feat: Add cache-busting to avatar image URLs and implement show more/less functionality for certifications.

src/app/(user)/user/profiles/page.tsx

@@ -73,7 +73,14 @@ function ProfileCard({ profile }: ProfileCardProps) {
       if (profile.avatar && !profile.avatar.startsWith('http') && !profile.avatar.startsWith('/')) {
         try {
           const presignedUrl = await uploadService.getPresignedDownloadUrl(profile.avatar);
-          setAvatarUrl(presignedUrl);
+          // Add cache-busting parameter to force browser to fetch fresh image
+          // This prevents showing old cached image when avatar is updated
+          const profileWithTimestamp = profile as unknown as { updatedAt?: string };
+          const cacheBuster = profileWithTimestamp.updatedAt
+            ? new Date(profileWithTimestamp.updatedAt).getTime()
+            : Date.now();
+          const urlWithCacheBuster = `${presignedUrl}&_t=${cacheBuster}`;
+          setAvatarUrl(urlWithCacheBuster);
         } catch (error) {
           console.error('Failed to get avatar URL:', error);
         }
@@ -82,7 +89,7 @@ function ProfileCard({ profile }: ProfileCardProps) {
       }
     };
     fetchAvatarUrl();
-  }, [profile.avatar]);
+  }, [profile.avatar, profile]);
 
   const getProfileImageUrl = () => {
     if (avatarUrl) return avatarUrl;