fix: update API endpoint for user login and adjust authentication logic in App component; modify rating display in MediaItem component

src/lib/utils.ts

@@ -1,16 +1,14 @@
 /*
  * @Date: 2025-05-26 17:39:36
  * @LastEditors: 陈子健
- * @LastEditTime: 2025-05-29 11:03:14
+ * @LastEditTime: 2025-06-13 14:32:26
  * @FilePath: /my-score/frontend/src/lib/utils.ts
  */
 export const StarRating = (rating: number, maxStars: number = 5) => {
   const stars = [];
-  
   for (let i = 1; i <= maxStars; i++) {
     const fill = i <= Math.floor(rating) ? '#FFD700' : 'white';
     const isHalfStar = i - 0.5 <= rating && rating < i;
-    
     if (isHalfStar) {
       console.log('isHalfStar', isHalfStar);
       stars.push(`