canvas-website/backlog/tasks/task-005 - Automerge-CRDT-Sync.md

id	title	status	assignee	created_date	updated_date	labels	dependencies	priority
task-005	Automerge CRDT Sync	Done		2025-12-03	2025-12-05 03:41	feature sync collaboration		high

Description

Implement Automerge CRDT-based synchronization for real-time collaborative canvas editing.

Branch Info

• Branch: Automerge

Acceptance Criteria

• #1 Integrate Automerge library
• #2 Enable real-time sync between clients
• #3 Handle conflict resolution automatically
• #4 Persist state across sessions

Implementation Notes

Binary Automerge sync implemented:

• CloudflareNetworkAdapter sends/receives binary sync messages
• Worker sends initial sync on connect
• Message buffering for early server messages
• documentId tracking for proper Automerge Repo routing
• Multi-client sync verified working