Method _parse_at_expires

src/services/token_manager.py:79–85

(self, value: Optional[str])

            return 120

    def _parse_at_expires(self, value: Optional[str]) -> Optional[datetime]:
        if not value:
            return None
        try:
            return datetime.fromisoformat(str(value).replace("Z", "+00:00"))
        except Exception:
            return None

    def _as_utc(self, value: Optional[datetime]) -> Optional[datetime]:
        if not value: