fix(mobile): URL changement mdp corrigée + v3.0 — multi-org, AppAuth, sécurité prod

Auth:
- profile_repository.dart: /api/auth/change-password → /api/membres/auth/change-password

Multi-org (Phase 3):
- OrgSelectorPage, OrgSwitcherBloc, OrgSwitcherEntry
- org_context_service.dart: headers X-Active-Organisation-Id + X-Active-Role

Navigation:
- MorePage: navigation conditionnelle par typeOrganisation
- Suppression adaptive_navigation (remplacé par main_navigation_layout)

Auth AppAuth:
- keycloak_webview_auth_service: fixes AppAuth Android
- AuthBloc: gestion REAUTH_REQUIS + premierLoginComplet

Onboarding:
- Nouveaux états: payment_method_page, onboarding_shared_widgets
- SouscriptionStatusModel mis à jour StatutValidationSouscription

Android:
- build.gradle: ProGuard/R8, network_security_config
- Gradle wrapper mis à jour

lib/features/events/bloc/evenements_bloc.dart

@@ -81,12 +81,7 @@ class EvenementsBloc extends Bloc<EvenementsEvent, EvenementsState> {
         totalPages: result.totalPages,
       ));
     } on DioException catch (e) {
-      if (e.type == DioExceptionType.cancel) return;
-      emit(EvenementsNetworkError(
-        message: _getNetworkErrorMessage(e),
-        code: e.response?.statusCode.toString(),
-        error: e,
-      ));
+      _emitDioError(e, emit);
     } catch (e) {
       if (e is DioException && e.type == DioExceptionType.cancel) return;
       emit(EvenementsError(
@@ -115,12 +110,7 @@ class EvenementsBloc extends Bloc<EvenementsEvent, EvenementsState> {
         ));
       }
     } on DioException catch (e) {
-      if (e.type == DioExceptionType.cancel) return;
-      emit(EvenementsNetworkError(
-        message: _getNetworkErrorMessage(e),
-        code: e.response?.statusCode.toString(),
-        error: e,
-      ));
+      _emitDioError(e, emit);
     } catch (e) {
       if (e is DioException && e.type == DioExceptionType.cancel) return;
       emit(EvenementsError(
@@ -151,11 +141,7 @@ class EvenementsBloc extends Bloc<EvenementsEvent, EvenementsState> {
           code: '400',
         ));
       } else {
-        emit(EvenementsNetworkError(
-          message: _getNetworkErrorMessage(e),
-          code: e.response?.statusCode.toString(),
-          error: e,
-        ));
+        _emitDioError(e, emit);
       }
     } catch (e) {
       if (e is DioException && e.type == DioExceptionType.cancel) return;
@@ -187,11 +173,7 @@ class EvenementsBloc extends Bloc<EvenementsEvent, EvenementsState> {
           code: '400',
         ));
       } else {
-        emit(EvenementsNetworkError(
-          message: _getNetworkErrorMessage(e),
-          code: e.response?.statusCode.toString(),
-          error: e,
-        ));
+        _emitDioError(e, emit);
       }
     } catch (e) {
       if (e is DioException && e.type == DioExceptionType.cancel) return;
@@ -214,12 +196,7 @@ class EvenementsBloc extends Bloc<EvenementsEvent, EvenementsState> {
 
       emit(EvenementDeleted(event.id));
     } on DioException catch (e) {
-      if (e.type == DioExceptionType.cancel) return;
-      emit(EvenementsNetworkError(
-        message: _getNetworkErrorMessage(e),
-        code: e.response?.statusCode.toString(),
-        error: e,
-      ));
+      _emitDioError(e, emit);
     } catch (e) {
       if (e is DioException && e.type == DioExceptionType.cancel) return;
       emit(EvenementsError(
@@ -250,12 +227,7 @@ class EvenementsBloc extends Bloc<EvenementsEvent, EvenementsState> {
         totalPages: result.totalPages,
       ));
     } on DioException catch (e) {
-      if (e.type == DioExceptionType.cancel) return;
-      emit(EvenementsNetworkError(
-        message: _getNetworkErrorMessage(e),
-        code: e.response?.statusCode.toString(),
-        error: e,
-      ));
+      _emitDioError(e, emit);
     } catch (e) {
       if (e is DioException && e.type == DioExceptionType.cancel) return;
       emit(EvenementsError(
@@ -286,12 +258,7 @@ class EvenementsBloc extends Bloc<EvenementsEvent, EvenementsState> {
         totalPages: result.totalPages,
       ));
     } on DioException catch (e) {
-      if (e.type == DioExceptionType.cancel) return;
-      emit(EvenementsNetworkError(
-        message: _getNetworkErrorMessage(e),
-        code: e.response?.statusCode.toString(),
-        error: e,
-      ));
+      _emitDioError(e, emit);
     } catch (e) {
       if (e is DioException && e.type == DioExceptionType.cancel) return;
       emit(EvenementsError(
@@ -322,12 +289,7 @@ class EvenementsBloc extends Bloc<EvenementsEvent, EvenementsState> {
         totalPages: result.totalPages,
       ));
     } on DioException catch (e) {
-      if (e.type == DioExceptionType.cancel) return;
-      emit(EvenementsNetworkError(
-        message: _getNetworkErrorMessage(e),
-        code: e.response?.statusCode.toString(),
-        error: e,
-      ));
+      _emitDioError(e, emit);
     } catch (e) {
       if (e is DioException && e.type == DioExceptionType.cancel) return;
       emit(EvenementsError(
@@ -349,12 +311,7 @@ class EvenementsBloc extends Bloc<EvenementsEvent, EvenementsState> {
 
       emit(EvenementInscrit(event.evenementId));
     } on DioException catch (e) {
-      if (e.type == DioExceptionType.cancel) return;
-      emit(EvenementsNetworkError(
-        message: _getNetworkErrorMessage(e),
-        code: e.response?.statusCode.toString(),
-        error: e,
-      ));
+      _emitDioError(e, emit);
     } catch (e) {
       if (e is DioException && e.type == DioExceptionType.cancel) return;
       emit(EvenementsError(
@@ -376,12 +333,7 @@ class EvenementsBloc extends Bloc<EvenementsEvent, EvenementsState> {
 
       emit(EvenementDesinscrit(event.evenementId));
     } on DioException catch (e) {
-      if (e.type == DioExceptionType.cancel) return;
-      emit(EvenementsNetworkError(
-        message: _getNetworkErrorMessage(e),
-        code: e.response?.statusCode.toString(),
-        error: e,
-      ));
+      _emitDioError(e, emit);
     } catch (e) {
       if (e is DioException && e.type == DioExceptionType.cancel) return;
       emit(EvenementsError(
@@ -406,12 +358,7 @@ class EvenementsBloc extends Bloc<EvenementsEvent, EvenementsState> {
         participants: participants,
       ));
     } on DioException catch (e) {
-      if (e.type == DioExceptionType.cancel) return;
-      emit(EvenementsNetworkError(
-        message: _getNetworkErrorMessage(e),
-        code: e.response?.statusCode.toString(),
-        error: e,
-      ));
+      _emitDioError(e, emit);
     } catch (e) {
       if (e is DioException && e.type == DioExceptionType.cancel) return;
       emit(EvenementsError(
@@ -433,12 +380,7 @@ class EvenementsBloc extends Bloc<EvenementsEvent, EvenementsState> {
 
       emit(EvenementsStatsLoaded(stats));
     } on DioException catch (e) {
-      if (e.type == DioExceptionType.cancel) return;
-      emit(EvenementsNetworkError(
-        message: _getNetworkErrorMessage(e),
-        code: e.response?.statusCode.toString(),
-        error: e,
-      ));
+      _emitDioError(e, emit);
     } catch (e) {
       if (e is DioException && e.type == DioExceptionType.cancel) return;
       emit(EvenementsError(
@@ -493,5 +435,24 @@ class EvenementsBloc extends Bloc<EvenementsEvent, EvenementsState> {
         return 'Erreur réseau inattendue.';
     }
   }
+
+  /// Émet le bon état selon le type d'erreur :
+  /// 401/403 → EvenementsError (autorisation), autres → EvenementsNetworkError (réseau).
+  void _emitDioError(DioException e, Emitter<EvenementsState> emit) {
+    if (e.type == DioExceptionType.cancel) return;
+    final statusCode = e.response?.statusCode;
+    if (statusCode == 401 || statusCode == 403) {
+      emit(EvenementsError(
+        message: _getNetworkErrorMessage(e),
+        error: e,
+      ));
+    } else {
+      emit(EvenementsNetworkError(
+        message: _getNetworkErrorMessage(e),
+        code: statusCode?.toString(),
+        error: e,
+      ));
+    }
+  }
 }