Plan for extracting duplicated MapLibre init into a shared MapUtils.initEntryMap(opts). Incorporates ce-doc-review findings: card-absent fallback invariant scoped (no-op→navigate), exact isLatest predicate, and the home-map attribution restyle documented as an intentional change. Filter-hidden-card click left as a noted known limitation. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01BftDn9vu9SonFAY4vxu4uk