diff --git a/packages/server/src/api-types.ts b/packages/server/src/api-types.ts
index b2a1e577..f46796b4 100644
--- a/packages/server/src/api-types.ts
+++ b/packages/server/src/api-types.ts
@@ -81,6 +81,55 @@ export interface WorktreeMap {
   parentSessionWorktreeSlug: Record<string, string>
 }
 
+export type GitChangeKind = "added" | "modified" | "deleted" | "renamed" | "copied" | "untracked" | "unmerged"
+
+export interface WorktreeGitStatusEntry {
+  path: string
+  originalPath?: string | null
+  stagedStatus: GitChangeKind | null
+  stagedAdditions: number
+  stagedDeletions: number
+  unstagedStatus: GitChangeKind | null
+  unstagedAdditions: number
+  unstagedDeletions: number
+}
+
+export type WorktreeGitStatusResponse = WorktreeGitStatusEntry[]
+
+export type WorktreeGitDiffScope = "staged" | "unstaged"
+
+export interface WorktreeGitPathsRequest {
+  paths: string[]
+}
+
+export interface WorktreeGitMutationResponse {
+  ok: true
+}
+
+export interface WorktreeGitCommitRequest {
+  message: string
+}
+
+export interface WorktreeGitCommitResponse {
+  ok: true
+  commitSha?: string
+}
+
+export interface WorktreeGitDiffResponse {
+  path: string
+  originalPath?: string | null
+  scope: WorktreeGitDiffScope
+  before: string
+  after: string
+  isBinary?: boolean
+}
+
+export interface WorktreeGitDiffRequest {
+  path: string
+  originalPath?: string | null
+  scope: WorktreeGitDiffScope
+}
+
 export type LogLevel = "debug" | "info" | "warn" | "error"
 
 export interface WorkspaceLogEntry {
diff --git a/packages/server/src/server/http-server.ts b/packages/server/src/server/http-server.ts
index ee5355c5..9d4e0e1a 100644
--- a/packages/server/src/server/http-server.ts
+++ b/packages/server/src/server/http-server.ts
@@ -10,6 +10,7 @@ import { fetch } from "undici"
 import type { Logger } from "../logger"
 import { WorkspaceManager } from "../workspaces/manager"
 import { isValidWorktreeSlug, listWorktrees, resolveRepoRoot } from "../workspaces/git-worktrees"
+import { resolveWorktreeDirectory } from "../workspaces/worktree-directory"
 
 import type { SettingsService } from "../settings/service"
 import { FileSystemBrowser } from "../filesystem/browser"
@@ -760,52 +761,6 @@ function normalizeInstanceSuffix(pathSuffix: string | undefined) {
   return trimmed.length === 0 ? "/" : `/${trimmed}`
 }
 
-type WorktreeCacheEntry = {
-  expiresAt: number
-  repoRoot: string
-  worktrees: Array<{ slug: string; directory: string }>
-}
-
-const WORKTREE_CACHE_TTL_MS = 2000
-const worktreeCache = new Map<string, WorktreeCacheEntry>()
-
-async function getCachedWorktrees(params: { workspaceId: string; workspacePath: string; logger: Logger }) {
-  const cached = worktreeCache.get(params.workspaceId)
-  const now = Date.now()
-  if (cached && cached.expiresAt > now) {
-    return cached
-  }
-
-  const { repoRoot } = await resolveRepoRoot(params.workspacePath, params.logger)
-  const worktrees = await listWorktrees({ repoRoot, workspaceFolder: params.workspacePath, logger: params.logger })
-  const entry: WorktreeCacheEntry = {
-    expiresAt: now + WORKTREE_CACHE_TTL_MS,
-    repoRoot,
-    worktrees: worktrees.map((wt) => ({ slug: wt.slug, directory: wt.directory })),
-  }
-  worktreeCache.set(params.workspaceId, entry)
-  return entry
-}
-
-async function resolveWorktreeDirectory(params: {
-  workspaceId: string
-  workspacePath: string
-  worktreeSlug: string
-  logger: Logger
-}): Promise<string | null> {
-  const { worktreeSlug } = params
-  const cached = await getCachedWorktrees({ workspaceId: params.workspaceId, workspacePath: params.workspacePath, logger: params.logger })
-  const match = cached.worktrees.find((wt) => wt.slug === worktreeSlug)
-  if (match) {
-    return match.directory
-  }
-
-  // If the slug is new (e.g., created moments ago), refresh once.
-  worktreeCache.delete(params.workspaceId)
-  const refreshed = await getCachedWorktrees({ workspaceId: params.workspaceId, workspacePath: params.workspacePath, logger: params.logger })
-  return refreshed.worktrees.find((wt) => wt.slug === worktreeSlug)?.directory ?? null
-}
-
 function setupStaticUi(app: FastifyInstance, uiDir: string, authManager: AuthManager) {
   if (!uiDir) {
     app.log.warn("UI static directory not provided; API endpoints only")
diff --git a/packages/server/src/server/routes/workspaces.ts b/packages/server/src/server/routes/workspaces.ts
index de2afd22..9f2a68a2 100644
--- a/packages/server/src/server/routes/workspaces.ts
+++ b/packages/server/src/server/routes/workspaces.ts
@@ -1,6 +1,10 @@
 import { FastifyInstance, FastifyReply } from "fastify"
 import { z } from "zod"
 import { WorkspaceManager } from "../../workspaces/manager"
+import { getWorktreeGitDiff, getWorktreeGitStatus } from "../../workspaces/git-status"
+import { commitWorktreeChanges, isGitMutationError, stageWorktreePaths, unstageWorktreePaths } from "../../workspaces/git-mutations"
+import { isGitAvailable, resolveRepoRoot } from "../../workspaces/git-worktrees"
+import { resolveWorktreeDirectory } from "../../workspaces/worktree-directory"
 
 interface RouteDeps {
   workspaceManager: WorkspaceManager
@@ -23,6 +27,20 @@ const WorkspaceFileContentBodySchema = z.object({
   contents: z.string(),
 })
 
+const WorktreeGitDiffQuerySchema = z.object({
+  path: z.string().trim().min(1, "Path is required"),
+  originalPath: z.string().trim().optional(),
+  scope: z.enum(["staged", "unstaged"]),
+})
+
+const WorktreeGitPathsBodySchema = z.object({
+  paths: z.array(z.string().trim().min(1, "Path is required")).min(1, "At least one path is required"),
+})
+
+const WorktreeGitCommitBodySchema = z.object({
+  message: z.string().trim().min(1, "Commit message is required"),
+})
+
 const WorkspaceFileSearchQuerySchema = z.object({
   q: z.string().trim().min(1, "Query is required"),
   limit: z.coerce.number().int().positive().max(200).optional(),
@@ -118,10 +136,138 @@ export function registerWorkspaceRoutes(app: FastifyInstance, deps: RouteDeps) {
       return handleWorkspaceError(error, reply)
     }
   })
+
+  app.get<{
+    Params: { id: string; slug: string }
+  }>("/api/workspaces/:id/worktrees/:slug/git-status", async (request, reply) => {
+    try {
+      const directory = await resolveGitWorktreeDirectory(deps.workspaceManager, request.params.id, request.params.slug, request.log, reply)
+      if (!directory) return
+
+      return await getWorktreeGitStatus({ workspaceFolder: directory, logger: request.log })
+    } catch (error) {
+      return handleWorkspaceError(error, reply)
+    }
+  })
+
+  app.get<{
+    Params: { id: string; slug: string }
+    Querystring: { path: string; originalPath?: string; scope: "staged" | "unstaged" }
+  }>("/api/workspaces/:id/worktrees/:slug/git-diff", async (request, reply) => {
+    try {
+      const query = WorktreeGitDiffQuerySchema.parse(request.query ?? {})
+      const directory = await resolveGitWorktreeDirectory(deps.workspaceManager, request.params.id, request.params.slug, request.log, reply)
+      if (!directory) return
+
+      return await getWorktreeGitDiff({
+        workspaceFolder: directory,
+        path: query.path,
+        originalPath: query.originalPath,
+        scope: query.scope,
+      })
+    } catch (error) {
+      return handleWorkspaceError(error, reply)
+    }
+  })
+
+  app.post<{
+    Params: { id: string; slug: string }
+    Body: { paths: string[] }
+  }>("/api/workspaces/:id/worktrees/:slug/git-stage", async (request, reply) => {
+    try {
+      const body = WorktreeGitPathsBodySchema.parse(request.body ?? {})
+      const directory = await resolveGitWorktreeDirectory(deps.workspaceManager, request.params.id, request.params.slug, request.log, reply)
+      if (!directory) return
+
+      await stageWorktreePaths({ workspaceFolder: directory, paths: body.paths })
+      return { ok: true as const }
+    } catch (error) {
+      return handleWorkspaceError(error, reply)
+    }
+  })
+
+  app.post<{
+    Params: { id: string; slug: string }
+    Body: { paths: string[] }
+  }>("/api/workspaces/:id/worktrees/:slug/git-unstage", async (request, reply) => {
+    try {
+      const body = WorktreeGitPathsBodySchema.parse(request.body ?? {})
+      const directory = await resolveGitWorktreeDirectory(deps.workspaceManager, request.params.id, request.params.slug, request.log, reply)
+      if (!directory) return
+
+      await unstageWorktreePaths({ workspaceFolder: directory, paths: body.paths })
+      return { ok: true as const }
+    } catch (error) {
+      return handleWorkspaceError(error, reply)
+    }
+  })
+
+  app.post<{
+    Params: { id: string; slug: string }
+    Body: { message: string }
+  }>("/api/workspaces/:id/worktrees/:slug/git-commit", async (request, reply) => {
+    try {
+      const body = WorktreeGitCommitBodySchema.parse(request.body ?? {})
+      const directory = await resolveGitWorktreeDirectory(deps.workspaceManager, request.params.id, request.params.slug, request.log, reply)
+      if (!directory) return
+
+      const result = await commitWorktreeChanges({ workspaceFolder: directory, message: body.message })
+      return { ok: true as const, ...result }
+    } catch (error) {
+      return handleWorkspaceError(error, reply)
+    }
+  })
+}
+
+async function resolveGitWorktreeDirectory(
+  workspaceManager: WorkspaceManager,
+  workspaceId: string,
+  worktreeSlug: string,
+  logger: { debug?: (obj: any, msg?: string) => void; warn?: (obj: any, msg?: string) => void },
+  reply: FastifyReply,
+): Promise<string | null> {
+  const workspace = workspaceManager.get(workspaceId)
+  if (!workspace) {
+    reply.code(404)
+    reply.send({ error: "Workspace not found" })
+    return null
+  }
+
+  const gitAvailable = await isGitAvailable(workspace.path)
+  if (!gitAvailable) {
+    reply.code(503)
+    reply.send({ error: "Git is not installed or not available in PATH" })
+    return null
+  }
+
+  const { isGitRepo } = await resolveRepoRoot(workspace.path, logger)
+  if (!isGitRepo) {
+    reply.code(400)
+    reply.send({ error: "Workspace is not a Git repository" })
+    return null
+  }
+
+  const directory = await resolveWorktreeDirectory({
+    workspaceId: workspace.id,
+    workspacePath: workspace.path,
+    worktreeSlug,
+    logger,
+  })
+  if (!directory) {
+    reply.code(404)
+    reply.send({ error: "Worktree not found" })
+    return null
+  }
+
+  return directory
 }
 
 
 function handleWorkspaceError(error: unknown, reply: FastifyReply) {
+  if (isGitMutationError(error)) {
+    reply.code(error.statusCode)
+    return { error: error.message }
+  }
   if (error instanceof Error && error.message === "Workspace not found") {
     reply.code(404)
     return { error: "Workspace not found" }
diff --git a/packages/server/src/workspaces/git-mutations.ts b/packages/server/src/workspaces/git-mutations.ts
new file mode 100644
index 00000000..32c1ed53
--- /dev/null
+++ b/packages/server/src/workspaces/git-mutations.ts
@@ -0,0 +1,121 @@
+import { spawn } from "child_process"
+import path from "path"
+
+type GitResult = { ok: true; stdout: string } | { ok: false; error: Error; stdout?: string; stderr?: string }
+
+class GitMutationError extends Error {
+  statusCode: number
+
+  constructor(message: string, statusCode = 400) {
+    super(message)
+    this.name = "GitMutationError"
+    this.statusCode = statusCode
+  }
+}
+
+function runGit(args: string[], cwd: string): Promise<GitResult> {
+  return new Promise((resolve) => {
+    const child = spawn("git", args, { cwd, stdio: ["ignore", "pipe", "pipe"] })
+    let stdout = ""
+    let stderr = ""
+
+    child.stdout?.on("data", (chunk) => {
+      stdout += chunk.toString()
+    })
+    child.stderr?.on("data", (chunk) => {
+      stderr += chunk.toString()
+    })
+    child.once("error", (error) => {
+      resolve({ ok: false, error, stdout, stderr })
+    })
+    child.once("close", (code) => {
+      if (code === 0) {
+        resolve({ ok: true, stdout })
+      } else {
+        const error = new Error(stderr.trim() || `git ${args.join(" ")} failed with code ${code}`)
+        resolve({ ok: false, error, stdout, stderr })
+      }
+    })
+  })
+}
+
+export function normalizeGitWorktreeRelativePath(input: string): string {
+  const normalized = input.trim().replace(/\\+/g, "/").replace(/^\.\//, "")
+  if (!normalized) {
+    throw new GitMutationError("Path is required", 400)
+  }
+  if (path.posix.isAbsolute(normalized) || path.win32.isAbsolute(normalized)) {
+    throw new GitMutationError(`Absolute paths are not allowed: ${input}`, 400)
+  }
+  if (normalized === "." || normalized === "..") {
+    throw new GitMutationError(`Invalid path: ${input}`, 400)
+  }
+  if (normalized.startsWith("../") || normalized.includes("/../") || normalized.endsWith("/..")) {
+    throw new GitMutationError(`Path traversal is not allowed: ${input}`, 400)
+  }
+  return normalized
+}
+
+function normalizeGitMutationPaths(paths: string[]): string[] {
+  const deduped = new Set<string>()
+  for (const rawPath of paths) {
+    deduped.add(normalizeGitWorktreeRelativePath(rawPath))
+  }
+  const normalized = Array.from(deduped)
+  if (normalized.length === 0) {
+    throw new GitMutationError("At least one path is required", 400)
+  }
+  return normalized
+}
+
+async function ensureGitCommandSucceeded(resultPromise: Promise<GitResult>, fallbackMessage: string): Promise<string> {
+  const result = await resultPromise
+  if (!result.ok) {
+    const message = result.stderr?.trim() || result.error.message || fallbackMessage
+    throw new GitMutationError(message, 409)
+  }
+  return result.stdout
+}
+
+export function isGitMutationError(error: unknown): error is GitMutationError {
+  return error instanceof GitMutationError
+}
+
+export async function stageWorktreePaths(params: { workspaceFolder: string; paths: string[] }): Promise<void> {
+  const paths = normalizeGitMutationPaths(params.paths)
+  await ensureGitCommandSucceeded(runGit(["add", "--", ...paths], params.workspaceFolder), "Failed to stage files")
+}
+
+export async function unstageWorktreePaths(params: { workspaceFolder: string; paths: string[] }): Promise<void> {
+  const paths = normalizeGitMutationPaths(params.paths)
+  const headResult = await runGit(["rev-parse", "--verify", "HEAD"], params.workspaceFolder)
+  if (headResult.ok) {
+    await ensureGitCommandSucceeded(
+      runGit(["restore", "--staged", "--", ...paths], params.workspaceFolder),
+      "Failed to unstage files",
+    )
+    return
+  }
+
+  await ensureGitCommandSucceeded(
+    runGit(["rm", "--cached", "--quiet", "--", ...paths], params.workspaceFolder),
+    "Failed to unstage files",
+  )
+}
+
+export async function commitWorktreeChanges(params: { workspaceFolder: string; message: string }): Promise<{ commitSha?: string }> {
+  const message = params.message.trim()
+  if (!message) {
+    throw new GitMutationError("Commit message is required", 400)
+  }
+
+  await ensureGitCommandSucceeded(runGit(["commit", "-m", message], params.workspaceFolder), "Failed to create commit")
+
+  const shaResult = await runGit(["rev-parse", "HEAD"], params.workspaceFolder)
+  if (!shaResult.ok) {
+    return {}
+  }
+
+  const commitSha = shaResult.stdout.trim()
+  return commitSha ? { commitSha } : {}
+}
diff --git a/packages/server/src/workspaces/git-status.ts b/packages/server/src/workspaces/git-status.ts
new file mode 100644
index 00000000..57d7cfb2
--- /dev/null
+++ b/packages/server/src/workspaces/git-status.ts
@@ -0,0 +1,385 @@
+import { spawn } from "child_process"
+import { readFile } from "fs/promises"
+import path from "path"
+
+import type { GitChangeKind, WorktreeGitDiffResponse, WorktreeGitDiffScope, WorktreeGitStatusEntry } from "../api-types"
+import type { LogLike } from "./git-worktrees"
+import { normalizeGitWorktreeRelativePath } from "./git-mutations"
+
+type GitResult = { ok: true; stdout: string } | { ok: false; error: Error; stdout?: string; stderr?: string }
+type GitSuccessResult = Extract<GitResult, { ok: true }>
+
+async function readFileAsDiffText(filePath: string): Promise<string> {
+  return readFile(filePath, "utf-8")
+}
+
+async function readGitBlobAsDiffText(resultPromise: Promise<GitResult>, missingOk = false): Promise<string> {
+  const result = await resultPromise
+  if (!result.ok) {
+    return decodeGitShowResult(result, missingOk)
+  }
+  return result.stdout
+}
+
+function runGit(args: string[], cwd: string, acceptedExitCodes: number[] = [0]): Promise<GitResult> {
+  return new Promise((resolve) => {
+    const child = spawn("git", args, { cwd, stdio: ["ignore", "pipe", "pipe"] })
+    let stdout = ""
+    let stderr = ""
+
+    child.stdout?.on("data", (chunk) => {
+      stdout += chunk.toString()
+    })
+    child.stderr?.on("data", (chunk) => {
+      stderr += chunk.toString()
+    })
+    child.once("error", (error) => {
+      resolve({ ok: false, error, stdout, stderr })
+    })
+    child.once("close", (code) => {
+      if (acceptedExitCodes.includes(code ?? 0)) {
+        resolve({ ok: true, stdout })
+      } else {
+        const error = new Error(stderr.trim() || `git ${args.join(" ")} failed with code ${code}`)
+        resolve({ ok: false, error, stdout, stderr })
+      }
+    })
+  })
+}
+
+function ensureEntry(map: Map<string, WorktreeGitStatusEntry>, path: string): WorktreeGitStatusEntry {
+  const existing = map.get(path)
+  if (existing) return existing
+  const next: WorktreeGitStatusEntry = {
+    path,
+    originalPath: null,
+    stagedStatus: null,
+    stagedAdditions: 0,
+    stagedDeletions: 0,
+    unstagedStatus: null,
+    unstagedAdditions: 0,
+    unstagedDeletions: 0,
+  }
+  map.set(path, next)
+  return next
+}
+
+function normalizeGitStatusPath(value: string): string {
+  return value.trim().replace(/\\+/g, "/")
+}
+
+function parseGitChangeKind(code: string): GitChangeKind | null {
+  const normalized = code.trim().toUpperCase()
+  if (!normalized) return null
+  if (normalized === "A") return "added"
+  if (normalized === "M") return "modified"
+  if (normalized === "D") return "deleted"
+  if (normalized.startsWith("R")) return "renamed"
+  if (normalized.startsWith("C")) return "copied"
+  if (normalized === "U") return "unmerged"
+  return null
+}
+
+function applyNameStatusOutput(
+  map: Map<string, WorktreeGitStatusEntry>,
+  output: string,
+  target: "stagedStatus" | "unstagedStatus",
+) {
+  const tokens = output.split("\0")
+  let index = 0
+
+  while (index < tokens.length) {
+    const record = tokens[index++] ?? ""
+    if (!record) continue
+
+    const parts = record.split("\t")
+    const statusCode = parseGitChangeKind(parts[0] ?? "")
+    if (!statusCode) continue
+
+    const inlinePath = parts.slice(1).join("\t")
+    const firstPath = inlinePath || tokens[index++] || ""
+    const secondPath = statusCode === "renamed" || statusCode === "copied" ? tokens[index++] || "" : ""
+    const path = statusCode === "renamed" || statusCode === "copied" ? secondPath || firstPath : firstPath
+    const normalizedPath = normalizeGitStatusPath(path)
+    if (!normalizedPath) continue
+    const entry = ensureEntry(map, normalizedPath)
+    entry[target] = statusCode
+    if (statusCode === "renamed" || statusCode === "copied") {
+      const originalPath = normalizeGitStatusPath(firstPath)
+      entry.originalPath = originalPath || entry.originalPath || null
+    }
+  }
+}
+
+function applyUntrackedOutput(map: Map<string, WorktreeGitStatusEntry>, output: string) {
+  for (const rawLine of output.split(/\r?\n/)) {
+    const path = normalizeGitStatusPath(rawLine)
+    if (!path) continue
+    ensureEntry(map, path).unstagedStatus = "untracked"
+  }
+}
+
+function parseSingleNumstat(output: string): { additions: number; deletions: number; isBinary: boolean; found: boolean } {
+  for (const rawLine of output.split(/\r?\n/)) {
+    const line = rawLine.trim()
+    if (!line) continue
+    const parts = rawLine.split("\t")
+    const isBinary = parts[0] === "-" || parts[1] === "-"
+    return {
+      additions: isBinary ? 0 : Number.parseInt(parts[0] ?? "0", 10) || 0,
+      deletions: isBinary ? 0 : Number.parseInt(parts[1] ?? "0", 10) || 0,
+      isBinary,
+      found: true,
+    }
+  }
+
+  return { additions: 0, deletions: 0, isBinary: false, found: false }
+}
+
+async function getUntrackedFileNumstat(workspaceFolder: string, relativePath: string): Promise<{ additions: number; deletions: number }> {
+  const absolutePath = path.join(workspaceFolder, relativePath)
+  const result = await runGit(["diff", "--numstat", "--no-index", "--", "/dev/null", absolutePath], workspaceFolder, [0, 1])
+  if (!result.ok) {
+    throw result.error
+  }
+
+  const parsed = parseSingleNumstat(result.stdout)
+  return { additions: parsed.additions, deletions: parsed.deletions }
+}
+
+async function applyUntrackedFileStats(map: Map<string, WorktreeGitStatusEntry>, workspaceFolder: string) {
+  const pending = Array.from(map.values())
+    .filter((entry) => entry.unstagedStatus === "untracked")
+    .map(async (entry) => {
+      try {
+        const stats = await getUntrackedFileNumstat(workspaceFolder, entry.path)
+        entry.unstagedAdditions = stats.additions
+        entry.unstagedDeletions = stats.deletions
+      } catch {
+        entry.unstagedAdditions = 0
+        entry.unstagedDeletions = 0
+      }
+    })
+  await Promise.all(pending)
+}
+
+function applyNumstatOutput(
+  map: Map<string, WorktreeGitStatusEntry>,
+  output: string,
+  target: "staged" | "unstaged",
+) {
+  const tokens = output.split("\0")
+  let index = 0
+
+  while (index < tokens.length) {
+    const record = tokens[index++] ?? ""
+    if (!record) continue
+
+    const parts = record.split("\t")
+    if (parts.length < 3) continue
+
+    const additions = parts[0] === "-" ? 0 : Number.parseInt(parts[0] ?? "0", 10)
+    const deletions = parts[1] === "-" ? 0 : Number.parseInt(parts[1] ?? "0", 10)
+    const inlinePath = parts.slice(2).join("\t")
+    const isRenameLike = inlinePath === ""
+    const originalPath = isRenameLike ? normalizeGitStatusPath(tokens[index++] ?? "") : null
+    const normalizedPath = normalizeGitStatusPath(isRenameLike ? tokens[index++] ?? "" : inlinePath)
+    if (!normalizedPath) continue
+
+    const entry = ensureEntry(map, normalizedPath)
+    if (originalPath) {
+      entry.originalPath = originalPath
+    }
+
+    if (target === "staged") {
+      entry.stagedAdditions = Number.isFinite(additions) ? additions : 0
+      entry.stagedDeletions = Number.isFinite(deletions) ? deletions : 0
+    } else {
+      entry.unstagedAdditions = Number.isFinite(additions) ? additions : 0
+      entry.unstagedDeletions = Number.isFinite(deletions) ? deletions : 0
+    }
+  }
+}
+
+export async function getWorktreeGitStatus(params: {
+  workspaceFolder: string
+  logger?: LogLike
+}): Promise<WorktreeGitStatusEntry[]> {
+  const { workspaceFolder, logger } = params
+  const [stagedResult, unstagedResult, untrackedResult, stagedNumstatResult, unstagedNumstatResult] = await Promise.all([
+    runGit(["diff", "--name-status", "-z", "--cached", "--find-renames", "--find-copies"], workspaceFolder),
+    runGit(["diff", "--name-status", "-z", "--find-renames", "--find-copies"], workspaceFolder),
+    runGit(["ls-files", "--others", "--exclude-standard"], workspaceFolder),
+    runGit(["diff", "--numstat", "-z", "--cached", "--find-renames", "--find-copies"], workspaceFolder),
+    runGit(["diff", "--numstat", "-z", "--find-renames", "--find-copies"], workspaceFolder),
+  ])
+
+  for (const result of [stagedResult, unstagedResult, untrackedResult, stagedNumstatResult, unstagedNumstatResult]) {
+    if (!result.ok) {
+      logger?.warn?.({ workspaceFolder, err: result.error }, "Failed to read git status for worktree")
+      throw result.error
+    }
+  }
+
+  const stagedOutput = (stagedResult as GitSuccessResult).stdout
+  const unstagedOutput = (unstagedResult as GitSuccessResult).stdout
+  const untrackedOutput = (untrackedResult as GitSuccessResult).stdout
+  const stagedNumstatOutput = (stagedNumstatResult as GitSuccessResult).stdout
+  const unstagedNumstatOutput = (unstagedNumstatResult as GitSuccessResult).stdout
+
+  const entries = new Map<string, WorktreeGitStatusEntry>()
+  applyNameStatusOutput(entries, stagedOutput, "stagedStatus")
+  applyNameStatusOutput(entries, unstagedOutput, "unstagedStatus")
+  applyUntrackedOutput(entries, untrackedOutput)
+  applyNumstatOutput(entries, stagedNumstatOutput, "staged")
+  applyNumstatOutput(entries, unstagedNumstatOutput, "unstaged")
+  await applyUntrackedFileStats(entries, workspaceFolder)
+
+  return Array.from(entries.values()).sort((a, b) => a.path.localeCompare(b.path))
+}
+
+function decodeGitShowResult(result: GitResult, missingOk = false): string {
+  if (result.ok) return result.stdout
+  const message = result.stderr?.trim() || result.error.message || ""
+  if (
+    missingOk &&
+    (message.includes("exists on disk, but not in") ||
+      message.includes("Path '") ||
+      message.includes("does not exist") ||
+      message.includes("unknown revision or path not in the working tree"))
+  ) {
+    return ""
+  }
+  throw result.error
+}
+
+async function readGitIndexBlob(workspaceFolder: string, normalizedPath: string): Promise<GitResult> {
+  return runGit(["cat-file", "-p", `:${normalizedPath}`], workspaceFolder)
+}
+
+async function getTrackedDiffMetadata(params: {
+  workspaceFolder: string
+  scope: WorktreeGitDiffScope
+  normalizedPath: string
+  normalizedOriginalPath: string | null
+}): Promise<{ isBinary: boolean; found: boolean }> {
+  const args = ["diff", "--numstat"]
+  if (params.scope === "staged") {
+    args.push("--cached")
+  }
+  args.push("--find-renames", "--find-copies", "--")
+  args.push(params.normalizedPath)
+  if (params.normalizedOriginalPath && params.normalizedOriginalPath !== params.normalizedPath) {
+    args.push(params.normalizedOriginalPath)
+  }
+
+  const result = await runGit(args, params.workspaceFolder)
+  if (!result.ok) {
+    throw result.error
+  }
+
+  const parsed = parseSingleNumstat(result.stdout)
+  return { isBinary: parsed.isBinary, found: parsed.found }
+}
+
+async function getUntrackedDiffMetadata(params: {
+  workspaceFolder: string
+  normalizedPath: string
+}): Promise<{ isBinary: boolean }> {
+  const absolutePath = path.join(params.workspaceFolder, params.normalizedPath)
+  const result = await runGit(["diff", "--numstat", "--no-index", "--", "/dev/null", absolutePath], params.workspaceFolder, [0, 1])
+  if (!result.ok) {
+    throw result.error
+  }
+
+  return { isBinary: parseSingleNumstat(result.stdout).isBinary }
+}
+
+async function resolveUnstagedBeforePath(params: {
+  workspaceFolder: string
+  normalizedPath: string
+  normalizedOriginalPath: string | null
+}): Promise<GitResult> {
+  const currentPathResult = await readGitIndexBlob(params.workspaceFolder, params.normalizedPath)
+  if (currentPathResult.ok || !params.normalizedOriginalPath || params.normalizedOriginalPath === params.normalizedPath) {
+    return currentPathResult
+  }
+  return readGitIndexBlob(params.workspaceFolder, params.normalizedOriginalPath)
+}
+
+export async function getWorktreeGitDiff(params: {
+  workspaceFolder: string
+  path: string
+  originalPath?: string | null
+  scope: WorktreeGitDiffScope
+}): Promise<WorktreeGitDiffResponse> {
+  const normalizedPath = normalizeGitWorktreeRelativePath(params.path)
+  const normalizedOriginalPath = params.originalPath ? normalizeGitWorktreeRelativePath(params.originalPath) : null
+
+  const trackedMetadata = await getTrackedDiffMetadata({
+    workspaceFolder: params.workspaceFolder,
+    scope: params.scope,
+    normalizedPath,
+    normalizedOriginalPath,
+  })
+
+  const diffMetadata =
+    params.scope === "unstaged" && !trackedMetadata.found
+      ? await getUntrackedDiffMetadata({
+          workspaceFolder: params.workspaceFolder,
+          normalizedPath,
+        })
+      : trackedMetadata
+
+  if (diffMetadata.isBinary) {
+    return {
+      path: normalizedPath,
+      originalPath: normalizedOriginalPath,
+      scope: params.scope,
+      before: "",
+      after: "",
+      isBinary: true,
+    }
+  }
+
+  if (params.scope === "staged") {
+    const [beforeResult, afterResult] = await Promise.all([
+      readGitBlobAsDiffText(runGit(["show", `HEAD:${normalizedOriginalPath ?? normalizedPath}`], params.workspaceFolder), true),
+      readGitBlobAsDiffText(readGitIndexBlob(params.workspaceFolder, normalizedPath), true),
+    ])
+
+    return {
+      path: normalizedPath,
+      originalPath: normalizedOriginalPath,
+      scope: params.scope,
+      before: beforeResult,
+      after: afterResult,
+      isBinary: false,
+    }
+  }
+
+  const indexResult = await resolveUnstagedBeforePath({
+    workspaceFolder: params.workspaceFolder,
+    normalizedPath,
+    normalizedOriginalPath,
+  })
+
+  const beforeResult = await readGitBlobAsDiffText(Promise.resolve(indexResult), true)
+  let after = beforeResult
+
+  const fsPath = path.join(params.workspaceFolder, normalizedPath)
+  try {
+    after = await readFileAsDiffText(fsPath)
+  } catch {
+    after = ""
+  }
+
+  return {
+    path: normalizedPath,
+    originalPath: normalizedOriginalPath,
+    scope: params.scope,
+    before: beforeResult,
+    after,
+    isBinary: false,
+  }
+}
diff --git a/packages/server/src/workspaces/git-worktrees.ts b/packages/server/src/workspaces/git-worktrees.ts
index f9b5998e..9e53e305 100644
--- a/packages/server/src/workspaces/git-worktrees.ts
+++ b/packages/server/src/workspaces/git-worktrees.ts
@@ -10,6 +10,10 @@ export interface LogLike {
 
 type GitResult = { ok: true; stdout: string } | { ok: false; error: Error; stdout?: string; stderr?: string }
 
+function isGitUnavailableResult(result: GitResult): boolean {
+  return !result.ok && (result.error as NodeJS.ErrnoException | undefined)?.code === "ENOENT"
+}
+
 function runGit(args: string[], cwd: string): Promise<GitResult> {
   return new Promise((resolve) => {
     const child = spawn("git", args, { cwd, stdio: ["ignore", "pipe", "pipe"] })
@@ -38,6 +42,9 @@ function runGit(args: string[], cwd: string): Promise<GitResult> {
 
 export async function resolveRepoRoot(folder: string, logger?: LogLike): Promise<{ repoRoot: string; isGitRepo: boolean }> {
   const result = await runGit(["rev-parse", "--show-toplevel"], folder)
+  if (isGitUnavailableResult(result)) {
+    throw new Error("Git is not installed or not available in PATH")
+  }
   if (!result.ok) {
     logger?.debug?.({ folder, err: result.error }, "Folder is not a Git repository; using workspace folder as root")
     return { repoRoot: folder, isGitRepo: false }
@@ -49,6 +56,11 @@ export async function resolveRepoRoot(folder: string, logger?: LogLike): Promise
   return { repoRoot, isGitRepo: true }
 }
 
+export async function isGitAvailable(folder: string): Promise<boolean> {
+  const result = await runGit(["--version"], folder)
+  return result.ok || !isGitUnavailableResult(result)
+}
+
 function parseWorktreePorcelain(output: string): Array<{ worktree: string; branch?: string; head?: string; detached?: boolean }> {
   const records: Array<{ worktree: string; branch?: string; head?: string; detached?: boolean }> = []
   const lines = output.split(/\r?\n/)
@@ -90,15 +102,22 @@ export async function listWorktrees(params: {
   logger?: LogLike
 }): Promise<WorktreeDescriptor[]> {
   const { repoRoot, workspaceFolder, logger } = params
-  const rootDescriptor: WorktreeDescriptor = { slug: "root", directory: repoRoot, kind: "root" }
 
   const result = await runGit(["worktree", "list", "--porcelain"], workspaceFolder)
   if (!result.ok) {
+    const rootDescriptor: WorktreeDescriptor = { slug: "root", directory: repoRoot, kind: "root" }
     logger?.debug?.({ repoRoot, err: result.error }, "Failed to list git worktrees; returning root only")
     return [rootDescriptor]
   }
 
   const records = parseWorktreePorcelain(result.stdout)
+  const rootRecord = records.find((record) => path.resolve(record.worktree) === path.resolve(repoRoot))
+  const rootDescriptor: WorktreeDescriptor = {
+    slug: "root",
+    directory: repoRoot,
+    kind: "root",
+    branch: rootRecord?.branch,
+  }
 
   const worktrees: WorktreeDescriptor[] = [rootDescriptor]
   const seen = new Set<string>(["root"])
diff --git a/packages/server/src/workspaces/worktree-directory.ts b/packages/server/src/workspaces/worktree-directory.ts
new file mode 100644
index 00000000..144aed98
--- /dev/null
+++ b/packages/server/src/workspaces/worktree-directory.ts
@@ -0,0 +1,99 @@
+import { realpath } from "fs/promises"
+import type { LogLike } from "./git-worktrees"
+import { listWorktrees, resolveRepoRoot } from "./git-worktrees"
+
+type WorktreeCacheEntry = {
+  expiresAt: number
+  repoRoot: string
+  worktrees: Array<{ slug: string; directory: string; normalizedDirectory: string }>
+}
+
+const WORKTREE_CACHE_TTL_MS = 2000
+const worktreeCache = new Map<string, WorktreeCacheEntry>()
+
+async function normalizeDirectoryPath(directory: string): Promise<string> {
+  const trimmed = (directory ?? "").trim()
+  if (!trimmed) return ""
+  try {
+    return await realpath(trimmed)
+  } catch {
+    return trimmed
+  }
+}
+
+async function getCachedWorktrees(params: { workspaceId: string; workspacePath: string; logger?: LogLike }) {
+  const cached = worktreeCache.get(params.workspaceId)
+  const now = Date.now()
+  if (cached && cached.expiresAt > now) {
+    return cached
+  }
+
+  const { repoRoot } = await resolveRepoRoot(params.workspacePath, params.logger)
+  const worktrees = await listWorktrees({ repoRoot, workspaceFolder: params.workspacePath, logger: params.logger })
+  const entry: WorktreeCacheEntry = {
+    expiresAt: now + WORKTREE_CACHE_TTL_MS,
+    repoRoot,
+    worktrees: await Promise.all(
+      worktrees.map(async (wt) => ({
+        slug: wt.slug,
+        directory: wt.directory,
+        normalizedDirectory: await normalizeDirectoryPath(wt.directory),
+      })),
+    ),
+  }
+  worktreeCache.set(params.workspaceId, entry)
+  return entry
+}
+
+export async function resolveWorktreeDirectory(params: {
+  workspaceId: string
+  workspacePath: string
+  worktreeSlug: string
+  logger?: LogLike
+}): Promise<string | null> {
+  const cached = await getCachedWorktrees({
+    workspaceId: params.workspaceId,
+    workspacePath: params.workspacePath,
+    logger: params.logger,
+  })
+  const match = cached.worktrees.find((wt) => wt.slug === params.worktreeSlug)
+  if (match) {
+    return match.directory
+  }
+
+  worktreeCache.delete(params.workspaceId)
+  const refreshed = await getCachedWorktrees({
+    workspaceId: params.workspaceId,
+    workspacePath: params.workspacePath,
+    logger: params.logger,
+  })
+  return refreshed.worktrees.find((wt) => wt.slug === params.worktreeSlug)?.directory ?? null
+}
+
+export async function resolveWorktreeSlugForDirectory(params: {
+  workspaceId: string
+  workspacePath: string
+  directory: string
+  logger?: LogLike
+}): Promise<string | null> {
+  const target = await normalizeDirectoryPath(params.directory ?? "")
+  if (!target) return null
+
+  const cached = await getCachedWorktrees({
+    workspaceId: params.workspaceId,
+    workspacePath: params.workspacePath,
+    logger: params.logger,
+  })
+  const match = cached.worktrees.find((wt) => wt.normalizedDirectory === target)
+  if (match) {
+    return match.slug
+  }
+
+  worktreeCache.delete(params.workspaceId)
+  const refreshed = await getCachedWorktrees({
+    workspaceId: params.workspaceId,
+    workspacePath: params.workspacePath,
+    logger: params.logger,
+  })
+  return refreshed.worktrees.find((wt) => wt.normalizedDirectory === target)?.slug ?? null
+}
diff --git a/packages/ui/src/components/file-viewer/monaco-diff-viewer.tsx b/packages/ui/src/components/file-viewer/monaco-diff-viewer.tsx
index 6856fb24..3cf2204a 100644
--- a/packages/ui/src/components/file-viewer/monaco-diff-viewer.tsx
+++ b/packages/ui/src/components/file-viewer/monaco-diff-viewer.tsx
@@ -1,4 +1,4 @@
-import { createEffect, createMemo, createSignal, onCleanup, onMount } from "solid-js"
+import { Show, createEffect, createMemo, createSignal, onCleanup, onMount } from "solid-js"
 import { loadMonaco } from "../../lib/monaco/setup"
 import { getOrCreateTextModel } from "../../lib/monaco/model-cache"
 import { inferMonacoLanguageId } from "../../lib/monaco/language"
@@ -15,6 +15,8 @@ interface MonacoDiffViewerProps {
   viewMode?: "split" | "unified"
   contextMode?: "expanded" | "collapsed"
   wordWrap?: "on" | "off"
+  onRequestInsertContext?: (selection: { startLine: number; endLine: number }) => void
+  insertContextLabel?: string
 }
 
 export function MonacoDiffViewer(props: MonacoDiffViewerProps) {
@@ -24,6 +26,10 @@ export function MonacoDiffViewer(props: MonacoDiffViewerProps) {
   let diffEditor: any = null
   let monaco: any = null
   const [ready, setReady] = createSignal(false)
+  const [hoveredLine, setHoveredLine] = createSignal<number | null>(null)
+  const [selectedRange, setSelectedRange] = createSignal<{ startLine: number; endLine: number } | null>(null)
+  const [widgetHovered, setWidgetHovered] = createSignal(false)
+  const [widgetPosition, setWidgetPosition] = createSignal<{ top: number; left: number } | null>(null)
 
   const resolvedContent = createMemo(() => {
     if (props.patch !== undefined && props.patch !== null) {
@@ -49,6 +55,52 @@ export function MonacoDiffViewer(props: MonacoDiffViewerProps) {
     diffEditor = null
   }
 
+  const getModifiedEditor = () => diffEditor?.getModifiedEditor?.() ?? null
+
+  const getActiveInsertRange = () => {
+    const selection = selectedRange()
+    if (selection) return selection
+    if (widgetHovered() && hoveredLine()) {
+      return { startLine: hoveredLine() as number, endLine: hoveredLine() as number }
+    }
+    const line = hoveredLine()
+    if (!line) return null
+    return { startLine: line, endLine: line }
+  }
+
+  const layoutInsertWidget = () => {
+    const modifiedEditor = getModifiedEditor()
+    const container = host
+    if (!modifiedEditor || !container) return
+    const activeRange = getActiveInsertRange()
+    if (!activeRange) {
+      setWidgetPosition(null)
+      return
+    }
+
+    try {
+      const modifiedDom = modifiedEditor.getDomNode?.() as HTMLElement | null
+      if (!modifiedDom) {
+        setWidgetPosition(null)
+        return
+      }
+
+      const margin = modifiedDom.querySelector<HTMLElement>(".margin")
+      const scrollable = modifiedDom.querySelector<HTMLElement>(".monaco-scrollable-element.editor-scrollable")
+      const lineTop = modifiedEditor.getTopForLineNumber?.(activeRange.startLine) ?? 0
+      const scrollTop = modifiedEditor.getScrollTop?.() ?? 0
+      const lineHeight = Number(modifiedEditor.getOption?.(monaco.editor.EditorOption.lineHeight) ?? 18)
+      const modifiedRect = modifiedDom.getBoundingClientRect()
+      const containerRect = container.getBoundingClientRect()
+      const seamLeft = modifiedRect.left - containerRect.left + (margin?.offsetWidth ?? scrollable?.offsetLeft ?? 0)
+      const centerTop = modifiedRect.top - containerRect.top + (lineTop - scrollTop) + lineHeight / 2
+
+      setWidgetPosition({ top: centerTop, left: seamLeft })
+    } catch {
+      setWidgetPosition(null)
+    }
+  }
+
   onMount(() => {
     let cancelled = false
     void (async () => {
@@ -68,7 +120,7 @@ export function MonacoDiffViewer(props: MonacoDiffViewerProps) {
         renderWhitespace: "selection",
         fontSize: 13,
         wordWrap: props.wordWrap === "on" ? "on" : "off",
-        glyphMargin: false,
+        glyphMargin: true,
         folding: false,
         // Keep enough gutter space so unified diffs don't overlap `+`/`-` markers.
         lineNumbersMinChars: 4,
@@ -81,6 +133,8 @@ export function MonacoDiffViewer(props: MonacoDiffViewerProps) {
       })
 
       setReady(true)
+
+      layoutInsertWidget()
     })()
 
     onCleanup(() => {
@@ -95,6 +149,74 @@ export function MonacoDiffViewer(props: MonacoDiffViewerProps) {
     monaco.editor.setTheme(isDark() ? "vs-dark" : "vs")
   })
 
+  createEffect(() => {
+    if (!ready() || !monaco || !diffEditor) return
+    const modifiedEditor = diffEditor.getModifiedEditor?.()
+    if (!modifiedEditor?.onDidChangeCursorSelection) return
+
+    const disposable = modifiedEditor.onDidChangeCursorSelection((event: any) => {
+      const selection = event?.selection
+      if (!selection || selection.isEmpty?.()) {
+        setSelectedRange(null)
+        layoutInsertWidget()
+        return
+      }
+      setSelectedRange({
+        startLine: Math.min(selection.startLineNumber, selection.endLineNumber),
+        endLine: Math.max(selection.startLineNumber, selection.endLineNumber),
+      })
+      layoutInsertWidget()
+    })
+
+    onCleanup(() => {
+      try {
+        disposable?.dispose?.()
+      } catch {
+        // ignore
+      }
+    })
+  })
+
+  createEffect(() => {
+    if (!ready() || !monaco || !diffEditor) return
+    const modifiedEditor = getModifiedEditor()
+    if (!modifiedEditor?.onMouseMove || !modifiedEditor?.onMouseLeave || !modifiedEditor?.onMouseDown) return
+
+    const moveDisposable = modifiedEditor.onMouseMove((event: any) => {
+      const lineNumber = event?.target?.position?.lineNumber
+      setHoveredLine(typeof lineNumber === "number" ? lineNumber : null)
+      layoutInsertWidget()
+    })
+
+    const leaveDisposable = modifiedEditor.onMouseLeave(() => {
+      if (!widgetHovered()) {
+        setHoveredLine(null)
+      }
+      layoutInsertWidget()
+    })
+
+    const scrollDisposable = modifiedEditor.onDidScrollChange?.(() => {
+      layoutInsertWidget()
+    })
+
+    onCleanup(() => {
+      try {
+        moveDisposable?.dispose?.()
+        leaveDisposable?.dispose?.()
+        scrollDisposable?.dispose?.()
+      } catch {
+        // ignore
+      }
+    })
+  })
+
+  createEffect(() => {
+    if (!ready() || !monaco || !diffEditor) return
+    const activeRange = getActiveInsertRange()
+    if (!activeRange) setWidgetPosition(null)
+    layoutInsertWidget()
+  })
+
   createEffect(() => {
     if (!ready() || !monaco || !diffEditor) return
     const viewMode = props.viewMode === "unified" ? "unified" : "split"
@@ -145,5 +267,46 @@ export function MonacoDiffViewer(props: MonacoDiffViewerProps) {
     })
   })
 
-  return <div class="monaco-viewer" ref={host} />
+  return (
+    <div class="monaco-viewer" ref={host}>
+      <div class="git-change-context-overlay">
+        <Show when={widgetPosition()}>
+          {(position: () => { top: number; left: number }) => (
+            <div
+              class="git-change-context-widget-host"
+              style={{ top: `${position().top}px`, left: `${position().left}px` }}
+              onMouseEnter={() => {
+                setWidgetHovered(true)
+                layoutInsertWidget()
+              }}
+              onMouseLeave={() => {
+                setWidgetHovered(false)
+                layoutInsertWidget()
+              }}
+            >
+              <button
+                type="button"
+                class="git-change-context-widget"
+                aria-label={props.insertContextLabel ?? "Add git change context to prompt"}
+                title={props.insertContextLabel ?? "Add git change context to prompt"}
+                onMouseDown={(event) => {
+                  event.preventDefault()
+                  event.stopPropagation()
+                }}
+                onClick={(event) => {
+                  event.preventDefault()
+                  event.stopPropagation()
+                  const activeRange = getActiveInsertRange()
+                  if (!activeRange) return
+                  props.onRequestInsertContext?.(activeRange)
+                }}
+              >
+                +
+              </button>
+            </div>
+          )}
+        </Show>
+      </div>
+    </div>
+  )
 }
diff --git a/packages/ui/src/components/instance/instance-shell2.tsx b/packages/ui/src/components/instance/instance-shell2.tsx
index 694b9d36..0ead3c1a 100644
--- a/packages/ui/src/components/instance/instance-shell2.tsx
+++ b/packages/ui/src/components/instance/instance-shell2.tsx
@@ -43,6 +43,7 @@ import RightPanel from "./shell/right-panel/RightPanel"
 import { useDrawerChrome } from "./shell/useDrawerChrome"
 import { getRetrySeconds, getSessionRetry, getSessionStatus } from "../../stores/session-status"
 import { Maximize2, ShieldAlert } from "lucide-solid"
+import type { PromptInputApi } from "../prompt-input/types"
 
 import type { LayoutMode } from "./shell/types"
 import {
@@ -105,6 +106,7 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
   const [showBackgroundOutput, setShowBackgroundOutput] = createSignal(false)
   const [permissionModalOpen, setPermissionModalOpen] = createSignal(false)
   const [now, setNow] = createSignal(Date.now())
+  const [sessionPromptApis, setSessionPromptApis] = createSignal<Record<string, PromptInputApi | null>>({})
 
   // Worktree selector manages its own dialogs.
   const [showSessionSearch, setShowSessionSearch] = createSignal(false)
@@ -268,6 +270,19 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
 
   const permissionQueue = createMemo(() => getPermissionQueue(props.instance.id))
 
+  const activePromptInputApi = createMemo(() => {
+    const sessionId = activeSessionIdForInstance()
+    if (!sessionId || sessionId === "info") return null
+    return sessionPromptApis()[sessionId] ?? null
+  })
+
+  const registerSessionPromptApi = (sessionId: string, api: PromptInputApi | null) => {
+    setSessionPromptApis((current) => ({
+      ...current,
+      [sessionId]: api,
+    }))
+  }
+
   createEffect(() => {
     getPermissionAutoAcceptInFlightVersion()
 
@@ -594,6 +609,7 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
             onCloseRightDrawer={closeRightDrawer}
             onPinRightDrawer={pinRightDrawer}
             onUnpinRightDrawer={unpinRightDrawer}
+            promptInputApi={activePromptInputApi}
             setContentEl={setRightDrawerContentEl}
           />
         </Box>
@@ -656,6 +672,7 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
           onCloseRightDrawer={closeRightDrawer}
           onPinRightDrawer={pinRightDrawer}
           onUnpinRightDrawer={unpinRightDrawer}
+          promptInputApi={activePromptInputApi}
           setContentEl={setRightDrawerContentEl}
         />
       </Drawer>
@@ -892,6 +909,7 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
                           escapeInDebounce={props.escapeInDebounce}
                           isPhoneLayout={isPhoneLayout()}
                           compactPromptLayout={compactPromptLayout()}
+                          registerSessionPromptApi={registerSessionPromptApi}
                           showSidebarToggle={showEmbeddedSidebarToggle()}
                           onSidebarToggle={() => setLeftOpen(true)}
                           forceCompactStatusLayout={showEmbeddedSidebarToggle()}
diff --git a/packages/ui/src/components/instance/shell/right-panel/RightPanel.tsx b/packages/ui/src/components/instance/shell/right-panel/RightPanel.tsx
index c031ac87..0a9ba0b7 100644
--- a/packages/ui/src/components/instance/shell/right-panel/RightPanel.tsx
+++ b/packages/ui/src/components/instance/shell/right-panel/RightPanel.tsx
@@ -10,7 +10,7 @@ import {
   type Component,
 } from "solid-js"
 import type { ToolState } from "@opencode-ai/sdk/v2"
-import type { FileContent, FileNode, File as GitFileStatus } from "@opencode-ai/sdk/v2/client"
+import type { FileContent, FileNode } from "@opencode-ai/sdk/v2/client"
 import IconButton from "@suid/material/IconButton"
 import MenuOpenIcon from "@suid/icons-material/MenuOpen"
 import PushPinIcon from "@suid/icons-material/PushPin"
@@ -19,16 +19,23 @@ import PushPinOutlinedIcon from "@suid/icons-material/PushPinOutlined"
 import type { Instance } from "../../../../types/instance"
 import type { BackgroundProcess } from "../../../../../../server/src/api-types"
 import type { Session } from "../../../../types/session"
+import type { PromptInputApi } from "../../../prompt-input/types"
 import type { DrawerViewState } from "../types"
 import type { DiffContextMode, DiffViewMode, DiffWordWrapMode, RightPanelTab } from "./types"
 
-import { getDefaultWorktreeSlug, getOrCreateWorktreeClient, getWorktreeSlugForSession } from "../../../../stores/worktrees"
+import {
+  getDefaultWorktreeSlug,
+  getGitRepoStatus,
+  getOrCreateWorktreeClient,
+  getWorktreeSlugForSession,
+  getWorktrees,
+} from "../../../../stores/worktrees"
 import { requestData } from "../../../../lib/opencode-api"
 import { serverApi } from "../../../../lib/api-client"
 import { showConfirmDialog } from "../../../../stores/alerts"
 import { showToastNotification } from "../../../../lib/notifications"
-import { buildUnifiedDiffFromSdkPatch, tryReverseApplyUnifiedDiff } from "../../../../lib/unified-diff-reverse"
 import { useGlobalPointerDrag } from "../useGlobalPointerDrag"
+import { useGitChanges } from "./useGitChanges"
 import {
   RIGHT_PANEL_CHANGES_DIFF_CONTEXT_MODE_KEY,
   RIGHT_PANEL_CHANGES_DIFF_VIEW_MODE_KEY,
@@ -41,7 +48,11 @@ import {
   RIGHT_PANEL_FILES_SPLIT_WIDTH_KEY,
   RIGHT_PANEL_GIT_CHANGES_LIST_OPEN_NONPHONE_KEY,
   RIGHT_PANEL_GIT_CHANGES_LIST_OPEN_PHONE_KEY,
+  RIGHT_PANEL_GIT_CHANGES_STAGED_OPEN_NONPHONE_KEY,
+  RIGHT_PANEL_GIT_CHANGES_STAGED_OPEN_PHONE_KEY,
   RIGHT_PANEL_GIT_CHANGES_SPLIT_WIDTH_KEY,
+  RIGHT_PANEL_GIT_CHANGES_UNSTAGED_OPEN_NONPHONE_KEY,
+  RIGHT_PANEL_GIT_CHANGES_UNSTAGED_OPEN_PHONE_KEY,
   RIGHT_PANEL_TAB_STORAGE_KEY,
   readStoredBool,
   readStoredEnum,
@@ -82,6 +93,7 @@ interface RightPanelProps {
   onCloseRightDrawer: () => void
   onPinRightDrawer: () => void
   onUnpinRightDrawer: () => void
+  promptInputApi: Accessor<PromptInputApi | null>
 
   setContentEl: (el: HTMLElement | null) => void
 }
@@ -133,6 +145,8 @@ const RightPanel: Component<RightPanelProps> = (props) => {
   const [changesListTouched, setChangesListTouched] = createSignal(false)
   const [gitChangesListOpen, setGitChangesListOpen] = createSignal(true)
   const [gitChangesListTouched, setGitChangesListTouched] = createSignal(false)
+  const [gitStagedOpen, setGitStagedOpen] = createSignal(true)
+  const [gitUnstagedOpen, setGitUnstagedOpen] = createSignal(true)
 
   const listLayoutKey = createMemo(() => (props.isPhoneLayout() ? "phone" : "nonphone"))
 
@@ -149,11 +163,28 @@ const RightPanel: Component<RightPanelProps> = (props) => {
     return layout === "phone" ? RIGHT_PANEL_FILES_LIST_OPEN_PHONE_KEY : RIGHT_PANEL_FILES_LIST_OPEN_NONPHONE_KEY
   }
 
+  const gitSectionStorageKey = (section: "staged" | "unstaged") => {
+    const layout = listLayoutKey()
+    if (section === "staged") {
+      return layout === "phone"
+        ? RIGHT_PANEL_GIT_CHANGES_STAGED_OPEN_PHONE_KEY
+        : RIGHT_PANEL_GIT_CHANGES_STAGED_OPEN_NONPHONE_KEY
+    }
+    return layout === "phone"
+      ? RIGHT_PANEL_GIT_CHANGES_UNSTAGED_OPEN_PHONE_KEY
+      : RIGHT_PANEL_GIT_CHANGES_UNSTAGED_OPEN_NONPHONE_KEY
+  }
+
   const persistListOpen = (tab: "changes" | "git-changes" | "files", value: boolean) => {
     if (typeof window === "undefined") return
     window.localStorage.setItem(listOpenStorageKey(tab), value ? "true" : "false")
   }
 
+  const persistGitSectionOpen = (section: "staged" | "unstaged", value: boolean) => {
+    if (typeof window === "undefined") return
+    window.localStorage.setItem(gitSectionStorageKey(section), value ? "true" : "false")
+  }
+
   createEffect(() => {
     // Refresh persisted visibility when layout changes (phone vs non-phone).
     const layout = listLayoutKey()
@@ -185,6 +216,12 @@ const RightPanel: Component<RightPanelProps> = (props) => {
       setGitChangesListOpen(true)
       setGitChangesListTouched(false)
     }
+
+    const stagedPersisted = readStoredBool(gitSectionStorageKey("staged"))
+    setGitStagedOpen(stagedPersisted ?? true)
+
+    const unstagedPersisted = readStoredBool(gitSectionStorageKey("unstaged"))
+    setGitUnstagedOpen(unstagedPersisted ?? true)
   })
 
   createEffect(() => {
@@ -339,34 +376,56 @@ const RightPanel: Component<RightPanelProps> = (props) => {
     return getDefaultWorktreeSlug(props.instanceId)
   })
 
+  const gitChangesWorktreeSlug = createMemo(() => {
+    if (getGitRepoStatus(props.instanceId) === false) return null
+    const slug = worktreeSlugForViewer().trim()
+    return slug ? slug : null
+  })
+
+  const gitChangesWorktree = createMemo(() => {
+    const slug = gitChangesWorktreeSlug()
+    if (!slug) return null
+    return getWorktrees(props.instanceId).find((worktree) => worktree.slug === slug) ?? null
+  })
+
+  const gitChangesBranchLabel = createMemo(() => {
+    const branch = gitChangesWorktree()?.branch?.trim()
+    return branch || null
+  })
+
   const browserClient = createMemo(() => getOrCreateWorktreeClient(props.instanceId, worktreeSlugForViewer()))
 
-  const [gitStatusEntries, setGitStatusEntries] = createSignal<GitFileStatus[] | null>(null)
-  const [gitStatusLoading, setGitStatusLoading] = createSignal(false)
-  const [gitStatusError, setGitStatusError] = createSignal<string | null>(null)
-  const [gitSelectedPath, setGitSelectedPath] = createSignal<string | null>(null)
-  const [gitSelectedLoading, setGitSelectedLoading] = createSignal(false)
-  const [gitSelectedError, setGitSelectedError] = createSignal<string | null>(null)
-  const [gitSelectedBefore, setGitSelectedBefore] = createSignal<string | null>(null)
-  const [gitSelectedAfter, setGitSelectedAfter] = createSignal<string | null>(null)
-
-  const gitMostChangedPath = createMemo<string | null>(() => {
-    const entries = gitStatusEntries()
-    if (!Array.isArray(entries) || entries.length === 0) return null
-    const candidates = entries.filter((item) => item && item.status !== "deleted")
-    if (candidates.length === 0) return null
-    const best = candidates.reduce((currentBest, item) => {
-      const bestScore = (currentBest?.added ?? 0) + (currentBest?.removed ?? 0)
-      const score = (item?.added ?? 0) + (item?.removed ?? 0)
-      if (score > bestScore) return item
-      if (score < bestScore) return currentBest
-      return String(item.path || "").localeCompare(String(currentBest?.path || "")) < 0 ? item : currentBest
-    }, candidates[0])
-    return typeof best?.path === "string" ? best.path : null
+  const {
+    gitStatusEntries,
+    gitStatusLoading,
+    gitStatusError,
+    gitSelectedItemId,
+    gitBulkSelectedItemIds,
+    gitSelectedLoading,
+    gitSelectedError,
+    gitSelectedBefore,
+    gitSelectedAfter,
+    gitCommitMessage,
+    gitCommitSubmitting,
+    gitMostChangedItemId,
+    setGitCommitMessage,
+    handleGitRowClick,
+    refreshGitStatus,
+    insertGitChangeContext,
+    submitGitCommit,
+    stageGitFile,
+    unstageGitFile,
+  } = useGitChanges({
+    t: props.t,
+    instanceId: props.instanceId,
+    rightPanelTab,
+    worktreeSlug: worktreeSlugForViewer,
+    isPhoneLayout: props.isPhoneLayout,
+    promptInputApi: props.promptInputApi,
+    closeGitList: () => setGitChangesListOpen(false),
   })
 
   createEffect(() => {
-    // Reset tab state when worktree context changes.
     worktreeSlugForViewer()
     setBrowserPath(".")
     setBrowserEntries(null)
@@ -375,111 +434,8 @@ const RightPanel: Component<RightPanelProps> = (props) => {
     setBrowserSelectedContent(null)
     setBrowserSelectedError(null)
     setBrowserSelectedLoading(false)
-
-    setGitStatusEntries(null)
-    setGitStatusError(null)
-    setGitStatusLoading(false)
-    setGitSelectedPath(null)
-    setGitSelectedLoading(false)
-    setGitSelectedError(null)
-    setGitSelectedBefore(null)
-    setGitSelectedAfter(null)
   })
 
-  const loadGitStatus = async (force = false) => {
-    if (!force && gitStatusEntries() !== null) return
-    setGitStatusLoading(true)
-    setGitStatusError(null)
-    try {
-      const list = await requestData<GitFileStatus[]>(browserClient().file.status(), "file.status")
-      setGitStatusEntries(Array.isArray(list) ? list : [])
-    } catch (error) {
-      setGitStatusError(error instanceof Error ? error.message : "Failed to load git status")
-      setGitStatusEntries([])
-    } finally {
-      setGitStatusLoading(false)
-    }
-  }
-
-  async function openGitFile(path: string) {
-    setGitSelectedPath(path)
-    setGitSelectedLoading(true)
-    setGitSelectedError(null)
-    setGitSelectedBefore(null)
-    setGitSelectedAfter(null)
-
-    const list = gitStatusEntries() || []
-    const entry = list.find((item) => item.path === path) || null
-    if (entry?.status === "deleted") {
-      setGitSelectedError("Deleted file diff is not available yet")
-      setGitSelectedLoading(false)
-      return
-    }
-
-    // Phone: treat file selection as a commit action and close the overlay.
-    if (props.isPhoneLayout()) {
-      setGitChangesListOpen(false)
-    }
-
-    try {
-      const content = await requestData<FileContent>(browserClient().file.read({ path }), "file.read")
-      const type = (content as any)?.type
-      const encoding = (content as any)?.encoding
-      if (type && type !== "text") {
-        throw new Error("Binary file cannot be displayed")
-      }
-      if (encoding === "base64") {
-        throw new Error("Binary file cannot be displayed")
-      }
-      const afterText = typeof (content as any)?.content === "string" ? ((content as any).content as string) : null
-      if (afterText === null) {
-        throw new Error("Unsupported file type")
-      }
-
-      setGitSelectedAfter(afterText)
-
-      if (entry?.status === "added") {
-        setGitSelectedBefore("")
-        return
-      }
-
-      const diffText =
-        typeof (content as any)?.diff === "string" && String((content as any).diff).trim().length > 0
-          ? String((content as any).diff)
-          : (content as any)?.patch
-            ? buildUnifiedDiffFromSdkPatch((content as any).patch)
-            : ""
-
-      const beforeText = tryReverseApplyUnifiedDiff(afterText, diffText)
-      if (beforeText === null) {
-        throw new Error("Unable to calculate diff for this file")
-      }
-      setGitSelectedBefore(beforeText)
-    } catch (error) {
-      setGitSelectedError(error instanceof Error ? error.message : "Failed to load file changes")
-    } finally {
-      setGitSelectedLoading(false)
-    }
-  }
-
-  createEffect(() => {
-    if (rightPanelTab() !== "git-changes") return
-    const entries = gitStatusEntries()
-    if (entries === null) return
-    if (gitSelectedPath()) return
-    const next = gitMostChangedPath()
-    if (!next) return
-    void openGitFile(next)
-  })
-
-  const refreshGitStatus = async () => {
-    await loadGitStatus(true)
-    const selected = gitSelectedPath()
-    if (selected) {
-      void openGitFile(selected)
-    }
-  }
-
   const bestDiffFile = createMemo<string | null>(() => {
     const diffs = props.activeSessionDiffs()
     if (!Array.isArray(diffs) || diffs.length === 0) return null
@@ -680,21 +636,6 @@ const RightPanel: Component<RightPanelProps> = (props) => {
     setBrowserSelectedDirty(false)
   })
 
-  createEffect(() => {
-    if (rightPanelTab() !== "git-changes") return
-    if (gitStatusLoading()) return
-    if (gitStatusEntries() !== null) return
-    void loadGitStatus()
-  })
-
-  createEffect(() => {
-    if (rightPanelTab() === "git-changes") return
-    setGitSelectedBefore(null)
-    setGitSelectedAfter(null)
-    setGitSelectedLoading(false)
-    setGitSelectedError(null)
-  })
-
   const handleSelectChangesFile = (file: string, closeList: boolean) => {
     setSelectedFile(file)
     if (closeList) {
@@ -911,12 +852,13 @@ const RightPanel: Component<RightPanelProps> = (props) => {
               entries={gitStatusEntries}
               statusLoading={gitStatusLoading}
               statusError={gitStatusError}
-              selectedPath={gitSelectedPath}
+              selectedItemId={gitSelectedItemId}
+              selectedBulkItemIds={gitBulkSelectedItemIds}
               selectedLoading={gitSelectedLoading}
               selectedError={gitSelectedError}
               selectedBefore={gitSelectedBefore}
               selectedAfter={gitSelectedAfter}
-              mostChangedPath={gitMostChangedPath}
+              mostChangedItemId={gitMostChangedItemId}
               scopeKey={gitScopeKey}
               diffViewMode={diffViewMode}
               diffContextMode={diffContextMode}
@@ -924,8 +866,28 @@ const RightPanel: Component<RightPanelProps> = (props) => {
               onViewModeChange={setDiffViewMode}
               onContextModeChange={setDiffContextMode}
               onWordWrapModeChange={setDiffWordWrapMode}
-              onOpenFile={(path: string) => void openGitFile(path)}
+              onRowClick={handleGitRowClick}
               onRefresh={() => void refreshGitStatus()}
+              onInsertContext={insertGitChangeContext}
+              onStageFile={stageGitFile}
+              onUnstageFile={unstageGitFile}
+              commitMessage={gitCommitMessage}
+              commitSubmitting={gitCommitSubmitting}
+              onCommitMessageInput={setGitCommitMessage}
+              onSubmitCommit={() => void submitGitCommit()}
+              branchLabel={gitChangesBranchLabel}
+              stagedOpen={gitStagedOpen}
+              unstagedOpen={gitUnstagedOpen}
+              onToggleStagedOpen={() => {
+                const next = !gitStagedOpen()
+                setGitStagedOpen(next)
+                persistGitSectionOpen("staged", next)
+              }}
+              onToggleUnstagedOpen={() => {
+                const next = !gitUnstagedOpen()
+                setGitUnstagedOpen(next)
+                persistGitSectionOpen("unstaged", next)
+              }}
               listOpen={gitChangesListOpen}
               onToggleList={toggleGitList}
               splitWidth={gitChangesSplitWidth}
diff --git a/packages/ui/src/components/instance/shell/right-panel/git-changes-model.ts b/packages/ui/src/components/instance/shell/right-panel/git-changes-model.ts
new file mode 100644
index 00000000..a7e248b7
--- /dev/null
+++ b/packages/ui/src/components/instance/shell/right-panel/git-changes-model.ts
@@ -0,0 +1,148 @@
+import type { File as SdkGitFileStatus } from "@opencode-ai/sdk/v2/client"
+import type { WorktreeGitStatusEntry } from "../../../../../../server/src/api-types"
+
+import type { GitChangeEntry, GitChangeListItem, GitChangeSection, GitChangeStatus } from "./types"
+
+function normalizeGitChangePath(path: unknown): string {
+  if (typeof path !== "string") return ""
+  const normalized = path.replace(/\\+/g, "/").replace(/^\.\//, "").trim()
+  return normalized
+}
+
+export function normalizeGitChangeStatus(status: unknown): GitChangeStatus {
+  return typeof status === "string" && status.trim().length > 0 ? status : "modified"
+}
+
+export function adaptSdkGitStatusEntry(entry: SdkGitFileStatus): GitChangeEntry {
+  return {
+    path: normalizeGitChangePath(entry?.path),
+    originalPath: null,
+    additions: typeof entry?.added === "number" ? entry.added : 0,
+    deletions: typeof entry?.removed === "number" ? entry.removed : 0,
+    status: normalizeGitChangeStatus(entry?.status),
+  }
+}
+
+export function adaptSdkGitStatusEntries(
+  entries: SdkGitFileStatus[] | null | undefined,
+  details?: WorktreeGitStatusEntry[] | null,
+): GitChangeEntry[] {
+  const detailsByPath = new Map(
+    (details ?? [])
+      .map((entry) => {
+        const path = normalizeGitChangePath(entry.path)
+        return path ? [{ ...entry, path }, path] : null
+      })
+      .filter((entry): entry is [WorktreeGitStatusEntry, string] => Boolean(entry))
+      .map(([entry, path]) => [path, entry] as const),
+  )
+  const adaptedByPath = new Map<string, GitChangeEntry>()
+
+  for (const entry of entries ?? []) {
+    const adapted = adaptSdkGitStatusEntry(entry)
+    if (!adapted.path) continue
+    const detail = detailsByPath.get(adapted.path)
+      adaptedByPath.set(adapted.path, {
+        ...adapted,
+        originalPath: detail?.originalPath ? normalizeGitChangePath(detail.originalPath) : adapted.originalPath ?? null,
+        stagedStatus: detail?.stagedStatus ?? null,
+        unstagedStatus: detail?.unstagedStatus ?? null,
+        stagedAdditions: detail?.stagedAdditions ?? 0,
+      stagedDeletions: detail?.stagedDeletions ?? 0,
+      unstagedAdditions: detail?.unstagedAdditions ?? 0,
+      unstagedDeletions: detail?.unstagedDeletions ?? 0,
+    })
+  }
+
+  for (const detail of details ?? []) {
+    const normalizedPath = normalizeGitChangePath(detail.path)
+    if (!normalizedPath || adaptedByPath.has(normalizedPath)) continue
+      adaptedByPath.set(normalizedPath, {
+        path: normalizedPath,
+        originalPath: detail.originalPath ? normalizeGitChangePath(detail.originalPath) : null,
+        additions: 0,
+        deletions: 0,
+        status: detail.unstagedStatus ?? detail.stagedStatus ?? "modified",
+      stagedStatus: detail.stagedStatus,
+      unstagedStatus: detail.unstagedStatus,
+      stagedAdditions: detail.stagedAdditions,
+      stagedDeletions: detail.stagedDeletions,
+      unstagedAdditions: detail.unstagedAdditions,
+      unstagedDeletions: detail.unstagedDeletions,
+    })
+  }
+
+  return Array.from(adaptedByPath.values()).filter((entry) => entry.path.length > 0)
+}
+
+function buildGitChangeListItemId(section: GitChangeSection, path: string): string {
+  return `${section}:${path}`
+}
+
+function splitGitChangePath(path: string) {
+  const normalized = normalizeGitChangePath(path)
+  const lastSlash = normalized.lastIndexOf("/")
+  if (lastSlash === -1) {
+    return { displayName: normalized, parentPath: "" }
+  }
+  return {
+    displayName: normalized.slice(lastSlash + 1),
+    parentPath: normalized.slice(0, lastSlash),
+  }
+}
+
+export function buildGitChangeListItems(entries: GitChangeEntry[] | null | undefined): GitChangeListItem[] {
+  if (!Array.isArray(entries)) return []
+
+  const items: GitChangeListItem[] = []
+  for (const entry of entries) {
+    const pathParts = splitGitChangePath(entry.path)
+    if (entry.stagedStatus) {
+      items.push({
+        id: buildGitChangeListItemId("staged", entry.path),
+        path: entry.path,
+        originalPath: entry.originalPath ?? null,
+        section: "staged",
+        status: entry.stagedStatus,
+        additions: entry.stagedAdditions ?? 0,
+        deletions: entry.stagedDeletions ?? 0,
+        entry,
+        displayName: pathParts.displayName,
+        parentPath: pathParts.parentPath,
+      })
+    }
+    if (entry.unstagedStatus) {
+      items.push({
+        id: buildGitChangeListItemId("unstaged", entry.path),
+        path: entry.path,
+        originalPath: entry.originalPath ?? null,
+        section: "unstaged",
+        status: entry.unstagedStatus,
+        additions: entry.unstagedAdditions ?? entry.additions,
+        deletions: entry.unstagedDeletions ?? entry.deletions,
+        entry,
+        displayName: pathParts.displayName,
+        parentPath: pathParts.parentPath,
+      })
+    }
+    if (!entry.stagedStatus && !entry.unstagedStatus) {
+      items.push({
+        id: buildGitChangeListItemId("unstaged", entry.path),
+        path: entry.path,
+        originalPath: entry.originalPath ?? null,
+        section: "unstaged",
+        status: entry.status,
+        additions: entry.additions,
+        deletions: entry.deletions,
+        entry,
+        displayName: pathParts.displayName,
+        parentPath: pathParts.parentPath,
+      })
+    }
+  }
+
+  return items.sort((a, b) => {
+    if (a.section !== b.section) return a.section.localeCompare(b.section)
+    return a.path.localeCompare(b.path)
+  })
+}
diff --git a/packages/ui/src/components/instance/shell/right-panel/tabs/GitChangesTab.tsx b/packages/ui/src/components/instance/shell/right-panel/tabs/GitChangesTab.tsx
index 019dce1d..c7da139c 100644
--- a/packages/ui/src/components/instance/shell/right-panel/tabs/GitChangesTab.tsx
+++ b/packages/ui/src/components/instance/shell/right-panel/tabs/GitChangesTab.tsx
@@ -1,11 +1,20 @@
-import { For, Show, Suspense, createMemo, lazy, type Accessor, type Component, type JSX } from "solid-js"
-import type { File as GitFileStatus } from "@opencode-ai/sdk/v2/client"
+import {
+  For,
+  Show,
+  Suspense,
+  createMemo,
+  lazy,
+  type Accessor,
+  type Component,
+  type JSX,
+} from "solid-js"
 
-import { RefreshCw } from "lucide-solid"
+import { ChevronDown, ChevronRight, GitBranch, RefreshCw } from "lucide-solid"
 
 import DiffToolbar from "../components/DiffToolbar"
 import SplitFilePanel from "../components/SplitFilePanel"
-import type { DiffContextMode, DiffViewMode, DiffWordWrapMode } from "../types"
+import type { DiffContextMode, DiffViewMode, DiffWordWrapMode, GitChangeEntry, GitChangeListItem } from "../types"
+import { buildGitChangeListItems } from "../git-changes-model"
 
 const LazyMonacoDiffViewer = lazy(() =>
   import("../../../../file-viewer/monaco-diff-viewer").then((module) => ({ default: module.MonacoDiffViewer })),
@@ -16,16 +25,17 @@ interface GitChangesTabProps {
 
   activeSessionId: Accessor<string | null>
 
-  entries: Accessor<GitFileStatus[] | null>
+  entries: Accessor<GitChangeEntry[] | null>
   statusLoading: Accessor<boolean>
   statusError: Accessor<string | null>
 
-  selectedPath: Accessor<string | null>
+  selectedItemId: Accessor<string | null>
+  selectedBulkItemIds: Accessor<Set<string>>
   selectedLoading: Accessor<boolean>
   selectedError: Accessor<string | null>
   selectedBefore: Accessor<string | null>
   selectedAfter: Accessor<string | null>
-  mostChangedPath: Accessor<string | null>
+  mostChangedItemId: Accessor<string | null>
 
   scopeKey: Accessor<string>
 
@@ -36,8 +46,21 @@ interface GitChangesTabProps {
   onContextModeChange: (mode: DiffContextMode) => void
   onWordWrapModeChange: (mode: DiffWordWrapMode) => void
 
-  onOpenFile: (path: string) => void
+  onRowClick: (item: GitChangeListItem, event: MouseEvent) => void
   onRefresh: () => void
+  onInsertContext: (item: GitChangeListItem, selection: { startLine: number; endLine: number }) => void
+  onStageFile: (item: GitChangeListItem) => void
+  onUnstageFile: (item: GitChangeListItem) => void
+  commitMessage: Accessor<string>
+  commitSubmitting: Accessor<boolean>
+  onCommitMessageInput: (value: string) => void
+  onSubmitCommit: () => void
+  branchLabel: Accessor<string | null>
+
+  stagedOpen: Accessor<boolean>
+  unstagedOpen: Accessor<boolean>
+  onToggleStagedOpen: () => void
+  onToggleUnstagedOpen: () => void
 
   listOpen: Accessor<boolean>
   onToggleList: () => void
@@ -52,48 +75,54 @@ const GitChangesTab: Component<GitChangesTabProps> = (props) => {
   const hasSession = createMemo(() => Boolean(sessionId() && sessionId() !== "info"))
   const entries = createMemo(() => (hasSession() ? props.entries() : null))
 
-  const sorted = createMemo<GitFileStatus[]>(() => {
+  const sorted = createMemo<GitChangeEntry[]>(() => {
     const list = entries()
     if (!Array.isArray(list)) return []
     return [...list].sort((a, b) => String(a.path || "").localeCompare(String(b.path || "")))
   })
 
+  const listItems = createMemo<GitChangeListItem[]>(() => buildGitChangeListItems(sorted()))
+
   const totals = createMemo(() => {
-    return sorted().reduce(
+    return listItems().reduce(
       (acc, item) => {
-        acc.additions += typeof item.added === "number" ? item.added : 0
-        acc.deletions += typeof item.removed === "number" ? item.removed : 0
+        acc.additions += typeof item.additions === "number" ? item.additions : 0
+        acc.deletions += typeof item.deletions === "number" ? item.deletions : 0
         return acc
       },
       { additions: 0, deletions: 0 },
     )
   })
+  const stagedItems = createMemo(() => listItems().filter((item) => item.section === "staged"))
+  const unstagedItems = createMemo(() => listItems().filter((item) => item.section === "unstaged"))
+  const canCommit = createMemo(() => stagedItems().length > 0 && props.commitMessage().trim().length > 0 && !props.commitSubmitting())
 
-  const nonDeleted = createMemo(() => sorted().filter((item) => item && item.status !== "deleted"))
-
-  const selectedEntry = createMemo<GitFileStatus | null>(() => {
-    const list = sorted()
-    const selectedPath = props.selectedPath()
-    const fallbackPath = props.mostChangedPath()
+  const selectedEntry = createMemo<GitChangeEntry | null>(() => {
+    const list = listItems()
+    const selectedId = props.selectedItemId()
+    const fallbackId = props.mostChangedItemId()
     const found =
-      list.find((item) => item.path === selectedPath) ||
-      (fallbackPath ? list.find((item) => item.path === fallbackPath) : undefined)
-    return found ?? null
+      list.find((item) => item.id === selectedId) ||
+      (fallbackId ? list.find((item) => item.id === fallbackId) : undefined)
+    return found?.entry ?? null
   })
 
   const emptyViewerMessage = createMemo(() => {
     if (!hasSession()) return props.t("instanceShell.gitChanges.noSessionSelected")
     const currentEntries = entries()
     if (currentEntries === null) return props.t("instanceShell.gitChanges.loading")
-    if (nonDeleted().length === 0) return props.t("instanceShell.gitChanges.empty")
+    if (listItems().length === 0) return props.t("instanceShell.gitChanges.empty")
     return props.t("instanceShell.filesShell.viewerEmpty")
   })
 
+  const binaryViewerActive = createMemo(() => props.selectedError() === props.t("instanceShell.gitChanges.binaryViewer"))
+
   const renderContent = (): JSX.Element => {
     const totalsValue = totals()
     const selected = selectedEntry()
-    const sortedList = sorted()
-    const nonDeletedList = nonDeleted()
+    const allItems = listItems()
+    const stagedList = stagedItems()
+    const unstagedList = unstagedItems()
 
     const renderViewer = () => (
       <div class="file-viewer-panel flex-1">
@@ -109,7 +138,7 @@ const GitChangesTab: Component<GitChangesTabProps> = (props) => {
                       selected &&
                       props.selectedBefore() !== null &&
                       props.selectedAfter() !== null &&
-                      selected.status !== "deleted"
+                      true
                         ? {
                             path: selected.path,
                             before: props.selectedBefore() as string,
@@ -139,6 +168,14 @@ const GitChangesTab: Component<GitChangesTabProps> = (props) => {
                           viewMode={props.diffViewMode()}
                           contextMode={props.diffContextMode()}
                           wordWrap={props.diffWordWrapMode()}
+                          insertContextLabel={props.t("instanceShell.gitChanges.actions.insertContext")}
+                          onRequestInsertContext={binaryViewerActive() ? undefined : (selection) => {
+                            const selectedId = props.selectedItemId()
+                            if (!selectedId) return
+                            const item = listItems().find((entry) => entry.id === selectedId)
+                            if (!item) return
+                            props.onInsertContext(item, selection)
+                          }}
                         />
                       </Suspense>
                     )}
@@ -163,66 +200,149 @@ const GitChangesTab: Component<GitChangesTabProps> = (props) => {
 
     const renderEmptyList = () => <div class="p-3 text-xs text-secondary">{emptyViewerMessage()}</div>
 
-    const renderListPanel = () => (
-      <Show when={nonDeletedList.length > 0} fallback={renderEmptyList()}>
-        <For each={sortedList}>
-          {(item) => (
-            <div
-              class={`file-list-item ${props.selectedPath() === item.path ? "file-list-item-active" : ""}`}
-              onClick={() => {
-                props.onOpenFile(item.path)
-              }}
-            >
-              <div class="file-list-item-content">
-                <div class="file-list-item-path" title={item.path}>
-                  <span class="file-path-text">{item.path}</span>
-                </div>
-                <div class="file-list-item-stats">
-                  <Show when={item.status === "deleted"}>
-                    <span class="text-[10px] text-secondary">{props.t("instanceShell.gitChanges.deleted")}</span>
-                  </Show>
-                  <Show when={item.status !== "deleted"}>
-                    <>
-                      <span class="file-list-item-additions">+{item.added}</span>
-                      <span class="file-list-item-deletions">-{item.removed}</span>
-                    </>
-                  </Show>
-                </div>
+    const renderListItem = (item: GitChangeListItem) => {
+      const isBulkSelected = createMemo(() => props.selectedBulkItemIds().has(item.id))
+      const actionLabel =
+        item.section === "staged"
+          ? props.t("instanceShell.gitChanges.actions.unstage")
+          : props.t("instanceShell.gitChanges.actions.stage")
+
+      const triggerAction = () => {
+        if (item.section === "staged") props.onUnstageFile(item)
+        else props.onStageFile(item)
+      }
+
+      return (
+        <div
+          class={`file-list-item git-change-list-item ${props.selectedItemId() === item.id ? "file-list-item-active" : ""} ${isBulkSelected() ? "git-change-list-item-bulk-selected" : ""}`}
+          onMouseDown={(event) => {
+            if (event.shiftKey || event.ctrlKey || event.metaKey) {
+              event.preventDefault()
+            }
+          }}
+          onClick={(event) => props.onRowClick(item, event)}
+          title={item.path}
+        >
+          <div class="file-list-item-content" title={item.path}>
+            <div class="file-list-item-path" title={item.path}>
+              <span class="file-path-text">{item.path}</span>
+            </div>
+            <div class="git-change-list-item-right">
+              <div class="file-list-item-stats">
+                <span class="file-list-item-additions">+{item.additions}</span>
+                <span class="file-list-item-deletions">-{item.deletions}</span>
               </div>
             </div>
-          )}
-        </For>
-      </Show>
+          </div>
+          <div class="git-change-list-item-actions-zone">
+            <div class="git-change-list-item-actions">
+              <button
+                type="button"
+                class="git-change-row-action"
+                title={actionLabel}
+                aria-label={actionLabel}
+                onClick={(event) => {
+                  event.stopPropagation()
+                  triggerAction()
+                }}
+              >
+                <span
+                  class={`git-change-row-action-glyph ${item.section === "staged" ? "git-change-row-action-glyph-minus" : "git-change-row-action-glyph-plus"}`}
+                  aria-hidden="true"
+                >
+                  <span class="git-change-row-action-bar git-change-row-action-bar-horizontal" />
+                  <Show when={item.section !== "staged"}>
+                    <span class="git-change-row-action-bar git-change-row-action-bar-vertical" />
+                  </Show>
+                </span>
+              </button>
+            </div>
+          </div>
+        </div>
+      )
+    }
+
+    const renderSection = (
+      title: string,
+      items: GitChangeListItem[],
+      isOpen: boolean,
+      onToggle: () => void,
+    ) => (
+      <div class="git-change-section">
+        <button type="button" class="git-change-section-header" onClick={onToggle}>
+          <span class="git-change-section-header-main">
+            <span class="git-change-section-chevron">
+              {isOpen ? <ChevronDown class="h-3.5 w-3.5" /> : <ChevronRight class="h-3.5 w-3.5" />}
+            </span>
+            <span class="git-change-section-title">{title}</span>
+          </span>
+          <span class="git-change-section-count">{items.length}</span>
+        </button>
+        <Show when={isOpen}>
+          <div class="git-change-section-items">
+            <For each={items}>{(item) => renderListItem(item)}</For>
+          </div>
+        </Show>
+      </div>
     )
 
-    const renderListOverlay = () => (
-      <Show when={nonDeletedList.length > 0} fallback={renderEmptyList()}>
-        <For each={sortedList}>
-          {(item) => (
-            <div
-              class={`file-list-item ${props.selectedPath() === item.path ? "file-list-item-active" : ""}`}
-              onClick={() => props.onOpenFile(item.path)}
-              title={item.path}
-            >
-              <div class="file-list-item-content">
-                <div class="file-list-item-path" title={item.path}>
-                  <span class="file-path-text">{item.path}</span>
-                </div>
-                <div class="file-list-item-stats">
-                  <Show when={item.status === "deleted"}>
-                    <span class="text-[10px] text-secondary">{props.t("instanceShell.gitChanges.deleted")}</span>
-                  </Show>
-                  <Show when={item.status !== "deleted"}>
-                    <>
-                      <span class="file-list-item-additions">+{item.added}</span>
-                      <span class="file-list-item-deletions">-{item.removed}</span>
-                    </>
+    const renderGroupedList = () => (
+      <Show when={allItems.length > 0} fallback={renderEmptyList()}>
+        <div class="git-change-sections">
+          <div class="git-change-section">
+            <button type="button" class="git-change-section-header" onClick={props.onToggleStagedOpen}>
+              <span class="git-change-section-header-main">
+                <span class="git-change-section-chevron">
+                  {props.stagedOpen() ? <ChevronDown class="h-3.5 w-3.5" /> : <ChevronRight class="h-3.5 w-3.5" />}
+                </span>
+                <span class="git-change-section-title-row">
+                  <span class="git-change-section-title">{props.t("instanceShell.gitChanges.sections.staged")}</span>
+                  <Show when={props.branchLabel()}>
+                    {(label) => (
+                      <span class="status-indicator session-status-list worktree-indicator git-change-section-badge" title={`Branch: ${label()}`}>
+                        <GitBranch class="w-3.5 h-3.5" aria-hidden="true" />
+                        <span class="worktree-indicator-label">{label()}</span>
+                      </span>
+                    )}
                   </Show>
+                </span>
+              </span>
+              <span class="git-change-section-count">{stagedList.length}</span>
+            </button>
+            <Show when={props.stagedOpen()}>
+              <div class="git-change-section-items">
+                <div class="git-change-commit-box">
+                  <div class="git-change-commit-input-wrap">
+                    <textarea
+                      class="git-change-commit-input"
+                      value={props.commitMessage()}
+                      rows={1}
+                      placeholder={props.t("instanceShell.gitChanges.commit.placeholder")}
+                      onInput={(event) => props.onCommitMessageInput(event.currentTarget.value)}
+                    />
+                    <button
+                      type="button"
+                      class="git-change-commit-button git-change-commit-button-overlay"
+                      disabled={!canCommit()}
+                      onClick={() => props.onSubmitCommit()}
+                    >
+                      {props.commitSubmitting()
+                        ? props.t("instanceShell.gitChanges.commit.submitting")
+                        : props.t("instanceShell.gitChanges.commit.submit")}
+                    </button>
+                  </div>
                 </div>
+                <For each={stagedList}>{(item) => renderListItem(item)}</For>
               </div>
-            </div>
+            </Show>
+          </div>
+          {renderSection(
+            props.t("instanceShell.gitChanges.sections.unstaged"),
+            unstagedList,
+            props.unstagedOpen(),
+            props.onToggleUnstagedOpen,
           )}
-        </For>
+        </div>
       </Show>
     )
 
@@ -266,7 +386,7 @@ const GitChangesTab: Component<GitChangesTabProps> = (props) => {
               />
             </>
           }
-        list={{ panel: renderListPanel, overlay: renderListOverlay }}
+        list={{ panel: renderGroupedList, overlay: renderGroupedList }}
         viewer={renderViewer()}
         listOpen={props.listOpen()}
         onToggleList={props.onToggleList}
diff --git a/packages/ui/src/components/instance/shell/right-panel/types.ts b/packages/ui/src/components/instance/shell/right-panel/types.ts
index 3273e5ec..a651383a 100644
--- a/packages/ui/src/components/instance/shell/right-panel/types.ts
+++ b/packages/ui/src/components/instance/shell/right-panel/types.ts
@@ -5,3 +5,40 @@ export type DiffViewMode = "split" | "unified"
 export type DiffContextMode = "expanded" | "collapsed"
 
 export type DiffWordWrapMode = "on" | "off"
+
+export type GitChangeStatus = "added" | "modified" | "deleted" | "renamed" | "copied" | "untracked" | string
+
+export interface GitChangeEntry {
+  path: string
+  originalPath?: string | null
+  additions: number
+  deletions: number
+  status: GitChangeStatus
+  stagedStatus?: GitChangeStatus | null
+  unstagedStatus?: GitChangeStatus | null
+  stagedAdditions?: number
+  stagedDeletions?: number
+  unstagedAdditions?: number
+  unstagedDeletions?: number
+}
+
+export type GitChangeSection = "staged" | "unstaged"
+
+export interface GitChangeListItem {
+  id: string
+  path: string
+   originalPath?: string | null
+  section: GitChangeSection
+  status: GitChangeStatus
+  additions: number
+  deletions: number
+  entry: GitChangeEntry
+  displayName: string
+  parentPath: string
+}
+
+export interface GitSelectionDescriptor {
+  itemId: string | null
+  path: string | null
+  section: GitChangeSection | null
+}
diff --git a/packages/ui/src/components/instance/shell/right-panel/useGitChanges.ts b/packages/ui/src/components/instance/shell/right-panel/useGitChanges.ts
new file mode 100644
index 00000000..87f37dca
--- /dev/null
+++ b/packages/ui/src/components/instance/shell/right-panel/useGitChanges.ts
@@ -0,0 +1,470 @@
+import { createEffect, createMemo, createSignal, onCleanup, type Accessor } from "solid-js"
+import type { File as GitFileStatus } from "@opencode-ai/sdk/v2/client"
+import type { PromptInputApi } from "../../../prompt-input/types"
+import type { GitChangeEntry, GitChangeListItem, GitSelectionDescriptor, RightPanelTab } from "./types"
+
+import { getOrCreateWorktreeClient } from "../../../../stores/worktrees"
+import { requestData } from "../../../../lib/opencode-api"
+import { serverApi } from "../../../../lib/api-client"
+import { serverEvents } from "../../../../lib/server-events"
+import { showToastNotification } from "../../../../lib/notifications"
+import { adaptSdkGitStatusEntries, buildGitChangeListItems } from "./git-changes-model"
+
+type UseGitChangesOptions = {
+  t: (key: string, vars?: Record<string, any>) => string
+  instanceId: string
+  rightPanelTab: Accessor<RightPanelTab>
+  worktreeSlug: Accessor<string>
+  isPhoneLayout: Accessor<boolean>
+  promptInputApi: Accessor<PromptInputApi | null>
+  closeGitList: () => void
+}
+
+export function useGitChanges(options: UseGitChangesOptions) {
+  const [gitStatusEntries, setGitStatusEntries] = createSignal<GitChangeEntry[] | null>(null)
+  const [gitStatusLoading, setGitStatusLoading] = createSignal(false)
+  const [gitStatusError, setGitStatusError] = createSignal<string | null>(null)
+  const [gitSelectedItemId, setGitSelectedItemId] = createSignal<string | null>(null)
+  const [gitBulkSelectedItemIds, setGitBulkSelectedItemIds] = createSignal<Set<string>>(new Set())
+  const [gitBulkSelectionAnchorId, setGitBulkSelectionAnchorId] = createSignal<string | null>(null)
+  const [gitSelectedLoading, setGitSelectedLoading] = createSignal(false)
+  const [gitSelectedError, setGitSelectedError] = createSignal<string | null>(null)
+  const [gitSelectedBefore, setGitSelectedBefore] = createSignal<string | null>(null)
+  const [gitSelectedAfter, setGitSelectedAfter] = createSignal<string | null>(null)
+  const [gitCommitMessage, setGitCommitMessage] = createSignal("")
+  const [gitCommitSubmitting, setGitCommitSubmitting] = createSignal(false)
+  let gitStatusRequestVersion = 0
+  let gitDiffRequestVersion = 0
+  let passiveGitRefreshInFlight = false
+  let pendingGitPassiveRefreshOptions: { forceReloadSelectedDiff?: boolean } | null = null
+  let previousGitChangesActivationKey: string | null = null
+
+  const gitListItems = createMemo(() => buildGitChangeListItems(gitStatusEntries()))
+
+  const clearGitBulkSelection = () => {
+    setGitBulkSelectedItemIds((current) => (current.size === 0 ? current : new Set<string>()))
+    setGitBulkSelectionAnchorId(null)
+  }
+
+  const toggleGitBulkSelection = (itemId: string) => {
+    setGitBulkSelectedItemIds((current) => {
+      const next = new Set(current)
+      if (next.has(itemId)) next.delete(itemId)
+      else next.add(itemId)
+      return next
+    })
+  }
+
+  const addGitBulkRange = (anchorId: string, itemId: string) => {
+    const items = gitListItems()
+    const anchorIndex = items.findIndex((entry) => entry.id === anchorId)
+    const itemIndex = items.findIndex((entry) => entry.id === itemId)
+    if (anchorIndex < 0 || itemIndex < 0) {
+      setGitBulkSelectedItemIds((current) => {
+        const next = new Set(current)
+        next.add(itemId)
+        return next
+      })
+      return
+    }
+
+    const start = Math.min(anchorIndex, itemIndex)
+    const end = Math.max(anchorIndex, itemIndex)
+    const rangeIds = items.slice(start, end + 1).map((entry) => entry.id)
+    setGitBulkSelectedItemIds((current) => {
+      const next = new Set(current)
+      for (const rangeId of rangeIds) {
+        next.add(rangeId)
+      }
+      return next
+    })
+  }
+
+  const describeGitSelection = (itemId: string | null): GitSelectionDescriptor => {
+    if (!itemId) {
+      return { itemId: null, path: null, section: null }
+    }
+    const match = gitListItems().find((item) => item.id === itemId) ?? null
+    return {
+      itemId,
+      path: match?.path ?? null,
+      section: match?.section ?? null,
+    }
+  }
+
+  const gitMostChangedItemId = createMemo<string | null>(() => {
+    const items = gitListItems()
+    if (items.length === 0) return null
+    const candidates = items.filter((item) => item.status !== "deleted")
+    if (candidates.length === 0) return null
+    const best = candidates.reduce((currentBest, item) => {
+      const bestScore = (currentBest?.additions ?? 0) + (currentBest?.deletions ?? 0)
+      const score = (item.additions ?? 0) + (item.deletions ?? 0)
+      if (score > bestScore) return item
+      if (score < bestScore) return currentBest
+      return String(item.id || "").localeCompare(String(currentBest?.id || "")) < 0 ? item : currentBest
+    }, candidates[0])
+    return typeof best?.id === "string" ? best.id : null
+  })
+
+  const resolveValidGitSelection = (selection: GitSelectionDescriptor): string | null => {
+    const items = gitListItems()
+    if (items.length === 0) return null
+    if (selection.itemId && items.some((item) => item.id === selection.itemId)) return selection.itemId
+    if (selection.path && selection.section) {
+      const oppositeSection = selection.section === "staged" ? "unstaged" : "staged"
+      const moved = items.find((item) => item.path === selection.path && item.section === oppositeSection)
+      if (moved) return moved.id
+      const samePath = items.find((item) => item.path === selection.path)
+      if (samePath) return samePath.id
+    }
+    return gitMostChangedItemId()
+  }
+
+  const describeGitSelectionFingerprint = (itemId: string | null) => {
+    if (!itemId) return null
+    const item = gitListItems().find((entry) => entry.id === itemId) ?? null
+    if (!item) return null
+    return `${item.path}::${item.originalPath ?? ""}::${item.section}::${item.status}::${item.additions}::${item.deletions}`
+  }
+
+  const clearSelectedGitDiff = () => {
+    setGitSelectedError(null)
+    setGitSelectedBefore(null)
+    setGitSelectedAfter(null)
+  }
+
+  const clearSelectedGitDiffAndSelection = () => {
+    setGitSelectedItemId(null)
+    clearGitBulkSelection()
+    setGitSelectedLoading(false)
+    clearSelectedGitDiff()
+  }
+
+  const pruneGitBulkSelection = () => {
+    const validIds = new Set(gitListItems().map((item) => item.id))
+    setGitBulkSelectedItemIds((current) => {
+      if (current.size === 0) return current
+      const next = new Set<string>()
+      for (const itemId of current) {
+        if (validIds.has(itemId)) next.add(itemId)
+      }
+      return next.size === current.size ? current : next
+    })
+
+    const anchorId = gitBulkSelectionAnchorId()
+    if (anchorId && !validIds.has(anchorId)) {
+      setGitBulkSelectionAnchorId(null)
+    }
+  }
+
+  createEffect(() => {
+    gitListItems()
+    pruneGitBulkSelection()
+  })
+
+  const loadGitStatus = async (force = false) => {
+    if (!force && gitStatusEntries() !== null) return
+    const slug = options.worktreeSlug()
+    const client = getOrCreateWorktreeClient(options.instanceId, slug)
+    const requestVersion = ++gitStatusRequestVersion
+    setGitStatusLoading(true)
+    setGitStatusError(null)
+    try {
+      const sdkStatusPromise = requestData<GitFileStatus[]>(client.file.status(), "file.status")
+      const detailList = await serverApi.fetchWorktreeGitStatus(options.instanceId, slug)
+      if (requestVersion !== gitStatusRequestVersion) return
+      if (slug !== options.worktreeSlug()) return
+
+      const sdkResult = await Promise.race([
+        sdkStatusPromise.then((value) => ({ kind: "fulfilled" as const, value })),
+        new Promise<{ kind: "timeout" }>((resolve) => setTimeout(() => resolve({ kind: "timeout" }), 1500)),
+      ]).catch(() => null)
+
+      const sdkList = sdkResult && sdkResult.kind === "fulfilled" ? sdkResult.value : null
+      setGitStatusEntries(adaptSdkGitStatusEntries(sdkList, detailList))
+    } catch (error) {
+      if (requestVersion !== gitStatusRequestVersion) return
+      if (slug !== options.worktreeSlug()) return
+      setGitStatusError(error instanceof Error ? error.message : "Failed to load git status")
+      setGitStatusEntries([])
+    } finally {
+      if (requestVersion !== gitStatusRequestVersion) return
+      if (slug !== options.worktreeSlug()) return
+      setGitStatusLoading(false)
+    }
+  }
+
+  async function openGitFile(itemId: string) {
+    const requestVersion = ++gitDiffRequestVersion
+    setGitSelectedItemId(itemId)
+    setGitSelectedLoading(true)
+    clearSelectedGitDiff()
+
+    const item = gitListItems().find((entry) => entry.id === itemId) || null
+    if (!item) {
+      if (requestVersion !== gitDiffRequestVersion) return
+      clearSelectedGitDiffAndSelection()
+      return
+    }
+
+    if (options.isPhoneLayout()) {
+      options.closeGitList()
+    }
+
+    try {
+      const diff = await serverApi.fetchWorktreeGitDiff(options.instanceId, options.worktreeSlug(), {
+        path: item.path,
+        originalPath: item.originalPath ?? null,
+        scope: item.section,
+      })
+      if (requestVersion !== gitDiffRequestVersion || gitSelectedItemId() !== itemId) return
+      if (diff.isBinary) {
+        setGitSelectedError(options.t("instanceShell.gitChanges.binaryViewer"))
+        return
+      }
+      setGitSelectedBefore(diff.before)
+      setGitSelectedAfter(diff.after)
+    } catch (error) {
+      if (requestVersion !== gitDiffRequestVersion || gitSelectedItemId() !== itemId) return
+      setGitSelectedError(error instanceof Error ? error.message : "Failed to load file changes")
+    } finally {
+      if (requestVersion !== gitDiffRequestVersion || gitSelectedItemId() !== itemId) return
+      setGitSelectedLoading(false)
+    }
+  }
+
+  const passiveRefreshGitStatus = async (optionsArg?: { forceReloadSelectedDiff?: boolean }) => {
+    if (options.rightPanelTab() !== "git-changes") return
+    if (passiveGitRefreshInFlight) {
+      pendingGitPassiveRefreshOptions = {
+        forceReloadSelectedDiff:
+          pendingGitPassiveRefreshOptions?.forceReloadSelectedDiff || optionsArg?.forceReloadSelectedDiff || false,
+      }
+      return
+    }
+    if (gitCommitSubmitting()) return
+
+    passiveGitRefreshInFlight = true
+    const refreshSelectionId = gitSelectedItemId()
+    const previousSelection = describeGitSelection(gitSelectedItemId())
+    const previousFingerprint = describeGitSelectionFingerprint(previousSelection.itemId)
+    const hadSelectedDiff =
+      previousSelection.itemId !== null &&
+      (gitSelectedBefore() !== null || gitSelectedAfter() !== null || gitSelectedError() !== null)
+
+    try {
+      await loadGitStatus(true)
+      if (gitSelectedItemId() !== refreshSelectionId) return
+      const nextSelection = resolveValidGitSelection(previousSelection)
+      setGitSelectedItemId(nextSelection)
+
+      if (!nextSelection) {
+        clearSelectedGitDiff()
+        return
+      }
+
+      const nextFingerprint = describeGitSelectionFingerprint(nextSelection)
+      const shouldReloadSelectedDiff =
+        optionsArg?.forceReloadSelectedDiff ||
+        !hadSelectedDiff ||
+        previousFingerprint !== nextFingerprint ||
+        previousSelection.itemId === nextSelection
+
+      if (shouldReloadSelectedDiff) {
+        await openGitFile(nextSelection)
+      }
+    } finally {
+      passiveGitRefreshInFlight = false
+      if (pendingGitPassiveRefreshOptions) {
+        const nextOptions = pendingGitPassiveRefreshOptions
+        pendingGitPassiveRefreshOptions = null
+        void passiveRefreshGitStatus(nextOptions)
+      }
+    }
+  }
+
+  const mutateGitFile = async (item: GitChangeListItem, action: "stage" | "unstage") => {
+    const currentSelection = describeGitSelection(gitSelectedItemId())
+    const fallbackSelection = currentSelection.path === item.path ? currentSelection : describeGitSelection(item.id)
+    const selectedIds = gitBulkSelectedItemIds()
+    const selectedItems = gitListItems().filter((candidate) => selectedIds.has(candidate.id))
+    const bulkTargets = selectedItems.filter((candidate) => candidate.section === item.section)
+    const targetItems = bulkTargets.some((candidate) => candidate.id === item.id) ? bulkTargets : [item]
+    const targetPaths = Array.from(new Set(targetItems.map((candidate) => candidate.path)))
+    try {
+      if (action === "stage") {
+        await serverApi.stageWorktreeGitPaths(options.instanceId, options.worktreeSlug(), { paths: targetPaths })
+      } else {
+        await serverApi.unstageWorktreeGitPaths(options.instanceId, options.worktreeSlug(), { paths: targetPaths })
+      }
+
+      await loadGitStatus(true)
+      clearGitBulkSelection()
+      const nextSelection = resolveValidGitSelection(fallbackSelection)
+      setGitSelectedItemId(nextSelection)
+      if (nextSelection) {
+        await openGitFile(nextSelection)
+      } else {
+        clearSelectedGitDiff()
+      }
+    } catch (error) {
+      showToastNotification({
+        message: error instanceof Error ? error.message : `Failed to ${action} file`,
+        variant: "error",
+      })
+    }
+  }
+
+  const handleGitRowClick = (item: GitChangeListItem, event: MouseEvent) => {
+    if (event.shiftKey) {
+      event.preventDefault()
+      const anchorId = gitBulkSelectionAnchorId() ?? item.id
+      addGitBulkRange(anchorId, item.id)
+      return
+    }
+
+    if (event.ctrlKey || event.metaKey) {
+      event.preventDefault()
+      toggleGitBulkSelection(item.id)
+      setGitBulkSelectionAnchorId(item.id)
+      return
+    }
+
+    clearGitBulkSelection()
+    setGitBulkSelectionAnchorId(item.id)
+    void openGitFile(item.id)
+  }
+
+  const submitGitCommit = async () => {
+    const message = gitCommitMessage().trim()
+    if (!message || gitCommitSubmitting()) return
+
+    setGitCommitSubmitting(true)
+    try {
+      await serverApi.commitWorktreeGitChanges(options.instanceId, options.worktreeSlug(), { message })
+      setGitCommitMessage("")
+      await loadGitStatus(true)
+      const nextSelection = resolveValidGitSelection(describeGitSelection(gitSelectedItemId()))
+      setGitSelectedItemId(nextSelection)
+      if (nextSelection) {
+        await openGitFile(nextSelection)
+      } else {
+        clearSelectedGitDiff()
+      }
+      showToastNotification({
+        message: options.t("instanceShell.gitChanges.commit.success"),
+        variant: "success",
+      })
+    } catch (error) {
+      showToastNotification({
+        message: error instanceof Error ? error.message : options.t("instanceShell.gitChanges.commit.error"),
+        variant: "error",
+      })
+    } finally {
+      setGitCommitSubmitting(false)
+    }
+  }
+
+  const refreshGitStatus = async () => {
+    await loadGitStatus(true)
+    const selected = resolveValidGitSelection(describeGitSelection(gitSelectedItemId()))
+    setGitSelectedItemId(selected)
+    if (selected) {
+      void openGitFile(selected)
+    } else {
+      clearSelectedGitDiff()
+    }
+  }
+
+  const insertGitChangeContext = (item: GitChangeListItem, selection: { startLine: number; endLine: number } | null) => {
+    const startLine = selection?.startLine ?? 1
+    const endLine = selection?.endLine ?? startLine
+    options.promptInputApi()?.insertComment(`Git Diff: File: ${item.path} : ${startLine}-${endLine}`)
+  }
+
+  createEffect(() => {
+    options.worktreeSlug()
+    gitStatusRequestVersion += 1
+    gitDiffRequestVersion += 1
+    passiveGitRefreshInFlight = false
+    pendingGitPassiveRefreshOptions = null
+    setGitStatusEntries(null)
+    setGitStatusError(null)
+    setGitStatusLoading(false)
+    setGitSelectedItemId(null)
+    clearGitBulkSelection()
+    setGitSelectedLoading(false)
+    clearSelectedGitDiff()
+    setGitCommitMessage("")
+    setGitCommitSubmitting(false)
+  })
+
+  createEffect(() => {
+    if (options.rightPanelTab() !== "git-changes") return
+    const items = gitListItems()
+    if (gitStatusEntries() === null) return
+    if (items.length === 0) return
+    if (gitSelectedItemId()) return
+    const next = gitMostChangedItemId()
+    if (!next) return
+    void openGitFile(next)
+  })
+
+  createEffect(() => {
+    const activationKey = options.rightPanelTab() === "git-changes" ? `${options.instanceId}:${options.worktreeSlug()}` : null
+    if (!activationKey) {
+      previousGitChangesActivationKey = null
+      return
+    }
+    if (previousGitChangesActivationKey === activationKey) return
+    previousGitChangesActivationKey = activationKey
+    void passiveRefreshGitStatus()
+  })
+
+  createEffect(() => {
+    if (options.rightPanelTab() !== "git-changes") return
+
+    const unsubscribe = serverEvents.on("instance.event", (event) => {
+      if (event.type !== "instance.event") return
+      if (event.instanceId !== options.instanceId) return
+      const eventType = (event.event as { type?: unknown } | undefined)?.type
+      if (eventType !== "session.updated" && eventType !== "session.diff") return
+      void passiveRefreshGitStatus({ forceReloadSelectedDiff: true })
+    })
+
+    onCleanup(() => {
+      unsubscribe()
+    })
+  })
+
+  createEffect(() => {
+    if (options.rightPanelTab() === "git-changes") return
+    setGitSelectedBefore(null)
+    setGitSelectedAfter(null)
+    setGitSelectedLoading(false)
+    setGitSelectedError(null)
+  })
+
+  return {
+    gitStatusEntries,
+    gitStatusLoading,
+    gitStatusError,
+    gitSelectedItemId,
+    gitBulkSelectedItemIds,
+    gitSelectedLoading,
+    gitSelectedError,
+    gitSelectedBefore,
+    gitSelectedAfter,
+    gitCommitMessage,
+    gitCommitSubmitting,
+    gitMostChangedItemId,
+    setGitCommitMessage,
+    handleGitRowClick,
+    refreshGitStatus,
+    insertGitChangeContext,
+    submitGitCommit,
+    stageGitFile: (item: GitChangeListItem) => void mutateGitFile(item, "stage"),
+    unstageGitFile: (item: GitChangeListItem) => void mutateGitFile(item, "unstage"),
+  }
+}
diff --git a/packages/ui/src/components/instance/shell/storage.ts b/packages/ui/src/components/instance/shell/storage.ts
index b17b6743..6600038f 100644
--- a/packages/ui/src/components/instance/shell/storage.ts
+++ b/packages/ui/src/components/instance/shell/storage.ts
@@ -21,6 +21,10 @@ export const RIGHT_PANEL_FILES_LIST_OPEN_NONPHONE_KEY = "opencode-session-right-
 export const RIGHT_PANEL_FILES_LIST_OPEN_PHONE_KEY = "opencode-session-right-panel-files-list-open-phone-v1"
 export const RIGHT_PANEL_GIT_CHANGES_LIST_OPEN_NONPHONE_KEY = "opencode-session-right-panel-git-changes-list-open-nonphone-v1"
 export const RIGHT_PANEL_GIT_CHANGES_LIST_OPEN_PHONE_KEY = "opencode-session-right-panel-git-changes-list-open-phone-v1"
+export const RIGHT_PANEL_GIT_CHANGES_STAGED_OPEN_NONPHONE_KEY = "opencode-session-right-panel-git-changes-staged-open-nonphone-v1"
+export const RIGHT_PANEL_GIT_CHANGES_STAGED_OPEN_PHONE_KEY = "opencode-session-right-panel-git-changes-staged-open-phone-v1"
+export const RIGHT_PANEL_GIT_CHANGES_UNSTAGED_OPEN_NONPHONE_KEY = "opencode-session-right-panel-git-changes-unstaged-open-nonphone-v1"
+export const RIGHT_PANEL_GIT_CHANGES_UNSTAGED_OPEN_PHONE_KEY = "opencode-session-right-panel-git-changes-unstaged-open-phone-v1"
 export const RIGHT_PANEL_CHANGES_DIFF_VIEW_MODE_KEY = "opencode-session-right-panel-changes-diff-view-mode-v1"
 export const RIGHT_PANEL_CHANGES_DIFF_CONTEXT_MODE_KEY = "opencode-session-right-panel-changes-diff-context-mode-v1"
 export const RIGHT_PANEL_CHANGES_DIFF_WORD_WRAP_KEY = "opencode-session-right-panel-changes-diff-word-wrap-v1"
diff --git a/packages/ui/src/components/prompt-input.tsx b/packages/ui/src/components/prompt-input.tsx
index 22601f02..669bfc67 100644
--- a/packages/ui/src/components/prompt-input.tsx
+++ b/packages/ui/src/components/prompt-input.tsx
@@ -120,6 +120,11 @@ export default function PromptInput(props: PromptInputProps) {
           insertQuotedSelection(text)
         }
       },
+      insertComment: (text: string) => {
+        const normalized = (text ?? "").replace(/\r/g, "").trim()
+        if (!normalized) return
+        insertBlockContent(`${normalized}\n\n`)
+      },
       expandTextAttachment: (attachmentId: string) => {
         const attachment = attachments().find((a) => a.id === attachmentId)
         if (!attachment) return
diff --git a/packages/ui/src/components/prompt-input/types.ts b/packages/ui/src/components/prompt-input/types.ts
index e1452ec3..4f2bcffd 100644
--- a/packages/ui/src/components/prompt-input/types.ts
+++ b/packages/ui/src/components/prompt-input/types.ts
@@ -7,6 +7,7 @@ export type PromptInsertMode = "quote" | "code"
 
 export interface PromptInputApi {
   insertSelection(text: string, mode: PromptInsertMode): void
+  insertComment(text: string): void
   expandTextAttachment(attachmentId: string): void
   removeAttachment(attachmentId: string): void
   setPromptText(text: string, opts?: { focus?: boolean }): void
diff --git a/packages/ui/src/components/session/session-view.tsx b/packages/ui/src/components/session/session-view.tsx
index bcc2b9cc..efa2f5ff 100644
--- a/packages/ui/src/components/session/session-view.tsx
+++ b/packages/ui/src/components/session/session-view.tsx
@@ -36,6 +36,7 @@ interface SessionViewProps {
   onSidebarToggle?: () => void
   forceCompactStatusLayout?: boolean
   isActive?: boolean
+  registerSessionPromptApi?: (sessionId: string, api: PromptInputApi | null) => void
 }
 
 export const SessionView: Component<SessionViewProps> = (props) => {
@@ -149,6 +150,7 @@ export const SessionView: Component<SessionViewProps> = (props) => {
 
   function registerPromptInputApi(api: PromptInputApi) {
     promptInputApi = api
+    props.registerSessionPromptApi?.(props.sessionId, api)
 
     if (pendingPromptText) {
       api.setPromptText(pendingPromptText, { focus: true })
@@ -163,6 +165,7 @@ export const SessionView: Component<SessionViewProps> = (props) => {
     return () => {
       if (promptInputApi === api) {
         promptInputApi = null
+        props.registerSessionPromptApi?.(props.sessionId, null)
       }
     }
   }
diff --git a/packages/ui/src/lib/api-client.ts b/packages/ui/src/lib/api-client.ts
index 20d0f74a..96dad79e 100644
--- a/packages/ui/src/lib/api-client.ts
+++ b/packages/ui/src/lib/api-client.ts
@@ -15,6 +15,11 @@ import type {
   RemoteServerProbeRequest,
   RemoteServerProbeResponse,
   VoiceModeStateResponse,
+  WorktreeGitCommitRequest,
+  WorktreeGitCommitResponse,
+  WorktreeGitDiffRequest,
+  WorktreeGitMutationResponse,
+  WorktreeGitPathsRequest,
   WorkspaceCreateRequest,
   WorkspaceDescriptor,
   WorkspaceFileResponse,
@@ -26,6 +31,8 @@ import type {
   WorktreeListResponse,
   WorktreeMap,
   WorktreeCreateRequest,
+  WorktreeGitDiffResponse,
+  WorktreeGitStatusResponse,
 } from "../../../server/src/api-types"
 import { getClientIdentity } from "./client-identity"
 import { getLogger } from "./logger"
@@ -98,6 +105,25 @@ function logHttp(message: string, context?: Record<string, unknown>) {
   httpLogger.info(message)
 }
 
+async function readErrorMessage(response: Response): Promise<string> {
+  const text = await response.text()
+  if (!text) return `Request failed with ${response.status}`
+
+  try {
+    const parsed = JSON.parse(text) as { error?: unknown; message?: unknown }
+    if (typeof parsed?.error === "string" && parsed.error.trim()) {
+      return parsed.error
+    }
+    if (typeof parsed?.message === "string" && parsed.message.trim()) {
+      return parsed.message
+    }
+  } catch {
+    // Keep the original body for plain-text responses.
+  }
+
+  return text
+}
+
 async function request<T>(path: string, init?: RequestInit): Promise<T> {
   const url = API_BASE ? new URL(path, API_BASE).toString() : path
   const headers = normalizeHeaders(init?.headers)
@@ -112,7 +138,7 @@ async function request<T>(path: string, init?: RequestInit): Promise<T> {
   try {
     const response = await fetch(url, { ...init, headers, credentials: init?.credentials ?? "include" })
     if (!response.ok) {
-      const message = await response.text()
+      const message = await readErrorMessage(response)
       logHttp(`${method} ${path} -> ${response.status}`, { durationMs: Date.now() - startedAt, error: message })
       throw new Error(message || `Request failed with ${response.status}`)
     }
@@ -141,7 +167,7 @@ async function requestRaw(path: string, init?: RequestInit): Promise<Response> {
 
   const response = await fetch(url, { ...init, headers, credentials: init?.credentials ?? "include" })
   if (!response.ok) {
-    const message = await response.text()
+    const message = await readErrorMessage(response)
     logHttp(`${method} ${path} -> ${response.status}`, { durationMs: Date.now() - startedAt, error: message })
     throw new Error(message || `Request failed with ${response.status}`)
   }
@@ -282,6 +308,47 @@ export const serverApi = {
       },
     )
   },
+  fetchWorktreeGitStatus(id: string, slug: string): Promise<WorktreeGitStatusResponse> {
+    return request<WorktreeGitStatusResponse>(
+      `/api/workspaces/${encodeURIComponent(id)}/worktrees/${encodeURIComponent(slug)}/git-status`,
+    )
+  },
+  fetchWorktreeGitDiff(id: string, slug: string, requestPayload: WorktreeGitDiffRequest): Promise<WorktreeGitDiffResponse> {
+    const params = new URLSearchParams({ path: requestPayload.path, scope: requestPayload.scope })
+    if (requestPayload.originalPath) {
+      params.set("originalPath", requestPayload.originalPath)
+    }
+    return request<WorktreeGitDiffResponse>(
+      `/api/workspaces/${encodeURIComponent(id)}/worktrees/${encodeURIComponent(slug)}/git-diff?${params.toString()}`,
+    )
+  },
+  stageWorktreeGitPaths(id: string, slug: string, payload: WorktreeGitPathsRequest): Promise<WorktreeGitMutationResponse> {
+    return request<WorktreeGitMutationResponse>(
+      `/api/workspaces/${encodeURIComponent(id)}/worktrees/${encodeURIComponent(slug)}/git-stage`,
+      {
+        method: "POST",
+        body: JSON.stringify(payload),
+      },
+    )
+  },
+  unstageWorktreeGitPaths(id: string, slug: string, payload: WorktreeGitPathsRequest): Promise<WorktreeGitMutationResponse> {
+    return request<WorktreeGitMutationResponse>(
+      `/api/workspaces/${encodeURIComponent(id)}/worktrees/${encodeURIComponent(slug)}/git-unstage`,
+      {
+        method: "POST",
+        body: JSON.stringify(payload),
+      },
+    )
+  },
+  commitWorktreeGitChanges(id: string, slug: string, payload: WorktreeGitCommitRequest): Promise<WorktreeGitCommitResponse> {
+    return request<WorktreeGitCommitResponse>(
+      `/api/workspaces/${encodeURIComponent(id)}/worktrees/${encodeURIComponent(slug)}/git-commit`,
+      {
+        method: "POST",
+        body: JSON.stringify(payload),
+      },
+    )
+  },
 
   fetchConfigOwner<T extends Record<string, any> = Record<string, any>>(owner: string): Promise<T> {
     return request<T>(`/api/storage/config/${encodeURIComponent(owner)}`)
diff --git a/packages/ui/src/lib/i18n/messages/en/instance.ts b/packages/ui/src/lib/i18n/messages/en/instance.ts
index d56f481c..10264a42 100644
--- a/packages/ui/src/lib/i18n/messages/en/instance.ts
+++ b/packages/ui/src/lib/i18n/messages/en/instance.ts
@@ -131,6 +131,17 @@ export const instanceMessages = {
   "instanceShell.gitChanges.loading": "Loading git changes...",
   "instanceShell.gitChanges.empty": "No git changes yet.",
   "instanceShell.gitChanges.deleted": "Deleted",
+  "instanceShell.gitChanges.binaryViewer": "Binary file cannot be displayed",
+  "instanceShell.gitChanges.sections.staged": "Staged Changes",
+  "instanceShell.gitChanges.sections.unstaged": "Changes",
+  "instanceShell.gitChanges.actions.insertContext": "Add to prompt",
+  "instanceShell.gitChanges.actions.stage": "Stage file",
+  "instanceShell.gitChanges.actions.unstage": "Unstage file",
+  "instanceShell.gitChanges.commit.placeholder": "Enter commit message",
+  "instanceShell.gitChanges.commit.submit": "Commit",
+  "instanceShell.gitChanges.commit.submitting": "Committing...",
+  "instanceShell.gitChanges.commit.success": "Commit created successfully",
+  "instanceShell.gitChanges.commit.error": "Failed to create commit",
 
   "instanceShell.filesShell.fileListTitle": "File list",
   "instanceShell.filesShell.mobileSelectorLabel": "Select file",
diff --git a/packages/ui/src/lib/i18n/messages/es/instance.ts b/packages/ui/src/lib/i18n/messages/es/instance.ts
index e0293f1f..2b08ba2e 100644
--- a/packages/ui/src/lib/i18n/messages/es/instance.ts
+++ b/packages/ui/src/lib/i18n/messages/es/instance.ts
@@ -130,6 +130,17 @@ export const instanceMessages = {
   "instanceShell.gitChanges.loading": "Cargando cambios de Git...",
   "instanceShell.gitChanges.empty": "Aún no hay cambios de Git.",
   "instanceShell.gitChanges.deleted": "Eliminado",
+  "instanceShell.gitChanges.binaryViewer": "No se puede mostrar un archivo binario",
+  "instanceShell.gitChanges.sections.staged": "Cambios preparados",
+  "instanceShell.gitChanges.sections.unstaged": "Cambios",
+  "instanceShell.gitChanges.actions.insertContext": "Agregar al prompt",
+  "instanceShell.gitChanges.actions.stage": "Preparar archivo",
+  "instanceShell.gitChanges.actions.unstage": "Quitar del área preparada",
+  "instanceShell.gitChanges.commit.placeholder": "Escribe el mensaje del commit",
+  "instanceShell.gitChanges.commit.submit": "Commit",
+  "instanceShell.gitChanges.commit.submitting": "Confirmando...",
+  "instanceShell.gitChanges.commit.success": "Commit creado correctamente",
+  "instanceShell.gitChanges.commit.error": "No se pudo crear el commit",
 
   "instanceShell.filesShell.fileListTitle": "Lista de archivos",
   "instanceShell.filesShell.mobileSelectorLabel": "Seleccionar archivo",
diff --git a/packages/ui/src/lib/i18n/messages/fr/instance.ts b/packages/ui/src/lib/i18n/messages/fr/instance.ts
index 26c56844..386958ce 100644
--- a/packages/ui/src/lib/i18n/messages/fr/instance.ts
+++ b/packages/ui/src/lib/i18n/messages/fr/instance.ts
@@ -130,6 +130,17 @@ export const instanceMessages = {
   "instanceShell.gitChanges.loading": "Chargement des changements Git...",
   "instanceShell.gitChanges.empty": "Aucun changement Git pour l'instant.",
   "instanceShell.gitChanges.deleted": "Supprimé",
+  "instanceShell.gitChanges.binaryViewer": "Impossible d'afficher un fichier binaire",
+  "instanceShell.gitChanges.sections.staged": "Changements indexés",
+  "instanceShell.gitChanges.sections.unstaged": "Changements",
+  "instanceShell.gitChanges.actions.insertContext": "Ajouter au prompt",
+  "instanceShell.gitChanges.actions.stage": "Indexer le fichier",
+  "instanceShell.gitChanges.actions.unstage": "Retirer de l'index",
+  "instanceShell.gitChanges.commit.placeholder": "Saisissez le message du commit",
+  "instanceShell.gitChanges.commit.submit": "Valider",
+  "instanceShell.gitChanges.commit.submitting": "Validation...",
+  "instanceShell.gitChanges.commit.success": "Commit créé avec succès",
+  "instanceShell.gitChanges.commit.error": "Impossible de créer le commit",
 
   "instanceShell.filesShell.fileListTitle": "Liste des fichiers",
   "instanceShell.filesShell.mobileSelectorLabel": "Sélectionner un fichier",
diff --git a/packages/ui/src/lib/i18n/messages/he/instance.ts b/packages/ui/src/lib/i18n/messages/he/instance.ts
index 1db1b29c..850531f2 100644
--- a/packages/ui/src/lib/i18n/messages/he/instance.ts
+++ b/packages/ui/src/lib/i18n/messages/he/instance.ts
@@ -138,6 +138,17 @@ export const instanceMessages = {
   "instanceShell.gitChanges.noSessionSelected": "בחר סשן לצפייה בשינויי Git.",
   "instanceShell.gitChanges.loading": "טוען שינויי Git…",
   "instanceShell.gitChanges.empty": "אין שינויי Git עדיין.",
+  "instanceShell.gitChanges.binaryViewer": "לא ניתן להציג קובץ בינארי",
+  "instanceShell.gitChanges.sections.staged": "שינויים שנשמרו ל-staging",
+  "instanceShell.gitChanges.sections.unstaged": "שינויים",
+  "instanceShell.gitChanges.actions.insertContext": "הוסף לפרומפט",
+  "instanceShell.gitChanges.actions.stage": "העבר ל-staging",
+  "instanceShell.gitChanges.actions.unstage": "הוצא מ-staging",
+  "instanceShell.gitChanges.commit.placeholder": "הזן הודעת commit",
+  "instanceShell.gitChanges.commit.submit": "Commit",
+  "instanceShell.gitChanges.commit.submitting": "מבצע commit...",
+  "instanceShell.gitChanges.commit.success": "ה-commit נוצר בהצלחה",
+  "instanceShell.gitChanges.commit.error": "יצירת ה-commit נכשלה",
   "instanceShell.diff.hideUnchanged": "הסתר אזורים ללא שינוי",
   "instanceShell.diff.showFull": "הצג קובץ מלא",
   "instanceShell.diff.switchToSplit": "עבור לתצוגה מפוצלת",
diff --git a/packages/ui/src/lib/i18n/messages/ja/instance.ts b/packages/ui/src/lib/i18n/messages/ja/instance.ts
index 546a22ef..d18e71d3 100644
--- a/packages/ui/src/lib/i18n/messages/ja/instance.ts
+++ b/packages/ui/src/lib/i18n/messages/ja/instance.ts
@@ -130,6 +130,17 @@ export const instanceMessages = {
   "instanceShell.gitChanges.loading": "Git の変更を読み込み中...",
   "instanceShell.gitChanges.empty": "Git の変更はまだありません。",
   "instanceShell.gitChanges.deleted": "削除済み",
+  "instanceShell.gitChanges.binaryViewer": "バイナリファイルは表示できません",
+  "instanceShell.gitChanges.sections.staged": "ステージ済みの変更",
+  "instanceShell.gitChanges.sections.unstaged": "変更",
+  "instanceShell.gitChanges.actions.insertContext": "プロンプトに追加",
+  "instanceShell.gitChanges.actions.stage": "ファイルをステージ",
+  "instanceShell.gitChanges.actions.unstage": "ステージ解除",
+  "instanceShell.gitChanges.commit.placeholder": "コミットメッセージを入力",
+  "instanceShell.gitChanges.commit.submit": "コミット",
+  "instanceShell.gitChanges.commit.submitting": "コミット中...",
+  "instanceShell.gitChanges.commit.success": "コミットを作成しました",
+  "instanceShell.gitChanges.commit.error": "コミットを作成できませんでした",
 
   "instanceShell.filesShell.fileListTitle": "ファイル一覧",
   "instanceShell.filesShell.mobileSelectorLabel": "ファイルを選択",
diff --git a/packages/ui/src/lib/i18n/messages/ru/instance.ts b/packages/ui/src/lib/i18n/messages/ru/instance.ts
index 8a4b6a89..0988831c 100644
--- a/packages/ui/src/lib/i18n/messages/ru/instance.ts
+++ b/packages/ui/src/lib/i18n/messages/ru/instance.ts
@@ -130,6 +130,17 @@ export const instanceMessages = {
   "instanceShell.gitChanges.loading": "Загрузка изменений Git...",
   "instanceShell.gitChanges.empty": "Изменений Git пока нет.",
   "instanceShell.gitChanges.deleted": "Удалено",
+  "instanceShell.gitChanges.binaryViewer": "Невозможно показать бинарный файл",
+  "instanceShell.gitChanges.sections.staged": "Подготовленные изменения",
+  "instanceShell.gitChanges.sections.unstaged": "Изменения",
+  "instanceShell.gitChanges.actions.insertContext": "Добавить в промпт",
+  "instanceShell.gitChanges.actions.stage": "Подготовить файл",
+  "instanceShell.gitChanges.actions.unstage": "Убрать из staging",
+  "instanceShell.gitChanges.commit.placeholder": "Введите сообщение коммита",
+  "instanceShell.gitChanges.commit.submit": "Commit",
+  "instanceShell.gitChanges.commit.submitting": "Создание commit...",
+  "instanceShell.gitChanges.commit.success": "Commit успешно создан",
+  "instanceShell.gitChanges.commit.error": "Не удалось создать commit",
 
   "instanceShell.filesShell.fileListTitle": "Список файлов",
   "instanceShell.filesShell.mobileSelectorLabel": "Выбрать файл",
diff --git a/packages/ui/src/lib/i18n/messages/zh-Hans/instance.ts b/packages/ui/src/lib/i18n/messages/zh-Hans/instance.ts
index 10675d0a..c45cafc3 100644
--- a/packages/ui/src/lib/i18n/messages/zh-Hans/instance.ts
+++ b/packages/ui/src/lib/i18n/messages/zh-Hans/instance.ts
@@ -130,6 +130,17 @@ export const instanceMessages = {
   "instanceShell.gitChanges.loading": "正在加载 Git 更改...",
   "instanceShell.gitChanges.empty": "暂无 Git 更改。",
   "instanceShell.gitChanges.deleted": "已删除",
+  "instanceShell.gitChanges.binaryViewer": "无法显示二进制文件",
+  "instanceShell.gitChanges.sections.staged": "已暂存的更改",
+  "instanceShell.gitChanges.sections.unstaged": "更改",
+  "instanceShell.gitChanges.actions.insertContext": "添加到提示词",
+  "instanceShell.gitChanges.actions.stage": "暂存文件",
+  "instanceShell.gitChanges.actions.unstage": "取消暂存",
+  "instanceShell.gitChanges.commit.placeholder": "输入提交信息",
+  "instanceShell.gitChanges.commit.submit": "提交",
+  "instanceShell.gitChanges.commit.submitting": "正在提交...",
+  "instanceShell.gitChanges.commit.success": "提交已成功创建",
+  "instanceShell.gitChanges.commit.error": "无法创建提交",
 
   "instanceShell.filesShell.fileListTitle": "文件列表",
   "instanceShell.filesShell.mobileSelectorLabel": "选择文件",
diff --git a/packages/ui/src/styles/panels/right-panel.css b/packages/ui/src/styles/panels/right-panel.css
index 8af0cac3..3f78fcc6 100644
--- a/packages/ui/src/styles/panels/right-panel.css
+++ b/packages/ui/src/styles/panels/right-panel.css
@@ -220,7 +220,7 @@
 }
 
 .file-list-item {
-  @apply px-3 py-2.5 border-b cursor-pointer transition-all duration-150;
+  @apply px-2 py-1 border-b cursor-pointer transition-all duration-150;
   border-color: var(--border-base);
   background-color: transparent;
 }
@@ -234,14 +234,280 @@
 }
 
 .file-list-item-active {
-  background-color: var(--surface-base);
+  background-color: color-mix(in srgb, var(--surface-base) 88%, white);
   box-shadow: inset 0 0 0 1px var(--accent-primary);
 }
 
+.git-change-list-item-bulk-selected {
+  background-color: color-mix(in srgb, var(--accent-primary) 12%, var(--surface-base));
+  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent-primary) 45%, transparent);
+}
+
+.git-change-list-item-bulk-selected:hover {
+  background-color: color-mix(in srgb, var(--accent-primary) 12%, var(--surface-base));
+}
+
+.git-change-list-item-bulk-selected.file-list-item-active {
+  background-color: color-mix(in srgb, var(--accent-primary) 18%, var(--surface-base));
+  box-shadow:
+    inset 0 0 0 1px var(--accent-primary),
+    inset 0 0 0 2px color-mix(in srgb, var(--accent-primary) 20%, transparent);
+}
+
 .file-list-item-content {
   @apply flex items-center justify-between gap-3;
 }
 
+.git-change-list-item .file-list-item-content {
+  gap: 0.5rem;
+}
+
+.git-change-sections {
+  @apply flex flex-col;
+}
+
+.git-change-commit-box {
+  @apply flex flex-col gap-2 px-2 py-2 border-b;
+  border-color: var(--border-base);
+  background-color: var(--surface-secondary);
+}
+
+.git-change-commit-input-wrap {
+  position: relative;
+}
+
+.git-change-commit-input {
+  @apply w-full min-h-[32px] px-2 py-1.5 pr-20 text-xs rounded border border-base resize-y;
+  background-color: var(--surface-base);
+  color: var(--text-primary);
+}
+
+.git-change-commit-input::placeholder {
+  color: var(--text-muted);
+}
+
+.git-change-commit-button {
+  @apply inline-flex items-center justify-center self-start px-3 py-1.5 text-xs font-medium rounded border border-base transition-colors;
+  background-color: var(--surface-base);
+  color: var(--text-primary);
+}
+
+.git-change-commit-button-overlay {
+  position: absolute;
+  bottom: 8px;
+  right: 8px;
+  z-index: 1;
+  align-self: auto;
+  padding: 0.25rem 0.5rem;
+}
+
+.git-change-commit-button-overlay:focus-visible {
+  outline: 2px solid var(--accent-primary);
+  outline-offset: 1px;
+}
+
+.git-change-commit-button-overlay:hover {
+  background-color: var(--surface-hover);
+}
+
+.git-change-commit-button:hover:not(:disabled) {
+  background-color: var(--surface-hover);
+}
+
+.git-change-commit-button:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.git-change-section {
+  @apply border-b last:border-b-0;
+  border-color: var(--border-base);
+}
+
+.git-change-section-header {
+  @apply w-full flex items-center justify-between gap-2 px-2 py-1 text-left;
+  background-color: var(--surface-secondary);
+  color: var(--text-secondary);
+}
+
+.git-change-section-header:hover {
+  background-color: var(--surface-hover);
+  color: var(--text-primary);
+}
+
+.git-change-section-header-main {
+  @apply flex items-center gap-2 min-w-0;
+}
+
+.git-change-section-chevron {
+  @apply inline-flex items-center justify-center shrink-0;
+}
+
+.git-change-section-title {
+  @apply text-[11px] font-semibold uppercase tracking-wide;
+}
+
+.git-change-section-title-row {
+  @apply inline-flex items-center gap-2 min-w-0 flex-wrap;
+}
+
+.git-change-section-badge {
+  flex-shrink: 1;
+  min-width: 0;
+}
+
+.git-change-section-count {
+  @apply text-[10px] px-1.5 py-0.5 rounded-full shrink-0;
+  background-color: var(--surface-base);
+  color: var(--text-muted);
+  border: 1px solid var(--border-base);
+}
+
+.git-change-section-items {
+  @apply flex flex-col;
+}
+
+.git-change-list-item {
+  padding-inline-start: 0.25rem;
+  position: relative;
+}
+
+.git-change-list-item-right {
+  @apply flex items-center shrink-0;
+  min-width: 0;
+}
+
+.git-change-list-item-actions-zone {
+  @apply flex items-center justify-end;
+  position: absolute;
+  inset-block: 0;
+  inset-inline-end: 0;
+  width: 34px;
+  z-index: 2;
+}
+
+.git-change-list-item-actions {
+  @apply flex items-center justify-center;
+  width: 32px;
+}
+
+.git-change-list-item .file-list-item-content {
+  padding-inline-end: 2rem;
+}
+
+.git-change-row-action {
+  @apply inline-flex items-center justify-center w-5 h-5 rounded border border-base leading-none;
+  background-color: var(--surface-base);
+  border-color: var(--border-base);
+  color: var(--text-secondary);
+  padding: 0;
+  position: relative;
+  overflow: hidden;
+  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
+}
+
+.git-change-row-action:hover {
+  background-color: var(--surface-hover);
+  border-color: var(--border-base);
+  color: var(--text-primary);
+  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--text-primary) 10%, transparent);
+}
+
+.file-list-item-active .git-change-row-action,
+.git-change-list-item-bulk-selected .git-change-row-action {
+  background-color: color-mix(in srgb, var(--surface-base) 94%, white);
+  border-color: color-mix(in srgb, var(--accent-primary) 24%, var(--border-base));
+}
+
+.file-list-item-active .git-change-row-action:hover,
+.git-change-list-item-bulk-selected .git-change-row-action:hover {
+  background-color: var(--surface-base);
+  border-color: color-mix(in srgb, var(--accent-primary) 42%, var(--border-base));
+  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent-primary) 24%, transparent);
+}
+
+.git-change-row-action:focus-visible {
+  outline: 2px solid var(--accent-primary);
+  outline-offset: 1px;
+}
+
+.git-change-row-action-glyph {
+  position: relative;
+  display: block;
+  width: 100%;
+  height: 100%;
+  pointer-events: none;
+}
+
+.git-change-row-action-bar {
+  position: absolute;
+  left: 50%;
+  top: 50%;
+  display: block;
+  background-color: currentColor;
+  border-radius: 999px;
+  transform: translate(-50%, -50%);
+}
+
+.git-change-row-action-bar-horizontal {
+  width: 12px;
+  height: 1.5px;
+}
+
+.git-change-row-action-bar-vertical {
+  width: 1.5px;
+  height: 12px;
+}
+
+@media (hover: none), (pointer: coarse) {
+  .git-change-list-item-actions-zone {
+    width: 34px;
+  }
+}
+
+.git-change-list-item-name {
+  @apply text-[12px] leading-4 min-w-0 overflow-hidden whitespace-nowrap;
+  color: var(--text-primary);
+  text-overflow: ellipsis;
+}
+
+.git-change-list-item-parent {
+  @apply text-[10px] leading-3 min-w-0 overflow-hidden whitespace-nowrap;
+  color: var(--text-muted);
+  text-overflow: ellipsis;
+}
+
+.git-change-context-widget-host {
+  position: absolute;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 34px;
+  height: 34px;
+  transform: translate(-50%, -50%);
+  overflow: visible;
+  z-index: 20;
+  pointer-events: auto;
+}
+
+.git-change-context-widget {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 22px;
+  height: 22px;
+  border-radius: 999px;
+  background-color: var(--accent-primary);
+  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent-primary) 70%, white 30%);
+  color: white;
+  font-size: 16px;
+  line-height: 1;
+  font-weight: 500;
+  border: 0;
+  cursor: pointer;
+  padding: 0;
+}
+
 .file-list-item-path {
   @apply text-xs font-mono min-w-0 flex-1 overflow-hidden whitespace-nowrap;
   color: var(--text-primary);
@@ -335,6 +601,14 @@
   width: 100%;
   height: 100%;
   direction: ltr;
+  position: relative;
+}
+
+.git-change-context-overlay {
+  position: absolute;
+  inset: 0;
+  pointer-events: none;
+  z-index: 30;
 }
 
 .file-viewer-empty {
@@ -507,6 +781,7 @@
     opacity: 0;
     transform: scale(0.95);
   }
+
   to {
     opacity: 1;
     transform: scale(1);