finishing QDRO section

app/database/schema_updates.py

@@ -117,6 +117,17 @@ def ensure_schema_updates(engine: Engine) -> None:
         "separation_agreements": {
             "version": "VARCHAR(10)",
         },
+        # QDROs: add explicit created_at and workflow fields if missing
+        "qdros": {
+            "created_at": "DATETIME",
+            "approval_status": "VARCHAR(45)",
+            "approved_date": "DATE",
+            "filed_date": "DATE",
+        },
+        # Users: add approver flag
+        "users": {
+            "is_approver": "BOOLEAN",
+        },
     }
 
     with engine.begin() as conn: