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.github/workflows/ci.yml

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+name: CI
+
+on:
+  pull_request:
+    branches: [dev]
+  push:
+    branches: [main]
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Type check
+        run: npx tsc --noEmit
+
+      - name: Build
+        run: npm run build
+        env:
+          NEXT_PUBLIC_SUPABASE_URL: ${{ secrets.NEXT_PUBLIC_SUPABASE_URL }}
+          NEXT_PUBLIC_SUPABASE_PUBLISHABLE_KEY: ${{ secrets.NEXT_PUBLIC_SUPABASE_PUBLISHABLE_KEY }}
+          SUPABASE_SECRET_KEY: ${{ secrets.SUPABASE_SECRET_KEY }}