Use when implementing or refining the preview-centric timeline UI and related save/detail interactions for this project, including responsive behavior and touch-first operation; do not use for backend-only work.
Use this skill when:
Do not use this skill when:
docs/illustration_versioning_spec_google_first.mddocs/persona_ipad_procreate_uiux.md$ui-proportion-guide for major layout balance.$ipad-touch-ux-audit for touch/responsive checks.$self-review-gate.## Self-Review.