ci: fix pnpm setup and add test workflow

- Add packageManager field to root package.json
- Upgrade pnpm/action-setup to v4 in deploy.yml
- Create ci.yml workflow for build and test

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

Author: sealday

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: pnpm
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Build
+        run: pnpm build
+
+      - name: Test
+        run: pnpm test

.github/workflows/deploy.yml

@@ -24,9 +24,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0 # Not needed if lastUpdated is not enabled
-      - uses: pnpm/action-setup@v3 # pnpm is optional but recommended, you can also use npm / yarn
-        with:
-          version: 9
+      - uses: pnpm/action-setup@v4
       - name: Setup Node
         uses: actions/setup-node@v4
         with:

package.json

@@ -2,6 +2,7 @@
   "name": "@tachybase/sheet-monorepo",
   "private": true,
   "type": "module",
+  "packageManager": "pnpm@9.15.4",
   "scripts": {
     "build": "pnpm -r build",
     "dev": "pnpm -C packages/demo dev",