fix: Use correct Meticulous action path and build frontend

- Use alwaysmeticulous/report-diffs-action/upload-assets@v1
- Build frontend before running tests
- Point to correct dist directory
- Fixes action resolution error

Author: RPD123-byte

.github/workflows/meticulous-tests.yml

@@ -24,10 +24,25 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: '10.18.3'
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build frontend
+        run: pnpm --filter=n8n-editor-ui build
+
       - name: Run Meticulous tests
-        uses: alwaysmeticulous/report-diffs-action@v1
+        uses: alwaysmeticulous/report-diffs-action/upload-assets@v1
         with:
           api-token: ${{ secrets.METICULOUS_API_TOKEN }}
-          # Test against your live production n8n instance
-          base-url: 'http://a414a6a1e26174420a74aa4eb4ae4df3-1583809330.us-west-2.elb.amazonaws.com:5678'
+          app-directory: 'packages/frontend/editor-ui/dist'