feat: Journey addon — travel journal with entries, photos, public sharing & PDF export

- 5-table schema (journeys, entries, photos, trips, contributors) with migrations 87-91
- Trip-to-Journey sync engine with skeleton entries and photo sync
- Full CRUD API for journeys, entries, photos with Immich/Synology integration
- Timeline, Gallery and Map views with entry editor (markdown, mood, weather, pros/cons)
- Journey frontpage with hero card, stats and trip suggestions
- Public share links with token-based access and photo proxy
- PDF photo book export (Polarsteps-inspired)
- Dashboard redesign: mobile greeting, live trip hero, quick actions, unified card design
- BottomNav profile sheet with settings/admin/logout
- DayPlan mobile inline place picker
- TripFormModal members management
- Vacay calendar trip date indicator dots
- Fix contributor photo access (403) for journey Immich/Synology photos
- Trip deletion cleanup for journey skeleton entries
- i18n: 231 new keys across all 14 languages (native translations, no fallbacks)

server/src/db/seeds.ts

@@ -89,6 +89,7 @@ function seedAddons(db: Database.Database): void {
       { id: 'atlas', name: 'Atlas', description: 'World map of your visited countries with travel stats', type: 'global', icon: 'Globe', enabled: 1, sort_order: 11 },
       { id: 'mcp', name: 'MCP', description: 'Model Context Protocol for AI assistant integration', type: 'integration', icon: 'Terminal', enabled: 0, sort_order: 12 },
       { id: 'collab', name: 'Collab', description: 'Notes, polls, and live chat for trip collaboration', type: 'trip', icon: 'Users', enabled: 1, sort_order: 6 },
+      { id: 'journey', name: 'Journey', description: 'Trip tracking & travel journal — check-ins, photos, daily stories', type: 'global', icon: 'Compass', enabled: 0, sort_order: 35 },
     ];
     const insertAddon = db.prepare('INSERT OR IGNORE INTO addons (id, name, description, type, icon, enabled, sort_order) VALUES (?, ?, ?, ?, ?, ?, ?)');
     for (const a of defaultAddons) insertAddon.run(a.id, a.name, a.description, a.type, a.icon, a.enabled, a.sort_order);