v3.10.0 - Per-group Auto-Scan Toggle Features: - Add auto_scan_enabled setting to toggle virus scanning per group - New command: !room autoscan on/off for group admins - Auto-scan defaults to ON for all groups Fixes: - Fix auto-archive to always save files to database for !rollup tracking - Files now tracked even if MinIO upload fails Database Migrations: - 010_breakout_summary_columns.sql - Breakout room summary fields - 011_auto_scan_setting.sql - auto_scan_enabled column