fix: resolve critical bugs and improve admin panel reliability

- Fix missing await in pets API route causing empty responses
- Fix updateSetting to use upsert pattern instead of update-only
- Create missing /api/admin/sounds/upload route (upload was broken)
- Wire bulk delete actions in catalog table
- Replace native confirm() with useConfirmDialog() across rooms and clone pages
- Add error logging to silent catch blocks in radio actions and audit route
- Add graceful degradation to devops health endpoint
- Add cache eviction to clone icon route to prevent memory leak
- Internationalize hardcoded Italian strings to English
- Remove placeholder created_at fields from prefix API responses
- Remove dead code and fix type errors in translations and import pages
- Standardize PERMS import path in analytics export route

src/app/admin/sounds/sounds-client.tsx

@@ -271,7 +271,7 @@ export function SoundsClient({
 												onEnded={() => setPlayingId(null)}
 												onError={() =>
 													toast.error(
-														`Impossibile riprodurre "${s.code}.mp3" da ${baseUrl}.`,
+														`Failed to play "${s.code}.mp3" from ${baseUrl}.`,
 													)
 												}
 											/>

src/app/admin/sounds/trax-player.tsx

@@ -100,7 +100,7 @@ export function TraxPlayer({
 
 		const AudioCtor = window.AudioContext;
 		if (!AudioCtor) {
-			toast.error("Web Audio API non supportata da questo browser.");
+			toast.error("Web Audio API is not supported by this browser.");
 			setStatus("error");
 			return;
 		}
@@ -137,7 +137,7 @@ export function TraxPlayer({
 
 		if (failed > 0) {
 			toast.warning(
-				`${failed}/${uniqueIds.length} sample non caricati — la riproduzione potrebbe avere buchi.`,
+				`${failed}/${uniqueIds.length} samples failed to load — playback may have gaps.`,
 			);
 		}
 		if (failed === uniqueIds.length) {