feat: add export history, scheduling, bookmarks rows; update feature list
New table rows (UX & Extras section):
- Export room history: Lotus ✓ (txt/json/html, date range, E2EE), Element ✓
- Message scheduling: Lotus ✓ (MSC4140), Element ~, others ✗
- Message bookmarks: Lotus ✓, Element ✓, others ✗
also-available paragraph: prepended June 2026 feature groups — message
scheduling, saved messages, history export, activity/mod log, server ACL
editor, room stats, opt-in compression, 13 domain-specific URL preview
cards (YouTube, TikTok, Twitch, Reddit, X/Twitter, Spotify, Steam, IMDb,
Vimeo, GitHub, Discord, npm, Stack Overflow)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
jared
60c215c63d