chore: 清理旧测试基础设施并添加新测试框架

- 清理废弃的 CI/CD 工作流文件与 dogfood 输出
- 添加 vitest 测试环境配置（mocks、setup 文件）
- 添加算法、服务、页面、工具类的单元测试
- 更新 vitest 配置、依赖与文档

everything-is-suitable-uniapp/vitest.config.ts

@@ -8,6 +8,7 @@ export default defineConfig({
     environment: 'jsdom',
     globals: true,
     include: ['src/**/*.{test,spec}.{js,ts}'],
+    setupFiles: ['./vitest.setup.ts'],
     coverage: {
       reporter: ['text', 'json', 'html'],
       include: ['src/**/*.{js,ts}'],
@@ -22,7 +23,10 @@ export default defineConfig({
   },
   resolve: {
     alias: {
-      '@': path.resolve(__dirname, './src')
+      '@': path.resolve(__dirname, './src'),
+      '@dcloudio/uni-app': path.resolve(__dirname, './src/__mocks__/dcloudio/uni-app.ts'),
+      '@dcloudio/uni-components': path.resolve(__dirname, './src/__mocks__/dcloudio/uni-components.ts'),
+      '@dcloudio/uni-h5': path.resolve(__dirname, './src/__mocks__/dcloudio/uni-h5.ts'),
     }
   }
 })