- Add access check to display calendar batch query (Security L-01) - Add aria-label, color dot, disabled-during-mutation, h-8 height (UI W-01/W-02/W-03/S-01) - Add display_calendar_id to EventInvitationResponse schema (Code W-02) - Invalidate event-invitations cache on display calendar update (Code S-03) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>