fix: comply with F2E Spec — filename naming, any types, JSDoc

- Rename PascalCase component files to kebab-case (AnnouncementModal →
  announcement-modal, McGlass → mc-glass)
- Replace any types with proper uni-app/WeChat callback types
  (RequestSuccessCallbackResult, LoginRes, ShowModalRes, etc.)
- Add JSDoc documentation comments to all exported/important functions

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

src/utils/index.ts

@@ -1,8 +1,10 @@
+/** 数字补零（用于日期格式化） */
 const formatNumber = (n: number): string => {
   const str = n.toString()
   return str[1] ? str : '0' + str
 }
 
+/** 格式化日期时间为 `YYYY/M/D HH:mm:ss` */
 function formatTime(date: Date | number | string): string {
   const d = new Date(date)
   const year = d.getFullYear()
@@ -14,6 +16,7 @@ function formatTime(date: Date | number | string): string {
   return `${year}/${month}/${day} ${[hour, minute, second].map(formatNumber).join(':')}`
 }
 
+/** 显示 Toast 提示 */
 function showToast(title: string, icon: 'success' | 'loading' | 'error' | 'none' = 'none'): void {
   uni.showToast({
     title,
@@ -22,14 +25,17 @@ function showToast(title: string, icon: 'success' | 'loading' | 'error' | 'none'
   })
 }
 
+/** 跳转到指定页面 */
 function navigateTo(url: string): void {
   uni.navigateTo({ url })
 }
 
+/** 重定向到指定页面 */
 function redirectTo(url: string): void {
   uni.redirectTo({ url })
 }
 
+/** 切换到 tabBar 页面 */
 function switchTab(url: string): void {
   uni.switchTab({ url })
 }