Added new mediaUrl constant and replaced occurrences of aseUrl with mediaUrl in various widgets and screens.

lib/core/services/constants.dart

@@ -1,2 +1,5 @@
 const String baseUrl =
     'https://ba47-2001-448a-50a0-14bf-701c-6eb0-9412-6ff4.ngrok-free.app/';
+
+const String mediaUrl =
+    'https://ba47-2001-448a-50a0-14bf-701c-6eb0-9412-6ff4.ngrok-free.app/api/uploads/';

lib/features/home/widgets/progress_card.dart

@@ -16,7 +16,7 @@ class ProgressCard extends StatelessWidget {
   String _getFullImageUrl(String thumbnail) {
     return thumbnail.startsWith('http')
         ? thumbnail
-        : '${baseUrl}api/uploads/section/$thumbnail';
+        : '${mediaUrl}section/$thumbnail';
   }
 
   Future<void> _navigateToTopics(

lib/features/learning/modules/exercises/widgets/content/exercise_content.dart

@@ -168,7 +168,7 @@ class _ExerciseContentState extends State<ExerciseContent>
                       padding: const EdgeInsets.symmetric(vertical: 16.0),
                       child: ImageWidget(
                         imageFileName: widget.exercise.image!,
-                        baseUrl: '${baseUrl}api/uploads/exercise/image/',
+                        baseUrl: '$mediaUrl/exercise/image/',
                       ),
                     ),
                   ),
@@ -180,7 +180,7 @@ class _ExerciseContentState extends State<ExerciseContent>
                       child: AudioPlayerWidget(
                         key: _audioPlayerKey,
                         audioFileName: widget.exercise.audio!,
-                        baseUrl: '${baseUrl}api/uploads/exercise/audio/',
+                        baseUrl: '${mediaUrl}exercise/audio/',
                       ),
                     ),
                   ),

lib/features/learning/modules/topics/screens/topics_list_screen.dart

@@ -34,7 +34,7 @@ class _TopicsListScreenState extends State<TopicsListScreen> {
     if (thumbnail.startsWith('http')) {
       return thumbnail;
     } else {
-      return '${baseUrl}api/uploads/section/$thumbnail';
+      return '${mediaUrl}section/$thumbnail';
     }
   }
 

lib/features/learning/widgets/section_card.dart

@@ -27,7 +27,7 @@ class _SectionCardState extends State<SectionCard>
     if (thumbnail.startsWith('http')) {
       return thumbnail;
     } else {
-      return '${baseUrl}api/uploads/section/$thumbnail';
+      return '${mediaUrl}section/$thumbnail';
     }
   }
 

lib/features/settings/modules/edit_profile/screens/edit_profile_screen.dart

@@ -133,7 +133,7 @@ class _EditProfileScreenState extends State<EditProfileScreen> {
                   child: UserAvatar(
                     radius: 60,
                     pictureUrl: userProvider.userData?['PICTURE'],
-                    baseUrl: '${baseUrl}api/uploads/avatar/',
+                    baseUrl: '${mediaUrl}avatar/',
                     onImageSelected: (File image) {
                       userProvider.setSelectedImage(image);
                     },

lib/features/settings/screens/settings_screen.dart

@@ -64,7 +64,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
                                 UserAvatar(
                                   radius: 60,
                                   pictureUrl: userProvider.userData?['PICTURE'],
-                                  baseUrl: '${baseUrl}api/uploads/avatar/',
+                                  baseUrl: '${mediaUrl}avatar/',
                                   onImageSelected: (File image) {
                                     userProvider.setSelectedImage(image);
                                   },