- Dispose CanvasKit dash effects and render nested frame guides
- Validate imported guide GUIDs and invalidate stale raw guide metadata
- Resolve frame owners through nested hit ancestry and require primary-button ruler drags
- Share guide preview types through a neutral editor module
- Reject corrupt compressed Kiwi chunks instead of accepting raw garbage\n- Tolerate legacy source metadata without editedFields in renderer fallbacks\n- Align font, derived glyph, shared style, renderer mock, and ownership tests with current contracts\n- Restore clean quick and heavy unit quality gates
- Track normalized edited fields in SceneGraph without naming Figma payload fields\n- Preserve original raw provenance while filtering stale values through Fig-owned effective readers\n- Rewire export and renderer fallbacks and add package, SceneGraph, and exhaustive round-trip coverage
