add MusicPlayer

src/pages/file/fileExplorer.shared.ts

@@ -17,6 +17,7 @@ export interface ServerFile {
 export interface ExplorerItem {
 	name: string;
 	type: FileItemType;
+	extension?: string;
 	size?: string;
 	updatedAt: string;
 	icon: string;
@@ -55,6 +56,7 @@ export function mapServerFileToExplorerItem(file: ServerFile): ExplorerItem {
 	return {
 		name: file.name || "未命名",
 		type: isDirectory ? "dir" : "file",
+		extension: file.extension,
 		size: isDirectory ? undefined : formatFileSize(file.size),
 		updatedAt: formatModifiedAt(file.modifiedAt),
 		icon: resolveFileIcon(file, isDirectory),