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)

client/src/components/Planner/DayDetailPanel.tsx

@@ -167,7 +167,7 @@ export default function DayDetailPanel({ day, days, places, categories = [], tri
   const font = { fontFamily: "-apple-system, BlinkMacSystemFont, 'SF Pro Text', system-ui, sans-serif" }
 
   return (
-    <div style={{ position: 'fixed', bottom: 20, left: `calc(${leftWidth}px + (100vw - ${leftWidth}px - ${rightWidth}px) / 2)`, transform: 'translateX(-50%)', width: `min(800px, calc(100vw - ${leftWidth}px - ${rightWidth}px - 32px))`, zIndex: 50, ...font }}>
+    <div className="fixed z-50 bottom-[96px] md:bottom-5" style={{ left: `calc(${leftWidth}px + (100vw - ${leftWidth}px - ${rightWidth}px) / 2)`, transform: 'translateX(-50%)', width: `min(800px, calc(100vw - ${leftWidth}px - ${rightWidth}px - 32px))`, ...font }}>
       <div style={{
         background: 'var(--bg-elevated)',
         backdropFilter: 'blur(40px) saturate(180%)',