Add visual online/offline status dot indicator for Rapidgator links

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

src/renderer/App.tsx

@@ -3029,7 +3029,10 @@ const PackageCard = memo(function PackageCard({ pkg, items, packageSpeed, isFirs
       </div>
       {!collapsed && items.map((item) => (
         <div key={item.id} className={`item-row${selectedIds.has(item.id) ? " item-selected" : ""}`} onClick={(e) => { e.stopPropagation(); onSelect(item.id, e.ctrlKey); }} onMouseDown={(e) => { e.stopPropagation(); onSelectMouseDown(item.id, e); }} onMouseEnter={() => onSelectMouseEnter(item.id)} onContextMenu={(e) => { e.preventDefault(); e.stopPropagation(); onContextMenu(pkg.id, item.id, e.clientX, e.clientY); }}>
-          <span className="pkg-col pkg-col-name item-indent" title={item.fileName}>{item.fileName}</span>
+          <span className="pkg-col pkg-col-name item-indent" title={item.fileName}>
+            {item.onlineStatus && <span className={`link-status-dot ${item.onlineStatus}`} title={item.onlineStatus === "online" ? "Online" : item.onlineStatus === "offline" ? "Offline" : "Wird geprüft..."} />}
+            {item.fileName}
+          </span>
           <span className="pkg-col pkg-col-size">{(() => {
             const total = item.totalBytes || item.downloadedBytes || 0;
             const dl = item.downloadedBytes || 0;