21e9173508
6 epics, 34 stories, 44/44 FRs covered. Includes party mode review fixes: sticker canvas split into interaction + state persistence stories, zero-device upload edge case AC, FrameCard offline/sync-fail states, and scheduler setup story. All stories have Given/When/Then AC and no forward dependencies. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>