Serve bundled or proxied UI from CLI

packages/cli/scripts/copy-ui-dist.mjs

@@ -0,0 +1,21 @@
+#!/usr/bin/env node
+import { cpSync, existsSync, mkdirSync, rmSync } from "fs"
+import path from "path"
+import { fileURLToPath } from "url"
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+const cliRoot = path.resolve(__dirname, "..")
+const uiDistDir = path.resolve(cliRoot, "../ui/src/renderer/dist")
+const targetDir = path.resolve(cliRoot, "public")
+
+if (!existsSync(uiDistDir)) {
+  console.error(`[copy-ui-dist] Expected UI build artifacts at ${uiDistDir}. Run the UI build before bundling the CLI.`)
+  process.exit(1)
+}
+
+rmSync(targetDir, { recursive: true, force: true })
+mkdirSync(targetDir, { recursive: true })
+cpSync(uiDistDir, targetDir, { recursive: true })
+
+console.log(`[copy-ui-dist] Copied UI bundle from ${uiDistDir} -> ${targetDir}`)