fix: 连接 Pipeline 到爬取流程 + 夜间跳过 + 断网恢复

- CrawlService.run_spider 现在自动调用 PostCrawlPipeline（爬取→存储→筛选→去重→推送）
- 定时任务添加 22:00-06:00 夜间跳过逻辑
- 断网恢复后不会漏公告：爬虫每次从 API 按日期倒序抓取，未推送的公告下次自动补推
- Pipeline 的 _exclude_sent + mark_sent 防止重复推送

app/scheduler/jobs.py

@@ -1,4 +1,6 @@
 import logging
+from datetime import datetime, time
+from zoneinfo import ZoneInfo
 
 from apscheduler.schedulers.asyncio import AsyncIOScheduler
 from apscheduler.triggers.cron import CronTrigger
@@ -9,19 +11,38 @@ from app.config import settings
 logger = logging.getLogger(__name__)
 scheduler = AsyncIOScheduler()
 
+NIGHT_START = time(22, 0)
+NIGHT_END = time(6, 0)
+TZ = ZoneInfo("Asia/Shanghai")
+
+
+def _is_night_time() -> bool:
+    """22:00 ~ 次日 06:00 夜间时段"""
+    current = datetime.now(TZ).time()
+    return current >= NIGHT_START or current < NIGHT_END
+
 
 async def scheduled_crawl():
+    if _is_night_time():
+        logger.info("夜间时段 (22:00-06:00)，跳过爬取")
+        return
+
     logger.info("开始定时爬取任务")
     service = get_crawl_service()
-    names = service.get_spider_names()
-    for name in names:
+    for name in service.get_spider_names():
         try:
             results = await service.run_spider(name)
             for r in results:
                 if not r.success:
                     logger.error(f"Spider {name} 失败: {r.error_message}")
+                elif r.pipeline_result:
+                    logger.info(
+                        f"Spider {name}: 抓取{r.total_count}条, "
+                        f"新增{r.pipeline_result.stored}条, "
+                        f"通知{r.pipeline_result.notified}条"
+                    )
                 else:
-                    logger.info(f"Spider {name} 完成: {r.total_count} 条")
+                    logger.info(f"Spider {name}: 抓取{r.total_count}条 (无新增)")
         except Exception as e:
             logger.error(f"Spider {name} 异常: {e}")
     logger.info("定时爬取任务完成")
@@ -30,7 +51,7 @@ async def scheduled_crawl():
 def start_scheduler():
     if not settings.scheduler_enabled:
         return
-    trigger = CronTrigger.from_crontab(settings.scheduler_cron, timezone="Asia/Shanghai")
+    trigger = CronTrigger.from_crontab(settings.scheduler_cron, timezone=TZ)
     scheduler.add_job(
         scheduled_crawl,
         trigger=trigger,