feat: 更新嵌入式文件系统逻辑，支持路径清理和静态资源请求处理，增强前端主题切换能力

atsf_server/web/tests/unit/theme-utils.test.ts

@@ -0,0 +1,19 @@
+import { describe, expect, it } from 'vitest';
+
+import { isThemeMode, resolveTheme } from '@/lib/theme/theme';
+
+describe('theme utils', () => {
+  it('validates theme mode values', () => {
+    expect(isThemeMode('light')).toBe(true);
+    expect(isThemeMode('dark')).toBe(true);
+    expect(isThemeMode('system')).toBe(true);
+    expect(isThemeMode('custom')).toBe(false);
+  });
+
+  it('resolves system mode using system preference', () => {
+    expect(resolveTheme('system', true)).toBe('dark');
+    expect(resolveTheme('system', false)).toBe('light');
+    expect(resolveTheme('dark', false)).toBe('dark');
+    expect(resolveTheme('light', true)).toBe('light');
+  });
+});