fix: persist expanded details across re-renders, guard drag-drop init against duplicates

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/renderer-queue.ts

@@ -35,7 +35,7 @@ function getQueueRenderFingerprint(items: QueueItem[]): string {
         item.mergeGroup?.mergePhase || ''
     ].join(':'));
 
-    return `${lang}|${selectedQueueIds.join(',')}|${pieces.join('|')}`;
+    return `${lang}|${selectedQueueIds.join(',')}|${[...expandedQueueIds].join(',')}|${pieces.join('|')}`;
 }
 
 function hasActiveQueueDuplicate(url: string, streamer: string, date: string, customClip?: CustomClip): boolean {
@@ -199,11 +199,18 @@ function updateQueueItemProgress(progress: DownloadProgress): void {
 }
 
 function toggleQueueDetails(id: string): void {
-    const el = document.getElementById(`details-${id}`);
-    if (el) el.style.display = el.style.display === 'none' ? 'block' : 'none';
+    if (expandedQueueIds.has(id)) {
+        expandedQueueIds.delete(id);
+    } else {
+        expandedQueueIds.add(id);
+    }
+    renderQueue();
 }
 
 function initQueueDragDrop(): void {
+    if (queueDragDropInitialized) return;
+    queueDragDropInitialized = true;
+
     const list = byId('queueList');
 
     list.addEventListener('dragstart', (e: DragEvent) => {
@@ -303,7 +310,7 @@ function renderQueue(): void {
                         <div class="queue-progress-bar${progressClass}" style="width: ${progressValue}%;"></div>
                     </div>
                     <div class="queue-progress-text">${safeProgressText}</div>
-                    <div class="queue-details" id="details-${item.id}" style="display:none">
+                    <div class="queue-details" id="details-${item.id}" style="display:${expandedQueueIds.has(item.id) ? 'block' : 'none'}">
                         <div>URL: ${escapeHtml(item.url)}</div>
                         <div>Streamer: ${escapeHtml(item.streamer)}</div>
                         <div>Dauer: ${escapeHtml(item.duration_str)}</div>

src/renderer-shared.ts

@@ -25,6 +25,8 @@ let isConnected = false;
 let downloading = false;
 let queue: QueueItem[] = [];
 let selectedQueueIds: string[] = [];
+let expandedQueueIds: Set<string> = new Set();
+let queueDragDropInitialized = false;
 
 let cutterFile: string | null = null;
 let cutterVideoInfo: VideoInfo | null = null;