semantic cleanup

backend/delete_running_tasks.py

@@ -1,10 +1,17 @@
 #!/usr/bin/env python3
-"""Script to delete tasks with RUNNING status from the database."""
+# [DEF:backend.delete_running_tasks:Module]
+# @PURPOSE: Script to delete tasks with RUNNING status from the database.
+# @LAYER: Utility
+# @SEMANTICS: maintenance, database, cleanup
 
 from sqlalchemy.orm import Session
 from src.core.database import TasksSessionLocal
 from src.models.task import TaskRecord
 
+# [DEF:delete_running_tasks:Function]
+# @PURPOSE: Delete all tasks with RUNNING status from the database.
+# @PRE: Database is accessible and TaskRecord model is defined.
+# @POST: All tasks with status 'RUNNING' are removed from the database.
 def delete_running_tasks():
     """Delete all tasks with RUNNING status from the database."""
     session: Session = TasksSessionLocal()
@@ -30,6 +37,8 @@ def delete_running_tasks():
         print(f"Error deleting tasks: {e}")
     finally:
         session.close()
+# [/DEF:delete_running_tasks:Function]
 
 if __name__ == "__main__":
     delete_running_tasks()
+# [/DEF:backend.delete_running_tasks:Module]