feat: implement recipe creation feature including state management, ingredient/step management, image handling, and validation.

lib/features/create_recipe/presentation/bloc/create_recipe_cubit/create_recipe_cubit.dart

@@ -237,7 +237,16 @@ class CreateRecipeCubit extends Cubit<CreateRecipeState> {
     final isActiveCookTimeValid = validateActiveCookTime();
     final isEnergyPerServingsValid = validateEnergyPerServing();
 
-    return isTitleValid && isDescValid && isImageValid && areServingsValid && isCookTimeValid && isActiveCookTimeValid && isEnergyPerServingsValid;
+    final isStepsValid = validateSteps();
+
+    return isTitleValid &&
+        isDescValid &&
+        isImageValid &&
+        areServingsValid &&
+        isCookTimeValid &&
+        isActiveCookTimeValid &&
+        isEnergyPerServingsValid &&
+        isStepsValid;
   }
 
   bool validateTitle() {
@@ -328,4 +337,20 @@ class CreateRecipeCubit extends Cubit<CreateRecipeState> {
   Future<List<GlossaryModel>> getGlossaryListByQuery(String query) async {
     return await glossaryRepository.getGlossaryListByQuery(query);
   }
+
+  bool validateSteps() {
+    bool isValid = true;
+    for (var step in state.entity.steps) {
+      if (step.description == null || step.description!.trim().isEmpty) {
+        isValid = false;
+        break;
+      }
+    }
+    if (!isValid) {
+      emit(state.copyWith(stepsValidationError: 'Заполните описание для всех шагов'));
+    } else {
+      emit(state.copyWith(stepsValidationError: null));
+    }
+    return isValid;
+  }
 }

lib/features/create_recipe/presentation/bloc/create_recipe_cubit/create_recipe_state.dart

@@ -15,6 +15,7 @@ abstract class CreateRecipeState with _$CreateRecipeState {
     String? servingsValidationError,
     String? energyPerServingValidationError,
     String? imageValidationError,
+    String? stepsValidationError,
   }) = _CreateRecipeState;
 
 }

lib/features/create_recipe/presentation/widgets/steps_widget.dart

@@ -55,6 +55,13 @@ class _StepsWidgetState extends State<StepsWidget> {
                       ),
                     ),
                   ),
+                  if (state.stepsValidationError != null) ...[
+                    const SizedBox(height: 8),
+                    Text(
+                      state.stepsValidationError!,
+                      style: const TextStyle(color: Colors.red, fontSize: 12),
+                    ),
+                  ],
                   const SizedBox(height: 12),
                   ListView.separated(
                     shrinkWrap: true,

lib/features/feed/presentation/pages/feed_screen.dart

@@ -228,7 +228,9 @@ class _FeedScreenContentState extends State<FeedScreenContent> {
                       ),
                       const SizedBox(width: 12),
                       switch (_selectedChipIndex) {
-                        1 => AddItemButton(onTap: () => GoRouter.of(context).pushNamed(RecipeCreateScreen.name)),
+                        1 => AddItemButton(
+                          onTap: state.profile?.roles.contains('consultant') ?? false ? () => GoRouter.of(context).pushNamed(RecipeCreateScreen.name) : null,
+                        ),
                         2 => AddItemButton(
                           onTap: state.profile?.roles.contains('consultant') ?? false
                               ? () async {