feat: 添加管理后台页面和功能，优化测试和性能配置

refactor: 重构页面导航和滚动逻辑，提升用户体验

test: 更新测试配置和用例，增加覆盖率和稳定性

perf: 优化性能指标和阈值，适应开发环境需求

ci: 添加Lighthouse CI工作流，集成性能测试

docs: 更新API文档和健康检查端点

fix: 修复登录页面和表单提交问题

style: 调整响应式布局和可访问性改进

chore: 更新依赖项和脚本配置

src/contexts/theme-context.test.tsx

@@ -0,0 +1,94 @@
+import { renderHook } from '@testing-library/react';
+import { ThemeProvider, useTheme } from './theme-context';
+
+describe('theme-context', () => {
+  beforeEach(() => {
+    localStorage.clear();
+  });
+
+  it('应该提供默认主题', () => {
+    const wrapper = ({ children }: { children: React.ReactNode }) => (
+      <ThemeProvider>{children}</ThemeProvider>
+    );
+
+    const { result } = renderHook(() => useTheme(), { wrapper });
+
+    expect(result.current.theme).toBe('light');
+  });
+
+  it('应该从localStorage读取保存的主题', () => {
+    localStorage.setItem('theme', 'dark');
+
+    const wrapper = ({ children }: { children: React.ReactNode }) => (
+      <ThemeProvider>{children}</ThemeProvider>
+    );
+
+    const { result } = renderHook(() => useTheme(), { wrapper });
+
+    expect(result.current.theme).toBe('dark');
+  });
+
+  it('应该支持切换主题', () => {
+    const wrapper = ({ children }: { children: React.ReactNode }) => (
+      <ThemeProvider>{children}</ThemeProvider>
+    );
+
+    const { result } = renderHook(() => useTheme(), { wrapper });
+
+    expect(result.current.theme).toBe('light');
+
+    result.current.setTheme('dark');
+
+    expect(result.current.theme).toBe('dark');
+    expect(localStorage.getItem('theme')).toBe('dark');
+  });
+
+  it('应该支持切换到light主题', () => {
+    localStorage.setItem('theme', 'dark');
+
+    const wrapper = ({ children }: { children: React.ReactNode }) => (
+      <ThemeProvider>{children}</ThemeProvider>
+    );
+
+    const { result } = renderHook(() => useTheme(), { wrapper });
+
+    expect(result.current.theme).toBe('dark');
+
+    result.current.setTheme('light');
+
+    expect(result.current.theme).toBe('light');
+    expect(localStorage.getItem('theme')).toBe('light');
+  });
+
+  it('应该支持切换主题', () => {
+    const wrapper = ({ children }: { children: React.ReactNode }) => (
+      <ThemeProvider>{children}</ThemeProvider>
+    );
+
+    const { result } = renderHook(() => useTheme(), { wrapper });
+
+    const initialTheme = result.current.theme;
+
+    result.current.toggleTheme();
+
+    expect(result.current.theme).not.toBe(initialTheme);
+
+    result.current.toggleTheme();
+
+    expect(result.current.theme).toBe(initialTheme);
+  });
+
+  it('应该正确设置document的data-theme属性', () => {
+    const wrapper = ({ children }: { children: React.ReactNode }) => (
+      <ThemeProvider>{children}</ThemeProvider>
+    );
+
+    const { result } = renderHook(() => useTheme(), { wrapper });
+
+    expect(document.documentElement.getAttribute('data-theme')).toBe('light');
+
+    result.current.setTheme('dark');
+
+    expect(document.documentElement.getAttribute('data-theme')).toBe('dark');
+  });
+});