Address round-1 claude-review nits on PR #894: - Document why offline_access is advertised unconditionally (independent of settings.enable_offline_access): per RFC 8414, scopes_supported lists what the AS *can* support, with actual issuance still gated upstream by Nextcloud. - Add a regression test proving the offline_access invariant holds on an empty FastMCP instance with no registered tools. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>