Update Saqel Platform: 2026-09-20 16:38:51

apps/teacher_app/lib/logic/cubits/teacher_studio_cubit.dart

@@ -38,6 +38,8 @@ class TeacherStudioState {
   final String? uploadSuccessMessage;
   final double uploadProgress;
   final String uploadPhase;
+  final bool isReplacement;
+  final int versionNumber;
 
   const TeacherStudioState({
     required this.lessonTitle,
@@ -62,6 +64,8 @@ class TeacherStudioState {
     this.uploadSuccessMessage,
     this.uploadProgress = 0.0,
     this.uploadPhase = 'idle',
+    this.isReplacement = false,
+    this.versionNumber = 1,
   });
 
   TeacherStudioState copyWith({
@@ -88,6 +92,8 @@ class TeacherStudioState {
     String? uploadSuccessMessage,
     double? uploadProgress,
     String? uploadPhase,
+    bool? isReplacement,
+    int? versionNumber,
   }) {
     return TeacherStudioState(
       lessonTitle: lessonTitle ?? this.lessonTitle,
@@ -112,6 +118,8 @@ class TeacherStudioState {
       uploadSuccessMessage: uploadSuccessMessage ?? this.uploadSuccessMessage,
       uploadProgress: uploadProgress ?? this.uploadProgress,
       uploadPhase: uploadPhase ?? this.uploadPhase,
+      isReplacement: isReplacement ?? this.isReplacement,
+      versionNumber: versionNumber ?? this.versionNumber,
     );
   }
 }
@@ -359,6 +367,12 @@ class TeacherStudioCubit extends Cubit<TeacherStudioState> {
         ));
         return false;
       }
+      final isReplacement = preflight['replacement'] == true;
+      final versionNum = (preflight['version_number'] as num?)?.toInt() ?? 1;
+      emit(state.copyWith(
+        isReplacement: isReplacement,
+        versionNumber: versionNum,
+      ));
       final videoVersionId = preflight['video_version_id']?.toString();
       if (videoVersionId == null || videoVersionId.isEmpty) {
         throw StateError('لم ينشئ الخادم نسخة فيديو صالحة للرفع.');

apps/teacher_app/lib/presentation/screens/tabs/teacher_studio_upload_tab.dart

@@ -553,6 +553,29 @@ class _TeacherStudioUploadTabState extends State<TeacherStudioUploadTab> {
                                 minHeight: 8,
                               ),
                             ),
+                            if (state.isReplacement) ...[
+                              const SizedBox(height: 10),
+                              Container(
+                                padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
+                                decoration: BoxDecoration(
+                                  color: Colors.amber.withOpacity(0.12),
+                                  borderRadius: BorderRadius.circular(8),
+                                  border: Border.all(color: Colors.amber.withOpacity(0.35)),
+                                ),
+                                child: Row(
+                                  children: [
+                                    const Icon(CupertinoIcons.arrow_2_circlepath, color: Colors.amber, size: 14),
+                                    const SizedBox(width: 6),
+                                    Expanded(
+                                      child: Text(
+                                        'نسخة مرشحة للاستبدال (إصدار ${state.versionNumber}) — الحصة المنشورة الحالية تظل متاحة للطلاب حتى اجتياز الفحص.',
+                                        style: const TextStyle(color: Colors.amber, fontSize: 11, fontWeight: FontWeight.bold),
+                                      ),
+                                    ),
+                                  ],
+                                ),
+                              ),
+                            ],
                           ],
                         ),
                       ),