update

scripts/check_key_age.py

@@ -1,10 +1,9 @@
 #!/usr/bin/env python3
 """Check API key age and alert if rotation needed."""
 
-import os
 import re
 import sys
-from datetime import datetime, timedelta, timezone
+from datetime import datetime, timezone
 from pathlib import Path
 
 
@@ -46,7 +45,7 @@ def main() -> None:
     critical = []
 
     for metadata_file in sorted(metadata_files):
-        with open(metadata_file, "r") as f:
+        with open(metadata_file, "r", encoding="utf-8") as f:
             content = f.read()
 
         # Extract metadata