diff --git a/.github/workflows/ci-lint-typescript.yml b/.github/workflows/ci-lint-typescript.yml
index 6307335b83..2b8a1c58c6 100644
--- a/.github/workflows/ci-lint-typescript.yml
+++ b/.github/workflows/ci-lint-typescript.yml
@@ -22,14 +22,14 @@ jobs:
 
       - name: Set up pnpm
         uses: pnpm/action-setup@v4
+        with:
+          package_json_file: libs/typescript/package.json
 
       - name: Install Node dependencies
-        run: |
-          pnpm install --frozen-lockfile
-          pnpm -C libs/typescript install --frozen-lockfile
+        run: pnpm -C libs/typescript install --frozen-lockfile
 
       - name: TypeScript typecheck
-        run: node ./scripts/typescript-typecheck.js
+        run: pnpm -C libs/typescript typecheck
 
       - name: Prettier check
-        run: pnpm prettier --check "libs/typescript/**/*.{ts,tsx,js,jsx,json,md,yaml,yml}"
+        run: pnpm -C libs/typescript format:check
diff --git a/.github/workflows/claude-auto-fix.yml b/.github/workflows/claude-auto-fix.yml
index f978d156fb..563b90a206 100644
--- a/.github/workflows/claude-auto-fix.yml
+++ b/.github/workflows/claude-auto-fix.yml
@@ -252,7 +252,7 @@ jobs:
 
           TYPESCRIPT TOOLS:
           - prettier: code formatter
-          - TypeScript: type checking via node ./scripts/typescript-typecheck.js
+          - TypeScript: type checking via pnpm -C libs/typescript typecheck
           - pnpm: package manager
 
           TASK:
@@ -269,10 +269,10 @@ jobs:
             - Formatting: uv run black .
             - Linting: uv run ruff check . --fix
           For TypeScript lint failures:
-            - Formatting: pnpm prettier --write "**/*.{ts,tsx,js,jsx,json,md,yaml,yml}"
+            - Formatting: pnpm -C libs/typescript format
           After auto-fixing, verify the fix passes:
             - Python: uv run isort --check-only . && uv run black --check . && uv run ruff check .
-            - TypeScript: pnpm prettier --check "**/*.{ts,tsx,js,jsx,json,md,yaml,yml}"
+            - TypeScript: pnpm -C libs/typescript format:check
 
           FIXING TEST FAILURES:
           For Python test failures:
@@ -280,7 +280,7 @@ jobs:
             - The test environment uses CUA_TELEMETRY_ENABLED=false
             - Tests use pytest-asyncio with asyncio_mode=auto
           For TypeScript build/type failures:
-            - Check types: node ./scripts/typescript-typecheck.js
+            - Check types: pnpm -C libs/typescript typecheck
             - Build: cd libs/typescript && pnpm install && pnpm build
 
           IMPORTANT:
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a2e354939e..7fc73c95df 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -11,11 +11,11 @@ repos:
 
   - repo: local
     hooks:
-      - id: tsc
+      - id: typescript-typecheck
         name: TypeScript type check
-        entry: node ./scripts/typescript-typecheck.js
-        language: node
-        files: \.(ts|tsx)$
+        entry: pnpm -C libs/typescript typecheck
+        language: system
+        files: ^libs/typescript/.*\.(ts|tsx)$
         pass_filenames: false
 
   - repo: https://github.com/PyCQA/isort
diff --git a/libs/typescript/.prettierignore b/libs/typescript/.prettierignore
new file mode 100644
index 0000000000..a695b1a918
--- /dev/null
+++ b/libs/typescript/.prettierignore
@@ -0,0 +1,3 @@
+node_modules/
+**/dist/
+**/coverage/
diff --git a/libs/typescript/package.json b/libs/typescript/package.json
index ebc0f82fd8..86cd628fff 100644
--- a/libs/typescript/package.json
+++ b/libs/typescript/package.json
@@ -14,7 +14,7 @@
     "test:core": "pnpm --filter @trycua/core test",
     "test:computer": "pnpm --filter @trycua/computer test",
     "test": "pnpm -r test",
-    "typecheck": "pnpm -r typecheck",
+    "typecheck": "pnpm build:core && pnpm -r typecheck",
     "format": "prettier --write .",
     "format:check": "prettier --check ."
   },
diff --git a/package-lock.json b/package-lock.json
deleted file mode 100644
index 2df654cb9e..0000000000
--- a/package-lock.json
+++ /dev/null
@@ -1,28 +0,0 @@
-{
-  "name": "cua",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "devDependencies": {
-        "prettier": "^3.6.2"
-      }
-    },
-    "node_modules/prettier": {
-      "version": "3.6.2",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.6.2.tgz",
-      "integrity": "sha512-I7AIg5boAr5R0FFtJ6rCfD+LFsWHp81dolrFD8S79U9tb8Az2nGrJncnMSnys+bpQJfRUzqs9hnA81OAA3hCuQ==",
-      "dev": true,
-      "license": "MIT",
-      "bin": {
-        "prettier": "bin/prettier.cjs"
-      },
-      "engines": {
-        "node": ">=14"
-      },
-      "funding": {
-        "url": "https://github.com/prettier/prettier?sponsor=1"
-      }
-    }
-  }
-}