refactor(*): 代码质量 - 优化前后端实现并完善协议与画布验证

.github/workflows/quality.yml

@@ -62,7 +62,14 @@ jobs:
           sudo apt-get install -y -qq redis-server
           sudo systemctl stop redis-server || true
       - name: Check formatting
-        run: test -z "$(gofmt -l .)"
+        shell: bash
+        run: |
+          unformatted="$(gofmt -l .)"
+          if [ -n "$unformatted" ]; then
+            printf '%s\n' "$unformatted"
+            echo "::error::Go files require gofmt. Run gofmt -w on the files listed above."
+            exit 1
+          fi
       - name: Run Go tests
         shell: bash
         run: |