✨ feat: 'Alle entfernen' button for recent files panel

Adds a red 'Alle entfernen' button next to the 'Zuletzt erzeugte
Upload-Links' label that clears all entries from the recent files
panel after confirmation.

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

renderer/app.js

@@ -1112,6 +1112,14 @@ function deleteSelectedRecentFiles() {
   renderRecentUploadsPanel();
 }
 
+function clearAllRecentFiles() {
+  if (sessionFilesData.length === 0) return;
+  if (!confirm(`Wirklich alle ${sessionFilesData.length} Links aus diesem Panel entfernen?`)) return;
+  sessionFilesData = [];
+  selectedRecentIds.clear();
+  renderRecentUploadsPanel();
+}
+
 function copySelectedRecentLinks() {
   const links = sessionFilesData
     .filter(r => selectedRecentIds.has(r.order) && !r.isError)
@@ -3206,6 +3214,7 @@ function setupListeners() {
   document.getElementById('moveBottomBtn').addEventListener('click', () => moveSelectedJobs('bottom'));
   document.getElementById('accountsRunHealthCheckBtn').addEventListener('click', () => runHealthCheck('manual'));
   document.getElementById('copyAllLinksBtn').addEventListener('click', copyAllLinks);
+  document.getElementById('clearRecentFilesBtn').addEventListener('click', clearAllRecentFiles);
   document.getElementById('retryFailedBtn').addEventListener('click', () => {
     queueJobs.forEach(j => { if (j.status === 'error') selectedJobIds.add(j.id); });
     retrySelectedJobs();

renderer/index.html

@@ -105,6 +105,7 @@
               <button class="recent-tab" data-panel="statsTab">Stats</button>
             </div>
             <span class="recent-files-hint" id="recentFilesHint">Zuletzt erzeugte Upload-Links</span>
+            <button class="btn btn-xs btn-danger" id="clearRecentFilesBtn" title="Alle Links aus diesem Panel entfernen">Alle entfernen</button>
           </div>
           <div class="recent-tab-body active" id="filesTab">
             <div class="recent-files-table-wrap">

renderer/styles.css

@@ -426,6 +426,10 @@ body.col-resizing, body.col-resizing * { cursor: col-resize !important; user-sel
 .recent-files-hint {
   font-size: 11px;
   color: var(--text-dim);
+  margin-left: auto;
+}
+.recent-files-header #clearRecentFilesBtn {
+  margin-left: 8px;
 }
 .stats-grid {
   display: flex;