采集任务支持手动触发 + 定时调度(cron)

后端:
- 新增 Scheduler + ScheduledTask 核心模块(croniter 解析 cron 表达式)
- 新增 Schedule 数据模型(alembic 0016)
- 新增 /api/v1/admin/schedules CRUD 接口
- lifespan 启动时注册默认定时任务并加载数据库配置
- 默认任务:每日比赛/积分榜/30分钟统计回填(默认禁用)

前端:
- 设置页新增「定时任务」管理区块
- 支持:新建/启用禁用/立即执行/删除定时任务
- 显示:任务ID、类型、cron表达式、上次执行时间/状态

依赖:新增 croniter>=2.0

Co-Authored-By: new-provider/LongCat-2.0 <<EMAIL>>

src/api/app.py

@@ -22,11 +22,43 @@ async def lifespan(app: FastAPI) -> AsyncIterator[None]:
         migrate_plaintext_sensitive_settings,
     )
     from src.core.security_check import assert_security_on_startup
+    from src.core.scheduler import scheduler
+    from src.api.routes.schedules import _run_scheduled_task
+    from src.data.config import BZZOIRO_LEAGUE_IDS
     await init_db()  # 验证连接,不建表
     await migrate_plaintext_sensitive_settings()  # 明文敏感配置 → 加密(幂等)
     await ensure_admin_password_hashed()  # .env 明文密码 → scrypt 哈希(幂等)
     await assert_security_on_startup()  # 启动安全校验(生产拒绝/开发警告)
+
+    # 注册默认定时任务(如果数据库中没有)
+    from src.db.base import AsyncSessionLocal
+    from sqlalchemy import select
+    from src.db.models import Schedule
+    async with AsyncSessionLocal() as session:
+        existing = (await session.execute(select(Schedule.id))).scalars().all()
+        if "daily-events" not in existing:
+            session.add(Schedule(id="daily-events", task="events", cron="0 8 * * *", enabled=False))
+        if "daily-standings" not in existing:
+            session.add(Schedule(id="daily-standings", task="standings", cron="0 9 * * *", enabled=False))
+        if "daily-stats" not in existing:
+            session.add(Schedule(id="daily-stats", task="stats", cron="*/30 * * * *", enabled=False))
+        await session.commit()
+
+    # 从数据库加载所有启用的定时任务
+    async with AsyncSessionLocal() as session:
+        schedules = (await session.execute(select(Schedule).where(Schedule.enabled))).scalars().all()
+        for s in schedules:
+            leagues = s.leagues.split(",") if s.leagues else list(BZZOIRO_LEAGUE_IDS.keys())
+            scheduler.register(
+                s.id, s.task,
+                lambda sid=s.id: _run_scheduled_task(sid),
+                enabled=s.enabled,
+            )
+
+    await scheduler.start()
+    logger.info("应用启动完成")
     yield
+    await scheduler.stop()
     await close_client()
 
 
@@ -62,6 +94,7 @@ def create_app() -> FastAPI:
     from src.api.routes.backtest import router as backtest_router
     from src.api.routes.auth import router as auth_router
     from src.api.routes.admin_settings import router as admin_settings_router
+    from src.api.routes.schedules import router as schedules_router
 
     app.include_router(matches_router)
     app.include_router(predict_router)
@@ -70,6 +103,7 @@ def create_app() -> FastAPI:
     app.include_router(backtest_router)
     app.include_router(auth_router)
     app.include_router(admin_settings_router)
+    app.include_router(schedules_router)
 
     @app.get("/health")
     async def health():