fix(ui): prevent download table column overflow

src/components/DownloadItem.tsx

@@ -72,12 +72,12 @@ export const DownloadItem = React.memo<DownloadItemProps>(({
         <span className="shrink-0 text-text-muted">
           {getCategoryIcon(download.category)}
         </span>
-        <span className="download-file-name">
+        <span className="download-file-name" title={download.fileName}>
           {download.fileName}
         </span>
       </div>
       
-      <div>
+      <div className="download-cell-truncate">
         <span className="tabular-nums">
           {download.size && download.size !== '-' ? download.size : 'Unknown'}
         </span>
@@ -128,13 +128,13 @@ export const DownloadItem = React.memo<DownloadItemProps>(({
         )}
       </div>
       
-      <div>
+      <div className="download-cell-truncate">
         <span ref={speedTextRef} className="tabular-nums">
           {download.status === 'downloading' ? download.speed : download.status === 'processing' ? 'Processing…' : '-'}
         </span>
       </div>
-      
-      <div>
+
+      <div className="download-cell-truncate">
         <span ref={etaTextRef} className="tabular-nums">
           {download.status === 'downloading' ? download.eta : download.status === 'processing' ? 'Muxing…' : '-'}
         </span>

src/components/DownloadTable.tsx

@@ -19,8 +19,8 @@ export const DownloadTable: React.FC<DownloadTableProps> = ({ filter }) => {
 
   const [contextMenu, setContextMenu] = useState<{ x: number; y: number; id: string } | null>(null);
   const [columnWidths, setColumnWidths] = useState([340, 100, 220, 100, 80, 170]);
-  const columnMinimums = [200, 80, 170, 80, 70, 120];
-  const tableGridTemplate = columnWidths.map(width => `${width}px`).join(' ');
+  const columnMinimums = [0, 58, 92, 58, 48, 112];
+  const tableGridTemplate = columnWidths.map((width, index) => `minmax(${columnMinimums[index]}px, ${width}fr)`).join(' ');
 
   const startColumnResize = (index: number, event: React.PointerEvent<HTMLDivElement>) => {
     event.preventDefault();