Typecheck with tsrs instead of TypeScript 7 tsc

.github/workflows/build-desktop.yml

@@ -273,9 +273,6 @@ jobs:
             echo "has_signing_secrets=true" >> "$GITHUB_OUTPUT"
           fi
 
-      - name: Typecheck desktop and launcher
-        run: pnpm exec turbo run typecheck --filter=@bb/desktop --filter=bb-app --output-logs=new-only
-
       - name: Package x64 installer
         env:
           WIN_CSC_LINK: ${{ secrets.WINDOWS_CERTIFICATE_PFX }}

.github/workflows/ci.yml

@@ -120,9 +120,9 @@ jobs:
           TURBO_CACHE_RESTORE_OUTCOME: ${{ steps.cache.outcome }}
         run: bash .github/actions/setup-workspace/install-dependencies.sh --ignore-scripts --filter bb --filter "@bb/process-utils..." --filter "@bb/host-workspace..." --filter "@bb/host-watcher..." --filter "@bb/agent-runtime..." --filter "@bb/provider-bridge-protocol..." --filter "@bb/provider-bridge-acp..." --filter "@bb/host-daemon-contract..." --filter "@bb/config..." --filter "@bb/db..." --filter "bb-plugin-provider-acp..." --filter "bb-plugin-provider-codex..." --filter "bb-plugin-provider-claude-code..." --filter "bb-plugin-echo-provider..." --filter "@bb/app..."
 
-      - name: Typecheck and test foundation packages
+      - name: Lint and test foundation packages
         shell: bash
-        run: pnpm exec turbo run lint typecheck test --filter=@bb/process-utils --filter=@bb/host-workspace --filter=@bb/host-watcher --filter=@bb/agent-runtime --filter=@bb/provider-bridge-protocol --filter=@bb/provider-bridge-acp --filter=@bb/host-daemon-contract --filter=@bb/config --filter=@bb/db --cache-dir="${TURBO_CACHE_DIR:-.turbo/cache}" --continue --concurrency=2 --output-logs=new-only --summarize
+        run: pnpm exec turbo run lint test --filter=@bb/process-utils --filter=@bb/host-workspace --filter=@bb/host-watcher --filter=@bb/agent-runtime --filter=@bb/provider-bridge-protocol --filter=@bb/provider-bridge-acp --filter=@bb/host-daemon-contract --filter=@bb/config --filter=@bb/db --cache-dir="${TURBO_CACHE_DIR:-.turbo/cache}" --continue --concurrency=2 --output-logs=new-only --summarize
 
       - name: Bound saved Turbo cache
         run: node scripts/prune-turbo-cache.mjs --dir .turbo/cache --max-size-mb 256 --keep-run-summaries .turbo/runs

.github/workflows/publish-bb-app.yml

@@ -811,9 +811,6 @@ jobs:
           echo "version=${NIGHTLY_VERSION}" >> "$GITHUB_OUTPUT"
           echo "Applied bb-app and desktop version ${NIGHTLY_VERSION}."
 
-      - name: Typecheck desktop and launcher
-        run: pnpm exec turbo run typecheck --filter=@bb/desktop --filter=bb-app --output-logs=new-only
-
       - name: Package x64 nightly installer
         # Signs when the Windows certificate secrets exist; without them the
         # installer is unsigned and Windows SmartScreen warns before running it.

apps/ai-gateway/package.json

@@ -7,7 +7,7 @@
     "dev": "wrangler dev",
     "deploy": "wrangler deploy",
     "test": "vitest run --config vitest.config.ts",
-    "typecheck": "tsc --noEmit"
+    "typecheck": "tsrs --noEmit"
   },
   "dependencies": {
     "@bb/connect-db": "workspace:*",
@@ -21,8 +21,8 @@
     "better-sqlite3": "12.10.0",
     "esbuild": "^0.28.1",
     "miniflare": "^4.20260701.0",
+    "tsrs": "0.18.0-ts7.1.0-dev.20260929",
     "typescript": "npm:@typescript/typescript6@^6.0.2",
-    "typescript-7": "npm:typescript@^7.0.2",
     "vitest": "^4.1.1",
     "wrangler": "^4.100.0"
   }

apps/app/package.json

@@ -13,7 +13,7 @@
     "storybook": "ladle serve",
     "storybook:build": "ladle build",
     "lint": "oxlint src vite.config.ts vite.dev.config.ts vite-bundle-stats.ts vite-font-preload.ts vite-split-prefetch.ts vite-forkable-plugin-paths.ts vite-shared-ui-seam.ts vite-react-compiler.ts",
-    "typecheck": "tsc --noEmit && tsc --noEmit -p tsconfig.node.json",
+    "typecheck": "tsrs --noEmit && tsrs --noEmit -p tsconfig.node.json",
     "test": "node scripts/generate-pwa-icons.mjs --check && vitest run --config vitest.config.ts",
     "bench": "cross-env BB_SIDEBAR_BENCH=1 PROMPTBOX_PERF=1 vitest run --config vitest.config.ts src/components/sidebar/sidebar.bench.test.tsx src/components/promptbox/editor/prompt-paste-performance.test.ts"
   },
@@ -137,8 +137,8 @@
     "remark-parse": "^11.0.0",
     "sharp": "^0.34.5",
     "tailwindcss": "^4.3.0",
+    "tsrs": "0.18.0-ts7.1.0-dev.20260929",
     "typescript": "npm:@typescript/typescript6@^6.0.2",
-    "typescript-7": "npm:typescript@^7.0.2",
     "unified": "^11.0.5",
     "vite": "^8.0.12"
   }

apps/app/src/lib/system-config-atoms.local-access.test.ts

@@ -157,7 +157,7 @@ describe("local host daemon access atoms", () => {
         await store.get(localHostDaemonAccessStateAtom);
         expect(mocks.fetchSdkSystemConfig).not.toHaveBeenCalled();
         mocks.fetchSdkSystemConfig.mockImplementation(
-          ({ signal } = {}) =>
+          ({ signal }: { signal?: AbortSignal } = {}) =>
             new Promise((resolve) => {
               requests.push({ resolve });
               signal?.addEventListener(

apps/cli/package.json

@@ -10,7 +10,7 @@
     "build": "node ../../scripts/build-node-entry.mjs src/index.ts dist/index.js --clean-dist --split",
     "start": "node dist/index.js",
     "clean": "rimraf dist",
-    "typecheck": "tsc --noEmit",
+    "typecheck": "tsrs --noEmit",
     "test": "vitest run"
   },
   "dependencies": {
@@ -41,7 +41,7 @@
     "@types/node": "^22.0.0",
     "esbuild": "^0.28.0",
     "tailwindcss": "^4.3.0",
-    "typescript": "npm:@typescript/typescript6@^6.0.2",
-    "typescript-7": "npm:typescript@^7.0.2"
+    "tsrs": "0.18.0-ts7.1.0-dev.20260929",
+    "typescript": "npm:@typescript/typescript6@^6.0.2"
   }
 }

apps/connect/package.json

@@ -7,7 +7,7 @@
     "dev": "wrangler dev",
     "deploy": "wrangler deploy",
     "test": "vitest run --config vitest.config.ts",
-    "typecheck": "tsc --noEmit"
+    "typecheck": "tsrs --noEmit"
   },
   "dependencies": {
     "@bb/connect-db": "workspace:*",
@@ -25,8 +25,8 @@
     "better-auth": "^1.6.23",
     "esbuild": "^0.28.1",
     "miniflare": "^4.20260701.0",
+    "tsrs": "0.18.0-ts7.1.0-dev.20260929",
     "typescript": "npm:@typescript/typescript6@^6.0.2",
-    "typescript-7": "npm:typescript@^7.0.2",
     "wrangler": "^4.100.0"
   }
 }

apps/demo-server/package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "dev": "wrangler dev",
     "deploy": "wrangler deploy",
-    "typecheck": "tsc --noEmit",
+    "typecheck": "tsrs --noEmit",
     "test": "vitest run --config vitest.config.ts",
     "build": "tsx scripts/build-assets.ts"
   },
@@ -22,6 +22,7 @@
     "@types/node": "^22.0.0",
     "bb-plugin-navigation": "workspace:*",
     "bb-plugin-thread-list": "workspace:*",
+    "tsrs": "0.18.0-ts7.1.0-dev.20260929",
     "tsx": "^4.23.1",
     "typescript": "npm:@typescript/typescript6@^6.0.2",
     "vitest": "^4.1.1",

apps/desktop/package.json

@@ -27,7 +27,7 @@
     "smoke:browser-cdp": "node scripts/smoke-browser-cdp.mjs",
     "start": "pnpm run package && node scripts/run-packaged-app.mjs",
     "test": "install-electron && vitest run --config vitest.config.ts",
-    "typecheck": "tsc --noEmit",
+    "typecheck": "tsrs --noEmit",
     "smoke:browser-broker": "node scripts/smoke-browser-broker.mjs",
     "smoke:browser-address": "node scripts/smoke-browser-address.mjs"
   },
@@ -57,9 +57,9 @@
     "electron-builder-squirrel-windows": "26.15.7",
     "esbuild": "^0.28.0",
     "rimraf": "^6.1.0",
+    "tsrs": "0.18.0-ts7.1.0-dev.20260929",
     "tsx": "^4.23.1",
     "typescript": "npm:@typescript/typescript6@^6.0.2",
-    "typescript-7": "npm:typescript@^7.0.2",
     "vitest": "^4.1.1",
     "yaml": "^2.8.2"
   }

apps/desktop/src/desktop-browser-capture.ts

@@ -1,4 +1,5 @@
 import { nativeImage, type NativeImage, type WebContents } from "electron";
+import { jsonObjectSchema } from "@bb/domain";
 import { z } from "zod";
 import type { DesktopBrowserCdpPage } from "./desktop-browser-cdp.js";
 import {
@@ -27,7 +28,7 @@ export async function captureDesktopBrowserCdpScreenshot(
   let frameTimer: ReturnType<typeof setTimeout> | undefined;
   const command = contents.debugger
     .sendCommand("Page.captureScreenshot", params, sessionId)
-    .then((result) => z.record(z.string(), z.json()).parse(result))
+    .then((result) => jsonObjectSchema.parse(result))
     .finally(() => {
       finished = true;
       finish();
@@ -107,10 +108,11 @@ export async function captureDesktopBrowserPage(
           if (!debuggerApi.isAttached()) {
             debuggerApi.attach("1.3");
             ownsAttachment = true;
-            previousBackgroundThrottling = getDesktopBrowserThrottling(contents);
+            previousBackgroundThrottling =
+              getDesktopBrowserThrottling(contents);
             setDesktopBrowserThrottling(contents, false);
             debuggerApi.on("detach", detached);
-            z.record(z.string(), z.json()).parse(
+            jsonObjectSchema.parse(
               await debuggerApi.sendCommand(
                 "Emulation.setFocusEmulationEnabled",
                 { enabled: true },

apps/desktop/src/desktop-browser-cdp-adapter.ts

@@ -1,4 +1,5 @@
 import type { Event, WebContents } from "electron";
+import { jsonObjectSchema } from "@bb/domain";
 import { z } from "zod";
 import { captureDesktopBrowserCdpScreenshot } from "./desktop-browser-capture.js";
 import type {
@@ -12,10 +13,9 @@ import {
   setDesktopBrowserThrottling,
 } from "./desktop-browser-throttling.js";
 
-const cdpObjectSchema = z.record(z.string(), z.json());
 const cdpMessageSchema = z.object({
   method: z.string().min(1),
-  params: cdpObjectSchema,
+  params: jsonObjectSchema,
   sessionId: z.string(),
 });
 
@@ -99,7 +99,7 @@ function createPage(
       const ready = nativeDebugger
         .sendCommand("Emulation.setFocusEmulationEnabled", { enabled: true })
         .then((result) => {
-          cdpObjectSchema.parse(result);
+          jsonObjectSchema.parse(result);
           if (generation === attachmentGeneration) attachmentReady = null;
         });
       attachmentReady = ready;
@@ -152,7 +152,7 @@ function createPage(
         }
       }
       signal?.throwIfAborted();
-      const result = cdpObjectSchema.parse(
+      const result = jsonObjectSchema.parse(
         await (method === "Page.captureScreenshot"
           ? captureDesktopBrowserCdpScreenshot(webContents, params, sessionId)
           : nativeDebugger.sendCommand(method, params, sessionId)),

apps/desktop/src/desktop-browser-cdp.ts

@@ -1,15 +1,15 @@
 import { createHash, randomBytes, randomUUID } from "node:crypto";
 import { createServer } from "node:http";
 import { WebSocket, WebSocketServer } from "ws";
+import { jsonObjectSchema } from "@bb/domain";
 import { z } from "zod";
 
-const objectSchema = z.record(z.string(), z.json());
-type CdpObject = z.infer<typeof objectSchema>;
+type CdpObject = z.infer<typeof jsonObjectSchema>;
 const commandSchema = z
   .object({
     id: z.number().int().nonnegative(),
     method: z.string().min(1).max(256),
-    params: objectSchema.default({}),
+    params: jsonObjectSchema.default({}),
     sessionId: z.string().min(1).max(256).optional(),
   })
   .strict();

apps/desktop/test/desktop-browser-cdp.test.ts

@@ -1,6 +1,7 @@
 import { once } from "node:events";
 import { afterEach, describe, expect, it, vi } from "vitest";
 import { WebSocket } from "ws";
+import { jsonObjectSchema } from "@bb/domain";
 import { z } from "zod";
 import {
   createDesktopBrowserCdpBridge,
@@ -11,8 +12,7 @@ import {
 } from "../src/desktop-browser-cdp.js";
 import { createDeferredPromise } from "@bb/test-helpers";
 
-const messageSchema = z.record(z.string(), z.json());
-type Message = z.infer<typeof messageSchema>;
+type Message = z.infer<typeof jsonObjectSchema>;
 const disposers: Array<() => Promise<void>> = [];
 
 afterEach(async () => {
@@ -143,7 +143,7 @@ async function connect(endpoint: string) {
   await once(socket, "open");
   const messages: Message[] = [];
   socket.on("message", (data) =>
-    messages.push(messageSchema.parse(JSON.parse(data.toString()))),
+    messages.push(jsonObjectSchema.parse(JSON.parse(data.toString()))),
   );
   disposers.push(async () => {
     if (socket.readyState === WebSocket.CLOSED) return;
@@ -164,7 +164,7 @@ async function connect(endpoint: string) {
         2000,
       );
       const onMessage = (data: Buffer) => {
-        const message = messageSchema.parse(JSON.parse(data.toString()));
+        const message = jsonObjectSchema.parse(JSON.parse(data.toString()));
         if (message.id !== requestId) return;
         clearTimeout(timer);
         socket.off("message", onMessage);

apps/desktop/test/fixtures/browser-cdp-smoke.ts

@@ -8,6 +8,7 @@ import { join } from "node:path";
 import { promisify } from "node:util";
 import { app, BrowserWindow, nativeImage } from "electron";
 import { WebSocket, WebSocketServer } from "ws";
+import { jsonObjectSchema } from "@bb/domain";
 import { z } from "zod";
 import { desktopBrowserResultSchemas } from "@bb/host-daemon-contract";
 import {
@@ -22,8 +23,7 @@ import { createDesktopBrowserBroker } from "../../src/desktop-browser-broker.js"
 const execute = promisify(execFile);
 const keepAlive = setInterval(() => {}, 1000);
 app.once("quit", () => clearInterval(keepAlive));
-const objectSchema = z.record(z.string(), z.json());
-type CdpObject = z.infer<typeof objectSchema>;
+type CdpObject = z.infer<typeof jsonObjectSchema>;
 const configSchema = z.object({
   artifacts: z.string().min(1),
   devBrowser: z.string().min(1),
@@ -37,7 +37,7 @@ const targetListSchema = z.object({
 });
 const responseSchema = z.object({
   id: z.number().optional(),
-  result: objectSchema.optional(),
+  result: jsonObjectSchema.optional(),
   error: z.object({ message: z.string() }).optional(),
   method: z.string().optional(),
 });
@@ -275,7 +275,7 @@ async function main() {
         .object({
           id: z.number(),
           method: z.string(),
-          params: objectSchema.optional(),
+          params: jsonObjectSchema.optional(),
           sessionId: z.string().optional(),
         })
         .parse(JSON.parse(bytes.toString()));
@@ -296,7 +296,7 @@ async function main() {
       else queued.push(bytes);
     });
     upstream.on("message", (data) => {
-      const message = objectSchema.parse(JSON.parse(data.toString()));
+      const message = jsonObjectSchema.parse(JSON.parse(data.toString()));
       if (message.method === "Target.attachedToTarget") {
         const info = z
           .object({
@@ -594,7 +594,7 @@ async function main() {
     );
     assert.deepEqual(
       z
-        .object({ result: z.object({ value: objectSchema }) })
+        .object({ result: z.object({ value: jsonObjectSchema }) })
         .parse(hiddenResult).result.value,
       {
         title: "Other thread sentinel",

apps/host-daemon/package.json

@@ -15,7 +15,7 @@
     "start": "node dist/index.js",
     "dev": "node --conditions=source --import tsx scripts/dev-supervisor.mjs",
     "clean": "rimraf dist",
-    "typecheck": "tsc --noEmit",
+    "typecheck": "tsrs --noEmit",
     "test": "vitest run --config vitest.config.ts"
   },
   "dependencies": {
@@ -62,8 +62,8 @@
     "@types/semver": "^7.7.1",
     "esbuild": "^0.28.0",
     "hono": "^4.7.0",
+    "tsrs": "0.18.0-ts7.1.0-dev.20260929",
     "tsx": "^4.23.1",
-    "typescript": "npm:@typescript/typescript6@^6.0.2",
-    "typescript-7": "npm:typescript@^7.0.2"
+    "typescript": "npm:@typescript/typescript6@^6.0.2"
   }
 }

apps/mobile/package.json

@@ -10,7 +10,7 @@
     "build:android:local": "bash scripts/build-android-local.sh",
     "build:android:dev": "bash scripts/build-android-dev.sh",
     "prebuild": "expo prebuild",
-    "typecheck": "tsc --noEmit",
+    "typecheck": "tsrs --noEmit",
     "lint": "oxlint app src scripts plugins metro.config.js app.config.js",
     "test": "vitest run --config vitest.config.ts",
     "theme:generate": "node --conditions=source --import tsx scripts/generate-native-theme.ts",
@@ -81,6 +81,7 @@
     "postcss": "^8.5.26",
     "sf-symbols-typescript": "^2.2.0",
     "tailwindcss": "^4.3.0",
+    "tsrs": "0.18.0-ts7.1.0-dev.20260929",
     "typescript": "npm:@typescript/typescript6@^6.0.2",
     "vitest": "^4.1.1"
   }

apps/server/package.json

@@ -9,7 +9,7 @@
     "dev": "node --conditions=source --import tsx scripts/dev-supervisor.mjs",
     "clean": "rimraf dist",
     "generate:bb-official-marketplace": "node --conditions=source --import tsx scripts/generate-bb-official-marketplace.ts",
-    "typecheck": "tsc --noEmit",
+    "typecheck": "tsrs --noEmit",
     "test": "vitest run --config vitest.config.ts",
     "test:provider-corpus": "vitest run --config vitest.config.ts test/provider-corpus"
   },
@@ -64,9 +64,9 @@
     "@types/semver": "^7.7.0",
     "@types/ws": "^8.18.1",
     "ajv": "8.20.0",
+    "tsrs": "0.18.0-ts7.1.0-dev.20260929",
     "tsx": "^4.23.1",
     "typescript": "npm:@typescript/typescript6@^6.0.2",
-    "typescript-7": "npm:typescript@^7.0.2",
     "vitest": "^4.1.1"
   }
 }