feat: Enhance scheduler and watcher with improved logging and cron trigger helpers

app/main.py

@@ -156,6 +156,7 @@ async def save_schedule(settings: ScheduleSettings):
         auto_watch=settings.autoWatch
     )
     update_scheduler_job()
+    logger.info(f"Schedule settings updated via API. Mode: {settings.mode}")
     return {"status": "success", "message": "Schedule updated"}