v1.2.0 - Landing page, app shell + mobile overhaul, bull logo

- Landing hero + sections inside the shell (home at /, Latest Filings at /latest)
- Full-height sidebar with logo-as-toggle (persisted) + content top-navbar
- Mobile: nav drawer, reachable search, table->card layouts across all pages
- New theme-aware bull + mountain logo (blue mountains) + favicons
- Centralized routes (lib/routes.ts) and in-page search (matchesQuery)
- New Consensus icon; tests for routes + utils; docs updated

v1.1.0 — UI redesign + sector classification + perf & bug fixes