test: vitest 纳入 electron 目录（node 环境冒烟验证）

Author: Aparencia

client/electron/windowRules.smoke.test.ts

@@ -0,0 +1,13 @@
+// @vitest-environment node
+/**
+ * vitest electron 目录冒烟测试
+ * @ai-context: 验证 include 扩展后 electron/ 下测试可执行；Task 2 创建正式测试后删除。
+ */
+import { describe, it, expect } from 'vitest';
+
+describe('electron vitest smoke', () => {
+  it('runs in node environment', () => {
+    expect(typeof process).toBe('object');
+    expect(process.platform).toBeTruthy();
+  });
+});

client/vitest.config.ts

@@ -8,7 +8,7 @@ export default defineConfig({
     globals: true,
     environment: 'jsdom',
     setupFiles: ['./src/test/setup.ts'],
-    include: ['src/**/*.test.{ts,tsx}'],
+    include: ['src/**/*.test.{ts,tsx}', 'electron/**/*.test.ts'],
     // 覆盖率策略：初始门槛较低，随测试体系完善逐步提高。
     // 增量覆盖率不低于 60%，避免新代码完全无测试覆盖。
     coverage: {