- 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
- Model imported fill, stroke, text, effect, and grid style definitions and references
- Add SDK and app selectors with mixed-selection batching, detach-on-edit, and undo restoration
- Preserve style definitions through .fig export and extracted subgraphs
- Document the shared-style composable and update compatibility coverage
