feat: 增加测试覆盖率并优化代码质量

test: 添加单元测试和端到端测试
refactor: 重构登录页面和上传模块
ci: 更新测试覆盖率阈值至42%
build: 添加测试相关依赖
docs: 更新测试文档
style: 修复代码格式问题

src/lib/analytics.ts

@@ -24,7 +24,7 @@ export const event = (action: string, category: string, label?: string, value?:
   }
 };
 
-export const trackContactForm = (formData: Record<string, string>) => {
+export const trackContactForm = (_formData: Record<string, string>) => {
   event('submit', 'contact_form', 'contact_form_submission');
 };
 
@@ -32,6 +32,6 @@ export const trackButtonClick = (buttonName: string, location: string) => {
   event('click', 'button', `${location}_${buttonName}`);
 };
 
-export const trackPageView = (pageTitle: string, pagePath: string) => {
+export const trackPageView = (pageTitle: string, _pagePath: string) => {
   event('page_view', 'navigation', pageTitle);
 };