Vendor whynot-design Layer 1 (tokens, CSS) and Layer 2 (<wn-*>
components) via scripts/sync-whynot-design.sh with a pinned ref.
Migrate the observatory shell to canonical web components, keep
observatory-specific layout in styles.css, and add vendor integrity
tests plus correct JS MIME types on the dev server.
Introduce ui/ dashboard (dark observatory layout), JSON API, and local
dev server. All metrics load from expense and payment record ledgers.
Links Claude design reference for visual alignment.
