fix(ci): 健康检查改为校验 JSON code(ApiResponse 错误也返回 HTTP 200), 修正 test 站点 siteKey 硬编码笔误

.gitea/workflows/promote-prod.yml

@@ -80,7 +80,9 @@ jobs:
             docker logs tianai-captcha 2>&1 | tail -3
           '
 
-      - name: Health check prod (generate + secondary-verify 探针)
+      - name: Health check prod (generate API, 校验 JSON code 而非 HTTP 状态)
+        env:
+          PROD_SITE_KEY: 6796bad8-4369-492f-a4d7-643a93bb07f3
         run: |
           set -e
           SSH_KEY="$HOME/.ssh/id_ed25519_deploy"
@@ -88,7 +90,7 @@ jobs:
           OK=0
           CODE=000
           for i in $(seq 1 24); do
-            CODE=$(ssh -i $SSH_KEY root@$PROD 'curl -s -o /dev/null -w "%{http_code}" -X POST "http://127.0.0.1:18200/api/challenge/generate" -H "X-Site-Key: 6796bad8-4369-492f-a4d7-643a93bb07f3"' || echo 000)
+            CODE=$(ssh -i $SSH_KEY root@$PROD "curl -s -X POST 'http://127.0.0.1:18200/api/challenge/generate' -H 'X-Site-Key: $PROD_SITE_KEY'" | python3 -c "import json,sys; print(json.load(sys.stdin).get('code'))" 2>/dev/null || echo 000)
             if [ "$CODE" = "200" ]; then OK=1; break; fi
             sleep 5
           done
@@ -98,7 +100,7 @@ jobs:
             echo "如需回滚: ssh prod1 后执行 docker rm -f tianai-captcha 并用 backup-xxx 标签重建容器"
             exit 1
           fi
-          echo "生产环境健康检查 OK (HTTP $CODE)"
+          echo "生产环境健康检查 OK (code=$CODE)"
 
       - name: Promotion summary
         if: always()