模块化 AppStore 并完善素材管理与个人空间设置。

将会话、权限、位置、收款与排队存储拆分为独立模块，同步更新各 ViewModel 与单元测试，并补充素材管理 UI 与个人空间设置交互。

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

suixinkan/Features/Profile/ViewModels/ProfileEditViewModel.swift

@@ -72,9 +72,9 @@ final class ProfileEditViewModel {
             try await api.updateUserInfo(nickname: nextNickname)
         }
 
-        AppStore.shared.userName = nextNickname
+        AppStore.shared.session.userName = nextNickname
         if let uploadedAvatarURL {
-            AppStore.shared.avatar = uploadedAvatarURL
+            AppStore.shared.session.avatar = uploadedAvatarURL
         }
 
         clearPendingAvatar()