fix: proxy Bandsintown events through backend to bypass 403, always show ticket link with sold-out badge

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/views/events.js

@@ -1,8 +1,11 @@
 import { esc } from '../utils.js';
+import { S } from '../state.js';
 
 export async function fetchEvents(artistName) {
+  const base = S.cfg?.backendUrl;
+  if(!base) return [];
   try {
-    const r = await fetch(`https://rest.bandsintown.com/artists/${encodeURIComponent(artistName)}/events?app_id=novasonic`);
+    const r = await fetch(`${base}/api/events/${encodeURIComponent(artistName)}`);
     if(!r.ok) return [];
     const data = await r.json();
     if(!Array.isArray(data)) return [];
@@ -31,7 +34,7 @@ export function openEventsModal(events, artistName) {
         <div class="event-venue-name">${esc(venue)}</div>
         <div class="event-venue-city">${esc(city)}</div>
       </div>
-      ${offer ? `<a class="event-book-btn${soldOut ? ' sold-out' : ''}" href="${esc(offer.url)}" target="_blank" rel="noopener">${soldOut ? 'Ausverkauft' : 'Buchen →'}</a>` : ''}
+      ${offer ? `<a class="event-book-btn" href="${esc(offer.url)}" target="_blank" rel="noopener">${soldOut ? '<span class="event-sold-badge">Ausverkauft</span>' : ''}Tickets →</a>` : ''}
     </div>`;
   }).join('');