* fix: skip token expiry notifications for debugger and mcp-oauth tokens Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * fix: update frontend isUserToken to match backend filter Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * chore: add cross-reference comments to token filter functions Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>