fix: rewrite workflows without GitHub marketplace actions

- Use native git clone instead of actions/checkout
- Use node:22-bookworm container directly
- Remove dependency on actions/setup-node, upload-artifact
- Use curl for Gitea API calls directly
- Fixes CI failure on self-hosted runner

.gitea/workflows/ci.yml

@@ -7,18 +7,17 @@ on:
     branches: [main]
 
 jobs:
-  test:
-    name: Unit Tests
+  test-and-build:
+    name: Test & Build
     runs-on: ubuntu-latest
+    container:
+      image: node:22-bookworm
+
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '22'
-          cache: 'npm'
+        run: |
+          git clone ${{ gitea.server_url }}/${{ gitea.repository }}.git .
+          git checkout ${{ gitea.sha }}
 
       - name: Install dependencies
         run: npm ci
@@ -27,31 +26,13 @@ jobs:
         run: npm run typecheck
 
       - name: Run unit tests
-        run: npm test
-
-  build:
-    name: Build Extension
-    runs-on: ubuntu-latest
-    needs: test
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '22'
-          cache: 'npm'
-
-      - name: Install dependencies
-        run: npm ci
+        run: npm test -- --run
 
       - name: Build extension
         run: npm run build
 
-      - name: Upload build artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: lexai-chrome-mv3-${{ github.sha }}
-          path: .output/chrome-mv3/
-          retention-days: 7
+      - name: Verify build output
+        run: |
+          echo "Build contents:"
+          ls -la .output/chrome-mv3/
+          echo "✅ Build successful"