test: 优化测试代码

- 显式导入相关依赖以避免相关问题

vitest.config.ts

@@ -1,7 +1,36 @@
-import { defineVitestConfig } from '@nuxt/test-utils/config';
+import { defineConfig } from 'vitest/config';
+import { defineVitestProject } from '@nuxt/test-utils/config';
 
-export default defineVitestConfig({
+export default defineConfig({
   test: {
-    environment: 'nuxt',
+    globals: true,
+    projects: [
+      {
+        test: {
+          name: 'unit',
+          include: [
+            'app/**/*.test.ts',
+            'app/**/*.spec.ts',
+            'server/**/*.test.ts',
+            'server/**/*.spec.ts',
+          ],
+          environment: 'node',
+        },
+      },
+      await defineVitestProject({
+        test: {
+          name: 'nuxt',
+          include: ['tests/nuxt/**/*.{test,spec}.ts'],
+          environment: 'nuxt',
+        },
+      }),
+      {
+        test: {
+          name: 'e2e',
+          include: ['test/e2e/*.{test,spec}.ts'],
+          environment: 'node',
+        },
+      },
+    ],
   },
 });