feat(results): add live annotation overlay on raw video playback

src/app/(modules)/ticket/[ticketId]/components/TicketClassDetectionPreview.tsx

@@ -184,9 +184,9 @@ export function TicketClassDetectionPreview({
             size="sm"
             onClick={() => setCurrentIndex((index) => Math.max(index - 1, 0))}
             disabled={isPreviousDisabled}
+            aria-label="Previous detection"
           >
             <ChevronLeft className="size-4" />
-            Previous
           </Button>
           <div className="min-w-16 text-center text-sm font-medium text-foreground">
             {detectionCount === 0
@@ -199,8 +199,8 @@ export function TicketClassDetectionPreview({
             size="sm"
             onClick={() => setCurrentIndex((index) => index + 1)}
             disabled={isNextDisabled}
+            aria-label="Next detection"
           >
-            Next
             <ChevronRight className="size-4" />
           </Button>
         </div>