fix(cicd): capture actual build/deploy logs in failure report

Replace docker/build-push-action with shell command to capture
stdout/stderr. Include real error output in Log Center report
so repair agent can diagnose CI/CD failures.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitea/workflows/deploy.yaml

@@ -28,12 +28,15 @@ jobs:
           password: ${{ secrets.SWR_PASSWORD }}
 
       - name: Build and Push Backend
-        uses: docker/build-push-action@v4
-        with:
-          context: .
-          push: true
-          provenance: false
-          tags: ${{ secrets.SWR_SERVER }}/${{ secrets.SWR_ORG }}/rtc-backend:latest
+        id: build
+        run: |
+          docker buildx build \
+            --push \
+            --provenance=false \
+            --tag ${{ secrets.SWR_SERVER }}/${{ secrets.SWR_ORG }}/rtc-backend:latest \
+            . 2>&1 | tee /tmp/build.log
+          echo "build_exit_code=${PIPESTATUS[0]}" >> $GITHUB_OUTPUT
+          exit ${PIPESTATUS[0]}
 
       - name: Setup Kubectl
         run: |
@@ -48,6 +51,7 @@ jobs:
           kubeconfig: ${{ secrets.KUBE_CONFIG }}
 
       - name: Update K8s Manifests
+        id: deploy
         run: |
           # 1. 判断分支，决定使用哪个配置文件
           if [[ "${{ github.ref_name }}" == "main" || "${{ github.ref_name }}" == "master" ]]; then
@@ -65,15 +69,40 @@ jobs:
           # 2. 替换镜像地址
           sed -i "s|\${CI_REGISTRY_IMAGE}/backend:latest|${{ secrets.SWR_SERVER }}/${{ secrets.SWR_ORG }}/rtc-backend:latest|g" $DEPLOY_FILE
 
-          # 3. 应用配置
-          kubectl apply -f $DEPLOY_FILE
-          kubectl apply -f $INGRESS_FILE
-
-          kubectl rollout restart deployment/$DEPLOY_NAME
+          # 3. 应用配置并捕获输出
+          {
+            kubectl apply -f $DEPLOY_FILE
+            kubectl apply -f $INGRESS_FILE
+            kubectl rollout restart deployment/$DEPLOY_NAME
+          } 2>&1 | tee /tmp/deploy.log
 
       - name: Report failure to Log Center
         if: failure()
         run: |
+          # 收集构建和部署日志（取最后 50 行）
+          BUILD_LOG=""
+          DEPLOY_LOG=""
+          FAILED_STEP="unknown"
+
+          if [ -f /tmp/build.log ]; then
+            BUILD_LOG=$(tail -50 /tmp/build.log | sed 's/"/\\"/g' | sed ':a;N;$!ba;s/\n/\\n/g')
+            FAILED_STEP="build"
+          fi
+          if [ -f /tmp/deploy.log ]; then
+            DEPLOY_LOG=$(tail -50 /tmp/deploy.log | sed 's/"/\\"/g' | sed ':a;N;$!ba;s/\n/\\n/g')
+            if [ -n "$DEPLOY_LOG" ]; then
+              FAILED_STEP="deploy"
+            fi
+          fi
+
+          # 如果构建日志为空（action 级别失败），标记步骤
+          if [ -z "$BUILD_LOG" ] && [ -z "$DEPLOY_LOG" ]; then
+            BUILD_LOG="No captured output. Check Gitea Actions UI for details."
+            FAILED_STEP="pre-build"
+          fi
+
+          ERROR_LOG="${BUILD_LOG}${DEPLOY_LOG}"
+
           curl -s -X POST "https://qiyuan-log-center-api.airlabs.art/api/v1/logs/report" \
             -H "Content-Type: application/json" \
             -d "{
@@ -85,19 +114,15 @@ jobs:
               \"repo_url\": \"https://gitea.airlabs.art/zyc/rtc_backend.git\",
               \"error\": {
                 \"type\": \"CICDFailure\",
-                \"message\": \"Build and Deploy failed on branch ${{ github.ref_name }}\",
-                \"stack_trace\": [
-                  \"Repository: ${{ github.repository }}\",
-                  \"Branch: ${{ github.ref_name }}\",
-                  \"Commit: ${{ github.sha }}\",
-                  \"Run ID: ${{ github.run_id }}\",
-                  \"Actor: ${{ github.actor }}\"
-                ]
+                \"message\": \"[${FAILED_STEP}] Build and Deploy failed on branch ${{ github.ref_name }}\",
+                \"stack_trace\": [\"${ERROR_LOG}\"]
               },
               \"context\": {
                 \"workflow\": \"${{ github.workflow }}\",
                 \"run_id\": \"${{ github.run_id }}\",
                 \"branch\": \"${{ github.ref_name }}\",
-                \"actor\": \"${{ github.actor }}\"
+                \"actor\": \"${{ github.actor }}\",
+                \"failed_step\": \"${FAILED_STEP}\",
+                \"commit\": \"${{ github.sha }}\"
               }
             }" || true