feat: 优化档案搜索与头像

新增退群监控开关
发送限速

tests/component/conversation-item-avatar.test.tsx

@@ -0,0 +1,49 @@
+import { fireEvent, render, screen, waitFor } from '@testing-library/react'
+import { describe, expect, it, vi } from 'vitest'
+import { ConversationItem } from '../../src/renderer/src/components/conversation/ConversationItem'
+import type { Contact } from '../../src/shared/types'
+
+const contact: Contact = {
+  m_nsUsrName: 'wxid_fixture',
+  m_nsNickName: '联系人',
+  md5: 'fixture',
+  type: 'user',
+  avatar: 'https://old.example/avatar.jpg'
+}
+
+describe('ConversationItem avatar recovery', () => {
+  it('refreshes only the failed contact and lets a newer prop replace the repaired source', async () => {
+    const getContactAvatars = vi
+      .fn()
+      .mockResolvedValue({ wxid_fixture: 'data:image/png;base64,repaired' })
+    Object.defineProperty(window, 'api', {
+      configurable: true,
+      value: { getContactAvatars } as unknown as typeof window.api
+    })
+
+    const { rerender } = render(
+      <ConversationItem contact={contact} active={false} onSelect={vi.fn()} />
+    )
+    fireEvent.error(screen.getByRole('img', { name: '联系人' }))
+
+    await waitFor(() =>
+      expect(screen.getByRole('img', { name: '联系人' })).toHaveAttribute(
+        'src',
+        'data:image/png;base64,repaired'
+      )
+    )
+    expect(getContactAvatars).toHaveBeenCalledWith(['wxid_fixture'], { refresh: true })
+
+    rerender(
+      <ConversationItem
+        contact={{ ...contact, avatar: 'https://new.example/avatar.jpg' }}
+        active={false}
+        onSelect={vi.fn()}
+      />
+    )
+    expect(screen.getByRole('img', { name: '联系人' })).toHaveAttribute(
+      'src',
+      'https://new.example/avatar.jpg'
+    )
+  })
+})