feat(aiot): 告警生成时异步上报运维平台

- 边缘告警入库后异步 POST 到运维平台 /admin-api/ops/alarm/receive
- 提前提取 ORM 字段避免异步执行时 session 关闭导致属性为空
- event_time 转为 ISO 字符串格式，修复时间显示为 1970 的问题
- 请求参数含 alarmId、alarmType、deviceId、eventTime、alarmLevel、notifyUserIds、tenantId

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

app/routers/yudao_aiot_alarm.py

@@ -15,12 +15,15 @@ API 路径规范：
 from fastapi import APIRouter, Query, Depends, HTTPException
 from typing import Optional
 from datetime import datetime
+import httpx
+import asyncio
 
 from app.yudao_compat import YudaoResponse, get_current_user
 from app.services.alarm_event_service import get_alarm_event_service, AlarmEventService
 from app.services.notification_service import get_notification_service
 from app.services.oss_storage import get_oss_storage
 from app.schemas import EdgeAlarmReport
+from app.utils.logger import logger
 
 router = APIRouter(prefix="/admin-api/aiot/alarm", tags=["AIoT-告警"])
 
@@ -285,6 +288,16 @@ async def edge_alarm_report(
     except Exception:
         pass  # WebSocket 通知失败不影响主流程
 
+    # 异步上报运维平台（提前提取字段，避免 ORM session 关闭后无法访问）
+    ops_data = {
+        "alarm_id": alarm.alarm_id,
+        "alarm_type": alarm.alarm_type,
+        "device_id": alarm.device_id,
+        "event_time": alarm.event_time.strftime("%Y-%m-%dT%H:%M:%S") if isinstance(alarm.event_time, datetime) else str(alarm.event_time or ""),
+        "alarm_level": alarm.alarm_level or 2,
+    }
+    asyncio.create_task(_notify_ops_platform(ops_data))
+
     return YudaoResponse.success({
         "alarmId": alarm.alarm_id,
         "created": True,
@@ -293,6 +306,31 @@ async def edge_alarm_report(
 
 # ==================== 辅助函数 ====================
 
+OPS_ALARM_URL = "http://192.168.0.104:48080/admin-api/ops/alarm/receive"
+
+
+async def _notify_ops_platform(data: dict):
+    """异步上报告警到运维平台（失败不影响主流程）"""
+    payload = {
+        "alarmId": data["alarm_id"],
+        "alarmType": data["alarm_type"],
+        "deviceId": data["device_id"],
+        "eventTime": data["event_time"],
+        "alarmLevel": data["alarm_level"],
+        "notifyUserIds": [1],
+        "tenantId": 1,
+    }
+    try:
+        async with httpx.AsyncClient(timeout=10) as client:
+            resp = await client.post(OPS_ALARM_URL, json=payload)
+            if resp.status_code == 200:
+                logger.info(f"运维平台上报成功: {data['alarm_id']}, resp={resp.text[:200]}")
+            else:
+                logger.warning(f"运维平台上报失败: status={resp.status_code}, body={resp.text[:200]}")
+    except Exception as e:
+        logger.warning(f"运维平台上报异常: {e}")
+
+
 def _get_alarm_type_name(alarm_type: Optional[str]) -> str:
     """获取告警类型名称"""
     type_names = {