fix: 填报检查统计所有经理 (不限于已绑定企微)

之前只统计 wecom_userid IS NOT NULL 的经理导致始终 0/0,
现在统计全员，仅推送消息时跳过未绑定用户。

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

backend/app/services/scheduler.py

@@ -15,15 +15,12 @@ async def check_daily_reporting(db: AsyncSession) -> dict:
     if weekday >= 5:  # Skip weekends
         return {"status": "weekend", "date": str(today)}
 
-    # Get all managers with wecom_userid
+    # Get all managers (stats include everyone)
     result = await db.execute(
-        select(User).where(User.role == "manager", User.wecom_userid.isnot(None))
+        select(User).where(User.role == "manager")
     )
     managers = result.scalars().all()
 
-    if not managers:
-        return {"status": "ok", "date": str(today), "total_managers": 0, "reported": 0, "not_reported": 0}
-
     # Get managers who have reported today
     reported_visits = await db.execute(
         select(Visit.manager_id).where(Visit.visit_date == today)