feat: Konzerte button on artist page (Android)
- EventModels: ConcertEvent / ConcertVenue / ConcertOffer (Kotlinx Serializable)
- EventsClient: Ktor client fetching backendUrl/api/events/{artist}
- ArtistViewModel: fetches events in parallel with iTunes data on load;
openEventsSheet / dismissEventsSheet
- ConcertsSheet: ModalBottomSheet with event rows (date, venue, city,
Tickets → button that opens browser, Ausverkauft state)
- ArtistDetailScreen: Konzerte pill in action bar showing event count,
tapping opens ConcertsSheet
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
HoneyandClaude Sonnet 4.6
13e9ec9d9a