feat: 系统设置新增通报时间配置 + 亮灯表30天滚动窗口 + 相关人员文案统一 + 周报数据补全

- 亮灯表从自然月改为30天滚动窗口（30/60天阈值），解决月底覆盖断崖
- 系统设置新增「定时通报时间」选择器，支局长可配置每日企微通报时刻
- 新增 SystemConfig 键值表 + scheduler_manager APScheduler 运行时重调度
- 拜访记录/导入模板/弹窗表单统一「同访人员」→「相关人员」
- 仪表盘周报数据补全：companion_names_resolved、visitor_name/phone 等字段
- 新增 weekly_report_template.xlsx 模板文件

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

backend/app/main.py

@@ -1,27 +1,14 @@
 from contextlib import asynccontextmanager
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
-from apscheduler.schedulers.asyncio import AsyncIOScheduler
+from sqlalchemy import select
 from app.config import settings
 from app.database import engine, Base, async_session
 from app.api import router as api_router
 from app.api import auth, users, customers, visits, work_plans, mini_business, key_visits
-from app.api import dashboard, upload, export, import_data, wecom, daily_notes, ai_summary
-from app.services.scheduler import check_daily_reporting, check_overdue_plans
-
-_scheduler = AsyncIOScheduler()
-
-
-async def _scheduled_check():
-    """Wrapper for APScheduler: create a fresh session and run the daily check."""
-    async with async_session() as db:
-        await check_daily_reporting(db)
-
-
-async def _scheduled_overdue_check():
-    """Check for overdue plans and remind managers (9:00 AM)."""
-    async with async_session() as db:
-        await check_overdue_plans(db)
+from app.api import dashboard, upload, export, import_data, wecom, daily_notes, ai_summary, system_config
+from app.models.system_config import SystemConfig
+from app.services.scheduler_manager import start_scheduler, shutdown_scheduler
 
 
 @asynccontextmanager
@@ -58,16 +45,29 @@ async def lifespan(app: FastAPI):
         await conn.run_sync(lambda c: c.exec_driver_sql(
             "ALTER TABLE visits ADD COLUMN IF NOT EXISTS companion_names TEXT[] DEFAULT '{}'"
         ))
+        # system_config table for v0.5
+        await conn.run_sync(lambda c: c.exec_driver_sql(
+            "CREATE TABLE IF NOT EXISTS system_config (key VARCHAR(64) PRIMARY KEY, value TEXT DEFAULT '')"
+        ))
 
-    # Start daily reporting scheduler (17:30 CST = 09:30 UTC)
-    _scheduler.add_job(_scheduled_check, "cron", hour=17, minute=30, id="daily_check")
-    _scheduler.add_job(_scheduled_overdue_check, "cron", hour=9, minute=0, id="overdue_check")
-    _scheduler.start()
+    # Read notification_time from DB (or use default 17:30)
+    notification_hour, notification_minute = 17, 30
+    async with async_session() as db:
+        row = await db.get(SystemConfig, "notification_time")
+        if row and row.value:
+            try:
+                parts = row.value.strip().split(":")
+                notification_hour, notification_minute = int(parts[0]), int(parts[1])
+            except (ValueError, IndexError):
+                pass
+
+    # Start daily reporting scheduler
+    start_scheduler(notification_hour, notification_minute)
 
     yield
 
     # Shutdown
-    _scheduler.shutdown(wait=False)
+    shutdown_scheduler()
     await engine.dispose()
 
 
@@ -101,6 +101,7 @@ app.include_router(import_data.router, prefix="/api")
 app.include_router(wecom.router, prefix="/api")
 app.include_router(daily_notes.router, prefix="/api")
 app.include_router(ai_summary.router, prefix="/api")
+app.include_router(system_config.router, prefix="/api")
 
 
 @app.get("/health")