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

tests/unit/message-parser.test.ts

@@ -28,6 +28,19 @@ describe('message parser', () => {
     }
   })
 
+  it('uses the quoted group member id instead of the chatroom id', () => {
+    const parsed = parseMessageContent(
+      '<appmsg><type>57</type><title>回复内容</title><refermsg><type>1</type><fromusr>123456789@chatroom</fromusr><chatusr>wxid_fixture_member</chatusr><content>被引用内容</content></refermsg></appmsg>',
+      49
+    )
+
+    expect(parsed).toMatchObject({
+      type: 'quote',
+      quotedSender: 'wxid_fixture_member',
+      quotedContent: '被引用内容'
+    })
+  })
+
   it('uses an explicit unknown type for unsupported messages', () => {
     expect(parseMessageContent('opaque fixture payload', 999)).toEqual({
       type: 'unknown',