Retain one selection-property subtree while frame presets are shown. Suspend opted-in descendant scopes after cleanup, cancel drafts before detachment can blur inputs, close portals, and release previews and pending resource work.
Track focused-element removal with VueUse so WebKit shortcuts resume after input teardown. Cover retained identity, hidden inactivity, binding rollback, async disposal, undo, popup reactivation and browser focus behavior.
- 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
