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/package.json

@@ -9,11 +9,13 @@
     "dev:mp-weixin": "uni -p mp-weixin",
     "build:mp-weixin": "uni build -p mp-weixin",
     "test": "vitest --run",
+    "test:coverage": "vitest --run --coverage",
     "test:ui": "vitest --ui",
     "test:e2e": "playwright test",
     "test:e2e:ui": "playwright test --ui"
   },
   "dependencies": {
+    "@dcloudio/uni-app": "^3.0.0-alpha-5000820260420001",
     "@dcloudio/uni-components": "^3.0.0-alpha-5000820260420001",
     "@dcloudio/uni-h5": "^3.0.0-alpha-5000820260420001",
     "lunar-javascript": "1.7.7",