feat: persist finance daily summaries

backend/app/services/scheduler.py

@@ -1,4 +1,4 @@
-"""APScheduler background scheduler for upstream checks."""
+"""APScheduler background scheduler for upstream checks and daily tasks."""
 from __future__ import annotations
 
 import json
@@ -8,6 +8,7 @@ from typing import Any
 
 from apscheduler.executors.pool import ThreadPoolExecutor
 from apscheduler.schedulers.background import BackgroundScheduler
+from apscheduler.triggers.cron import CronTrigger
 from sqlalchemy.orm import Session
 
 from app.database import SessionLocal
@@ -365,6 +366,16 @@ def start_scheduler() -> None:
             max_instances=1,
             misfire_grace_time=3600,
         )
+        # Daily finance summary at 00:05 Asia/Shanghai
+        _scheduler.add_job(
+            _compute_finance_daily_summary,
+            trigger=CronTrigger(timezone="Asia/Shanghai", hour=0, minute=5),
+            id="finance_daily_summary",
+            replace_existing=True,
+            coalesce=True,
+            max_instances=1,
+            misfire_grace_time=3600,
+        )
         logger.info("scheduler started with %d upstream job(s)", len(upstreams))
     finally:
         db.close()
@@ -383,6 +394,28 @@ def _cleanup_external_logs() -> None:
         db.close()
 
 
+def _compute_finance_daily_summary() -> None:
+    """Compute and save finance daily summary for yesterday (Asia/Shanghai).
+
+    Runs daily at 00:05 Asia/Shanghai. Delegates to save_summary_if_absent
+    which handles the skip-if-exists logic and concurrent-save race.
+    """
+    from app.services.finance_service import yesterday_shanghai, save_summary_if_absent
+
+    target = yesterday_shanghai()
+    db = SessionLocal()
+    try:
+        saved = save_summary_if_absent(db, target)
+        if saved:
+            logger.info("finance daily summary for %s saved", target)
+        else:
+            logger.info("finance daily summary for %s already exists, skipping", target)
+    except Exception:
+        logger.exception("failed to compute finance daily summary for %s", target)
+    finally:
+        db.close()
+
+
 def stop_scheduler() -> None:
     if _scheduler.running:
         _scheduler.shutdown(wait=True)