update: delete schedule

backend/src/backend/api/schedules/schedules.py

@@ -556,6 +556,7 @@ async def create_schedule(
         select(Schedules).where(
             Schedules.workspace_id == context.workspace.workspace_id,
             Schedules.schedule_name == payload.schedule_name,
+            Schedules.is_deleted == 0,
             Schedules.deleted_at.is_(None),
         )
     )
@@ -645,6 +646,7 @@ async def update_schedule(
                 Schedules.workspace_id == context.workspace.workspace_id,
                 Schedules.schedule_name == payload.schedule_name,
                 Schedules.schedule_id != schedule_id,
+                Schedules.is_deleted == 0,
                 Schedules.deleted_at.is_(None),
             )
         )
@@ -753,6 +755,7 @@ async def delete_schedule(
     item.next_run_at = None
     item.deleted_at = _mysql_utc(datetime.now(UTC))
     item.updated_by = context.user.user_id
+    item.is_deleted = 1
     item.workflow_version += 1
     await session.flush()
     return {