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/component/conversation-sidebar-header.test.tsx

@@ -0,0 +1,38 @@
+import { render, screen } from '@testing-library/react'
+import userEvent from '@testing-library/user-event'
+import { describe, expect, it, vi } from 'vitest'
+import { ConversationSidebarHeader } from '../../src/renderer/src/components/conversation/ConversationSidebarHeader'
+
+describe('ConversationSidebarHeader', () => {
+  it('refreshes the conversation list from the archive header', async () => {
+    const onRefresh = vi.fn()
+    render(
+      <ConversationSidebarHeader
+        totalCount={1306}
+        searchValue=""
+        onSearchChange={vi.fn()}
+        refreshing={false}
+        onRefresh={onRefresh}
+      />
+    )
+
+    expect(screen.getByText('1306 个会话')).toBeInTheDocument()
+    await userEvent.click(screen.getByRole('button', { name: '刷新会话列表' }))
+    expect(onRefresh).toHaveBeenCalledOnce()
+  })
+
+  it('disables the refresh button while contacts are loading', () => {
+    render(
+      <ConversationSidebarHeader
+        totalCount={12}
+        searchValue="测试"
+        onSearchChange={vi.fn()}
+        refreshing
+        onRefresh={vi.fn()}
+      />
+    )
+
+    expect(screen.getByRole('button', { name: '正在刷新会话列表' })).toBeDisabled()
+    expect(screen.getByDisplayValue('测试')).toBeInTheDocument()
+  })
+})