feat(web): complete MVP0 public layout, banner, and SEO baseline

TODO.md

@@ -51,11 +51,11 @@ This file is the single source of truth for roadmap and delivery progress.
 
 - [x] [P1] Separate Next.js public app in monorepo
 - [x] [P1] App Router + TypeScript + `src/` structure
-- [~] [P1] Public app connected to shared data layer
-- [ ] [P1] Localized route structure and middleware rules
-- [ ] [P2] Public layout system (header/footer/navigation)
-- [ ] [P1] Header banner rendering from CMS-managed content
-- [ ] [P2] Basic SEO defaults (metadata, OG, sitemap, robots)
+- [x] [P1] Public app connected to shared data layer
+- [x] [P1] Localized route structure and middleware rules
+- [x] [P2] Public layout system (header/footer/navigation)
+- [x] [P1] Header banner rendering from CMS-managed content
+- [x] [P2] Basic SEO defaults (metadata, OG, sitemap, robots)
 
 ### Testing
 
@@ -204,6 +204,7 @@ This file is the single source of truth for roadmap and delivery progress.
 - [2026-02-10] E2E now runs with deterministic preparation (`test:e2e:prepare`: generate + migrate deploy + seed) before Playwright execution.
 - [2026-02-10] CI quality workflow `.gitea/workflows/ci.yml` enforces `check`, `typecheck`, `test`, and `test:e2e` against a PostgreSQL service.
 - [2026-02-10] Admin app now uses a shared shell with permission-aware navigation and dedicated IA routes (`/pages`, `/media`, `/users`, `/commissions`).
+- [2026-02-10] Public app now has a shared site layout (`banner/header/footer`), DB-backed header banner config, and SEO defaults (`metadata`, `robots`, `sitemap`).
 
 ## How We Use This File