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/Vacay/VacayMonthCard.tsx

@@ -23,11 +23,12 @@ interface VacayMonthCardProps {
   companyMode: boolean
   blockWeekends: boolean
   weekendDays?: number[]
+  tripDates?: Set<string>
 }
 
 export default function VacayMonthCard({
   year, month, holidays, companyHolidaySet, companyHolidaysEnabled = true, entryMap,
-  onCellClick, companyMode, blockWeekends, weekendDays = [0, 6]
+  onCellClick, companyMode, blockWeekends, weekendDays = [0, 6], tripDates
 }: VacayMonthCardProps) {
   const { t, locale } = useTranslation()
 
@@ -122,6 +123,10 @@ export default function VacayMonthCard({
                     </div>
                   )}
 
+                  {tripDates?.has(dateStr) && (
+                    <span className="absolute top-[3px] right-[3px] w-[5px] h-[5px] rounded-full z-[2]" style={{ background: '#3b82f6' }} />
+                  )}
+
                   <span className="relative z-[1] text-[11px] font-medium" style={{
                     color: holiday ? holiday.color : weekend ? 'var(--text-faint)' : 'var(--text-primary)',
                     fontWeight: dayEntries.length > 0 ? 700 : 500,