fix: 完善聊天解析与导出体验

- 修复引用消息名称和图片布局
- 明确单会话图片测试日志范围
- 支持导出文件附件
- 完善图片批测、会话刷新和安全退出

src/shared/export.ts

@@ -7,6 +7,7 @@ export type ExportMessageKind =
   | 'video'
   | 'voice'
   | 'sticker'
+  | 'file'
   | 'share'
   | 'location'
   | 'system'

src/shared/image-decryption.ts

@@ -85,4 +85,5 @@ export interface ImageDecryptionTestResult {
   decrypted: boolean
   readable: boolean
   isThumbnail?: boolean
+  diagnosticLog?: string
 }

src/shared/types.ts

@@ -31,7 +31,8 @@ export interface Message {
   recalledBy?: string
   recoveredFromRecallJournal?: boolean
   exportMediaUrl?: string
-  exportMediaType?: 'image' | 'video' | 'sticker'
+  exportMediaType?: 'image' | 'video' | 'sticker' | 'file'
+  exportMediaName?: string
   exportShowAvatar?: boolean
   exportMediaError?: string
   exportAvatarUrl?: string