feat: 接入企微智能机器人——异常报警/数据核验日报/设备健康日报

- flows/shared/wecom.py: WSClient 按需连接(连接→认证→发送→断开),全容错,超长分段
- flows/monitor/alert_failure.py: Prefect 事件触发(Failed/Crashed→run deployment),发群报警
- flows/monitor/daily_report.py: 每日 18:30 近7天 RIIN/SDS 核验(复用 verify)+商品完整性+OCR+失败回顾
- flows/monitor/device_check.py: 每日 09:00 内存/磁盘/GPU(80%阈值)+Docker 容器异常+服务探活
- db.py: 新增 get_goods_integrity/ping; compose worker 挂载 docker.sock+/:/host:ro+GPU
- scripts/wecom_capture_chatid.py: 一次性捕获群 chat_id 工具

flows/shared/__init__.py

@@ -17,6 +17,7 @@ from flows.shared.clients import (
 )
 from flows.shared.db import SyncDB
 from flows.shared.mappers import GoodsUpsertInput, OrderUpsertInput
+from flows.shared.wecom import send_markdown, send_text
 
 __all__ = [
     "clients", "db", "mappers", "SyncDB",
@@ -26,4 +27,5 @@ __all__ = [
     "get_channel_type_map", "refresh_channel_type_map", "resolve_courier_source",
     "format_date", "start_of_day", "floor_to_hour",
     "build_stats_rows", "emit_sync_summary", "emit_verify_report",
+    "send_markdown", "send_text",
 ]