riotpiao.com/tasks/3.7-live-sync-animation.md

3.7 — Live sync animation (GREEN)

Phase: 3 — Delivery Tree (Surface E) Stage: GREEN

Depends on: 2.5, 3.6

• Live sync animation OutOfSync -> Syncing -> Synced driven by Application watch (reuse Phase 2 SSE /api/stream, add delivery event type)

Verify

# trigger an Argo sync, observe wave-ordered animation
argocd app sync homelab-root