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/profile/presentation/pages/profile_page.dart

@@ -17,6 +17,8 @@ import '../../../../core/l10n/locale_provider.dart';
 import '../../../../core/theme/theme_provider.dart';
 import '../../../authentication/presentation/bloc/auth_bloc.dart';
 import '../../../members/data/models/membre_complete_model.dart';
+import '../../../organizations/bloc/org_switcher_bloc.dart';
+import '../../../organizations/presentation/pages/org_selector_page.dart';
 import '../../../settings/presentation/pages/language_settings_page.dart';
 import '../../../settings/presentation/pages/privacy_settings_page.dart';
 import '../../../settings/presentation/pages/feedback_page.dart';
@@ -309,6 +311,31 @@ class _ProfilePageState extends State<ProfilePage>
                   _buildStatItem('ORG', orgValue),
                 ],
               ),
+              // Sélecteur d'organisation (multi-org)
+              BlocBuilder<OrgSwitcherBloc, OrgSwitcherState>(
+                builder: (context, orgState) {
+                  if (orgState is! OrgSwitcherLoaded ||
+                      orgState.organisations.length <= 1) {
+                    return const SizedBox.shrink();
+                  }
+                  return Padding(
+                    padding: const EdgeInsets.only(top: 12),
+                    child: Center(
+                      child: OrgSwitcherBadge(
+                        activeOrg: orgState.active,
+                        onTap: () async {
+                          final selected = await showOrgSelector(context);
+                          if (selected != null && context.mounted) {
+                            context
+                                .read<OrgSwitcherBloc>()
+                                .add(OrgSwitcherSelectRequested(selected));
+                          }
+                        },
+                      ),
+                    ),
+                  );
+                },
+              ),
             ],
           ),
         );