chore(code): Upgrade Electron 42, Vite 8, React 19.2 and deps

apps/code/package.json

@@ -41,57 +41,57 @@
   "license": "MIT",
   "devDependencies": {
     "@biomejs/biome": "2.2.4",
-    "@electron-forge/cli": "^7.11.1",
-    "@electron-forge/maker-deb": "^7.11.1",
-    "@electron-forge/maker-dmg": "^7.11.1",
-    "@electron-forge/maker-rpm": "^7.11.1",
-    "@electron-forge/maker-squirrel": "^7.11.1",
-    "@electron-forge/maker-zip": "^7.11.1",
-    "@electron-forge/plugin-vite": "^7.11.1",
-    "@electron-forge/publisher-github": "^7.11.1",
-    "@electron-forge/shared-types": "^7.11.1",
-    "@electron/rebuild": "^4.0.3",
-    "@playwright/test": "^1.42.0",
-    "@posthog/rollup-plugin": "^1.4.0",
+    "@electron-forge/cli": "^7.11.2",
+    "@electron-forge/maker-deb": "^7.11.2",
+    "@electron-forge/maker-dmg": "^7.11.2",
+    "@electron-forge/maker-rpm": "^7.11.2",
+    "@electron-forge/maker-squirrel": "^7.11.2",
+    "@electron-forge/maker-zip": "^7.11.2",
+    "@electron-forge/plugin-vite": "^7.11.2",
+    "@electron-forge/publisher-github": "^7.11.2",
+    "@electron-forge/shared-types": "^7.11.2",
+    "@electron/rebuild": "^4.0.4",
+    "@playwright/test": "^1.60.0",
+    "@posthog/rollup-plugin": "^1.4.4",
     "@reforged/maker-appimage": "^5.2.0",
-    "@storybook/addon-a11y": "10.2.0",
-    "@storybook/addon-docs": "10.2.0",
-    "@storybook/react-vite": "10.2.0",
+    "@storybook/addon-a11y": "10.4.1",
+    "@storybook/addon-docs": "10.4.1",
+    "@storybook/react-vite": "10.4.1",
     "@tanstack/devtools-vite": "^0.7.0",
     "@testing-library/jest-dom": "^6.9.1",
     "@testing-library/react": "^16.3.0",
     "@testing-library/user-event": "^14.6.1",
     "@types/better-sqlite3": "^7.6.13",
     "@types/canvas-confetti": "^1.9.0",
     "@types/node": "^24.0.0",
-    "@types/react": "^19.1.0",
-    "@types/react-dom": "^19.1.0",
+    "@types/react": "^19.2.15",
+    "@types/react-dom": "^19.2.3",
     "@types/semver": "^7.7.1",
-    "@vitejs/plugin-react": "^4.2.1",
-    "@vitest/ui": "^4.0.10",
-    "adm-zip": "^0.5.16",
-    "electron": "^41.0.0",
+    "@vitejs/plugin-react": "^6.0.2",
+    "@vitest/ui": "^4.1.7",
+    "adm-zip": "^0.5.17",
+    "electron": "^42.3.0",
     "husky": "^9.1.7",
-    "jimp": "^1.6.0",
+    "jimp": "^1.6.1",
     "jsdom": "^26.0.0",
     "lint-staged": "^15.5.2",
-    "memfs": "^4.56.10",
-    "postcss": "^8.4.33",
-    "storybook": "10.2.0",
-    "tailwindcss": "^4.2.2",
-    "tsx": "^4.20.6",
-    "typed-openapi": "^2.2.2",
+    "memfs": "^4.57.3",
+    "postcss": "^8.5.15",
+    "storybook": "10.4.1",
+    "tailwindcss": "^4.3.0",
+    "tsx": "^4.22.3",
+    "typed-openapi": "^2.2.6",
     "typescript": "^5.9.3",
-    "vite": "^6.0.7",
-    "vite-tsconfig-paths": "^5.1.4",
-    "vitest": "^4.0.10",
-    "yaml": "^2.8.1"
+    "vite": "^8.0.14",
+    "vite-tsconfig-paths": "^6.1.1",
+    "vitest": "^4.1.7",
+    "yaml": "^2.9.0"
   },
   "dependencies": {
     "@fontsource-variable/inter": "^5.2.8",
     "@inversifyjs/strongly-typed": "2.2.0",
     "@json-render/core": "^0.19.0",
-    "@modelcontextprotocol/sdk": "^1.12.1",
+    "@modelcontextprotocol/sdk": "^1.29.0",
     "@opentelemetry/api-logs": "^0.208.0",
     "@opentelemetry/exporter-logs-otlp-http": "^0.208.0",
     "@opentelemetry/resources": "^2.5.0",
@@ -117,20 +117,20 @@
     "@posthog/workspace-client": "workspace:*",
     "@posthog/workspace-server": "workspace:*",
     "@radix-ui/themes": "^3.2.1",
-    "@tailwindcss/vite": "^4.2.2",
-    "@tanstack/react-query": "^5.90.2",
-    "@tanstack/router-plugin": "^1.95.0",
-    "@trpc/client": "^11.12.0",
-    "@trpc/server": "^11.12.0",
-    "@trpc/tanstack-react-query": "^11.12.0",
-    "better-sqlite3": "^12.8.0",
+    "@tailwindcss/vite": "^4.3.0",
+    "@tanstack/react-query": "^5.100.14",
+    "@tanstack/router-plugin": "^1.168.13",
+    "@trpc/client": "^11.17.0",
+    "@trpc/server": "^11.17.0",
+    "@trpc/tanstack-react-query": "^11.17.0",
+    "better-sqlite3": "^12.10.0",
     "chokidar": "^5.0.0",
     "detect-libc": "^1.0.3",
-    "dotenv": "^17.2.3",
-    "drizzle-orm": "^0.45.1",
-    "electron-log": "^5.4.3",
+    "dotenv": "^17.4.2",
+    "drizzle-orm": "^0.45.2",
+    "electron-log": "^5.4.4",
     "electron-store": "^11.0.0",
-    "fflate": "^0.8.2",
+    "fflate": "^0.8.3",
     "file-icon": "^6.0.0",
     "fzf": "^0.5.2",
     "ignore": "^7.0.5",
@@ -140,17 +140,17 @@
     "node-addon-api": "^8.5.0",
     "node-machine-id": "^1.1.12",
     "node-pty": "1.1.0",
-    "posthog-node": "^5.24.10",
+    "posthog-node": "^5.35.6",
     "radix-themes-tw": "0.2.3",
-    "react": "19.1.0",
-    "react-dom": "19.1.0",
+    "react": "19.2.6",
+    "react-dom": "19.2.6",
     "react-hotkeys-hook": "^4.4.4",
     "reflect-metadata": "^0.2.2",
-    "semver": "^7.6.0",
+    "semver": "^7.8.1",
     "shadcn": "^4.1.2",
-    "smol-toml": "^1.6.0",
+    "smol-toml": "^1.6.1",
     "tailwindcss-scroll-mask": "^0.0.3",
     "tw-animate-css": "^1.4.0",
-    "zod": "^4.1.12"
+    "zod": "^4.4.3"
   }
 }

apps/code/scripts/postinstall.sh

@@ -24,8 +24,7 @@ fi
 echo "Rebuilding native modules for Electron..."
 
 cd "$REPO_ROOT"
-npx @electron/rebuild -f -m node_modules/node-pty
-npx @electron/rebuild -f -m node_modules/better-sqlite3 || echo "⚠ better-sqlite3 electron rebuild FAILED — app DB will not load"
+node scripts/rebuild-better-sqlite3-electron.mjs
 
 echo "Patching Electron app name..."
 bash "$SCRIPTS_DIR/patch-electron-name.sh"

apps/code/vite.main.config.mts

@@ -50,20 +50,32 @@ function getBuildDate(): string {
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
 
-function fixFilenameCircularRef(): Plugin {
+function fixImportMetaUrl(): Plugin {
   return {
-    name: "fix-filename-circular-ref",
+    name: "fix-import-meta-url",
     enforce: "post",
     generateBundle(_options, bundle) {
+      // Rolldown (Vite 8) lowers `import.meta.url` to `{}.url` (undefined) in the
+      // CJS main bundle, crashing createRequire/fileURLToPath at boot. Restore a
+      // CJS-safe URL from the bundle's own __filename.
+      let replaced = 0;
       for (const fileName in bundle) {
         const chunk = bundle[fileName];
         if (chunk.type === "chunk") {
-          chunk.code = chunk.code.replace(
-            /const __filename(\d+) = [\w$]+\.fileURLToPath\(typeof document === "undefined" \? require\("url"\)\.pathToFileURL\(__filename\1\)\.href : [^;]+\);/g,
-            "const __filename$1 = __filename;",
-          );
+          chunk.code = chunk.code.replace(/\{\}\.url/g, () => {
+            replaced++;
+            return 'require("url").pathToFileURL(__filename).href';
+          });
         }
       }
+      // If a future Rolldown changes or fixes that lowering, this plugin silently
+      // stops firing and the boot crash returns. Warn loudly so we re-check the
+      // packaged app's boot (or drop this plugin once Rolldown handles it).
+      if (replaced === 0) {
+        this.warn(
+          "fix-import-meta-url found no `{}.url` to patch; verify Rolldown's import.meta.url lowering and that the packaged app still boots",
+        );
+      }
     },
   };
 }
@@ -609,7 +621,7 @@ export default defineConfig(({ mode }) => {
     plugins: [
       tsconfigPaths(),
       autoServicesPlugin(join(__dirname, "src/main/services")),
-      fixFilenameCircularRef(),
+      fixImportMetaUrl(),
       copyClaudeExecutable(),
       copyPosthogPlugin(isDev),
       copyDrizzleMigrations(),

apps/code/vite.workspace-server.config.mts

@@ -24,8 +24,9 @@ const nativeModules = new Set([
   "file-icon",
 ]);
 
-const isExternal = (id: string): boolean =>
-  nodeBuiltins.has(id) || nativeModules.has(id);
+// Rolldown (Vite 8) merges ssr.external into rollupOptions.external as one
+// array and rejects function entries, so this must stay a plain string list.
+const externalModules = [...nodeBuiltins, ...nativeModules];
 
 export default defineConfig({
   resolve: {
@@ -55,7 +56,7 @@ export default defineConfig({
       output: {
         entryFileNames: "workspace-server.js",
       },
-      external: isExternal,
+      external: externalModules,
     },
   },
 });

package.json

@@ -24,10 +24,7 @@
     "test:vitest": "pnpm --filter code --filter @posthog/electron-trpc test",
     "test:e2e": "pnpm --filter code test:e2e",
     "test:e2e:headed": "pnpm --filter code test:e2e:headed",
-    "rebuild:sqlite-node": "node scripts/rebuild-better-sqlite3-node.mjs",
-    "rebuild:sqlite-electron": "npx @electron/rebuild -f -m node_modules/better-sqlite3",
     "typecheck": "turbo typecheck",
-    "boundaries": "node scripts/check-host-boundaries.mjs",
     "lint": "biome check --write --unsafe",
     "format": "biome format --write",
     "clean": "pnpm -r clean",
@@ -52,24 +49,12 @@
     "knip": "^5.66.3",
     "lint-staged": "^15.5.2",
     "mprocs": "^0.7.1",
-    "turbo": "^2.6.2"
+    "turbo": "^2.9.16"
   },
   "lint-staged": {
     "*.{ts,tsx,js,jsx}": [
       "biome check --write --unsafe --files-ignore-unknown=true --no-errors-on-unmatched",
       "bash -c 'pnpm typecheck'"
     ]
-  },
-  "pnpm": {
-    "onlyBuiltDependencies": [
-      "electron",
-      "electron-winstaller",
-      "node-pty",
-      "better-sqlite3",
-      "@posthog/cli"
-    ],
-    "overrides": {
-      "zod": "4.3.6"
-    }
   }
 }

packages/electron-trpc/package.json

@@ -32,8 +32,8 @@
     "@trpc/client": "^11.8.0",
     "@trpc/server": "^11.8.0",
     "@types/node": "^24.0.0",
-    "@vitest/coverage-v8": "^0.34.0",
-    "electron": "^41.0.0",
+    "@vitest/coverage-v8": "^2.1.8",
+    "electron": "^42.3.0",
     "superjson": "^2.2.2",
     "typescript": "^5.8.3",
     "vite": "^6.0.7",

packages/electron-trpc/src/main/handleIPCMessage.ts

@@ -95,6 +95,8 @@ export async function handleIPCMessage<TRouter extends AnyTRPCRouter>({
       getRawInput: async () => input,
       type,
       signal: abortController.signal,
+      // IPC operations are never batched
+      batchIndex: 0,
     });
 
     const isIterableResult = isAsyncIterable(result) || isObservable(result);

packages/host-router/package.json

@@ -24,7 +24,8 @@
     "@posthog/shared": "workspace:*",
     "@posthog/workspace-client": "workspace:*",
     "@posthog/workspace-server": "workspace:*",
-    "@trpc/client": "catalog:"
+    "@trpc/client": "catalog:",
+    "zod": "^4.4.3"
   },
   "peerDependencies": {
     "@tanstack/react-query": "catalog:",

packages/ui/package.json

@@ -107,6 +107,7 @@
     "unified": "^11.0.5",
     "virtua": "^0.48.6",
     "vscode-icons-js": "^11.6.1",
+    "zod": "^4.4.3",
     "zustand": "^4.5.0"
   },
   "peerDependencies": {

packages/ui/src/features/inbox/hooks/useSignalTeamConfigMutations.ts

@@ -67,12 +67,13 @@ export function useSignalTeamConfigMutations() {
       );
 
       if (previous) {
+        const optimistic: SignalTeamConfig = {
+          ...previous,
+          autostart_base_branches: branches,
+        };
         queryClient.setQueryData<SignalTeamConfig | null>(
           TEAM_CONFIG_QUERY_KEY,
-          {
-            ...previous,
-            autostart_base_branches: branches,
-          },
+          optimistic,
         );
       }
 

packages/ui/src/features/tasks/useTaskMutations.ts

@@ -124,7 +124,8 @@ export function useRenameTask() {
         if (previousDetail) {
           queryClient.setQueryData<Task | undefined>(
             taskKeys.detail(taskId),
-            (current) => rollbackDetailData(current, previousDetail, newTitle),
+            (current) =>
+              rollbackDetailData<Task>(current, previousDetail, newTitle),
           );
         }
         if (rollbackSession) {

patches/better-sqlite3@12.10.0.patch

@@ -0,0 +1,47 @@
+diff --git a/src/better_sqlite3.cpp b/src/better_sqlite3.cpp
+index 13f054a641f63dda3ebbf71ea5613cf12b054fad..78e99304e9d798545688066026c2b7d2fb385858 100644
+--- a/src/better_sqlite3.cpp
++++ b/src/better_sqlite3.cpp
+@@ -57,7 +57,12 @@ NODE_MODULE_INIT(/* exports, context */) {
+
+ 	// Initialize addon instance.
+ 	Addon* addon = new Addon(isolate);
++#if defined(NODE_MODULE_VERSION) && NODE_MODULE_VERSION >= 146
++	// V8 14.6+ (Electron 42, Node 26) drops the untagged External::New overload.
++	v8::Local<v8::External> data = v8::External::New(isolate, addon, v8::kExternalPointerTypeTagDefault);
++#else
+ 	v8::Local<v8::External> data = v8::External::New(isolate, addon);
++#endif
+ 	node::AddEnvironmentCleanupHook(isolate, Addon::Cleanup, addon);
+
+ 	// Create and export native-backed classes and functions.
+diff --git a/src/util/helpers.cpp b/src/util/helpers.cpp
+index f7771520075e2dc871d1d60b801bbbb540c6c23d..db7fd9f563b3984f88b3c452e30b8c9eca2bf106 100644
+--- a/src/util/helpers.cpp
++++ b/src/util/helpers.cpp
+@@ -89,7 +89,7 @@ void SetPrototypeGetter(
+ 	recv->InstanceTemplate()->SetNativeDataProperty(
+ 		InternalizedFromLatin1(isolate, name),
+ 		func,
+-		0,
++		nullptr,
+ 		data
+ 	);
+ }
+diff --git a/src/util/macros.cpp b/src/util/macros.cpp
+index e75d53763e575cb1ec5f560d1303100ebb380249..49a04a8e13e900bb3bb9d15817b12d2543543bf0 100644
+--- a/src/util/macros.cpp
++++ b/src/util/macros.cpp
+@@ -27,7 +27,12 @@
+ #define EasyIsolate v8::Isolate* isolate = v8::Isolate::GetCurrent()
+ #define OnlyIsolate info.GetIsolate()
+ #define OnlyContext isolate->GetCurrentContext()
++#if defined(NODE_MODULE_VERSION) && NODE_MODULE_VERSION >= 146
++// V8 14.6+ (Electron 42, Node 26) drops the untagged External::Value overload.
++#define OnlyAddon static_cast<Addon*>(info.Data().As<v8::External>()->Value(v8::kExternalPointerTypeTagDefault))
++#else
+ #define OnlyAddon static_cast<Addon*>(info.Data().As<v8::External>()->Value())
++#endif
+ #define UseIsolate v8::Isolate* isolate = OnlyIsolate
+ #define UseContext v8::Local<v8::Context> ctx = OnlyContext
+ #define UseAddon Addon* addon = OnlyAddon