Run pinned Node integration tests on host

.gitea/workflows/backend-quality-gate.yml

@@ -83,10 +83,39 @@ jobs:
           docker compose version --short | grep -Eq '^v?2\.'
           docker compose --help | grep -q -- '--project-name'
 
-      - name: Verify runner Node tooling
+      - name: Prepare pinned Node tooling
+        env:
+          NODE_TOOL_SOURCE_IMAGE: swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/library/node:22-bookworm-slim@sha256:ef343465b6a14bbdf2ab52f6e100ec0659a792464fcf72c462370d88b3df909c
+          NODE_TOOL_IMAGE: node:22-bookworm-slim
         run: |
           set -euo pipefail
-          node --version
+          if ! docker image inspect "$NODE_TOOL_SOURCE_IMAGE" >/dev/null 2>&1; then
+            for attempt in 1 2 3; do
+              if timeout 180 docker pull "$NODE_TOOL_SOURCE_IMAGE"; then
+                break
+              fi
+              if [ "$attempt" -eq 3 ]; then
+                echo "Failed to preload $NODE_TOOL_IMAGE after $attempt attempts" >&2
+                exit 1
+              fi
+              sleep $((attempt * 15))
+            done
+          fi
+          docker tag "$NODE_TOOL_SOURCE_IMAGE" "$NODE_TOOL_IMAGE"
+          docker image inspect "$NODE_TOOL_IMAGE" >/dev/null
+          tool_dir="$(mktemp -d "${RUNNER_TEMP:-/tmp}/jyotisha-node-tools.XXXXXX")"
+          container_id="$(docker create "$NODE_TOOL_IMAGE")"
+          trap 'docker rm -f "$container_id" >/dev/null 2>&1 || true' EXIT
+          docker cp "$container_id:/usr/local/bin/node" "$tool_dir/node"
+          docker cp "$container_id:/usr/local/lib/node_modules/npm" "$tool_dir/npm-package"
+          docker rm "$container_id" >/dev/null
+          trap - EXIT
+          ln -s "$tool_dir/npm-package/bin/npm-cli.js" "$tool_dir/npm"
+          chmod 0755 "$tool_dir/node" "$tool_dir/npm-package/bin/npm-cli.js"
+          test -n "${GITHUB_PATH:-}"
+          printf '%s\n' "$tool_dir" >> "$GITHUB_PATH"
+          export PATH="$tool_dir:$PATH"
+          node --version | grep -Eq '^v22\.'
           npm --version
 
       - name: Preload PostgreSQL integration image