fix: 修正 CI deploy 流程

- 备份镜像提前到 build 前执行，确保回滚的是旧版本
- health check 改用 top-level await 避免 bun 异步退出时序问题
- 移除不必要的 --force-recreate（compose 已自动检测镜像变化）

.gitea/workflows/deploy.yml

@@ -69,7 +69,7 @@ jobs:
         run: |
           sleep 10
           for i in {1..5}; do
-            if bun -e "fetch('http://localhost:3001/v1/health').then(r=>r.ok?process.exit(0):process.exit(1)).catch(()=>process.exit(1))"; then
+            if bun -e "try{const r=await fetch('http://localhost:3001/v1/health');process.exit(r.ok?0:1)}catch{process.exit(1)}"; then
               echo "Test environment is healthy!"
               exit 0
             fi
@@ -92,22 +92,20 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Backup current image
+        run: docker tag duoqi-api:prod duoqi-api:rollback 2>/dev/null || true
+
       - name: Build production image
         run: docker build -t duoqi-api:prod .
 
       - name: Deploy production
-        run: |
+        run: docker compose -f /opt/duoqi-api/docker-compose.yml up -d --no-build api-prod
-          # 备份当前镜像（用于回滚）
-          docker tag duoqi-api:prod duoqi-api:rollback 2>/dev/null || true
-
-          # 滚动更新
-          docker compose -f /opt/duoqi-api/docker-compose.yml up -d --no-build api-prod
 
       - name: Health check
         run: |
           sleep 15
           for i in {1..5}; do
-            if bun -e "fetch('http://localhost:3000/v1/health').then(r=>r.ok?process.exit(0):process.exit(1)).catch(()=>process.exit(1))"; then
+            if bun -e "try{const r=await fetch('http://localhost:3000/v1/health');process.exit(r.ok?0:1)}catch{process.exit(1)}"; then
               echo "Production deployment successful!"
               exit 0
             fi
@@ -118,7 +116,7 @@ jobs:
           # 健康检查失败，自动回滚
           echo "Health check failed! Rolling back..."
           docker tag duoqi-api:rollback duoqi-api:prod
-          docker compose -f /opt/duoqi-api/docker-compose.yml up -d --no-build api-prod
+          docker compose -f /opt/duoqi-api/docker-compose.yml up -d --force-recreate --no-build api-prod
           exit 1
 
       - name: Cleanup