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canvas-website/backlog/tasks/task-001 - offline-local-st...

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id title status assignee created_date updated_date labels dependencies priority
task-001 offline local storage To Do
2025-12-03 23:42 2025-12-04 20:27
feature
offline
persistence
indexeddb
high

Description

IndexedDB persistence is already implemented via @automerge/automerge-repo-storage-indexeddb. The remaining work is:

  1. Add real online/offline detection (currently always returns "online")
  2. Create UI indicator showing connection status
  3. Handle Safari's 7-day IndexedDB eviction

Existing code locations:

  • src/automerge/useAutomergeSyncRepo.ts (lines 346, 380-432)
  • src/automerge/useAutomergeStoreV2.ts (connectionStatus property)
  • src/automerge/documentIdMapping.ts (room→document mapping)

Acceptance Criteria

  • #1 Real WebSocket connection state tracking (not hardcoded 'online')
  • #2 navigator.onLine integration for network detection
  • #3 UI indicator component showing connection status
  • #4 Visual feedback when working offline
  • #5 Auto-reconnect with status updates
  • #6 Safari 7-day eviction mitigation (service worker or periodic touch)