为资产模块新增样片管理与上传流程

扩展媒体库以支持样片类型及项目选择，为样片入口接入首页路由，并扩展 Assets 测试。

Co-authored-by: Cursor <cursoragent@cursor.com>

suixinkan/Features/Home/Models/HomeMenuItem.swift

@@ -36,6 +36,8 @@ enum HomeRoute: Hashable {
     case cloudStorageTransit
     case materialLibrary
     case materialUpload
+    case sampleLibrary
+    case sampleUpload
     case albumList
     case albumTrailer
     case modulePlaceholder(uri: String, title: String)