Make runtime provenance operator script directly executable

scripts/migrate_runtime_model_provenance.py

@@ -10,6 +10,13 @@ import sys
 import tempfile
 from typing import Any
 
+# Direct execution from /app/scripts sets sys.path[0] to that directory rather
+# than the container application root. Keep the operator command self-contained
+# without requiring an undocumented PYTHONPATH override.
+APP_ROOT = Path(__file__).resolve().parents[1]
+if str(APP_ROOT) not in sys.path:
+    sys.path.insert(0, str(APP_ROOT))
+
 from app.db.session import SessionLocal
 from app.services.data_contract_validation import (
     PYTORCH_MODEL_CONTRACT_KEY,