feat: update notice after a server update, keep the open tab on reload, chunked Whisper in Quick Dump, compact emoji picker

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

frontend/vite.config.ts

@@ -6,11 +6,22 @@ import { readFileSync } from 'node:fs';
 // other builds show the package version with a "-dev" suffix (Semantic Versioning, see CHANGELOG.md).
 const pkg = JSON.parse(readFileSync(new URL('./package.json', import.meta.url), 'utf8'));
 const appVersion = process.env.APP_VERSION || `v${pkg.version}-dev`;
+// Every build gets its own ID; open pages compare it with version.json to offer a reload (lib/useUpdateCheck)
+const appBuild = `${Date.now()}`;
 
 export default defineConfig({
-  plugins: [react()],
+  plugins: [
+    react(),
+    {
+      name: 'mindsift-version-json',
+      generateBundle() {
+        this.emitFile({ type: 'asset', fileName: 'version.json', source: JSON.stringify({ version: appVersion, build: appBuild }) });
+      },
+    },
+  ],
   define: {
     __APP_VERSION__: JSON.stringify(appVersion),
+    __APP_BUILD__: JSON.stringify(appBuild),
   },
   server: {
     port: 5173,