move job scheduling to DB

backend/app/api/sources.py

@@ -8,6 +8,7 @@ from sqlalchemy.orm import selectinload
 from app.models.source import Source
 from app.models.subscription import Subscription
 from app.tasks.downloads import download_source
+from app.api.settings import get_setting_value
 
 bp = Blueprint("sources", __name__)
 
@@ -100,12 +101,17 @@ async def create_source():
         if existing.scalar():
             return jsonify({"error": "Source with this platform and URL already exists"}), 409
 
+        # Get default check interval from database settings
+        default_interval = await get_setting_value(
+            session, "download.schedule_interval", 3600
+        )
+
         source = Source(
             subscription_id=data["subscription_id"],
             platform=data["platform"],
             url=data["url"],
             enabled=data.get("enabled", True),
-            check_interval=data.get("check_interval", 3600),
+            check_interval=data.get("check_interval", default_interval),
             metadata_=data.get("metadata", {}),
         )