[Chore/Refactor] Switch from MyPy to Basedpyright for type checking (#25047)

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/schedule/clean_workflow_runlogs_precise.py

@@ -77,7 +77,7 @@ def clean_workflow_runlogs_precise():
 
         logger.info("Cleanup completed: %s expired workflow run logs deleted", total_deleted)
 
-    except Exception as e:
+    except Exception:
         db.session.rollback()
         logger.exception("Unexpected error in workflow log cleanup")
         raise
@@ -149,7 +149,7 @@ def _delete_batch_with_retry(workflow_run_ids: list[str], attempt_count: int) ->
         db.session.commit()
         return True
 
-    except Exception as e:
+    except Exception:
         db.session.rollback()
         logger.exception("Batch deletion failed (attempt %s)", attempt_count + 1)
         return False