Two bugs: 1. RecentMessagesSince had msg_id IS NOT NULL filter — messages sent before EXT-007 deployment all have msg_id=NULL so nothing was returned. Removed the filter; mid-based INSERT OR IGNORE dedup is sufficient. 2. queryMessages didn't SELECT room, so gossipped messages had empty room field. Added room to SELECT and Scan in queryMessages. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>