feat(date): enhance date formatting and timezone handling

- Update formatDateTime function to handle timezone-aware date strings directly.
- Introduce utcToBeijingISOString function for consistent Beijing time formatting in ISO string.
- Modify BidsService to utilize the new utcToBeijingISOString for date conversions.
- Add unit tests for AuthGuard to validate API key authentication and access control.
- Create end-to-end tests for API key handling in various scenarios.
- Update .gitignore to exclude 'qingyun' directory.
- Add environment configuration for production settings in .env.production.
- Include Tailwind CSS setup in the uni-app version for styling.

frontend/src/utils/date.util.ts

@@ -28,6 +28,17 @@ export function formatDate(dateStr: string | null | undefined): string {
  */
 export function formatDateTime(dateStr: string | null | undefined): string {
   if (!dateStr) return '-'
+  
+  // 如果时间字符串已经包含时区信息（如 +08:00），说明已经是正确的北京时间
+  // 直接从字符串中提取日期和时间部分，避免时区转换问题
+  const timezoneMatch = dateStr.match(/^(\d{4}-\d{2}-\d{2})T(\d{2}:\d{2}):\d{2}(?:\.\d{3})?[+-]\d{2}:\d{2}$/)
+  
+  if (timezoneMatch) {
+    // 时间字符串已包含时区，直接提取日期和时间
+    return `${timezoneMatch[1]} ${timezoneMatch[2]}`
+  }
+  
+  // 没有时区信息或格式不匹配，使用 Date 对象解析并转换
   const date = new Date(dateStr)
   if (isNaN(date.getTime())) return '-'