- Discard stale provider refreshes and queued previews
- Guard malformed deflate data and listener failures
- Start periodic refresh without an immediate callback
- Validate ranged thumbnail payloads and S3 bounds
- Invalidate stale previews and expose loading errors
- Document the public document workspace composable
- Load embedded Figma thumbnails through bounded S3 byte-range requests
- Add a headless Vue workspace composable with lazy previews and refresh lifecycle
- Cache local previews and refresh the workspace after saves and synchronization
