Adds widgets and header/background theme mods, integer galleryIds, wider pre-filter, regex failures as possible usages, newest-first candidates, and usages_complete/usages_truncated in media-get. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7