.")
+      setPasswordError(t("remoteAccess.password.error.mismatch"))
       return
     }
 
@@ -162,11 +164,11 @@ export function RemoteAccessOverlay(props: RemoteAccessOverlayProps) {
           <Dialog.Content class="modal-surface remote-panel" tabIndex={-1}>
             <header class="remote-header">
               <div>
-                <p class="remote-eyebrow">Remote handover</p>
-                <h2 class="remote-title">Connect to CodeNomad remotely</h2>
-                <p class="remote-subtitle">Use the addresses below to open CodeNomad from another device.</p>
+                <p class="remote-eyebrow">{t("remoteAccess.eyebrow")}</p>
+                <h2 class="remote-title">{t("remoteAccess.title")}</h2>
+                <p class="remote-subtitle">{t("remoteAccess.subtitle")}</p>
               </div>
-              <button type="button" class="remote-close" onClick={props.onClose} aria-label="Close remote access">
+              <button type="button" class="remote-close" onClick={props.onClose} aria-label={t("remoteAccess.close")}>
                 ×
               </button>
             </header>
@@ -177,13 +179,13 @@ export function RemoteAccessOverlay(props: RemoteAccessOverlayProps) {
                   <div class="remote-section-title">
                     <Shield class="remote-icon" />
                     <div>
-                      <p class="remote-label">Listening mode</p>
-                      <p class="remote-help">Allow or limit remote handovers by binding to all interfaces or just localhost.</p>
+                      <p class="remote-label">{t("remoteAccess.sections.listeningMode.label")}</p>
+                      <p class="remote-help">{t("remoteAccess.sections.listeningMode.help")}</p>
                     </div>
                   </div>
                   <button class="remote-refresh" type="button" onClick={() => void refreshMeta()} disabled={loading()}>
                     <RefreshCw class={`remote-icon ${loading() ? "remote-spin" : ""}`} />
-                    <span class="remote-refresh-label">Refresh</span>
+                    <span class="remote-refresh-label">{t("remoteAccess.refresh")}</span>
                   </button>
                 </div>
 
@@ -196,19 +198,18 @@ export function RemoteAccessOverlay(props: RemoteAccessOverlayProps) {
                 >
                   <Switch.Input />
                   <Switch.Control class="remote-toggle-switch" data-checked={allowExternalConnections()}>
-                    <span class="remote-toggle-state">{allowExternalConnections() ? "On" : "Off"}</span>
+                    <span class="remote-toggle-state">{allowExternalConnections() ? t("remoteAccess.toggle.on") : t("remoteAccess.toggle.off")}</span>
                     <Switch.Thumb class="remote-toggle-thumb" />
                   </Switch.Control>
                   <div class="remote-toggle-copy">
-                    <span class="remote-toggle-title">Allow connections from other IPs</span>
+                    <span class="remote-toggle-title">{t("remoteAccess.toggle.title")}</span>
                     <span class="remote-toggle-caption">
-                      {allowExternalConnections() ? "Binding to 0.0.0.0" : "Binding to 127.0.0.1"}
+                      {allowExternalConnections() ? t("remoteAccess.toggle.caption.all") : t("remoteAccess.toggle.caption.local")}
                     </span>
                   </div>
                 </Switch>
                 <p class="remote-toggle-note">
-                  Changing this requires a restart and temporarily stops all active instances. Share the addresses below once the
-                  server restarts.
+                  {t("remoteAccess.toggle.note")}
                 </p>
               </section>
 
@@ -217,22 +218,24 @@ export function RemoteAccessOverlay(props: RemoteAccessOverlayProps) {
                   <div class="remote-section-title">
                     <Shield class="remote-icon" />
                     <div>
-                      <p class="remote-label">Server password</p>
-                      <p class="remote-help">Remote handovers require a password. Set a memorable one to enable logins from other devices.</p>
+                      <p class="remote-label">{t("remoteAccess.sections.serverPassword.label")}</p>
+                      <p class="remote-help">{t("remoteAccess.sections.serverPassword.help")}</p>
                     </div>
                   </div>
                 </div>
 
                 <Show
                   when={authStatus() && authStatus()!.authenticated}
-                  fallback={<div class="remote-card">Authentication status unavailable.</div>}
+                  fallback={<div class="remote-card">{t("remoteAccess.authStatus.unavailable")}</div>}
                 >
                   <div class="remote-card">
-                    <p class="remote-help">Username: {authStatus()!.username ?? "codenomad"}</p>
+                    <p class="remote-help">
+                      {t("remoteAccess.username", { username: authStatus()!.username ?? "codenomad" })}
+                    </p>
                     <p class="remote-help">
                       {authStatus()!.passwordUserProvided
-                        ? "A password is set for remote access."
-                        : "No memorable password is set yet. Set one to allow remote handover logins."}
+                        ? t("remoteAccess.password.status.set")
+                        : t("remoteAccess.password.status.unset")}
                     </p>
 
                     <div class="remote-actions" style={{ "justify-content": "flex-start", "margin-top": "12px" }}>
@@ -245,26 +248,26 @@ export function RemoteAccessOverlay(props: RemoteAccessOverlayProps) {
                         }}
                       >
                         {passwordFormOpen()
-                          ? "Cancel"
+                          ? t("remoteAccess.password.actions.cancel")
                           : authStatus()!.passwordUserProvided
-                            ? "Change password"
-                            : "Set password"}
+                            ? t("remoteAccess.password.actions.change")
+                            : t("remoteAccess.password.actions.set")}
                       </button>
                     </div>
 
                     <Show when={passwordFormOpen()}>
                       <div class="selector-input-group" style={{ "margin-top": "12px" }}>
-                        <label class="text-sm font-medium text-secondary">New password</label>
+                        <label class="text-sm font-medium text-secondary">{t("remoteAccess.password.form.newPassword")}</label>
                         <input
                           class="selector-input w-full"
                           type="password"
                           value={passwordValue()}
                           onInput={(event) => setPasswordValue(event.currentTarget.value)}
-                          placeholder="At least 8 characters"
+                          placeholder={t("remoteAccess.password.form.placeholder")}
                         />
                       </div>
                       <div class="selector-input-group" style={{ "margin-top": "10px" }}>
-                        <label class="text-sm font-medium text-secondary">Confirm password</label>
+                        <label class="text-sm font-medium text-secondary">{t("remoteAccess.password.form.confirmPassword")}</label>
                         <input
                           class="selector-input w-full"
                           type="password"
@@ -284,7 +287,7 @@ export function RemoteAccessOverlay(props: RemoteAccessOverlayProps) {
                           disabled={savingPassword()}
                           onClick={() => void handleSubmitPassword()}
                         >
-                          {savingPassword() ? "Saving…" : "Save password"}
+                          {savingPassword() ? t("remoteAccess.password.save.saving") : t("remoteAccess.password.save.label")}
                         </button>
                       </div>
                     </Show>
@@ -298,33 +301,39 @@ export function RemoteAccessOverlay(props: RemoteAccessOverlayProps) {
                   <div class="remote-section-title">
                     <Wifi class="remote-icon" />
                     <div>
-                      <p class="remote-label">Reachable addresses</p>
-                      <p class="remote-help">Launch or scan from another machine to hand over control.</p>
+                      <p class="remote-label">{t("remoteAccess.sections.addresses.label")}</p>
+                      <p class="remote-help">{t("remoteAccess.sections.addresses.help")}</p>
                     </div>
                   </div>
                 </div>
 
-                <Show when={!loading()} fallback={<div class="remote-card">Loading addresses…</div>}>
+                <Show when={!loading()} fallback={<div class="remote-card">{t("remoteAccess.addresses.loading")}</div>}>
                   <Show when={!error()} fallback={<div class="remote-error">{error()}</div>}>
-                    <Show when={displayAddresses().length > 0} fallback={<div class="remote-card">No addresses available yet.</div>}>
+                    <Show when={displayAddresses().length > 0} fallback={<div class="remote-card">{t("remoteAccess.addresses.none")}</div>}>
                       <div class="remote-address-list">
                         <For each={displayAddresses()}>
                           {(address) => {
                             const expandedState = () => expandedUrl() === address.url
                             const qr = () => qrCodes()[address.url]
+                            const scopeLabel = () =>
+                              address.scope === "external"
+                                ? t("remoteAccess.address.scope.network")
+                                : address.scope === "loopback"
+                                  ? t("remoteAccess.address.scope.loopback")
+                                  : t("remoteAccess.address.scope.internal")
                             return (
                               <div class="remote-address">
                                 <div class="remote-address-main">
                                   <div>
                                     <p class="remote-address-url">{address.url}</p>
                                     <p class="remote-address-meta">
-                                      {address.family.toUpperCase()} • {address.scope === "external" ? "Network" : address.scope === "loopback" ? "Loopback" : "Internal"} • {address.ip}
+                                      {address.family.toUpperCase()} • {scopeLabel()} • {address.ip}
                                     </p>
                                   </div>
                                   <div class="remote-actions">
                                     <button class="remote-pill" type="button" onClick={() => handleOpenUrl(address.url)}>
                                       <ExternalLink class="remote-icon" />
-                                      Open
+                                      {t("remoteAccess.address.open")}
                                     </button>
                                     <button
                                       class="remote-pill"
@@ -333,14 +342,20 @@ export function RemoteAccessOverlay(props: RemoteAccessOverlayProps) {
                                       aria-expanded={expandedState()}
                                     >
                                       <Link2 class="remote-icon" />
-                                      {expandedState() ? "Hide QR" : "Show QR"}
+                                      {expandedState() ? t("remoteAccess.address.hideQr") : t("remoteAccess.address.showQr")}
                                     </button>
                                   </div>
                                 </div>
                                 <Show when={expandedState()}>
                                   <div class="remote-qr">
                                     <Show when={qr()} fallback={<Loader2 class="remote-icon remote-spin" aria-hidden="true" />}>
-                                      {(dataUrl) => <img src={dataUrl()} alt={`QR for ${address.url}`} class="remote-qr-img" />}
+                                      {(dataUrl) => (
+                                        <img
+                                          src={dataUrl()}
+                                          alt={t("remoteAccess.address.qrAlt", { url: address.url })}
+                                          class="remote-qr-img"
+                                        />
+                                      )}
                                     </Show>
                                   </div>
                                 </Show>

packages/ui/src/components/session-list.tsx

@@ -2,11 +2,13 @@ import { Component, For, Show, createSignal, createMemo, createEffect, JSX, onCl
 import type { SessionStatus } from "../types/session"
 import type { SessionThread } from "../stores/session-state"
 import { getSessionStatus } from "../stores/session-status"
-import { Bot, User, Copy, Trash2, Pencil, ShieldAlert, ChevronDown } from "lucide-solid"
+import { Bot, User, Copy, Trash2, Pencil, ShieldAlert, ChevronDown, Search, Square, CheckSquare, MinusSquare } from "lucide-solid"
 import KeyboardHint from "./keyboard-hint"
 import SessionRenameDialog from "./session-rename-dialog"
 import { keyboardRegistry } from "../lib/keyboard-registry"
 import { showToastNotification } from "../lib/notifications"
+import { useI18n } from "../lib/i18n"
+import { showConfirmDialog } from "../stores/alerts"
 import {
   deleteSession,
   ensureSessionParentExpanded,
@@ -34,23 +36,82 @@ interface SessionListProps {
   showFooter?: boolean
   headerContent?: JSX.Element
   footerContent?: JSX.Element
+  enableFilterBar?: boolean
 }
 
 function formatSessionStatus(status: SessionStatus): string {
-  switch (status) {
-    case "working":
-      return "Working"
-    case "compacting":
-      return "Compacting"
-    default:
-      return "Idle"
-  }
+  return status
 }
 
 const SessionList: Component<SessionListProps> = (props) => {
+  const { t } = useI18n()
   const [renameTarget, setRenameTarget] = createSignal<{ id: string; title: string; label: string } | null>(null)
   const [isRenaming, setIsRenaming] = createSignal(false)
 
+  const [filterQuery, setFilterQuery] = createSignal("")
+  const normalizedQuery = createMemo(() => filterQuery().trim().toLowerCase())
+
+  const [selectedSessionIds, setSelectedSessionIds] = createSignal<Set<string>>(new Set())
+
+  const normalizeSessionLabel = (sessionId: string) => {
+    const session = sessionStateSessions().get(props.instanceId)?.get(sessionId)
+    const title = (session?.title ?? "").trim()
+    return title || t("sessionList.session.untitled")
+  }
+
+  const sessionMatchesQuery = (sessionId: string, query: string) => {
+    if (!query) return true
+    const label = normalizeSessionLabel(sessionId).toLowerCase()
+    if (label.includes(query)) return true
+    return sessionId.toLowerCase().includes(query)
+  }
+
+  const filteredThreads = createMemo<SessionThread[]>(() => {
+    const query = normalizedQuery()
+    if (!query) return props.threads
+
+    const next: SessionThread[] = []
+    for (const thread of props.threads) {
+      const parentMatches = sessionMatchesQuery(thread.parent.id, query)
+      const matchingChildren = thread.children.filter((child) => sessionMatchesQuery(child.id, query))
+
+      if (!parentMatches && matchingChildren.length === 0) continue
+
+      next.push({
+        parent: thread.parent,
+        children: matchingChildren,
+        latestUpdated: thread.latestUpdated,
+      })
+    }
+
+    return next
+  })
+
+  const allMatchingSessionIds = createMemo<string[]>(() => {
+    const ids: string[] = []
+    for (const thread of filteredThreads()) {
+      ids.push(thread.parent.id)
+      for (const child of thread.children) ids.push(child.id)
+    }
+    return ids
+  })
+
+  const selectedCount = createMemo(() => selectedSessionIds().size)
+
+  const isAllSelected = createMemo(() => {
+    const ids = allMatchingSessionIds()
+    if (ids.length === 0) return false
+    const selected = selectedSessionIds()
+    return ids.every((id) => selected.has(id))
+  })
+  const isSelectAllIndeterminate = createMemo(() => {
+    const ids = allMatchingSessionIds()
+    const total = ids.length
+    if (total === 0) return false
+    const count = selectedCount()
+    return count > 0 && count < total
+  })
+
   const isSessionDeleting = (sessionId: string) => {
     const deleting = loading().deletingSession.get(props.instanceId)
     return deleting ? deleting.has(sessionId) : false
@@ -59,9 +120,10 @@ const SessionList: Component<SessionListProps> = (props) => {
 
   const selectSession = (sessionId: string) => {
     const session = sessionStateSessions().get(props.instanceId)?.get(sessionId)
-    const parentId = session?.parentId ?? session?.id
-    if (parentId) {
-      ensureSessionParentExpanded(props.instanceId, parentId)
+    // If the user selects a child session, make sure its parent thread is expanded.
+    // For parent sessions we don't force expansion; user can collapse/expand freely.
+    if (session?.parentId) {
+      ensureSessionParentExpanded(props.instanceId, session.parentId)
     }
 
     props.onSelect(sessionId)
@@ -73,13 +135,13 @@ const SessionList: Component<SessionListProps> = (props) => {
     try {
       const success = await copyToClipboard(sessionId)
       if (success) {
-        showToastNotification({ message: "Session ID copied", variant: "success" })
+        showToastNotification({ message: t("sessionList.copyId.success"), variant: "success" })
       } else {
-        showToastNotification({ message: "Unable to copy session ID", variant: "error" })
+        showToastNotification({ message: t("sessionList.copyId.error"), variant: "error" })
       }
     } catch (error) {
       log.error(`Failed to copy session ID ${sessionId}:`, error)
-      showToastNotification({ message: "Unable to copy session ID", variant: "error" })
+      showToastNotification({ message: t("sessionList.copyId.error"), variant: "error" })
     }
   }
  
@@ -87,6 +149,17 @@ const SessionList: Component<SessionListProps> = (props) => {
     event.stopPropagation()
     if (isSessionDeleting(sessionId)) return
 
+    const confirmed = await showConfirmDialog(
+      t("sessionList.delete.confirmMessage", { label: normalizeSessionLabel(sessionId) }),
+      {
+        title: t("sessionList.delete.title"),
+        variant: "warning",
+        confirmLabel: t("sessionList.delete.confirmLabel"),
+        cancelLabel: t("sessionList.delete.cancelLabel"),
+      },
+    )
+    if (!confirmed) return
+
     const shouldSelectFallback = props.activeSessionId === sessionId
     let fallbackSessionId: string | undefined
 
@@ -127,7 +200,7 @@ const SessionList: Component<SessionListProps> = (props) => {
       }
     } catch (error) {
       log.error(`Failed to delete session ${sessionId}:`, error)
-      showToastNotification({ message: "Unable to delete session", variant: "error" })
+      showToastNotification({ message: t("sessionList.delete.error"), variant: "error" })
     }
   }
 
@@ -152,11 +225,120 @@ const SessionList: Component<SessionListProps> = (props) => {
       setRenameTarget(null)
     } catch (error) {
       log.error(`Failed to rename session ${target.id}:`, error)
-      showToastNotification({ message: "Unable to rename session", variant: "error" })
+      showToastNotification({ message: t("sessionList.rename.error"), variant: "error" })
     } finally {
       setIsRenaming(false)
     }
   }
+
+  const setSelectedMany = (sessionIds: string[], checked: boolean) => {
+    if (sessionIds.length === 0) return
+    setSelectedSessionIds((prev) => {
+      const next = new Set(prev)
+      sessionIds.forEach((id) => {
+        if (checked) next.add(id)
+        else next.delete(id)
+      })
+      return next
+    })
+  }
+
+  const getSelectableThreadIds = (parentId: string): string[] => {
+    const query = normalizedQuery()
+    const source = query ? filteredThreads() : props.threads
+    const thread = source.find((t) => t.parent.id === parentId)
+    if (!thread) return [parentId]
+    return [thread.parent.id, ...thread.children.map((c) => c.id)]
+  }
+
+  const getAllSessionIdsInOrder = (threads: SessionThread[]): string[] => {
+    const ids: string[] = []
+    threads.forEach((thread) => {
+      ids.push(thread.parent.id)
+      thread.children.forEach((child) => ids.push(child.id))
+    })
+    return ids
+  }
+
+  const handleToggleSelectAll = (checked: boolean) => {
+    const ids = allMatchingSessionIds()
+    setSelectedMany(ids, checked)
+  }
+
+  const toggleSelectAll = () => {
+    if (isAllSelected()) {
+      handleToggleSelectAll(false)
+      return
+    }
+    handleToggleSelectAll(true)
+  }
+
+  const handleBulkDelete = async () => {
+    const selected = Array.from(selectedSessionIds())
+    if (selected.length === 0) return
+
+    const confirmed = await showConfirmDialog(
+      t("sessionList.bulkDelete.confirmMessage", { count: selected.length }),
+      {
+        title: t("sessionList.bulkDelete.title"),
+        variant: "warning",
+        confirmLabel: t("sessionList.bulkDelete.confirmLabel"),
+        cancelLabel: t("sessionList.bulkDelete.cancelLabel"),
+      },
+    )
+
+    if (!confirmed) return
+
+    const deletedSet = new Set(selected)
+    const currentActiveId = props.activeSessionId
+
+    let fallbackSessionId: string | undefined
+    if (currentActiveId && deletedSet.has(currentActiveId)) {
+      const ordered = getAllSessionIdsInOrder(props.threads)
+      const currentIndex = ordered.indexOf(currentActiveId)
+
+      for (let i = Math.max(0, currentIndex); i < ordered.length; i++) {
+        const candidate = ordered[i]
+        if (candidate && !deletedSet.has(candidate)) {
+          fallbackSessionId = candidate
+          break
+        }
+      }
+      if (!fallbackSessionId) {
+        for (let i = currentIndex - 1; i >= 0; i--) {
+          const candidate = ordered[i]
+          if (candidate && !deletedSet.has(candidate)) {
+            fallbackSessionId = candidate
+            break
+          }
+        }
+      }
+    }
+
+    let failed = 0
+    for (const sessionId of selected) {
+      try {
+        // eslint-disable-next-line no-await-in-loop
+        await deleteSession(props.instanceId, sessionId)
+      } catch (error) {
+        failed += 1
+        log.error(`Failed to delete session ${sessionId}:`, error)
+      }
+    }
+
+    setSelectedSessionIds(new Set<string>())
+
+    if (fallbackSessionId) {
+      setActiveSessionFromList(props.instanceId, fallbackSessionId)
+    }
+
+    if (failed > 0) {
+      showToastNotification({
+        message: t("sessionList.bulkDelete.error", { count: failed }),
+        variant: "error",
+      })
+    }
+  }
  
 
   const SessionRow: Component<{
@@ -172,18 +354,54 @@ const SessionList: Component<SessionListProps> = (props) => {
       return <></>
     }
     const isActive = () => props.activeSessionId === rowProps.sessionId
-    const title = () => session()?.title || "Untitled"
+    const title = () => session()?.title || t("sessionList.session.untitled")
     const status = () => getSessionStatus(props.instanceId, rowProps.sessionId)
-    const statusLabel = () => formatSessionStatus(status())
+    const statusLabel = () => {
+      switch (formatSessionStatus(status())) {
+        case "working":
+          return t("sessionList.status.working")
+        case "compacting":
+          return t("sessionList.status.compacting")
+        default:
+          return t("sessionList.status.idle")
+      }
+    }
     const needsPermission = () => Boolean(session()?.pendingPermission)
     const needsQuestion = () => Boolean((session() as any)?.pendingQuestion)
     const needsInput = () => needsPermission() || needsQuestion()
     const statusClassName = () => (needsInput() ? "session-permission" : `session-${status()}`)
-    const statusText = () => (needsPermission() ? "Needs Permission" : needsQuestion() ? "Needs Input" : statusLabel())
+    const statusText = () =>
+      needsPermission()
+        ? t("sessionList.status.needsPermission")
+        : needsQuestion()
+          ? t("sessionList.status.needsInput")
+          : statusLabel()
  
-    return (
-       <div class="session-list-item group">
+    const isSelected = () => selectedSessionIds().has(rowProps.sessionId)
 
+    const parentGroupState = createMemo(() => {
+      if (rowProps.isChild) {
+        return { checked: isSelected(), indeterminate: false, ids: [rowProps.sessionId] }
+      }
+
+      const ids = getSelectableThreadIds(rowProps.sessionId)
+      const selected = selectedSessionIds()
+      const selectedInGroup = ids.reduce((count, id) => (selected.has(id) ? count + 1 : count), 0)
+      return {
+        checked: selectedInGroup > 0 && selectedInGroup === ids.length,
+        indeterminate: selectedInGroup > 0 && selectedInGroup < ids.length,
+        ids,
+      }
+    })
+
+    let rowCheckboxEl: HTMLInputElement | null = null
+    createEffect(() => {
+      if (!rowCheckboxEl) return
+      rowCheckboxEl.indeterminate = parentGroupState().indeterminate
+    })
+
+    return (
+      <div class="session-list-item group">
         <button
           class={`session-item-base ${rowProps.isChild ? `session-item-child${rowProps.isLastChild ? " session-item-child-last" : ""} session-item-border-assistant session-item-kind-assistant` : "session-item-border-user session-item-kind-user"} ${isActive() ? "session-item-active" : "session-item-inactive"}`}
           data-session-id={rowProps.sessionId}
@@ -195,11 +413,23 @@ const SessionList: Component<SessionListProps> = (props) => {
         >
           <div class="session-item-row session-item-header">
             <div class="session-item-title-row">
-              {rowProps.isChild ? (
-                <Bot class="w-4 h-4 flex-shrink-0" />
-              ) : (
-                <User class="w-4 h-4 flex-shrink-0" />
-              )}
+              <Show when={props.enableFilterBar}>
+                <input
+                  ref={(el) => {
+                    rowCheckboxEl = el
+                  }}
+                  type="checkbox"
+                  checked={parentGroupState().checked}
+                  onClick={(event) => event.stopPropagation()}
+                  onChange={(event) => {
+                    event.stopPropagation()
+                    setSelectedMany(parentGroupState().ids, event.currentTarget.checked)
+                  }}
+                  aria-label={t("sessionList.selection.checkboxAriaLabel")}
+                />
+              </Show>
+
+              {rowProps.isChild ? <Bot class="w-4 h-4 flex-shrink-0" /> : <User class="w-4 h-4 flex-shrink-0" />}
               <span class="session-item-title session-item-title--clamp">{title()}</span>
             </div>
           </div>
@@ -207,9 +437,7 @@ const SessionList: Component<SessionListProps> = (props) => {
             <div class="flex items-center gap-2 min-w-0">
               <Show
                 when={rowProps.hasChildren && !rowProps.isChild}
-                fallback={
-                  rowProps.isChild ? null : <span class="session-item-expander session-item-expander--spacer" aria-hidden="true" />
-                }
+                fallback={rowProps.isChild ? null : <span class="session-item-expander session-item-expander--spacer" aria-hidden="true" />}
               >
                 <span
                   class={`session-item-expander opacity-80 hover:opacity-100 ${isActive() ? "hover:bg-white/20" : "hover:bg-surface-hover"}`}
@@ -219,18 +447,16 @@ const SessionList: Component<SessionListProps> = (props) => {
                   }}
                   role="button"
                   tabIndex={0}
-                  aria-label={rowProps.expanded ? "Collapse session" : "Expand session"}
-                  title={rowProps.expanded ? "Collapse" : "Expand"}
+                  aria-label={
+                    rowProps.expanded ? t("sessionList.expand.collapseAriaLabel") : t("sessionList.expand.expandAriaLabel")
+                  }
+                  title={rowProps.expanded ? t("sessionList.expand.collapseTitle") : t("sessionList.expand.expandTitle")}
                 >
                   <ChevronDown class={`w-3.5 h-3.5 transition-transform ${rowProps.expanded ? "" : "-rotate-90"}`} />
                 </span>
               </Show>
               <span class={`status-indicator session-status session-status-list ${statusClassName()}`}>
-                {needsInput() ? (
-                  <ShieldAlert class="w-3.5 h-3.5" aria-hidden="true" />
-                ) : (
-                  <span class="status-dot" />
-                )}
+                {needsInput() ? <ShieldAlert class="w-3.5 h-3.5" aria-hidden="true" /> : <span class="status-dot" />}
                 {statusText()}
               </span>
             </div>
@@ -240,8 +466,8 @@ const SessionList: Component<SessionListProps> = (props) => {
                 onClick={(event) => copySessionId(event, rowProps.sessionId)}
                 role="button"
                 tabIndex={0}
-                aria-label="Copy session ID"
-                title="Copy session ID"
+                aria-label={t("sessionList.actions.copyId.ariaLabel")}
+                title={t("sessionList.actions.copyId.title")}
               >
                 <Copy class="w-3 h-3" />
               </span>
@@ -253,8 +479,8 @@ const SessionList: Component<SessionListProps> = (props) => {
                 }}
                 role="button"
                 tabIndex={0}
-                aria-label="Rename session"
-                title="Rename session"
+                aria-label={t("sessionList.actions.rename.ariaLabel")}
+                title={t("sessionList.actions.rename.title")}
               >
                 <Pencil class="w-3 h-3" />
               </span>
@@ -263,8 +489,8 @@ const SessionList: Component<SessionListProps> = (props) => {
                 onClick={(event) => handleDeleteSession(event, rowProps.sessionId)}
                 role="button"
                 tabIndex={0}
-                aria-label="Delete session"
-                title="Delete session"
+                aria-label={t("sessionList.actions.delete.ariaLabel")}
+                title={t("sessionList.actions.delete.title")}
               >
                 <Show
                   when={!isSessionDeleting(rowProps.sessionId)}
@@ -300,6 +526,13 @@ const SessionList: Component<SessionListProps> = (props) => {
   })
 
   createEffect(() => {
+    // Keep the active child session visible by ensuring its parent is expanded.
+    // Don't force-expanding when the active session itself is a parent lets users collapse it.
+    const activeId = props.activeSessionId
+    if (!activeId || activeId === "info") return
+    const activeSession = sessionStateSessions().get(props.instanceId)?.get(activeId)
+    if (!activeSession) return
+    if (!activeSession.parentId) return
     const parentId = activeParentId()
     if (!parentId) return
     ensureSessionParentExpanded(props.instanceId, parentId)
@@ -356,11 +589,68 @@ const SessionList: Component<SessionListProps> = (props) => {
     <div
       class="session-list-container bg-surface-secondary border-r border-base flex flex-col w-full"
     >
+      <Show when={props.enableFilterBar}>
+        <div class="p-3 border-b border-base">
+          <div class="flex items-center gap-2">
+            <div class="relative flex-1 min-w-0">
+              <span class="absolute left-3 top-1/2 -translate-y-1/2 text-muted" aria-hidden="true">
+                <Search class="w-4 h-4" />
+              </span>
+              <input
+                type="text"
+                class="form-input pl-9"
+                value={filterQuery()}
+                onInput={(e) => setFilterQuery(e.currentTarget.value)}
+                placeholder={t("sessionList.filter.placeholder")}
+                aria-label={t("sessionList.filter.ariaLabel")}
+              />
+            </div>
+
+            <button
+              type="button"
+              class="button-tertiary p-2 inline-flex items-center justify-center"
+              onClick={toggleSelectAll}
+              disabled={allMatchingSessionIds().length === 0}
+              aria-label={t("sessionList.selection.selectAllAriaLabel")}
+              title={t("sessionList.selection.selectAllLabel")}
+            >
+              <Show
+                when={isSelectAllIndeterminate()}
+                fallback={isAllSelected() ? <CheckSquare class="w-4 h-4" /> : <Square class="w-4 h-4" />}
+              >
+                <MinusSquare class="w-4 h-4" />
+              </Show>
+            </button>
+          </div>
+
+          <Show when={selectedCount() > 0}>
+            <div class="mt-2 flex items-center justify-end gap-2">
+              <button
+                type="button"
+                class="button-tertiary"
+                onClick={handleBulkDelete}
+                aria-label={t("sessionList.bulkDelete.ariaLabel", { count: selectedCount() })}
+              >
+                {t("sessionList.bulkDelete.button", { count: selectedCount() })}
+              </button>
+              <button
+                type="button"
+                class="button-tertiary"
+                onClick={() => setSelectedSessionIds(new Set<string>())}
+                aria-label={t("sessionList.selection.clearAriaLabel")}
+              >
+                {t("sessionList.selection.clearLabel")}
+              </button>
+            </div>
+          </Show>
+        </div>
+      </Show>
+
       <Show when={props.showHeader !== false}>
         <div class="session-list-header p-3 border-b border-base">
           {props.headerContent ?? (
             <div class="flex items-center justify-between gap-3">
-              <h3 class="text-sm font-semibold text-primary">Sessions</h3>
+              <h3 class="text-sm font-semibold text-primary">{t("sessionList.header.title")}</h3>
               <KeyboardHint
                 shortcuts={[keyboardRegistry.get("session-prev")!, keyboardRegistry.get("session-next")!].filter(Boolean)}
               />
@@ -369,33 +659,33 @@ const SessionList: Component<SessionListProps> = (props) => {
         </div>
       </Show>
 
-      <div class="session-list flex-1 overflow-y-auto" ref={(el) => listEl[1](el)}>
+       <div class="session-list flex-1 overflow-y-auto" ref={(el) => listEl[1](el)}>
 
-         <Show when={props.threads.length > 0}>
-           <div class="session-section">
-             <For each={props.threads}>
+          <Show when={filteredThreads().length > 0}>
+            <div class="session-section">
+              <For each={filteredThreads()}>
 
-              {(thread) => {
-                const expanded = () => isSessionParentExpanded(props.instanceId, thread.parent.id)
-                return (
-                  <>
-                      <SessionRow
-                        sessionId={thread.parent.id}
-                        hasChildren={thread.children.length > 0}
-                        expanded={expanded()}
-                        onToggleExpand={() => toggleSessionParentExpanded(props.instanceId, thread.parent.id)}
-                      />
+               {(thread) => {
+                 const expanded = () => (normalizedQuery() ? true : isSessionParentExpanded(props.instanceId, thread.parent.id))
+                 return (
+                   <>
+                       <SessionRow
+                         sessionId={thread.parent.id}
+                         hasChildren={thread.children.length > 0}
+                         expanded={expanded()}
+                         onToggleExpand={() => toggleSessionParentExpanded(props.instanceId, thread.parent.id)}
+                       />
 
-                    <Show when={expanded() && thread.children.length > 0}>
-                      <For each={thread.children}>
-                        {(child, index) => (
-                          <SessionRow sessionId={child.id} isChild isLastChild={index() === thread.children.length - 1} />
-                        )}
-                      </For>
-                    </Show>
-                  </>
-                )
-              }}
+                     <Show when={expanded() && thread.children.length > 0}>
+                       <For each={thread.children}>
+                         {(child, index) => (
+                           <SessionRow sessionId={child.id} isChild isLastChild={index() === thread.children.length - 1} />
+                         )}
+                       </For>
+                     </Show>
+                   </>
+                 )
+               }}
             </For>
           </div>
         </Show>
@@ -420,4 +710,3 @@ const SessionList: Component<SessionListProps> = (props) => {
 }
 
 export default SessionList
-

packages/ui/src/components/session-picker.tsx

@@ -5,6 +5,7 @@ import { getParentSessions, createSession, setActiveParentSession } from "../sto
 import { instances, stopInstance } from "../stores/instances"
 import { agents } from "../stores/sessions"
 import { getLogger } from "../lib/logger"
+import { useI18n } from "../lib/i18n"
 const log = getLogger("session")
 
 
@@ -15,6 +16,7 @@ interface SessionPickerProps {
 }
 
 const SessionPicker: Component<SessionPickerProps> = (props) => {
+  const { t } = useI18n()
   const [selectedAgent, setSelectedAgent] = createSignal<string>("")
   const [isCreating, setIsCreating] = createSignal(false)
 
@@ -40,10 +42,10 @@ const SessionPicker: Component<SessionPickerProps> = (props) => {
     const hours = Math.floor(minutes / 60)
     const days = Math.floor(hours / 24)
 
-    if (days > 0) return `${days}d ago`
-    if (hours > 0) return `${hours}h ago`
-    if (minutes > 0) return `${minutes}m ago`
-    return "just now"
+    if (days > 0) return t("time.relative.daysAgoShort", { count: days })
+    if (hours > 0) return t("time.relative.hoursAgoShort", { count: hours })
+    if (minutes > 0) return t("time.relative.minutesAgoShort", { count: minutes })
+    return t("time.relative.justNow")
   }
 
   async function handleSessionSelect(sessionId: string) {
@@ -74,19 +76,19 @@ const SessionPicker: Component<SessionPickerProps> = (props) => {
       <Dialog.Portal>
         <Dialog.Overlay class="modal-overlay" />
         <div class="fixed inset-0 z-50 flex items-center justify-center p-4">
-          <Dialog.Content class="modal-surface w-full max-w-lg p-6">
-            <Dialog.Title class="text-xl font-semibold text-primary mb-4">
-              OpenCode • {instance()?.folder.split("/").pop()}
-            </Dialog.Title>
+            <Dialog.Content class="modal-surface w-full max-w-lg p-6">
+              <Dialog.Title class="text-xl font-semibold text-primary mb-4">
+              {t("sessionPicker.title", { folder: instance()?.folder.split("/").pop() })}
+              </Dialog.Title>
 
             <div class="space-y-6">
               <Show
                 when={parentSessions().length > 0}
-                fallback={<div class="text-center py-4 text-sm text-muted">No previous sessions</div>}
+                fallback={<div class="text-center py-4 text-sm text-muted">{t("sessionPicker.empty.noPrevious")}</div>}
               >
                 <div>
                   <h3 class="text-sm font-medium text-secondary mb-2">
-                    Resume a session ({parentSessions().length}):
+                    {t("sessionPicker.resume.title", { count: parentSessions().length })}
                   </h3>
                   <div class="space-y-1 max-h-[400px] overflow-y-auto">
                     <For each={parentSessions()}>
@@ -98,7 +100,7 @@ const SessionPicker: Component<SessionPickerProps> = (props) => {
                         >
                           <div class="selector-option-content w-full">
                             <span class="selector-option-label truncate">
-                              {session.title || "Untitled"}
+                              {session.title || t("sessionPicker.session.untitled")}
                             </span>
                           </div>
                           <span class="selector-badge-time flex-shrink-0">
@@ -116,16 +118,16 @@ const SessionPicker: Component<SessionPickerProps> = (props) => {
                   <div class="w-full border-t border-base" />
                 </div>
                 <div class="relative flex justify-center text-sm">
-                  <span class="px-2 bg-surface-base text-muted">or</span>
+                  <span class="px-2 bg-surface-base text-muted">{t("sessionPicker.divider.or")}</span>
                 </div>
               </div>
 
               <div>
-                <h3 class="text-sm font-medium text-secondary mb-2">Start new session:</h3>
+                <h3 class="text-sm font-medium text-secondary mb-2">{t("sessionPicker.new.title")}</h3>
                 <div class="space-y-3">
                   <Show
                     when={agentList().length > 0}
-                    fallback={<div class="text-sm text-muted">Loading agents...</div>}
+                    fallback={<div class="text-sm text-muted">{t("sessionPicker.agents.loading")}</div>}
                   >
                     <select
                       class="selector-input w-full"
@@ -161,9 +163,13 @@ const SessionPicker: Component<SessionPickerProps> = (props) => {
                       </Show>
                       <Show
                         when={!isCreating()}
-                        fallback={<span>Creating...</span>}
+                        fallback={<span>{t("sessionPicker.actions.creating")}</span>}
                       >
-                        <span>{agentList().length === 0 ? "Loading agents..." : "Create Session"}</span>
+                        <span>
+                          {agentList().length === 0
+                            ? t("sessionPicker.agents.loading")
+                            : t("sessionPicker.actions.createSession")}
+                        </span>
                       </Show>
                     </div>
                     <kbd class="kbd ml-2">
@@ -180,7 +186,7 @@ const SessionPicker: Component<SessionPickerProps> = (props) => {
                 class="selector-button selector-button-secondary"
                 onClick={handleCancel}
               >
-                Cancel
+                {t("sessionPicker.actions.cancel")}
               </button>
             </div>
           </Dialog.Content>

packages/ui/src/components/session-rename-dialog.tsx

@@ -1,5 +1,6 @@
 import { Dialog } from "@kobalte/core/dialog"
 import { Component, Show, createEffect, createSignal } from "solid-js"
+import { useI18n } from "../lib/i18n"
 
 interface SessionRenameDialogProps {
   open: boolean
@@ -11,6 +12,7 @@ interface SessionRenameDialogProps {
 }
 
 const SessionRenameDialog: Component<SessionRenameDialogProps> = (props) => {
+  const { t } = useI18n()
   const [title, setTitle] = createSignal("")
   const inputId = `session-rename-${Math.random().toString(36).slice(2)}`
   let inputRef: HTMLInputElement | undefined
@@ -40,9 +42,9 @@ const SessionRenameDialog: Component<SessionRenameDialogProps> = (props) => {
 
   const description = () => {
     if (props.sessionLabel && props.sessionLabel.trim()) {
-      return `Update the title for "${props.sessionLabel}".`
+      return t("sessionRenameDialog.description.withLabel", { label: props.sessionLabel })
     }
-    return "Set a new title for this session."
+    return t("sessionRenameDialog.description.default")
   }
 
   return (
@@ -58,7 +60,7 @@ const SessionRenameDialog: Component<SessionRenameDialogProps> = (props) => {
         <Dialog.Overlay class="modal-overlay" />
         <div class="fixed inset-0 z-50 flex items-center justify-center p-4">
           <Dialog.Content class="modal-surface w-full max-w-sm p-6" tabIndex={-1}>
-            <Dialog.Title class="text-lg font-semibold text-primary">Rename Session</Dialog.Title>
+            <Dialog.Title class="text-lg font-semibold text-primary">{t("sessionRenameDialog.title")}</Dialog.Title>
             <Dialog.Description class="text-sm text-secondary mt-1">
               {description()}
             </Dialog.Description>
@@ -66,7 +68,7 @@ const SessionRenameDialog: Component<SessionRenameDialogProps> = (props) => {
             <form class="mt-4 space-y-4" onSubmit={handleRename}>
               <div class="space-y-2">
                 <label class="text-sm font-medium text-secondary" for={inputId}>
-                  Session name
+                  {t("sessionRenameDialog.input.label")}
                 </label>
                 <input
                   id={inputId}
@@ -76,7 +78,7 @@ const SessionRenameDialog: Component<SessionRenameDialogProps> = (props) => {
                   type="text"
                   value={title()}
                   onInput={(event) => setTitle(event.currentTarget.value)}
-                  placeholder="Enter a session name"
+                  placeholder={t("sessionRenameDialog.input.placeholder")}
                   class="w-full px-3 py-2 text-sm bg-surface-base border border-base rounded text-primary focus-ring-accent"
                 />
               </div>
@@ -92,7 +94,7 @@ const SessionRenameDialog: Component<SessionRenameDialogProps> = (props) => {
                   }}
                   disabled={isSubmitting()}
                 >
-                  Cancel
+                  {t("sessionRenameDialog.actions.cancel")}
                 </button>
                 <button
                   type="submit"
@@ -111,11 +113,11 @@ const SessionRenameDialog: Component<SessionRenameDialogProps> = (props) => {
                             d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
                           />
                         </svg>
-                        <span>Renaming…</span>
+                        <span>{t("sessionRenameDialog.actions.renaming")}</span>
                       </>
                     }
                   >
-                    Rename
+                    {t("sessionRenameDialog.actions.rename")}
                   </Show>
                 </button>
               </div>

packages/ui/src/components/session/context-usage-panel.tsx

@@ -1,6 +1,7 @@
 import { createMemo, type Component } from "solid-js"
 import { getSessionInfo } from "../../stores/sessions"
 import { formatTokenTotal } from "../../lib/formatters"
+import { useI18n } from "../../lib/i18n"
 
 interface ContextUsagePanelProps {
   instanceId: string
@@ -8,10 +9,11 @@ interface ContextUsagePanelProps {
 }
 
 const chipClass = "inline-flex items-center gap-1 rounded-full border border-base px-2 py-0.5 text-xs text-primary"
-const chipLabelClass = "uppercase text-[10px] tracking-wide text-primary/70"
-const headingClass = "text-xs font-semibold text-primary/70 uppercase tracking-wide"
+const chipLabelClass = "uppercase text-[10px] tracking-wide text-muted"
+const headingClass = "text-xs font-semibold text-muted uppercase tracking-wide"
 
 const ContextUsagePanel: Component<ContextUsagePanelProps> = (props) => {
+  const { t } = useI18n()
   const info = createMemo(
     () =>
       getSessionInfo(props.instanceId, props.sessionId) ?? {
@@ -39,7 +41,7 @@ const ContextUsagePanel: Component<ContextUsagePanelProps> = (props) => {
 
 
   const formatTokenValue = (value: number | null | undefined) => {
-    if (value === null || value === undefined) return "--"
+    if (value === null || value === undefined) return t("contextUsagePanel.unavailable")
     return formatTokenTotal(value)
   }
 
@@ -47,30 +49,30 @@ const ContextUsagePanel: Component<ContextUsagePanelProps> = (props) => {
 
   return (
     <div class="session-context-panel border-r border-base border-b px-3 py-3 space-y-3">
-      <div class="flex flex-wrap items-center gap-2 text-xs text-primary/90">
-        <div class={headingClass}>Tokens</div>
+      <div class="flex flex-wrap items-center gap-2 text-xs text-primary">
+        <div class={headingClass}>{t("contextUsagePanel.headings.tokens")}</div>
         <div class={chipClass}>
-          <span class={chipLabelClass}>Input</span>
+          <span class={chipLabelClass}>{t("contextUsagePanel.labels.input")}</span>
           <span class="font-semibold text-primary">{formatTokenTotal(inputTokens())}</span>
         </div>
         <div class={chipClass}>
-          <span class={chipLabelClass}>Output</span>
+          <span class={chipLabelClass}>{t("contextUsagePanel.labels.output")}</span>
           <span class="font-semibold text-primary">{formatTokenTotal(outputTokens())}</span>
         </div>
         <div class={chipClass}>
-          <span class={chipLabelClass}>Cost</span>
+          <span class={chipLabelClass}>{t("contextUsagePanel.labels.cost")}</span>
           <span class="font-semibold text-primary">{costDisplay()}</span>
         </div>
       </div>
 
-      <div class="flex flex-wrap items-center gap-2 text-xs text-primary/90">
-        <div class={headingClass}>Context</div>
+      <div class="flex flex-wrap items-center gap-2 text-xs text-primary">
+        <div class={headingClass}>{t("contextUsagePanel.headings.context")}</div>
         <div class={chipClass}>
-          <span class={chipLabelClass}>Used</span>
+          <span class={chipLabelClass}>{t("contextUsagePanel.labels.used")}</span>
           <span class="font-semibold text-primary">{formatTokenTotal(actualUsageTokens())}</span>
         </div>
         <div class={chipClass}>
-          <span class={chipLabelClass}>Avail</span>
+          <span class={chipLabelClass}>{t("contextUsagePanel.labels.available")}</span>
           <span class="font-semibold text-primary">{formatTokenValue(availableTokens())}</span>
         </div>
       </div>

packages/ui/src/components/session/session-view.tsx

@@ -1,4 +1,4 @@
-import { Show, For, createMemo, createEffect, type Component } from "solid-js"
+import { Show, For, createMemo, createEffect, on, type Component } from "solid-js"
 import { Expand } from "lucide-solid"
 import type { Session } from "../../types/session"
 import type { Attachment } from "../../types/attachment"
@@ -9,11 +9,12 @@ import PromptInput from "../prompt-input"
 import type { Attachment as PromptAttachment } from "../../types/attachment"
 import { getAttachments, removeAttachment } from "../../stores/attachments"
 import { instances } from "../../stores/instances"
-import { loadMessages, sendMessage, forkSession, isSessionMessagesLoading, setActiveParentSession, setActiveSession, runShellCommand, abortSession } from "../../stores/sessions"
+import { loadMessages, sendMessage, forkSession, renameSession, isSessionMessagesLoading, setActiveParentSession, setActiveSession, runShellCommand, abortSession } from "../../stores/sessions"
 import { isSessionBusy as getSessionBusyStatus } from "../../stores/session-status"
 import { showAlertDialog } from "../../stores/alerts"
 import { getLogger } from "../../lib/logger"
 import { requestData } from "../../lib/opencode-api"
+import { useI18n } from "../../lib/i18n"
 
 const log = getLogger("session")
 
@@ -34,6 +35,7 @@ interface SessionViewProps {
 }
 
 export const SessionView: Component<SessionViewProps> = (props) => {
+  const { t } = useI18n()
   const session = () => props.activeSessions.get(props.sessionId)
   const messagesLoading = createMemo(() => isSessionMessagesLoading(props.instanceId, props.sessionId))
   const messageStore = createMemo(() => messageStoreBus.getOrCreate(props.instanceId))
@@ -110,6 +112,43 @@ export const SessionView: Component<SessionViewProps> = (props) => {
     if (!props.isActive) return
     scheduleScrollToBottom()
   })
+
+  createEffect(
+    on(
+      () => props.isActive,
+      (isActive) => {
+        if (!isActive) return
+
+        // Don't steal focus from other inputs (command palette, dialogs, selectors, etc.)
+        if (typeof document === "undefined") return
+        const activeEl = document.activeElement as HTMLElement | null
+        const activeIsInput =
+          activeEl?.tagName === "INPUT" ||
+          activeEl?.tagName === "TEXTAREA" ||
+          activeEl?.tagName === "SELECT" ||
+          Boolean(activeEl?.isContentEditable)
+        if (activeIsInput) return
+
+        const modalOpen = Boolean(document.querySelector('[role="dialog"][aria-modal="true"]'))
+        if (modalOpen) return
+
+        // Defer until the session pane is visible and the textarea is mounted.
+        requestAnimationFrame(() => {
+          requestAnimationFrame(() => {
+            const textarea = rootRef?.querySelector<HTMLTextAreaElement>(".prompt-input")
+            if (!textarea) return
+            if (textarea.disabled) return
+
+            try {
+              textarea.focus({ preventScroll: true } as any)
+            } catch {
+              textarea.focus()
+            }
+          })
+        })
+      },
+    ),
+  )
   let quoteHandler: ((text: string, mode: "quote" | "code") => void) | null = null
  
   createEffect(() => {
@@ -152,8 +191,8 @@ export const SessionView: Component<SessionViewProps> = (props) => {
       log.info("Abort requested", { instanceId: props.instanceId, sessionId: currentSession.id })
     } catch (error) {
       log.error("Failed to abort session", error)
-      showAlertDialog("Failed to stop session", {
-        title: "Stop failed",
+      showAlertDialog(t("sessionView.alerts.abortFailed.message"), {
+        title: t("sessionView.alerts.abortFailed.title"),
         detail: error instanceof Error ? error.message : String(error),
         variant: "error",
       })
@@ -201,8 +240,8 @@ export const SessionView: Component<SessionViewProps> = (props) => {
       }
     } catch (error) {
       log.error("Failed to revert message", error)
-      showAlertDialog("Failed to revert to message", {
-        title: "Revert failed",
+      showAlertDialog(t("sessionView.alerts.revertFailed.message"), {
+        title: t("sessionView.alerts.revertFailed.title"),
         variant: "error",
       })
     }
@@ -215,10 +254,15 @@ export const SessionView: Component<SessionViewProps> = (props) => {
     }
 
     const restoredText = getUserMessageText(messageId)
+    const parentTitle = (session()?.title ?? "").trim() || t("sessionList.session.untitled")
 
     try {
       const forkedSession = await forkSession(props.instanceId, props.sessionId, { messageId })
 
+      renameSession(props.instanceId, forkedSession.id, `Fork: ${parentTitle}`).catch((error) => {
+        log.error("Failed to rename forked session", error)
+      })
+
       const parentToActivate = forkedSession.parentId ?? forkedSession.id
       setActiveParentSession(props.instanceId, parentToActivate)
       if (forkedSession.parentId) {
@@ -237,8 +281,8 @@ export const SessionView: Component<SessionViewProps> = (props) => {
       }
     } catch (error) {
       log.error("Failed to fork session", error)
-      showAlertDialog("Failed to fork session", {
-        title: "Fork failed",
+      showAlertDialog(t("sessionView.alerts.forkFailed.message"), {
+        title: t("sessionView.alerts.forkFailed.title"),
         variant: "error",
       })
     }
@@ -250,7 +294,7 @@ export const SessionView: Component<SessionViewProps> = (props) => {
       when={session()}
       fallback={
         <div class="flex items-center justify-center h-full">
-          <div class="text-center text-gray-500">Session not found</div>
+          <div class="text-center text-gray-500">{t("sessionView.fallback.sessionNotFound")}</div>
         </div>
       }
     >
@@ -296,8 +340,8 @@ export const SessionView: Component<SessionViewProps> = (props) => {
                               type="button"
                               class="attachment-expand"
                               onClick={() => handleExpandTextAttachment(attachment)}
-                              aria-label="Expand pasted text"
-                              title="Insert pasted text"
+                              aria-label={t("sessionView.attachments.expandPastedTextAriaLabel")}
+                              title={t("sessionView.attachments.insertPastedTextTitle")}
                             >
                               <Expand class="h-3 w-3" aria-hidden="true" />
                             </button>
@@ -306,7 +350,7 @@ export const SessionView: Component<SessionViewProps> = (props) => {
                             type="button"
                             class="attachment-remove"
                             onClick={() => removeAttachment(props.instanceId, props.sessionId, attachment.id)}
-                            aria-label="Remove attachment"
+                            aria-label={t("sessionView.attachments.removeAriaLabel")}
                           >
                             ×
                           </button>

packages/ui/src/components/theme-mode-toggle.tsx

@@ -0,0 +1,39 @@
+import { createMemo, type Component } from "solid-js"
+import { Laptop, Moon, Sun } from "lucide-solid"
+import { useI18n } from "../lib/i18n"
+import { useTheme } from "../lib/theme"
+
+interface ThemeModeToggleProps {
+  class?: string
+}
+
+export const ThemeModeToggle: Component<ThemeModeToggleProps> = (props) => {
+  const { t } = useI18n()
+  const { themeMode, cycleThemeMode } = useTheme()
+
+  const modeLabel = () => {
+    const mode = themeMode()
+    if (mode === "system") return t("theme.mode.system")
+    if (mode === "light") return t("theme.mode.light")
+    return t("theme.mode.dark")
+  }
+
+  const icon = createMemo(() => {
+    const mode = themeMode()
+    if (mode === "system") return <Laptop class="w-4 h-4" />
+    if (mode === "light") return <Sun class="w-4 h-4" />
+    return <Moon class="w-4 h-4" />
+  })
+
+  return (
+    <button
+      type="button"
+      class={props.class ?? "new-tab-button"}
+      onClick={cycleThemeMode}
+      aria-label={t("theme.toggle.ariaLabel", { mode: modeLabel() })}
+      title={t("theme.toggle.title", { mode: modeLabel() })}
+    >
+      {icon()}
+    </button>
+  )
+}

packages/ui/src/components/thinking-selector.tsx

@@ -0,0 +1,109 @@
+import { Combobox } from "@kobalte/core/combobox"
+import { createEffect, createMemo } from "solid-js"
+import { providers, fetchProviders } from "../stores/sessions"
+import { ChevronDown } from "lucide-solid"
+import { getLogger } from "../lib/logger"
+import { getModelThinkingSelection, setModelThinkingSelection } from "../stores/preferences"
+import { useI18n } from "../lib/i18n"
+
+const log = getLogger("session")
+
+interface ThinkingSelectorProps {
+  instanceId: string
+  currentModel: { providerId: string; modelId: string }
+}
+
+type ThinkingOption = {
+  key: string
+  label: string
+  value: string | undefined
+}
+
+export default function ThinkingSelector(props: ThinkingSelectorProps) {
+  const { t } = useI18n()
+  const instanceProviders = () => providers().get(props.instanceId) || []
+
+  createEffect(() => {
+    if (instanceProviders().length === 0) {
+      fetchProviders(props.instanceId).catch((error) => log.error("Failed to fetch providers", error))
+    }
+  })
+
+  const variantKeys = createMemo(() => {
+    const { providerId, modelId } = props.currentModel
+    const provider = instanceProviders().find((p) => p.id === providerId)
+    const model = provider?.models.find((m) => m.id === modelId)
+    return model?.variantKeys ?? []
+  })
+
+  const options = createMemo<ThinkingOption[]>(() => {
+    const keys = variantKeys()
+    return [
+      { key: "__default__", label: t("thinkingSelector.variant.default"), value: undefined },
+      ...keys.map((k) => ({ key: k, label: k, value: k })),
+    ]
+  })
+
+  const currentValue = createMemo(() => {
+    const selected = getModelThinkingSelection(props.currentModel)
+    const keys = variantKeys()
+    if (selected && keys.includes(selected)) {
+      return options().find((opt) => opt.value === selected)
+    }
+    return options()[0]
+  })
+
+  const handleChange = (value: ThinkingOption | null) => {
+    if (!value) return
+    setModelThinkingSelection(props.currentModel, value.value)
+  }
+
+  const triggerPrimary = createMemo(() => {
+    const selected = currentValue()?.value
+    const variant = selected ?? t("thinkingSelector.variant.default")
+    return t("thinkingSelector.label", { variant })
+  })
+
+  return (
+    <div class="sidebar-selector">
+      <Combobox<ThinkingOption>
+        value={currentValue()}
+        onChange={handleChange}
+        options={options()}
+        optionValue="key"
+        optionLabel="label"
+        placeholder={t("thinkingSelector.label", { variant: t("thinkingSelector.variant.default") })}
+        itemComponent={(itemProps) => (
+          <Combobox.Item item={itemProps.item} class="selector-option">
+            <div class="selector-option-content">
+              <Combobox.ItemLabel class="selector-option-label">{itemProps.item.rawValue.label}</Combobox.ItemLabel>
+            </div>
+            <Combobox.ItemIndicator class="selector-option-indicator">
+              <svg class="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7" />
+              </svg>
+            </Combobox.ItemIndicator>
+          </Combobox.Item>
+        )}
+      >
+        <Combobox.Control class="relative w-full" data-thinking-selector-control>
+          <Combobox.Input class="sr-only" data-thinking-selector />
+          <Combobox.Trigger class="selector-trigger">
+            <div class="selector-trigger-label selector-trigger-label--stacked flex-1 min-w-0">
+              <span class="selector-trigger-primary selector-trigger-primary--align-left">{triggerPrimary()}</span>
+            </div>
+            <Combobox.Icon class="selector-trigger-icon">
+              <ChevronDown class="w-3 h-3" />
+            </Combobox.Icon>
+          </Combobox.Trigger>
+        </Combobox.Control>
+
+        <Combobox.Portal>
+          <Combobox.Content class="selector-popover">
+            <Combobox.Listbox class="selector-listbox" />
+          </Combobox.Content>
+        </Combobox.Portal>
+      </Combobox>
+    </div>
+  )
+}

packages/ui/src/components/tool-call.tsx

@@ -1,16 +1,23 @@
-import { createSignal, Show, For, createEffect, createMemo, onCleanup } from "solid-js"
+import { createSignal, Show, createEffect, createMemo, onCleanup } from "solid-js"
+import { Copy } from "lucide-solid"
 import { messageStoreBus } from "../stores/message-v2/bus"
-import { Markdown } from "./markdown"
-import { ToolCallDiffViewer } from "./diff-viewer"
 import { useTheme } from "../lib/theme"
 import { useGlobalCache } from "../lib/hooks/use-global-cache"
 import { useConfig } from "../stores/preferences"
-import type { DiffViewMode } from "../stores/preferences"
 import { activeInterruption, sendPermissionResponse, sendQuestionReject, sendQuestionReply } from "../stores/instances"
-import { getPermissionDisplayTitle, getPermissionKind, getPermissionSessionId } from "../types/permission"
+import { copyToClipboard } from "../lib/clipboard"
+import type { PermissionRequestLike } from "../types/permission"
+import { getPermissionSessionId } from "../types/permission"
 import type { QuestionRequest } from "@opencode-ai/sdk/v2"
-import type { TextPart, RenderCache } from "../types/message"
+import { useI18n } from "../lib/i18n"
 import { resolveToolRenderer } from "./tool-call/renderers"
+import { QuestionToolBlock } from "./tool-call/question-block"
+import { PermissionToolBlock } from "./tool-call/permission-block"
+import { createAnsiContentRenderer } from "./tool-call/ansi-render"
+import { createDiffContentRenderer } from "./tool-call/diff-render"
+import { createMarkdownContentRenderer } from "./tool-call/markdown-render"
+import { extractDiagnostics, diagnosticFileName } from "./tool-call/diagnostics"
+import { renderDiagnosticsSection } from "./tool-call/diagnostics-section"
 import type {
   DiffPayload,
   DiffRenderOptions,
@@ -23,15 +30,11 @@ import type {
 import { getRelativePath, getToolIcon, getToolName, isToolStateCompleted, isToolStateError, isToolStateRunning, getDefaultToolAction } from "./tool-call/utils"
 import { resolveTitleForTool } from "./tool-call/tool-title"
 import { getLogger } from "../lib/logger"
-import { ansiToHtml, createAnsiStreamRenderer, hasAnsi } from "../lib/ansi"
-import { escapeHtml } from "../lib/markdown"
 
 const log = getLogger("session")
 
 type ToolState = import("@opencode-ai/sdk").ToolState
 
-type AnsiRenderCache = RenderCache & { hasAnsi: boolean }
-
 const TOOL_CALL_CACHE_SCOPE = "tool-call"
 const TOOL_SCROLL_SENTINEL_MARGIN_PX = 48
 const TOOL_SCROLL_INTENT_WINDOW_MS = 600
@@ -58,170 +61,21 @@ interface ToolCallProps {
   instanceId: string
   sessionId: string
   onContentRendered?: () => void
+  /**
+   * When true, tool call starts collapsed regardless of user preferences.
+   * Users can still expand/collapse manually.
+   */
+  forceCollapsed?: boolean
  }
 
 
 
-interface LspRangePosition {
-  line?: number
-  character?: number
-}
 
-interface LspRange {
-  start?: LspRangePosition
-}
-
-interface LspDiagnostic {
-  message?: string
-  severity?: number
-  range?: LspRange
-}
-
-interface DiagnosticEntry {
-  id: string
-  severity: number
-  tone: "error" | "warning" | "info"
-  label: string
-  icon: string
-  message: string
-  filePath: string
-  displayPath: string
-  line: number
-  column: number
-}
-
-
-function normalizeDiagnosticPath(path: string) {
-  return path.replace(/\\/g, "/")
-}
-
-function determineSeverityTone(severity?: number): DiagnosticEntry["tone"] {
-  if (severity === 1) return "error"
-  if (severity === 2) return "warning"
-  return "info"
-}
-
-function getSeverityMeta(tone: DiagnosticEntry["tone"]) {
-  if (tone === "error") return { label: "ERR", icon: "!", rank: 0 }
-  if (tone === "warning") return { label: "WARN", icon: "!", rank: 1 }
-  return { label: "INFO", icon: "i", rank: 2 }
-}
-
-function extractDiagnostics(state: ToolState | undefined): DiagnosticEntry[] {
-  if (!state) return []
-  const supportsMetadata = isToolStateRunning(state) || isToolStateCompleted(state) || isToolStateError(state)
-  if (!supportsMetadata) return []
-
-  const metadata = (state.metadata || {}) as Record<string, unknown>
-  const input = (state.input || {}) as Record<string, unknown>
-  const diagnosticsMap = metadata?.diagnostics as Record<string, LspDiagnostic[] | undefined> | undefined
-  if (!diagnosticsMap) return []
-
-  const preferredPath = [
-    input.filePath,
-    metadata.filePath,
-    metadata.filepath,
-    input.path,
-  ].find((value) => typeof value === "string" && value.length > 0) as string | undefined
-
-  const normalizedPreferred = preferredPath ? normalizeDiagnosticPath(preferredPath) : undefined
-  if (!normalizedPreferred) return []
-  const candidateEntries = Object.entries(diagnosticsMap).filter(([, items]) => Array.isArray(items) && items.length > 0)
-  if (candidateEntries.length === 0) return []
-
-  const prioritizedEntries = candidateEntries.filter(([path]) => {
-    const normalized = normalizeDiagnosticPath(path)
-    return normalized === normalizedPreferred
-  })
-
-  if (prioritizedEntries.length === 0) return []
-
-  const entries: DiagnosticEntry[] = []
-  for (const [pathKey, list] of prioritizedEntries) {
-    if (!Array.isArray(list)) continue
-    const normalizedPath = normalizeDiagnosticPath(pathKey)
-    for (let index = 0; index < list.length; index++) {
-      const diagnostic = list[index]
-      if (!diagnostic || typeof diagnostic.message !== "string") continue
-      const tone = determineSeverityTone(typeof diagnostic.severity === "number" ? diagnostic.severity : undefined)
-      const severityMeta = getSeverityMeta(tone)
-      const line = typeof diagnostic.range?.start?.line === "number" ? diagnostic.range.start.line + 1 : 0
-      const column = typeof diagnostic.range?.start?.character === "number" ? diagnostic.range.start.character + 1 : 0
-      entries.push({
-        id: `${normalizedPath}-${index}-${diagnostic.message}`,
-        severity: severityMeta.rank,
-        tone,
-        label: severityMeta.label,
-        icon: severityMeta.icon,
-        message: diagnostic.message,
-        filePath: normalizedPath,
-        displayPath: getRelativePath(normalizedPath),
-        line,
-        column,
-      })
-    }
-  }
-
-  return entries.sort((a, b) => a.severity - b.severity)
-}
-
-function diagnosticFileName(entries: DiagnosticEntry[]) {
-  const first = entries[0]
-  return first ? first.displayPath : ""
-}
-
-function renderDiagnosticsSection(
-  entries: DiagnosticEntry[],
-  expanded: boolean,
-  toggle: () => void,
-  fileLabel: string,
-) {
-  if (entries.length === 0) return null
-  return (
-    <div class="tool-call-diagnostics-wrapper">
-      <button
-        type="button"
-        class="tool-call-diagnostics-heading"
-        aria-expanded={expanded}
-        onClick={toggle}
-      >
-        <span class="tool-call-icon" aria-hidden="true">
-          {expanded ? "▼" : "▶"}
-        </span>
-        <span class="tool-call-emoji" aria-hidden="true">🛠</span>
-        <span class="tool-call-summary">Diagnostics</span>
-        <span class="tool-call-diagnostics-file" title={fileLabel}>{fileLabel}</span>
-      </button>
-      <Show when={expanded}>
-        <div class="tool-call-diagnostics" role="region" aria-label="Diagnostics">
-          <div class="tool-call-diagnostics-body" role="list">
-            <For each={entries}>
-              {(entry) => (
-                <div class="tool-call-diagnostic-row" role="listitem">
-                  <span class={`tool-call-diagnostic-chip tool-call-diagnostic-${entry.tone}`}>
-                    <span class="tool-call-diagnostic-chip-icon">{entry.icon}</span>
-                    <span>{entry.label}</span>
-                  </span>
-                  <span class="tool-call-diagnostic-path" title={entry.filePath}>
-                    {entry.displayPath}
-                    <span class="tool-call-diagnostic-coords">
-                      :L{entry.line || "-"}:C{entry.column || "-"}
-                    </span>
-                  </span>
-                  <span class="tool-call-diagnostic-message">{entry.message}</span>
-                </div>
-              )}
-            </For>
-          </div>
-        </div>
-      </Show>
-    </div>
-  )
-}
 
 export default function ToolCall(props: ToolCallProps) {
   const { preferences, setDiffViewMode } = useConfig()
   const { isDark } = useTheme()
+  const { t } = useI18n()
   const toolCallMemo = createMemo(() => props.toolCall)
   const toolName = createMemo(() => toolCallMemo()?.tool || "")
   const toolCallIdentifier = createMemo(() => {
@@ -252,6 +106,9 @@ export default function ToolCall(props: ToolCallProps) {
     return "noversion"
   })
 
+  const messageVersionAccessor = createMemo(() => props.messageVersion)
+  const partVersionAccessor = createMemo(() => props.partVersion)
+
   const createVariantCache = (variant: string | (() => string), version?: () => string) =>
     useGlobalCache({
       instanceId: () => props.instanceId,
@@ -269,8 +126,6 @@ export default function ToolCall(props: ToolCallProps) {
   const permissionDiffCache = createVariantCache("permission-diff")
   const ansiRunningCache = createVariantCache("ansi-running", () => "running")
   const ansiFinalCache = createVariantCache("ansi-final")
-  const runningAnsiRenderer = createAnsiStreamRenderer()
-  let runningAnsiSource = ""
 
   const permissionState = createMemo(() => store().getPermissionState(props.messageId, toolCallIdentifier()))
   const pendingPermission = createMemo(() => {
@@ -294,6 +149,9 @@ export default function ToolCall(props: ToolCallProps) {
   const diagnosticsDefaultExpanded = createMemo(() => (preferences().diagnosticsExpansion || "expanded") === "expanded")
 
   const defaultExpandedForTool = createMemo(() => {
+    if (props.forceCollapsed) {
+      return false
+    }
     const prefExpanded = toolOutputDefaultExpanded()
     const toolName = toolCallMemo()?.tool || ""
     if (toolName === "read") {
@@ -387,12 +245,16 @@ export default function ToolCall(props: ToolCallProps) {
     requestAnimationFrame(() => {
       restoreScrollPosition(autoScroll())
       if (!expanded()) return
-      scheduleAnchorScroll()
+      scheduleAnchorScroll(true)
     })
   }
 
   const initializeScrollContainer = (element: HTMLDivElement | null | undefined) => {
-    scrollContainerRef = element || undefined
+    const next = element || undefined
+    if (next === scrollContainerRef) {
+      return
+    }
+    scrollContainerRef = next
     setScrollContainer(scrollContainerRef)
     if (scrollContainerRef) {
       restoreScrollPosition(autoScroll())
@@ -554,15 +416,17 @@ export default function ToolCall(props: ToolCallProps) {
     const activeKey = activePermissionKey()
     if (!activeKey) return
     const handler = (event: KeyboardEvent) => {
+      const permission = permissionDetails()
+      if (!permission || !isPermissionActive()) return
       if (event.key === "Enter") {
         event.preventDefault()
-        handlePermissionResponse("once")
+        void handlePermissionResponse(permission, "once")
       } else if (event.key === "a" || event.key === "A") {
         event.preventDefault()
-        handlePermissionResponse("always")
+        void handlePermissionResponse(permission, "always")
       } else if (event.key === "d" || event.key === "D") {
         event.preventDefault()
-        handlePermissionResponse("reject")
+        void handlePermissionResponse(permission, "reject")
       }
     }
     document.addEventListener("keydown", handler)
@@ -573,7 +437,6 @@ export default function ToolCall(props: ToolCallProps) {
   const [questionError, setQuestionError] = createSignal<string | null>(null)
 
   const [questionDraftAnswers, setQuestionDraftAnswers] = createSignal<Record<string, string[][]>>({})
-  const [questionCustomDraft, setQuestionCustomDraft] = createSignal<Record<string, string[]>>({})
 
   function isTextInputFocused() {
     const active = document.activeElement
@@ -590,9 +453,12 @@ export default function ToolCall(props: ToolCallProps) {
       return
     }
     const answers = (questionDraftAnswers()[request.id] ?? []).map((x) => (Array.isArray(x) ? x : []))
-    const normalized = request.questions.map((_, index) => answers[index] ?? [])
+    const normalized = request.questions.map((_, index) => {
+      const row = answers[index] ?? []
+      return row.map((value) => value.trim()).filter((value) => value.length > 0)
+    })
     if (normalized.some((item) => (item?.length ?? 0) === 0)) {
-      setQuestionError("Please answer all questions before submitting.")
+      setQuestionError(t("toolCall.question.validation.answerAll"))
       return
     }
 
@@ -603,7 +469,7 @@ export default function ToolCall(props: ToolCallProps) {
       await sendQuestionReply(props.instanceId, sessionId, request.id, normalized)
     } catch (error) {
       log.error("Failed to send question reply", error)
-      setQuestionError(error instanceof Error ? error.message : "Unable to reply")
+      setQuestionError(error instanceof Error ? error.message : t("toolCall.question.errors.unableToReply"))
     } finally {
       setQuestionSubmitting(false)
     }
@@ -621,7 +487,7 @@ export default function ToolCall(props: ToolCallProps) {
       await sendQuestionReject(props.instanceId, sessionId, request.id)
     } catch (error) {
       log.error("Failed to reject question", error)
-      setQuestionError(error instanceof Error ? error.message : "Unable to dismiss")
+      setQuestionError(error instanceof Error ? error.message : t("toolCall.question.errors.unableToDismiss"))
     } finally {
       setQuestionSubmitting(false)
     }
@@ -684,201 +550,64 @@ export default function ToolCall(props: ToolCallProps) {
 
   const renderer = createMemo(() => resolveToolRenderer(toolName()))
 
-  function renderDiffContent(payload: DiffPayload, options?: DiffRenderOptions) {
-    const relativePath = payload.filePath ? getRelativePath(payload.filePath) : ""
-    const toolbarLabel = options?.label || (relativePath ? `Diff · ${relativePath}` : "Diff")
-    const selectedVariant = options?.variant === "permission-diff" ? "permission-diff" : "diff"
-    const cacheHandle = selectedVariant === "permission-diff" ? permissionDiffCache : diffCache
-    const diffMode = () => (preferences().diffViewMode || "split") as DiffViewMode
-    const themeKey = isDark() ? "dark" : "light"
+  const { renderAnsiContent } = createAnsiContentRenderer({
+    ansiRunningCache,
+    ansiFinalCache,
+    scrollHelpers,
+    partVersion: partVersionAccessor,
+  })
 
-    let cachedHtml: string | undefined
-    const cached = cacheHandle.get<RenderCache>()
-    const currentMode = diffMode()
-    if (cached && cached.text === payload.diffText && cached.theme === themeKey && cached.mode === currentMode) {
-      cachedHtml = cached.html
-    }
+  const { renderDiffContent } = createDiffContentRenderer({
+    preferences,
+    setDiffViewMode,
+    isDark,
+    t,
+    diffCache,
+    permissionDiffCache,
+    scrollHelpers,
+    handleScrollRendered,
+    onContentRendered: props.onContentRendered,
+  })
 
-    const handleModeChange = (mode: DiffViewMode) => {
-      setDiffViewMode(mode)
-    }
-
-    const handleDiffRendered = () => {
-      if (!options?.disableScrollTracking) {
-        handleScrollRendered()
-      }
-      props.onContentRendered?.()
-    }
-
-    return (
-      <div
-        class="message-text tool-call-markdown tool-call-markdown-large tool-call-diff-shell"
-        ref={(element) => scrollHelpers.registerContainer(element, { disableTracking: options?.disableScrollTracking })}
-        onScroll={options?.disableScrollTracking ? undefined : scrollHelpers.handleScroll}
-      >
-        <div class="tool-call-diff-toolbar" role="group" aria-label="Diff view mode">
-          <span class="tool-call-diff-toolbar-label">{toolbarLabel}</span>
-          <div class="tool-call-diff-toggle">
-            <button
-              type="button"
-              class={`tool-call-diff-mode-button${diffMode() === "split" ? " active" : ""}`}
-              aria-pressed={diffMode() === "split"}
-              onClick={() => handleModeChange("split")}
-            >
-              Split
-            </button>
-            <button
-              type="button"
-              class={`tool-call-diff-mode-button${diffMode() === "unified" ? " active" : ""}`}
-              aria-pressed={diffMode() === "unified"}
-              onClick={() => handleModeChange("unified")}
-            >
-              Unified
-            </button>
-          </div>
-        </div>
-        <ToolCallDiffViewer
-          diffText={payload.diffText}
-          filePath={payload.filePath}
-          theme={themeKey}
-          mode={diffMode()}
-          cachedHtml={cachedHtml}
-          cacheEntryParams={cacheHandle.params()}
-          onRendered={handleDiffRendered}
-        />
-        {scrollHelpers.renderSentinel({ disableTracking: options?.disableScrollTracking })}
-      </div>
-    )
-  }
-
-  function renderAnsiContent(options: AnsiRenderOptions) {
-    if (!options.content) {
-      return null
-    }
-
-    const size = options.size || "default"
-    const messageClass = `message-text tool-call-markdown${size === "large" ? " tool-call-markdown-large" : ""}`
-    const cacheHandle = options.variant === "running" ? ansiRunningCache : ansiFinalCache
-    const cached = cacheHandle.get<AnsiRenderCache>()
-    const mode = typeof props.partVersion === "number" ? String(props.partVersion) : undefined
-    const isRunningVariant = options.variant === "running"
-
-    let nextCache: AnsiRenderCache
-
-    if (isRunningVariant) {
-      const content = options.content
-      const resetStreaming = !cached || !cached.text || !content.startsWith(cached.text) || cached.text !== runningAnsiSource
-
-      if (resetStreaming) {
-        const detectedAnsi = hasAnsi(content)
-        if (detectedAnsi) {
-          runningAnsiRenderer.reset()
-          const html = runningAnsiRenderer.render(content)
-          nextCache = { text: content, html, mode, hasAnsi: true }
-        } else {
-          runningAnsiRenderer.reset()
-          nextCache = { text: content, html: escapeHtml(content), mode, hasAnsi: false }
-        }
-      } else {
-        const delta = content.slice(cached.text.length)
-        if (delta.length === 0) {
-          nextCache = { ...cached, mode }
-        } else if (!cached.hasAnsi && hasAnsi(delta)) {
-          runningAnsiRenderer.reset()
-          const html = runningAnsiRenderer.render(content)
-          nextCache = { text: content, html, mode, hasAnsi: true }
-        } else if (cached.hasAnsi) {
-          const htmlChunk = runningAnsiRenderer.render(delta)
-          nextCache = { text: content, html: `${cached.html}${htmlChunk}`, mode, hasAnsi: true }
-        } else {
-          nextCache = { text: content, html: `${cached.html}${escapeHtml(delta)}`, mode, hasAnsi: false }
-        }
-      }
-
-      runningAnsiSource = nextCache.text
-      cacheHandle.set(nextCache)
-    } else {
-      if (cached && cached.text === options.content) {
-        nextCache = { ...cached, mode }
-      } else {
-        const detectedAnsi = hasAnsi(options.content)
-        const html = detectedAnsi ? ansiToHtml(options.content) : escapeHtml(options.content)
-        nextCache = { text: options.content, html, mode, hasAnsi: detectedAnsi }
-        cacheHandle.set(nextCache)
-      }
-    }
-
-    if (options.requireAnsi && !nextCache.hasAnsi) {
-      return null
-    }
-
-    return (
-      <div class={messageClass} ref={(element) => scrollHelpers.registerContainer(element)} onScroll={scrollHelpers.handleScroll}>
-        <pre class="tool-call-content tool-call-ansi" innerHTML={nextCache.html} />
-        {scrollHelpers.renderSentinel()}
-      </div>
-    )
-  }
-
-  function renderMarkdownContent(options: MarkdownRenderOptions) {
-    if (!options.content) {
-      return null
-    }
-
-    const size = options.size || "default"
-    const disableHighlight = options.disableHighlight || false
-    const messageClass = `message-text tool-call-markdown${size === "large" ? " tool-call-markdown-large" : ""}`
-
-    const state = toolState()
-    const shouldDeferMarkdown = Boolean(state && (state.status === "running" || state.status === "pending") && disableHighlight)
-    if (shouldDeferMarkdown) {
-      return (
-        <div class={messageClass} ref={(element) => scrollHelpers.registerContainer(element)} onScroll={scrollHelpers.handleScroll}>
-          <pre class="whitespace-pre-wrap break-words text-sm font-mono">{options.content}</pre>
-          {scrollHelpers.renderSentinel()}
-        </div>
-      )
-    }
-
-    const partId = toolCallMemo()?.id
-    if (!partId) {
-      throw new Error("Tool call markdown requires a part id")
-    }
-    const markdownPart: TextPart = { id: partId, type: "text", text: options.content, version: props.partVersion }
-
-    const handleMarkdownRendered = () => {
-      handleScrollRendered()
-      props.onContentRendered?.()
-    }
-
-    return (
-      <div class={messageClass} ref={(element) => scrollHelpers.registerContainer(element)} onScroll={scrollHelpers.handleScroll}>
-        <Markdown
-          part={markdownPart}
-          instanceId={props.instanceId}
-          sessionId={props.sessionId}
-          isDark={isDark()}
-          disableHighlight={disableHighlight}
-          onRendered={handleMarkdownRendered}
-        />
-        {scrollHelpers.renderSentinel()}
-      </div>
-    )
-  }
-
-
-  const messageVersionAccessor = createMemo(() => props.messageVersion)
-  const partVersionAccessor = createMemo(() => props.partVersion)
+  const { renderMarkdownContent } = createMarkdownContentRenderer({
+    toolState,
+    partId: toolCallIdentifier,
+    partVersion: partVersionAccessor,
+    instanceId: props.instanceId,
+    sessionId: props.sessionId,
+    isDark,
+    scrollHelpers,
+    handleScrollRendered,
+    onContentRendered: props.onContentRendered,
+  })
 
   const rendererContext: ToolRendererContext = {
     toolCall: toolCallMemo,
     toolState,
     toolName,
+    instanceId: props.instanceId,
+    sessionId: props.sessionId,
+    t,
     messageVersion: messageVersionAccessor,
     partVersion: partVersionAccessor,
     renderMarkdown: renderMarkdownContent,
     renderAnsi: renderAnsiContent,
     renderDiff: renderDiffContent,
+    renderToolCall: (options) => {
+      if (!options?.toolCall) return null
+      return (
+        <ToolCall
+          toolCall={options.toolCall}
+          toolCallId={options.toolCall.id}
+          messageId={options.messageId}
+          messageVersion={options.messageVersion}
+          partVersion={options.partVersion}
+          instanceId={props.instanceId}
+          sessionId={options.sessionId}
+          forceCollapsed={options.forceCollapsed}
+        />
+      )
+    },
     scrollHelpers,
   }
 
@@ -895,7 +624,7 @@ export default function ToolCall(props: ToolCallProps) {
       return
     }
     previousPartVersion = version
-    scheduleAnchorScroll()
+    scheduleAnchorScroll(true)
   })
 
   createEffect(() => {
@@ -932,15 +661,25 @@ export default function ToolCall(props: ToolCallProps) {
     return getToolName(currentTool)
   }
 
+  const headerText = createMemo(() => {
+    // Keep this as a memo so copy always matches what's rendered.
+    return renderToolTitle()
+  })
+
+  const handleCopyHeader = async (event: MouseEvent) => {
+    event.preventDefault()
+    event.stopPropagation()
+    const text = headerText()
+    if (!text) return
+    await copyToClipboard(text)
+  }
+
   const renderToolBody = () => {
     return renderer().renderBody(rendererContext)
   }
 
-  async function handlePermissionResponse(response: "once" | "always" | "reject") {
-    const permission = permissionDetails()
-    if (!permission || !isPermissionActive()) {
-      return
-    }
+  async function handlePermissionResponse(permission: PermissionRequestLike, response: "once" | "always" | "reject") {
+    if (!permission) return
     setPermissionSubmitting(true)
     setPermissionError(null)
     try {
@@ -948,7 +687,7 @@ export default function ToolCall(props: ToolCallProps) {
       await sendPermissionResponse(props.instanceId, sessionId, permission.id, response)
     } catch (error) {
       log.error("Failed to send permission response", error)
-      setPermissionError(error instanceof Error ? error.message : "Unable to update permission")
+      setPermissionError(error instanceof Error ? error.message : t("toolCall.permission.errors.unableToUpdate"))
     } finally {
       setPermissionSubmitting(false)
     }
@@ -960,7 +699,7 @@ export default function ToolCall(props: ToolCallProps) {
     if (state.status === "error" && state.error) {
       return (
         <div class="tool-call-error-content">
-          <strong>Error:</strong> {state.error}
+          <strong>{t("toolCall.error.label")}</strong> {state.error}
         </div>
       )
     }
@@ -968,283 +707,33 @@ export default function ToolCall(props: ToolCallProps) {
   }
 
 
-  const renderPermissionBlock = () => {
-    const permission = permissionDetails()
-    if (!permission) return null
-    const active = isPermissionActive()
-    const metadata = (permission.metadata ?? {}) as Record<string, unknown>
-    const diffValue = typeof metadata.diff === "string" ? (metadata.diff as string) : null
-    const diffPathRaw = (() => {
-      if (typeof metadata.filePath === "string") {
-        return metadata.filePath as string
-      }
-      if (typeof metadata.path === "string") {
-        return metadata.path as string
-      }
-      return undefined
-    })()
-    const diffPayload = diffValue && diffValue.trim().length > 0 ? { diffText: diffValue, filePath: diffPathRaw } : null
+  const renderPermissionBlock = () => (
+    <PermissionToolBlock
+      permission={permissionDetails}
+      active={isPermissionActive}
+      submitting={permissionSubmitting}
+      error={permissionError}
+      renderDiff={renderDiffContent}
+      fallbackSessionId={() => props.sessionId}
+      onRespond={(permission, sessionId, response) => void handlePermissionResponse(permission, response)}
+    />
+  )
 
-    return (
-      <div class={`tool-call-permission ${active ? "tool-call-permission-active" : "tool-call-permission-queued"}`}>
-        <div class="tool-call-permission-header">
-          <span class="tool-call-permission-label">{active ? "Permission Required" : "Permission Queued"}</span>
-          <span class="tool-call-permission-type">{getPermissionKind(permission)}</span>
-        </div>
-        <div class="tool-call-permission-body">
-          <div class="tool-call-permission-title">
-            <code>{getPermissionDisplayTitle(permission)}</code>
-          </div>
-          <Show when={diffPayload}>
-            {(payload) => (
-              <div class="tool-call-permission-diff">
-                {renderDiffContent(payload(), {
-                  variant: "permission-diff",
-                  disableScrollTracking: true,
-                  label: payload().filePath ? `Requested diff · ${getRelativePath(payload().filePath || "")}` : "Requested diff",
-                })}
-              </div>
-            )}
-          </Show>
-          <Show
-            when={active}
-            fallback={<p class="tool-call-permission-queued-text">Waiting for earlier permission responses.</p>}
-          >
-            <div class="tool-call-permission-actions">
-              <div class="tool-call-permission-buttons">
-                <button
-                  type="button"
-                  class="tool-call-permission-button"
-                  disabled={permissionSubmitting()}
-                  onClick={() => handlePermissionResponse("once")}
-                >
-                  Allow Once
-                </button>
-                <button
-                  type="button"
-                  class="tool-call-permission-button"
-                  disabled={permissionSubmitting()}
-                  onClick={() => handlePermissionResponse("always")}
-                >
-                  Always Allow
-                </button>
-                <button
-                  type="button"
-                  class="tool-call-permission-button"
-                  disabled={permissionSubmitting()}
-                  onClick={() => handlePermissionResponse("reject")}
-                >
-                  Deny
-                </button>
-              </div>
-              <div class="tool-call-permission-shortcuts">
-                <kbd class="kbd">Enter</kbd>
-                <span>Allow once</span>
-                <kbd class="kbd">A</kbd>
-                <span>Always allow</span>
-                <kbd class="kbd">D</kbd>
-                <span>Deny</span>
-              </div>
-            </div>
-            <Show when={permissionError()}>
-              <div class="tool-call-permission-error">{permissionError()}</div>
-            </Show>
-          </Show>
-        </div>
-      </div>
-    )
-  }
-
-  const renderQuestionBlock = () => {
-    const state = toolState()
-    const request = questionDetails()
-    const isQuestionTool = toolName() === "question"
-
-    if (!request && !isQuestionTool) return null
-
-    const questionsSource = request?.questions ?? ((state as any)?.input?.questions as any[] | undefined) ?? []
-    const questions = Array.isArray(questionsSource) ? questionsSource : []
-    if (questions.length === 0) return null
-
-    const requestId = request?.id ?? (state as any)?.input?.requestID ?? `question-${toolCallMemo()?.id ?? "unknown"}`
-    const active = Boolean(request && isQuestionActive())
-
-    const completedAnswers = Array.isArray((state as any)?.metadata?.answers) ? ((state as any).metadata.answers as string[][]) : undefined
-    const answers = completedAnswers ?? questionDraftAnswers()[requestId] ?? []
-    const customInputs = questionCustomDraft()[requestId] ?? []
-
-    const updateAnswer = (questionIndex: number, next: string[]) => {
-      if (!active) return
-      setQuestionDraftAnswers((prev) => {
-        const current = prev[requestId] ?? []
-        const updated = [...current]
-        updated[questionIndex] = next
-        return { ...prev, [requestId]: updated }
-      })
-    }
-
-    const updateCustom = (questionIndex: number, value: string) => {
-      if (!active) return
-      setQuestionCustomDraft((prev) => {
-        const current = prev[requestId] ?? []
-        const updated = [...current]
-        updated[questionIndex] = value
-        return { ...prev, [requestId]: updated }
-      })
-    }
-
-    const toggleOption = (questionIndex: number, label: string) => {
-      const info = questions[questionIndex]
-      const multi = info?.multiple === true
-      const existing = answers[questionIndex] ?? []
-      if (multi) {
-        const next = existing.includes(label) ? existing.filter((x) => x !== label) : [...existing, label]
-        updateAnswer(questionIndex, next)
-        return
-      }
-      updateAnswer(questionIndex, [label])
-    }
-
-    const submitDisabled = () => {
-      if (!active) return true
-      if (questionSubmitting()) return true
-      return questions.some((_, index) => (answers[index]?.length ?? 0) === 0)
-    }
-
-    const showButtons = () => active
-
-    return (
-      <div class={`tool-call-permission ${active ? "tool-call-permission-active" : "tool-call-permission-queued"}`}>
-        <div class="tool-call-permission-header">
-          <span class="tool-call-permission-label">
-            {active ? "Question Required" : request ? "Question Queued" : "Questions"}
-          </span>
-          <span class="tool-call-permission-type">{questions.length === 1 ? "Question" : "Questions"}</span>
-        </div>
-
-        <div class="tool-call-permission-body">
-          <div class="flex flex-col gap-4">
-            <For each={questions}>
-              {(q, index) => {
-                const i = () => index()
-                const multi = () => q?.multiple === true
-                const selected = () => answers[i()] ?? []
-                const customValue = () => customInputs[i()] ?? ""
-                const inputType = () => (multi() ? "checkbox" : "radio")
-                const groupName = () => `question-${requestId}-${i()}`
-
-                return (
-                  <div class="rounded-md border border-base/60 bg-surface/30 p-3">
-                    <div class="flex items-baseline justify-between gap-2">
-                      <div class="text-xs">
-                        Q{i() + 1}: <span class="font-semibold">{q?.header}</span>
-                      </div>
-                      <Show when={multi()}>
-                        <div class="text-xs text-muted">Multiple</div>
-                      </Show>
-                    </div>
-
-                    <div class="mt-1 text-sm font-medium">{q?.question}</div>
-
-                      <div class="mt-3 flex flex-col gap-1">
-                        <For each={q?.options ?? []}>
-                          {(opt) => {
-                            const checked = () => selected().includes(opt.label)
-                            return (
-                              <label
-                                class={`flex items-start gap-2 py-1 ${active ? "cursor-pointer" : request ? "opacity-80" : ""}`}
-                                title={opt.description}
-                              >
-                                <input
-                                  type={inputType()}
-                                  name={groupName()}
-                                  checked={checked()}
-                                  disabled={!active || questionSubmitting()}
-                                  onChange={() => toggleOption(i(), opt.label)}
-                                />
-                                <div class="flex flex-col">
-                                  <div class="text-sm leading-tight">{opt.label}</div>
-                                  <div class="text-xs text-muted leading-tight">{opt.description}</div>
-                                </div>
-                              </label>
-                            )
-                          }}
-                        </For>
-
-                        <Show when={active}>
-                          <div class="mt-2 flex items-center gap-2">
-                            <input
-                              class="flex-1 rounded-md border border-base/50 bg-surface px-2 py-1 text-sm"
-                              type="text"
-                              placeholder="Type your own answer"
-                              value={customValue()}
-                              disabled={!active || questionSubmitting()}
-                              onInput={(e) => updateCustom(i(), e.currentTarget.value)}
-                            />
-                            <button
-                              type="button"
-                              class="tool-call-permission-button"
-                              disabled={!active || questionSubmitting() || !customValue().trim()}
-                              onClick={() => {
-                                const value = customValue().trim()
-                                if (!value) return
-                                updateCustom(i(), value)
-                                toggleOption(i(), value)
-                              }}
-                            >
-                              {multi() ? "Toggle" : "Select"}
-                            </button>
-                          </div>
-                        </Show>
-                      </div>
-
-                  </div>
-                )
-              }}
-            </For>
-
-            <Show when={showButtons()}>
-              <div class="tool-call-permission-actions">
-                <div class="tool-call-permission-buttons">
-                  <button
-                    type="button"
-                    class="tool-call-permission-button"
-                    disabled={submitDisabled()}
-                    onClick={() => handleQuestionSubmit()}
-                  >
-                    Submit
-                  </button>
-                  <button
-                    type="button"
-                    class="tool-call-permission-button"
-                    disabled={questionSubmitting()}
-                    onClick={() => handleQuestionDismiss()}
-                  >
-                    Dismiss
-                  </button>
-                </div>
-
-                <div class="tool-call-permission-shortcuts">
-                  <kbd class="kbd">Enter</kbd>
-                  <span>Submit</span>
-                  <kbd class="kbd">Esc</kbd>
-                  <span>Dismiss</span>
-                </div>
-
-                <Show when={questionError()}>
-                  <div class="tool-call-permission-error">{questionError()}</div>
-                </Show>
-              </div>
-            </Show>
-
-            <Show when={!active && request}>
-              <p class="tool-call-permission-queued-text">Waiting for earlier responses.</p>
-            </Show>
-          </div>
-        </div>
-      </div>
-    )
-  }
+  const renderQuestionBlock = () => (
+    <QuestionToolBlock
+      toolName={toolName}
+      toolState={toolState}
+      toolCallId={toolCallIdentifier}
+      request={questionDetails}
+      active={isQuestionActive}
+      submitting={questionSubmitting}
+      error={questionError}
+      draftAnswers={questionDraftAnswers}
+      setDraftAnswers={setQuestionDraftAnswers}
+      onSubmit={() => void handleQuestionSubmit()}
+      onDismiss={() => void handleQuestionDismiss()}
+    />
+  )
 
   createEffect(() => {
     const request = questionDetails()
@@ -1260,11 +749,7 @@ export default function ToolCall(props: ToolCallProps) {
       const initial = request.questions.map(() => [])
       return { ...prev, [requestId]: initial }
     })
-    setQuestionCustomDraft((prev) => {
-      if (prev[requestId]) return prev
-      const initial = request.questions.map(() => "")
-      return { ...prev, [requestId]: initial }
-    })
+
   })
 
   const status = () => toolState()?.status || ""
@@ -1292,16 +777,32 @@ export default function ToolCall(props: ToolCallProps) {
       }}
       class={`tool-call ${combinedStatusClass()}`}
     >
-      <button
-        class="tool-call-header"
-        onClick={toggle}
-        aria-expanded={expanded()}
-        data-status-icon={statusIcon()}
-      >
-        <span class="tool-call-summary" data-tool-icon={getToolIcon(toolName())}>
-          {renderToolTitle()}
+      <div class="tool-call-header">
+        <button
+          type="button"
+          class="tool-call-header-toggle"
+          onClick={toggle}
+          aria-expanded={expanded()}
+        >
+          <span class="tool-call-summary" data-tool-icon={getToolIcon(toolName())}>
+            {headerText()}
+          </span>
+        </button>
+
+        <button
+          type="button"
+          class="tool-call-header-copy"
+          onClick={handleCopyHeader}
+          aria-label={t("toolCall.header.copyAriaLabel")}
+          title={t("toolCall.header.copyTitle")}
+        >
+          <Copy class="w-3.5 h-3.5" />
+        </button>
+
+        <span class="tool-call-header-status" aria-hidden="true">
+          {statusIcon()}
         </span>
-      </button>
+      </div>
 
       {expanded() && (
         <div class="tool-call-details">
@@ -1315,7 +816,7 @@ export default function ToolCall(props: ToolCallProps) {
           <Show when={status() === "pending" && !pendingPermission()}>
             <div class="tool-call-pending-message">
               <span class="spinner-small"></span>
-              <span>Waiting to run...</span>
+              <span>{t("toolCall.pending.waitingToRun")}</span>
             </div>
           </Show>
         </div>
@@ -1324,6 +825,7 @@ export default function ToolCall(props: ToolCallProps) {
       <Show when={diagnosticsEntries().length}>
 
         {renderDiagnosticsSection(
+          t,
           diagnosticsEntries(),
           diagnosticsExpanded(),
           () => setDiagnosticsOverride((prev) => {

packages/ui/src/components/tool-call/ansi-render.tsx

@@ -0,0 +1,98 @@
+import type { Accessor, JSXElement } from "solid-js"
+import type { RenderCache } from "../../types/message"
+import { ansiToHtml, createAnsiStreamRenderer, hasAnsi } from "../../lib/ansi"
+import { escapeHtml } from "../../lib/markdown"
+import type { AnsiRenderOptions, ToolScrollHelpers } from "./types"
+
+type AnsiRenderCache = RenderCache & { hasAnsi: boolean }
+
+type CacheHandle = {
+  get<T>(): T | undefined
+  set(value: unknown): void
+}
+
+export function createAnsiContentRenderer(params: {
+  ansiRunningCache: CacheHandle
+  ansiFinalCache: CacheHandle
+  scrollHelpers: ToolScrollHelpers
+  partVersion?: Accessor<number | undefined>
+}) {
+  const runningAnsiRenderer = createAnsiStreamRenderer()
+  let runningAnsiSource = ""
+
+  const getMode = () => {
+    const version = params.partVersion?.()
+    return typeof version === "number" ? String(version) : undefined
+  }
+
+  function renderAnsiContent(options: AnsiRenderOptions): JSXElement | null {
+    if (!options.content) {
+      return null
+    }
+
+    const size = options.size || "default"
+    const messageClass = `message-text tool-call-markdown${size === "large" ? " tool-call-markdown-large" : ""}`
+    const cacheHandle = options.variant === "running" ? params.ansiRunningCache : params.ansiFinalCache
+    const cached = cacheHandle.get<AnsiRenderCache>()
+    const mode = getMode()
+    const isRunningVariant = options.variant === "running"
+
+    let nextCache: AnsiRenderCache
+
+    if (isRunningVariant) {
+      const content = options.content
+      const resetStreaming = !cached || !cached.text || !content.startsWith(cached.text) || cached.text !== runningAnsiSource
+
+      if (resetStreaming) {
+        const detectedAnsi = hasAnsi(content)
+        if (detectedAnsi) {
+          runningAnsiRenderer.reset()
+          const html = runningAnsiRenderer.render(content)
+          nextCache = { text: content, html, mode, hasAnsi: true }
+        } else {
+          runningAnsiRenderer.reset()
+          nextCache = { text: content, html: escapeHtml(content), mode, hasAnsi: false }
+        }
+      } else {
+        const delta = content.slice(cached.text.length)
+        if (delta.length === 0) {
+          nextCache = { ...cached, mode }
+        } else if (!cached.hasAnsi && hasAnsi(delta)) {
+          runningAnsiRenderer.reset()
+          const html = runningAnsiRenderer.render(content)
+          nextCache = { text: content, html, mode, hasAnsi: true }
+        } else if (cached.hasAnsi) {
+          const htmlChunk = runningAnsiRenderer.render(delta)
+          nextCache = { text: content, html: `${cached.html}${htmlChunk}`, mode, hasAnsi: true }
+        } else {
+          nextCache = { text: content, html: `${cached.html}${escapeHtml(delta)}`, mode, hasAnsi: false }
+        }
+      }
+
+      runningAnsiSource = nextCache.text
+      cacheHandle.set(nextCache)
+    } else {
+      if (cached && cached.text === options.content) {
+        nextCache = { ...cached, mode }
+      } else {
+        const detectedAnsi = hasAnsi(options.content)
+        const html = detectedAnsi ? ansiToHtml(options.content) : escapeHtml(options.content)
+        nextCache = { text: options.content, html, mode, hasAnsi: detectedAnsi }
+        cacheHandle.set(nextCache)
+      }
+    }
+
+    if (options.requireAnsi && !nextCache.hasAnsi) {
+      return null
+    }
+
+    return (
+      <div class={messageClass} ref={params.scrollHelpers.registerContainer} onScroll={params.scrollHelpers.handleScroll}>
+        <pre class="tool-call-content tool-call-ansi" innerHTML={nextCache.html} />
+        {params.scrollHelpers.renderSentinel()}
+      </div>
+    )
+  }
+
+  return { renderAnsiContent }
+}

packages/ui/src/components/tool-call/diagnostics-section.tsx

@@ -0,0 +1,54 @@
+import { For, Show } from "solid-js"
+import type { DiagnosticEntry } from "./diagnostics"
+
+export function renderDiagnosticsSection(
+  t: (key: string, params?: Record<string, unknown>) => string,
+  entries: DiagnosticEntry[],
+  expanded: boolean,
+  toggle: () => void,
+  fileLabel: string,
+) {
+  if (entries.length === 0) return null
+  return (
+    <div class="tool-call-diagnostics-wrapper">
+      <button
+        type="button"
+        class="tool-call-diagnostics-heading"
+        aria-expanded={expanded}
+        onClick={toggle}
+      >
+        <span class="tool-call-icon" aria-hidden="true">
+          {expanded ? "▼" : "▶"}
+        </span>
+        <span class="tool-call-emoji" aria-hidden="true">
+          🛠
+        </span>
+        <span class="tool-call-summary">{t("toolCall.diagnostics.title")}</span>
+        <span class="tool-call-diagnostics-file" title={fileLabel}>
+          {fileLabel}
+        </span>
+      </button>
+      <Show when={expanded}>
+        <div class="tool-call-diagnostics" role="region" aria-label={t("toolCall.diagnostics.ariaLabel")}>
+          <div class="tool-call-diagnostics-body" role="list">
+            <For each={entries}>
+              {(entry) => (
+                <div class="tool-call-diagnostic-row" role="listitem">
+                  <span class={`tool-call-diagnostic-chip tool-call-diagnostic-${entry.tone}`}>
+                    <span class="tool-call-diagnostic-chip-icon">{entry.icon}</span>
+                    <span>{entry.label}</span>
+                  </span>
+                  <span class="tool-call-diagnostic-path" title={entry.filePath}>
+                    {entry.displayPath}
+                    <span class="tool-call-diagnostic-coords">:L{entry.line || "-"}:C{entry.column || "-"}</span>
+                  </span>
+                  <span class="tool-call-diagnostic-message">{entry.message}</span>
+                </div>
+              )}
+            </For>
+          </div>
+        </div>
+      </Show>
+    </div>
+  )
+}

packages/ui/src/components/tool-call/diagnostics.ts

@@ -0,0 +1,107 @@
+import type { ToolState } from "@opencode-ai/sdk"
+import { getRelativePath, isToolStateCompleted, isToolStateError, isToolStateRunning } from "./utils"
+import { tGlobal } from "../../lib/i18n"
+
+interface LspRangePosition {
+  line?: number
+  character?: number
+}
+
+interface LspRange {
+  start?: LspRangePosition
+}
+
+interface LspDiagnostic {
+  message?: string
+  severity?: number
+  range?: LspRange
+}
+
+export interface DiagnosticEntry {
+  id: string
+  severity: number
+  tone: "error" | "warning" | "info"
+  label: string
+  icon: string
+  message: string
+  filePath: string
+  displayPath: string
+  line: number
+  column: number
+}
+
+function normalizeDiagnosticPath(path: string) {
+  return path.replace(/\\/g, "/")
+}
+
+function determineSeverityTone(severity?: number): DiagnosticEntry["tone"] {
+  if (severity === 1) return "error"
+  if (severity === 2) return "warning"
+  return "info"
+}
+
+function getSeverityMeta(tone: DiagnosticEntry["tone"]) {
+  if (tone === "error") return { label: tGlobal("toolCall.diagnostics.severity.error.short"), icon: "!", rank: 0 }
+  if (tone === "warning") return { label: tGlobal("toolCall.diagnostics.severity.warning.short"), icon: "!", rank: 1 }
+  return { label: tGlobal("toolCall.diagnostics.severity.info.short"), icon: "i", rank: 2 }
+}
+
+export function extractDiagnostics(state: ToolState | undefined): DiagnosticEntry[] {
+  if (!state) return []
+  const supportsMetadata = isToolStateRunning(state) || isToolStateCompleted(state) || isToolStateError(state)
+  if (!supportsMetadata) return []
+
+  const metadata = (state.metadata || {}) as Record<string, unknown>
+  const input = (state.input || {}) as Record<string, unknown>
+  const diagnosticsMap = metadata?.diagnostics as Record<string, LspDiagnostic[] | undefined> | undefined
+  if (!diagnosticsMap) return []
+
+  const preferredPath = [input.filePath, metadata.filePath, metadata.filepath, input.path].find(
+    (value) => typeof value === "string" && value.length > 0,
+  ) as string | undefined
+
+  const normalizedPreferred = preferredPath ? normalizeDiagnosticPath(preferredPath) : undefined
+  if (!normalizedPreferred) return []
+  const candidateEntries = Object.entries(diagnosticsMap).filter(([, items]) => Array.isArray(items) && items.length > 0)
+  if (candidateEntries.length === 0) return []
+
+  const prioritizedEntries = candidateEntries.filter(([path]) => {
+    const normalized = normalizeDiagnosticPath(path)
+    return normalized === normalizedPreferred
+  })
+
+  if (prioritizedEntries.length === 0) return []
+
+  const entries: DiagnosticEntry[] = []
+  for (const [pathKey, list] of prioritizedEntries) {
+    if (!Array.isArray(list)) continue
+    const normalizedPath = normalizeDiagnosticPath(pathKey)
+    for (let index = 0; index < list.length; index++) {
+      const diagnostic = list[index]
+      if (!diagnostic || typeof diagnostic.message !== "string") continue
+      const tone = determineSeverityTone(typeof diagnostic.severity === "number" ? diagnostic.severity : undefined)
+      const severityMeta = getSeverityMeta(tone)
+      const line = typeof diagnostic.range?.start?.line === "number" ? diagnostic.range.start.line + 1 : 0
+      const column = typeof diagnostic.range?.start?.character === "number" ? diagnostic.range.start.character + 1 : 0
+      entries.push({
+        id: `${normalizedPath}-${index}-${diagnostic.message}`,
+        severity: severityMeta.rank,
+        tone,
+        label: severityMeta.label,
+        icon: severityMeta.icon,
+        message: diagnostic.message,
+        filePath: normalizedPath,
+        displayPath: getRelativePath(normalizedPath),
+        line,
+        column,
+      })
+    }
+  }
+
+  return entries.sort((a, b) => a.severity - b.severity)
+}
+
+export function diagnosticFileName(entries: DiagnosticEntry[]) {
+  const first = entries[0]
+  return first ? first.displayPath : ""
+}

packages/ui/src/components/tool-call/diff-render.tsx

@@ -0,0 +1,119 @@
+import type { Accessor, JSXElement } from "solid-js"
+import type { RenderCache } from "../../types/message"
+import type { DiffViewMode } from "../../stores/preferences"
+import { ToolCallDiffViewer } from "../diff-viewer"
+import type { DiffPayload, DiffRenderOptions, ToolScrollHelpers } from "./types"
+import { getRelativePath } from "./utils"
+import { getCacheEntry } from "../../lib/global-cache"
+
+type CacheHandle = {
+  get<T>(): T | undefined
+  params(): unknown
+}
+
+type DiffPrefs = {
+  diffViewMode?: DiffViewMode
+}
+
+export function createDiffContentRenderer(params: {
+  preferences: Accessor<DiffPrefs>
+  setDiffViewMode: (mode: DiffViewMode) => void
+  isDark: Accessor<boolean>
+  t: (key: string, params?: Record<string, unknown>) => string
+  diffCache: CacheHandle
+  permissionDiffCache: CacheHandle
+  scrollHelpers: ToolScrollHelpers
+  handleScrollRendered: () => void
+  onContentRendered?: () => void
+}) {
+  const registerTracked = (element: HTMLDivElement | null) => {
+    params.scrollHelpers.registerContainer(element)
+  }
+
+  const registerUntracked = (element: HTMLDivElement | null) => {
+    params.scrollHelpers.registerContainer(element, { disableTracking: true })
+  }
+
+  function renderDiffContent(payload: DiffPayload, options?: DiffRenderOptions): JSXElement | null {
+    const relativePath = payload.filePath ? getRelativePath(payload.filePath) : ""
+    const toolbarLabel = options?.label || (relativePath
+      ? params.t("toolCall.diff.label.withPath", { path: relativePath })
+      : params.t("toolCall.diff.label"))
+    const selectedVariant = options?.variant === "permission-diff" ? "permission-diff" : "diff"
+    const cacheHandle = selectedVariant === "permission-diff" ? params.permissionDiffCache : params.diffCache
+    const diffMode = () => (params.preferences().diffViewMode || "split") as DiffViewMode
+    const themeKey = params.isDark() ? "dark" : "light"
+    const disableScrollTracking = Boolean(options?.disableScrollTracking)
+    const registerRef = disableScrollTracking ? registerUntracked : registerTracked
+
+    const baseEntryParams = cacheHandle.params() as any
+    const cacheEntryParams = (() => {
+      const suffix = typeof options?.cacheKey === "string" ? options.cacheKey.trim() : ""
+      if (!suffix) return baseEntryParams
+      return {
+        ...baseEntryParams,
+        cacheId: `${baseEntryParams.cacheId}:${suffix}`,
+      }
+    })()
+
+    let cachedHtml: string | undefined
+    const cached = getCacheEntry<RenderCache>(cacheEntryParams)
+    const currentMode = diffMode()
+    if (cached && cached.text === payload.diffText && cached.theme === themeKey && cached.mode === currentMode) {
+      cachedHtml = cached.html
+    }
+
+    const handleModeChange = (mode: DiffViewMode) => {
+      params.setDiffViewMode(mode)
+    }
+
+    const handleDiffRendered = () => {
+      if (!disableScrollTracking) {
+        params.handleScrollRendered()
+      }
+      params.onContentRendered?.()
+    }
+
+    return (
+      <div
+        class="message-text tool-call-markdown tool-call-markdown-large tool-call-diff-shell"
+        ref={registerRef}
+        onScroll={disableScrollTracking ? undefined : params.scrollHelpers.handleScroll}
+      >
+        <div class="tool-call-diff-toolbar" role="group" aria-label={params.t("toolCall.diff.viewMode.ariaLabel")}>
+          <span class="tool-call-diff-toolbar-label">{toolbarLabel}</span>
+          <div class="tool-call-diff-toggle">
+            <button
+              type="button"
+              class={`tool-call-diff-mode-button${diffMode() === "split" ? " active" : ""}`}
+              aria-pressed={diffMode() === "split"}
+              onClick={() => handleModeChange("split")}
+            >
+              {params.t("toolCall.diff.viewMode.split")}
+            </button>
+            <button
+              type="button"
+              class={`tool-call-diff-mode-button${diffMode() === "unified" ? " active" : ""}`}
+              aria-pressed={diffMode() === "unified"}
+              onClick={() => handleModeChange("unified")}
+            >
+              {params.t("toolCall.diff.viewMode.unified")}
+            </button>
+          </div>
+        </div>
+        <ToolCallDiffViewer
+          diffText={payload.diffText}
+          filePath={payload.filePath}
+          theme={themeKey}
+          mode={diffMode()}
+          cachedHtml={cachedHtml}
+          cacheEntryParams={cacheEntryParams as any}
+          onRendered={handleDiffRendered}
+        />
+        {params.scrollHelpers.renderSentinel({ disableTracking: disableScrollTracking })}
+      </div>
+    )
+  }
+
+  return { renderDiffContent }
+}

packages/ui/src/components/tool-call/markdown-render.tsx

@@ -0,0 +1,85 @@
+import type { Accessor, JSXElement } from "solid-js"
+import type { ToolState } from "@opencode-ai/sdk"
+import type { TextPart } from "../../types/message"
+import { Markdown } from "../markdown"
+import type { MarkdownRenderOptions, ToolScrollHelpers } from "./types"
+
+export function createMarkdownContentRenderer(params: {
+  toolState: Accessor<ToolState | undefined>
+  partId: Accessor<string>
+  partVersion?: Accessor<number | undefined>
+  instanceId: string
+  sessionId: string
+  isDark: Accessor<boolean>
+  scrollHelpers: ToolScrollHelpers
+  handleScrollRendered: () => void
+  onContentRendered?: () => void
+}) {
+  const registerTracked = (element: HTMLDivElement | null) => {
+    params.scrollHelpers.registerContainer(element)
+  }
+
+  const registerUntracked = (element: HTMLDivElement | null) => {
+    params.scrollHelpers.registerContainer(element, { disableTracking: true })
+  }
+
+  function renderMarkdownContent(options: MarkdownRenderOptions): JSXElement | null {
+    if (!options.content) {
+      return null
+    }
+
+    const size = options.size || "default"
+    const disableHighlight = options.disableHighlight || false
+    const messageClass = `message-text tool-call-markdown${size === "large" ? " tool-call-markdown-large" : ""}`
+    const disableScrollTracking = options.disableScrollTracking || false
+    const registerRef = disableScrollTracking ? registerUntracked : registerTracked
+
+    const state = params.toolState()
+    const shouldDeferMarkdown = Boolean(state && (state.status === "running" || state.status === "pending") && disableHighlight)
+    if (shouldDeferMarkdown) {
+      return (
+        <div
+          class={messageClass}
+          ref={registerRef}
+          onScroll={disableScrollTracking ? undefined : params.scrollHelpers.handleScroll}
+        >
+          <pre class="whitespace-pre-wrap break-words text-sm font-mono">{options.content}</pre>
+          {params.scrollHelpers.renderSentinel({ disableTracking: disableScrollTracking })}
+        </div>
+      )
+    }
+
+    const cacheKey = typeof options.cacheKey === "string" && options.cacheKey.length > 0 ? options.cacheKey : undefined
+    const markdownPart: TextPart = {
+      id: cacheKey ? `${params.partId()}:${cacheKey}` : params.partId(),
+      type: "text",
+      text: options.content,
+      version: params.partVersion?.(),
+    }
+
+    const handleMarkdownRendered = () => {
+      params.handleScrollRendered()
+      params.onContentRendered?.()
+    }
+
+    return (
+      <div
+        class={messageClass}
+        ref={registerRef}
+        onScroll={disableScrollTracking ? undefined : params.scrollHelpers.handleScroll}
+      >
+        <Markdown
+          part={markdownPart}
+          instanceId={params.instanceId}
+          sessionId={params.sessionId}
+          isDark={params.isDark()}
+          disableHighlight={disableHighlight}
+          onRendered={handleMarkdownRendered}
+        />
+        {params.scrollHelpers.renderSentinel({ disableTracking: disableScrollTracking })}
+      </div>
+    )
+  }
+
+  return { renderMarkdownContent }
+}

packages/ui/src/components/tool-call/permission-block.tsx

@@ -0,0 +1,125 @@
+import { Show, type Accessor, type JSXElement } from "solid-js"
+import type { PermissionRequestLike } from "../../types/permission"
+import { getPermissionDisplayTitle, getPermissionKind } from "../../types/permission"
+import { getPermissionSessionId } from "../../types/permission"
+import { useI18n } from "../../lib/i18n"
+import type { DiffPayload, DiffRenderOptions } from "./types"
+import { getRelativePath } from "./utils"
+
+type PermissionResponse = "once" | "always" | "reject"
+
+export type PermissionToolBlockProps = {
+  permission: Accessor<PermissionRequestLike | undefined>
+  active: Accessor<boolean>
+  submitting: Accessor<boolean>
+  error: Accessor<string | null>
+  onRespond: (permission: PermissionRequestLike, sessionId: string, response: PermissionResponse) => void | Promise<void>
+  renderDiff: (payload: DiffPayload, options?: DiffRenderOptions) => JSXElement | null
+  fallbackSessionId: Accessor<string>
+}
+
+export function PermissionToolBlock(props: PermissionToolBlockProps) {
+  const { t } = useI18n()
+
+  const diffPayload = () => {
+    const permission = props.permission()
+    if (!permission) return null
+    const metadata = (permission.metadata ?? {}) as Record<string, unknown>
+    const diffValue = typeof metadata.diff === "string" ? (metadata.diff as string) : null
+    const diffPathRaw = (() => {
+      if (typeof metadata.filePath === "string") {
+        return metadata.filePath as string
+      }
+      if (typeof metadata.path === "string") {
+        return metadata.path as string
+      }
+      return undefined
+    })()
+    if (!diffValue || diffValue.trim().length === 0) return null
+    return { diffText: diffValue, filePath: diffPathRaw } satisfies DiffPayload
+  }
+
+  const respond = (response: PermissionResponse) => {
+    const permission = props.permission()
+    if (!permission) return
+    const sessionId = getPermissionSessionId(permission) || props.fallbackSessionId()
+    props.onRespond(permission, sessionId, response)
+  }
+
+  return (
+    <Show when={props.permission()}>
+      {(permission) => (
+        <div class={`tool-call-permission ${props.active() ? "tool-call-permission-active" : "tool-call-permission-queued"}`}>
+          <div class="tool-call-permission-header">
+            <span class="tool-call-permission-label">
+              {props.active() ? t("toolCall.permission.status.required") : t("toolCall.permission.status.queued")}
+            </span>
+            <span class="tool-call-permission-type">{getPermissionKind(permission())}</span>
+          </div>
+          <div class="tool-call-permission-body">
+            <div class="tool-call-permission-title">
+              <code>{getPermissionDisplayTitle(permission())}</code>
+            </div>
+            <Show when={diffPayload()}>
+              {(payload) => (
+                <div class="tool-call-permission-diff">
+                  {props.renderDiff(payload(), {
+                    variant: "permission-diff",
+                    disableScrollTracking: true,
+                    label: payload().filePath
+                      ? t("toolCall.permission.requestedDiff.withPath", { path: getRelativePath(payload().filePath || "") })
+                      : t("toolCall.permission.requestedDiff.label"),
+                  })}
+                </div>
+              )}
+            </Show>
+            <Show when={!props.active()}>
+              <p class="tool-call-permission-queued-text">{t("toolCall.permission.queuedText")}</p>
+            </Show>
+            <div class="tool-call-permission-actions">
+              <div class="tool-call-permission-buttons">
+                <button
+                  type="button"
+                  class="tool-call-permission-button"
+                  disabled={props.submitting()}
+                  onClick={() => respond("once")}
+                >
+                  {t("toolCall.permission.actions.allowOnce")}
+                </button>
+                <button
+                  type="button"
+                  class="tool-call-permission-button"
+                  disabled={props.submitting()}
+                  onClick={() => respond("always")}
+                >
+                  {t("toolCall.permission.actions.alwaysAllow")}
+                </button>
+                <button
+                  type="button"
+                  class="tool-call-permission-button"
+                  disabled={props.submitting()}
+                  onClick={() => respond("reject")}
+                >
+                  {t("toolCall.permission.actions.deny")}
+                </button>
+              </div>
+              <Show when={props.active()}>
+                <div class="tool-call-permission-shortcuts">
+                  <kbd class="kbd">Enter</kbd>
+                  <span>{t("toolCall.permission.shortcuts.allowOnce")}</span>
+                  <kbd class="kbd">A</kbd>
+                  <span>{t("toolCall.permission.shortcuts.alwaysAllow")}</span>
+                  <kbd class="kbd">D</kbd>
+                  <span>{t("toolCall.permission.shortcuts.deny")}</span>
+                </div>
+              </Show>
+            </div>
+            <Show when={props.error()}>
+              <div class="tool-call-permission-error">{props.error()}</div>
+            </Show>
+          </div>
+        </div>
+      )}
+    </Show>
+  )
+}

packages/ui/src/components/tool-call/question-block.tsx

@@ -0,0 +1,344 @@
+import { createMemo, Show, For, createEffect, type Accessor } from "solid-js"
+import type { ToolState } from "@opencode-ai/sdk"
+import type { QuestionRequest } from "@opencode-ai/sdk/v2"
+import { useI18n } from "../../lib/i18n"
+
+type QuestionOption = { label: string; description: string }
+
+type QuestionPrompt = {
+  header: string
+  question: string
+  options: QuestionOption[]
+  multiple?: boolean
+}
+
+export type QuestionToolBlockProps = {
+  toolName: Accessor<string>
+  toolState: Accessor<ToolState | undefined>
+  toolCallId: Accessor<string>
+  request: Accessor<QuestionRequest | undefined>
+  active: Accessor<boolean>
+  submitting: Accessor<boolean>
+  error: Accessor<string | null>
+  draftAnswers: Accessor<Record<string, string[][]>>
+  setDraftAnswers: (updater: (prev: Record<string, string[][]>) => Record<string, string[][]>) => void
+  onSubmit: () => void | Promise<void>
+  onDismiss: () => void | Promise<void>
+}
+
+export function QuestionToolBlock(props: QuestionToolBlockProps) {
+  const { t } = useI18n()
+  let firstInputRef: HTMLInputElement | undefined
+
+  createEffect(() => {
+    if (props.active() && firstInputRef) {
+      firstInputRef.focus()
+    }
+  })
+
+  const requestId = createMemo(() => {
+    const state = props.toolState()
+    const request = props.request()
+    return request?.id ?? (state as any)?.input?.requestID ?? `question-${props.toolCallId()}`
+  })
+
+  const questions = createMemo(() => {
+    const state = props.toolState()
+    const request = props.request()
+    const isQuestionTool = props.toolName() === "question"
+    if (!request && !isQuestionTool) return [] as QuestionPrompt[]
+
+    const questionsSource = request?.questions ?? ((state as any)?.input?.questions as any[] | undefined) ?? []
+    const list = Array.isArray(questionsSource) ? questionsSource : []
+    return list as QuestionPrompt[]
+  })
+
+  const isVisible = createMemo(() => {
+    const request = props.request()
+    const isQuestionTool = props.toolName() === "question"
+    return Boolean(request) || isQuestionTool
+  })
+
+  const answers = createMemo(() => {
+    const state = props.toolState()
+
+    const completedAnswers =
+      (state as any)?.status === "completed" && Array.isArray((state as any)?.metadata?.answers)
+        ? ((state as any).metadata.answers as string[][])
+        : undefined
+
+    if (completedAnswers) return completedAnswers
+
+    const request = props.request()
+    const requestAnswers = request?.questions?.map((q) => (q as any)?.answer) // defensive (if server ever inlines)
+
+    if (Array.isArray(requestAnswers) && requestAnswers.some((row) => Array.isArray(row) && row.length > 0)) {
+      return requestAnswers as string[][]
+    }
+
+    const draft = props.draftAnswers()[requestId()] ?? []
+    return Array.isArray(draft) ? draft : []
+  })
+
+  const hasFinalAnswers = createMemo(() => {
+    const state = props.toolState()
+    if ((state as any)?.status === "completed") return true
+
+    const request = props.request()
+    const requestAnswers = request?.questions?.map((q) => (q as any)?.answer)
+    if (Array.isArray(requestAnswers) && requestAnswers.length > 0) {
+      return requestAnswers.every((row) => Array.isArray(row) && row.length > 0)
+    }
+
+    return false
+  })
+
+  const updateAnswer = (questionIndex: number, next: string[]) => {
+    if (!props.active()) return
+    props.setDraftAnswers((prev) => {
+      const current = prev[requestId()] ?? []
+      const updated = [...current]
+      updated[questionIndex] = next
+      return { ...prev, [requestId()]: updated }
+    })
+  }
+
+  const toggleOption = (questionIndex: number, label: string) => {
+    const info = questions()[questionIndex]
+    const multi = info?.multiple === true
+    const existing = answers()[questionIndex] ?? []
+    if (multi) {
+      const next = existing.includes(label) ? existing.filter((x) => x !== label) : [...existing, label]
+      updateAnswer(questionIndex, next)
+      return
+    }
+    updateAnswer(questionIndex, [label])
+  }
+
+  const submitDisabled = () => {
+    if (!props.active()) return true
+    if (props.submitting()) return true
+    return questions().some((_, index) => (answers()[index]?.length ?? 0) === 0)
+  }
+
+  const toggleFromCustomInput = (questionIndex: number, input: HTMLInputElement | null) => {
+    if (!props.active()) return
+    const rawValue = input?.value ?? ""
+    const value = rawValue
+    if (value.trim().length === 0) return
+
+    const info = questions()[questionIndex]
+    const multi = info?.multiple === true
+    if (!multi) {
+      // When switching a radio to custom, clear existing selection first.
+      updateAnswer(questionIndex, [])
+    }
+
+    toggleOption(questionIndex, value)
+  }
+
+  const clearCustomAnswer = (questionIndex: number, valuesToRemove: string[]) => {
+    if (!props.active()) return
+    if (valuesToRemove.length === 0) return
+    const existing = answers()[questionIndex] ?? []
+    const next = existing.filter((value) => !valuesToRemove.includes(value))
+    updateAnswer(questionIndex, next)
+  }
+
+  const handleCustomTyping = (questionIndex: number, input: HTMLInputElement) => {
+    if (!props.active()) return
+
+    const value = input.value
+    const trimmed = value.trim()
+    const info = questions()[questionIndex]
+    const multi = info?.multiple === true
+
+    if (!multi) {
+      updateAnswer(questionIndex, trimmed.length > 0 ? [value] : [])
+      return
+    }
+
+    const optionLabels = new Set((info?.options ?? []).map((opt) => opt.label))
+    const existing = answers()[questionIndex] ?? []
+    const last = input.dataset.lastValue ?? ""
+
+    let next = existing.filter((item) => item !== last)
+
+    if (trimmed.length > 0) {
+      // Only treat it as custom if it doesn't match an existing option label.
+      if (!optionLabels.has(trimmed) && !next.includes(value)) {
+        next = [...next, value]
+      } else if (optionLabels.has(trimmed)) {
+        // If they typed an existing option label, don't treat it as custom.
+      } else if (!next.includes(value)) {
+        next = [...next, value]
+      }
+      input.dataset.lastValue = value
+    } else {
+      delete input.dataset.lastValue
+    }
+
+    updateAnswer(questionIndex, next)
+  }
+
+  return (
+    <Show when={isVisible() && questions().length > 0}>
+      <div
+        class={`tool-call-permission p-0 gap-2 ${props.active() ? "tool-call-permission-active" : "tool-call-permission-queued"} ${hasFinalAnswers() ? "tool-call-permission-answered" : ""}`}
+      >
+        <div class="tool-call-permission-body">
+          <div class="flex flex-col gap-2">
+            <For each={questions()}>
+              {(q, index) => {
+                const i = () => index()
+                const multi = () => q?.multiple === true
+                const selected = () => answers()[i()] ?? []
+                const inputType = () => (multi() ? "checkbox" : "radio")
+                const groupName = () => `question-${requestId()}-${i()}`
+                const optionLabels = () => new Set((q?.options ?? []).map((opt) => opt.label))
+                const customSelected = () => selected().filter((value) => !optionLabels().has(value))
+                const customValue = () => customSelected()[0] ?? ""
+                const customChecked = () => customValue().length > 0
+
+                return (
+                  <div class="border border-base bg-surface-secondary p-3 text-primary">
+                    <div class="flex items-baseline justify-between gap-2">
+                      <div class="text-sm text-primary">
+                        {t("toolCall.question.number", { number: i() + 1 })} <span class="font-semibold">{q?.header}</span>
+                      </div>
+                      <Show when={multi()}>
+                        <div class="text-xs text-muted">{t("toolCall.question.multiple")}</div>
+                      </Show>
+                    </div>
+
+                    <div class="mt-1 text-sm font-medium text-primary">{q?.question}</div>
+
+                    <div class="mt-3 flex flex-col gap-1">
+                      <For each={q?.options ?? []}>
+                        {(opt, optIndex) => {
+                          const checked = () => selected().includes(opt.label)
+                          return (
+                            <label
+                              class={`flex items-start gap-2 py-1 ${props.active() ? "cursor-pointer" : props.request() ? "opacity-80" : ""}`}
+                              title={opt.description}
+                            >
+                              <input
+                                ref={(el) => {
+                                  if (i() === 0 && optIndex() === 0) firstInputRef = el
+                                }}
+                                type={inputType()}
+                                name={groupName()}
+                                class="mt-0.5 accent-[var(--accent-primary)]"
+                                checked={checked()}
+                                disabled={!props.active() || props.submitting()}
+                                onChange={() => toggleOption(i(), opt.label)}
+                              />
+                              <div class="flex flex-col">
+                                <div class="text-sm leading-tight text-primary">{opt.label}</div>
+                                <div class="text-xs text-muted leading-tight">{opt.description}</div>
+                              </div>
+                            </label>
+                          )
+                        }}
+                      </For>
+
+                      <label
+                        class={`mt-2 flex items-start gap-2 py-1 ${props.active() ? "cursor-pointer" : props.request() ? "opacity-80" : ""}`}
+                        title={t("toolCall.question.custom.title")}
+                      >
+                        <input
+                          ref={(el) => {
+                            if (i() === 0 && (q?.options?.length ?? 0) === 0) firstInputRef = el
+                          }}
+                          type={inputType()}
+                          name={groupName()}
+                          class="mt-0.5 accent-[var(--accent-primary)]"
+                          checked={customChecked()}
+                          disabled={!props.active() || props.submitting()}
+                          onChange={(e) => {
+                            const container = e.currentTarget.closest("label")
+                            const input = container?.querySelector("input[type='text']") as HTMLInputElement | null
+                            if (!props.active()) return
+                            if (customChecked()) {
+                              clearCustomAnswer(i(), customSelected())
+                              if (input) {
+                                delete input.dataset.lastValue
+                              }
+                              return
+                            }
+                            toggleFromCustomInput(i(), input)
+                          }}
+                        />
+                        <div class="flex flex-1 flex-col gap-2">
+                          <div class="text-sm leading-tight text-primary">{t("toolCall.question.custom.label")}</div>
+                          <input
+                            class="w-full rounded-md border border-base bg-surface-base px-2 py-1 text-sm text-primary"
+                            type="text"
+                            placeholder={t("toolCall.question.custom.placeholder")}
+                              disabled={!props.active() || props.submitting()}
+                              value={customValue()}
+                            onFocus={(e) => {
+                              if (!props.active()) return
+                              // Keep the radio/checkbox selected while editing.
+                              toggleFromCustomInput(i(), e.currentTarget)
+                            }}
+                            onInput={(e) => handleCustomTyping(i(), e.currentTarget)}
+                            onKeyDown={(e) => {
+                              if (e.key === "Enter" && !e.isComposing) {
+                                if (!submitDisabled()) {
+                                  props.onSubmit()
+                                }
+                              }
+                            }}
+                          />
+                        </div>
+                      </label>
+                    </div>
+                  </div>
+                )
+              }}
+            </For>
+
+            <Show when={props.active()}>
+              <div class="tool-call-permission-actions px-3 pb-3">
+                <div class="tool-call-permission-buttons">
+                  <button
+                    type="button"
+                    class="tool-call-permission-button"
+                    disabled={submitDisabled()}
+                    onClick={() => props.onSubmit()}
+                  >
+                    {t("toolCall.question.actions.submit")}
+                  </button>
+                  <button
+                    type="button"
+                    class="tool-call-permission-button"
+                    disabled={props.submitting()}
+                    onClick={() => props.onDismiss()}
+                  >
+                    {t("toolCall.question.actions.dismiss")}
+                  </button>
+                </div>
+
+                <div class="tool-call-permission-shortcuts">
+                  <kbd class="kbd">Enter</kbd>
+                  <span>{t("toolCall.question.shortcuts.submit")}</span>
+                  <kbd class="kbd">Esc</kbd>
+                  <span>{t("toolCall.question.shortcuts.dismiss")}</span>
+                </div>
+
+                <Show when={props.error()}>
+                  <div class="tool-call-permission-error">{props.error()}</div>
+                </Show>
+              </div>
+            </Show>
+
+            <Show when={!props.active() && props.request()}>
+              <p class="tool-call-permission-queued-text px-3 pb-3">{t("toolCall.question.queuedText")}</p>
+            </Show>
+          </div>
+        </div>
+      </div>
+    </Show>
+  )
+}

packages/ui/src/components/tool-call/renderers/apply-patch.tsx

@@ -0,0 +1,204 @@
+import { For, Show, createMemo } from "solid-js"
+import type { ToolRenderer } from "../types"
+import { getRelativePath, getToolName, isToolStateCompleted, readToolStatePayload } from "../utils"
+import type { DiagnosticEntry } from "../diagnostics"
+
+type LspRangePosition = {
+  line?: number
+  character?: number
+}
+
+type LspRange = {
+  start?: LspRangePosition
+}
+
+type LspDiagnostic = {
+  message?: string
+  severity?: number
+  range?: LspRange
+}
+
+type ApplyPatchFile = {
+  filePath?: string
+  relativePath?: string
+  type?: string
+  diff?: string
+}
+
+function normalizePath(value: string): string {
+  return value.replace(/\\/g, "/")
+}
+
+function determineSeverityTone(severity?: number): DiagnosticEntry["tone"] {
+  if (severity === 1) return "error"
+  if (severity === 2) return "warning"
+  return "info"
+}
+
+function getSeverityMeta(tone: DiagnosticEntry["tone"], t: (key: string, params?: Record<string, unknown>) => string) {
+  if (tone === "error") return { label: t("toolCall.diagnostics.severity.error.short"), icon: "!", rank: 0 }
+  if (tone === "warning") return { label: t("toolCall.diagnostics.severity.warning.short"), icon: "!", rank: 1 }
+  return { label: t("toolCall.diagnostics.severity.info.short"), icon: "i", rank: 2 }
+}
+
+function resolveDiagnosticsKey(
+  diagnostics: Record<string, LspDiagnostic[] | undefined>,
+  file: ApplyPatchFile,
+): string | undefined {
+  const absolute = typeof file.filePath === "string" ? normalizePath(file.filePath) : ""
+  const relative = typeof file.relativePath === "string" ? normalizePath(file.relativePath) : ""
+  if (absolute && diagnostics[absolute]) return absolute
+  if (relative && diagnostics[relative]) return relative
+
+  if (absolute) {
+    const direct = Object.keys(diagnostics).find((key) => normalizePath(key) === absolute)
+    if (direct) return direct
+  }
+
+  if (relative) {
+    const suffixMatch = Object.keys(diagnostics).find((key) => {
+      const normalized = normalizePath(key)
+      return normalized === relative || normalized.endsWith("/" + relative)
+    })
+    if (suffixMatch) return suffixMatch
+  }
+
+  return undefined
+}
+
+function buildDiagnostics(
+  diagnostics: Record<string, LspDiagnostic[] | undefined>,
+  file: ApplyPatchFile,
+  t: (key: string, params?: Record<string, unknown>) => string,
+): DiagnosticEntry[] {
+  const key = resolveDiagnosticsKey(diagnostics, file)
+  if (!key) return []
+  const list = diagnostics[key]
+  if (!Array.isArray(list) || list.length === 0) return []
+
+  const normalizedKey = normalizePath(key)
+  const entries: DiagnosticEntry[] = []
+  for (let index = 0; index < list.length; index++) {
+    const diagnostic = list[index]
+    if (!diagnostic || typeof diagnostic.message !== "string") continue
+
+    const tone = determineSeverityTone(typeof diagnostic.severity === "number" ? diagnostic.severity : undefined)
+    const severityMeta = getSeverityMeta(tone, t)
+    const line = typeof diagnostic.range?.start?.line === "number" ? diagnostic.range.start.line + 1 : 0
+    const column = typeof diagnostic.range?.start?.character === "number" ? diagnostic.range.start.character + 1 : 0
+
+    entries.push({
+      id: `${normalizedKey}-${index}-${diagnostic.message}`,
+      severity: severityMeta.rank,
+      tone,
+      label: severityMeta.label,
+      icon: severityMeta.icon,
+      message: diagnostic.message,
+      filePath: normalizedKey,
+      displayPath: getRelativePath(normalizedKey),
+      line,
+      column,
+    })
+  }
+
+  return entries.sort((a, b) => a.severity - b.severity)
+}
+
+function DiagnosticsInline(props: { entries: DiagnosticEntry[]; label: string; t: (key: string, params?: Record<string, unknown>) => string }) {
+  return (
+    <Show when={props.entries.length > 0}>
+      <div class="tool-call-diagnostics-wrapper">
+        <div
+          class="tool-call-diagnostics"
+          role="region"
+          aria-label={props.t("toolCall.diagnostics.ariaLabel.withLabel", { label: props.label })}
+        >
+          <div class="tool-call-diagnostics-body" role="list">
+            <For each={props.entries}>
+              {(entry) => (
+                <div class="tool-call-diagnostic-row" role="listitem">
+                  <span class={`tool-call-diagnostic-chip tool-call-diagnostic-${entry.tone}`}>
+                    <span class="tool-call-diagnostic-chip-icon">{entry.icon}</span>
+                    <span>{entry.label}</span>
+                  </span>
+                  <span class="tool-call-diagnostic-path" title={entry.filePath}>
+                    {entry.displayPath}
+                    <span class="tool-call-diagnostic-coords">:L{entry.line || "-"}:C{entry.column || "-"}</span>
+                  </span>
+                  <span class="tool-call-diagnostic-message">{entry.message}</span>
+                </div>
+              )}
+            </For>
+          </div>
+        </div>
+      </div>
+    </Show>
+  )
+}
+
+export const applyPatchRenderer: ToolRenderer = {
+  tools: ["apply_patch"],
+  getAction: ({ t }) => t("toolCall.applyPatch.action.preparing"),
+  getTitle({ toolState, t }) {
+    const state = toolState()
+    if (!state) return undefined
+    if (state.status === "pending") return getToolName("apply_patch")
+    const { metadata } = readToolStatePayload(state)
+    const files = Array.isArray((metadata as any).files) ? ((metadata as any).files as ApplyPatchFile[]) : []
+    if (files.length > 0) {
+      const tool = getToolName("apply_patch")
+      return files.length === 1
+        ? t("toolCall.applyPatch.title.withFileCount.one", { tool, count: files.length })
+        : t("toolCall.applyPatch.title.withFileCount.other", { tool, count: files.length })
+    }
+    return getToolName("apply_patch")
+  },
+  renderBody({ toolState, renderDiff, renderMarkdown, t }) {
+    const state = toolState()
+    if (!state || state.status === "pending") return null
+
+    const payload = readToolStatePayload(state)
+    const files = createMemo(() => {
+      const list = (payload.metadata as any).files
+      return Array.isArray(list) ? (list as ApplyPatchFile[]) : []
+    })
+    const diagnosticsMap = createMemo(() => {
+      const value = (payload.metadata as any).diagnostics
+      return value && typeof value === "object" ? (value as Record<string, LspDiagnostic[] | undefined>) : {}
+    })
+
+    if (files().length === 0) {
+      const fallback = isToolStateCompleted(state) && typeof state.output === "string" ? state.output : null
+      if (!fallback) return null
+      return renderMarkdown({ content: fallback, size: "large", disableHighlight: state.status === "running" })
+    }
+
+    return (
+      <div class="tool-call-apply-patch">
+        <For each={files()}>
+          {(file, index) => {
+            const labelBase = file.relativePath || file.filePath || t("toolCall.applyPatch.fileFallback", { number: index() + 1 })
+            const diffText = typeof file.diff === "string" ? file.diff : ""
+            const filePath = typeof file.filePath === "string" ? file.filePath : file.relativePath
+            const entries = createMemo(() => buildDiagnostics(diagnosticsMap(), file, t))
+
+            return (
+              <div class="tool-call-apply-patch-file">
+                <Show when={diffText.trim().length > 0}>
+                  {renderDiff(
+                    { diffText, filePath },
+                    {
+                      label: t("toolCall.diff.label.withPath", { path: getRelativePath(labelBase) }),
+                      cacheKey: `apply_patch:${labelBase}:${index()}`,
+                    },
+                  )}
+                </Show>
+                <DiagnosticsInline entries={entries()} label={labelBase} t={t} />
+              </div>
+            )
+          }}
+        </For>
+      </div>
+    )
+  },
+}

packages/ui/src/components/tool-call/renderers/bash.tsx

@@ -1,9 +1,10 @@
 import type { ToolRenderer } from "../types"
 import { ensureMarkdownContent, formatUnknown, getToolName, isToolStateCompleted, isToolStateError, isToolStateRunning, readToolStatePayload } from "../utils"
+import { tGlobal } from "../../../lib/i18n"
 
 export const bashRenderer: ToolRenderer = {
   tools: ["bash"],
-  getAction: () => "Writing command...",
+  getAction: () => tGlobal("toolCall.renderer.action.writingCommand"),
   getTitle({ toolState }) {
     const state = toolState()
     if (!state) return undefined
@@ -18,7 +19,7 @@ export const bashRenderer: ToolRenderer = {
     }
 
     const timeoutLabel = `${timeout}ms`
-    return `${baseTitle} · Timeout: ${timeoutLabel}`
+    return `${baseTitle} · ${tGlobal("toolCall.renderer.bash.title.timeout", { timeout: timeoutLabel })}`
   },
   renderBody({ toolState, renderMarkdown, renderAnsi }) {
     const state = toolState()

packages/ui/src/components/tool-call/renderers/edit.tsx

@@ -1,9 +1,10 @@
 import type { ToolRenderer } from "../types"
 import { ensureMarkdownContent, extractDiffPayload, getRelativePath, getToolName, isToolStateCompleted, readToolStatePayload } from "../utils"
+import { tGlobal } from "../../../lib/i18n"
 
 export const editRenderer: ToolRenderer = {
   tools: ["edit"],
-  getAction: () => "Preparing edit...",
+  getAction: () => tGlobal("toolCall.renderer.action.preparingEdit"),
   getTitle({ toolState }) {
     const state = toolState()
     if (!state) return undefined

packages/ui/src/components/tool-call/renderers/index.ts

@@ -2,6 +2,7 @@ import type { ToolRenderer } from "../types"
 import { bashRenderer } from "./bash"
 import { defaultRenderer } from "./default"
 import { editRenderer } from "./edit"
+import { applyPatchRenderer } from "./apply-patch"
 import { patchRenderer } from "./patch"
 import { readRenderer } from "./read"
 import { taskRenderer } from "./task"
@@ -16,6 +17,7 @@ const TOOL_RENDERERS: ToolRenderer[] = [
   readRenderer,
   writeRenderer,
   editRenderer,
+  applyPatchRenderer,
   patchRenderer,
   webfetchRenderer,
   todoRenderer,

packages/ui/src/components/tool-call/renderers/patch.tsx

@@ -1,9 +1,10 @@
 import type { ToolRenderer } from "../types"
 import { ensureMarkdownContent, extractDiffPayload, getRelativePath, getToolName, isToolStateCompleted, readToolStatePayload } from "../utils"
+import { tGlobal } from "../../../lib/i18n"
 
 export const patchRenderer: ToolRenderer = {
   tools: ["patch"],
-  getAction: () => "Preparing patch...",
+  getAction: () => tGlobal("toolCall.renderer.action.preparingPatch"),
   getTitle({ toolState }) {
     const state = toolState()
     if (!state) return undefined