Align backend plan with codebase

.gitea/workflows/ci.yaml

@@ -449,6 +449,10 @@ jobs:
           node-version: "${{ env.NODE_VERSION }}"
           cache: npm
       - run: npm ci --no-audit --fund=false
+      - name: Prisma schema
+        run: npx prisma validate
+        env:
+          DATABASE_URL: postgresql://ci:ci@127.0.0.1:5432/ci
       - run: npm run lint
       - run: npm exec prettier -- --check "**/*.{js,jsx,ts,tsx,json,css,md}"