feat(features): refontes onboarding/organizations/profile/reports/settings/solidarity

- onboarding : datasource souscription, models formule/status, bloc complet
- organizations : bloc orgs + switcher + types bloc, models, pages edit/create
- profile : bloc complet avec change password, delete account, preferences
- reports : bloc avec DashboardReports + ScheduleReports + GenerateReport
- settings : language, privacy, feedback pages
- solidarity : bloc complet demandes d'aide (CRUD, approuver, rejeter)

lib/features/settings/presentation/bloc/system_settings_bloc.dart

@@ -38,6 +38,20 @@ class SystemSettingsBloc extends Bloc<SystemSettingsEvent, SystemSettingsState>
     on<TestDatabaseConnection>(_onTestDatabaseConnection);
     on<TestEmailConfiguration>(_onTestEmailConfiguration);
     on<ResetSystemConfig>(_onResetSystemConfig);
+    on<OptimizeDatabase>(_onOptimizeDatabase);
+    on<ForceGlobalLogout>(_onForceGlobalLogout);
+    on<CleanupSessions>(_onCleanupSessions);
+    on<CleanOldLogs>(_onCleanOldLogs);
+    on<PurgeExpiredData>(_onPurgeExpiredData);
+    on<AnalyzePerformance>(_onAnalyzePerformance);
+    on<CreateBackup>(_onCreateBackup);
+    on<ScheduleMaintenance>(_onScheduleMaintenance);
+    on<EmergencyMaintenance>(_onEmergencyMaintenance);
+    on<CheckUpdates>(_onCheckUpdates);
+    on<ExportLogs>(_onExportLogs);
+    on<GenerateUsageReport>(_onGenerateUsageReport);
+    on<GenerateAuditReport>(_onGenerateAuditReport);
+    on<ExportGDPRData>(_onExportGDPRData);
   }
 
   Future<void> _onLoadSystemConfig(
@@ -165,4 +179,159 @@ class SystemSettingsBloc extends Bloc<SystemSettingsEvent, SystemSettingsState>
       emit(SystemSettingsError('Erreur de réinitialisation: ${e.toString()}'));
     }
   }
+
+  Future<void> _onOptimizeDatabase(OptimizeDatabase event, Emitter<SystemSettingsState> emit) async {
+    emit(SystemSettingsLoading());
+    try {
+      final result = await _repository.optimizeDatabase();
+      emit(SystemSettingsSuccess(result['message'] as String? ?? 'Base de données optimisée'));
+    } catch (e) {
+      if (e is DioException && e.type == DioExceptionType.cancel) return;
+      emit(SystemSettingsError('Erreur: ${e.toString()}'));
+    }
+  }
+
+  Future<void> _onForceGlobalLogout(ForceGlobalLogout event, Emitter<SystemSettingsState> emit) async {
+    emit(SystemSettingsLoading());
+    try {
+      final result = await _repository.forceGlobalLogout();
+      emit(SystemSettingsSuccess(result['message'] as String? ?? 'Déconnexion globale déclenchée'));
+    } catch (e) {
+      if (e is DioException && e.type == DioExceptionType.cancel) return;
+      emit(SystemSettingsError('Erreur: ${e.toString()}'));
+    }
+  }
+
+  Future<void> _onCleanupSessions(CleanupSessions event, Emitter<SystemSettingsState> emit) async {
+    emit(SystemSettingsLoading());
+    try {
+      final result = await _repository.cleanupSessions();
+      emit(SystemSettingsSuccess(result['message'] as String? ?? 'Sessions nettoyées'));
+    } catch (e) {
+      if (e is DioException && e.type == DioExceptionType.cancel) return;
+      emit(SystemSettingsError('Erreur: ${e.toString()}'));
+    }
+  }
+
+  Future<void> _onCleanOldLogs(CleanOldLogs event, Emitter<SystemSettingsState> emit) async {
+    emit(SystemSettingsLoading());
+    try {
+      final result = await _repository.cleanOldLogs();
+      emit(SystemSettingsSuccess(result['message'] as String? ?? 'Logs nettoyés'));
+    } catch (e) {
+      if (e is DioException && e.type == DioExceptionType.cancel) return;
+      emit(SystemSettingsError('Erreur: ${e.toString()}'));
+    }
+  }
+
+  Future<void> _onPurgeExpiredData(PurgeExpiredData event, Emitter<SystemSettingsState> emit) async {
+    emit(SystemSettingsLoading());
+    try {
+      final result = await _repository.purgeExpiredData();
+      emit(SystemSettingsSuccess(result['message'] as String? ?? 'Données purgées'));
+    } catch (e) {
+      if (e is DioException && e.type == DioExceptionType.cancel) return;
+      emit(SystemSettingsError('Erreur: ${e.toString()}'));
+    }
+  }
+
+  Future<void> _onAnalyzePerformance(AnalyzePerformance event, Emitter<SystemSettingsState> emit) async {
+    emit(SystemSettingsLoading());
+    try {
+      final result = await _repository.analyzePerformance();
+      emit(SystemSettingsSuccess(result['message'] as String? ?? 'Analyse terminée'));
+    } catch (e) {
+      if (e is DioException && e.type == DioExceptionType.cancel) return;
+      emit(SystemSettingsError('Erreur: ${e.toString()}'));
+    }
+  }
+
+  Future<void> _onCreateBackup(CreateBackup event, Emitter<SystemSettingsState> emit) async {
+    emit(SystemSettingsLoading());
+    try {
+      final result = await _repository.createBackup();
+      emit(SystemSettingsSuccess(result['message'] as String? ?? 'Sauvegarde créée'));
+    } catch (e) {
+      if (e is DioException && e.type == DioExceptionType.cancel) return;
+      emit(SystemSettingsError('Erreur: ${e.toString()}'));
+    }
+  }
+
+  Future<void> _onScheduleMaintenance(ScheduleMaintenance event, Emitter<SystemSettingsState> emit) async {
+    emit(SystemSettingsLoading());
+    try {
+      final result = await _repository.scheduleMaintenance(scheduledAt: event.scheduledAt, reason: event.reason);
+      emit(SystemSettingsSuccess(result['message'] as String? ?? 'Maintenance planifiée'));
+    } catch (e) {
+      if (e is DioException && e.type == DioExceptionType.cancel) return;
+      emit(SystemSettingsError('Erreur: ${e.toString()}'));
+    }
+  }
+
+  Future<void> _onEmergencyMaintenance(EmergencyMaintenance event, Emitter<SystemSettingsState> emit) async {
+    emit(SystemSettingsLoading());
+    try {
+      final result = await _repository.emergencyMaintenance();
+      emit(SystemSettingsSuccess(result['message'] as String? ?? 'Maintenance d\'urgence activée'));
+    } catch (e) {
+      if (e is DioException && e.type == DioExceptionType.cancel) return;
+      emit(SystemSettingsError('Erreur: ${e.toString()}'));
+    }
+  }
+
+  Future<void> _onCheckUpdates(CheckUpdates event, Emitter<SystemSettingsState> emit) async {
+    emit(SystemSettingsLoading());
+    try {
+      final result = await _repository.checkUpdates();
+      emit(SystemSettingsSuccess(result['message'] as String? ?? 'Vérification terminée'));
+    } catch (e) {
+      if (e is DioException && e.type == DioExceptionType.cancel) return;
+      emit(SystemSettingsError('Erreur: ${e.toString()}'));
+    }
+  }
+
+  Future<void> _onExportLogs(ExportLogs event, Emitter<SystemSettingsState> emit) async {
+    emit(SystemSettingsLoading());
+    try {
+      final result = await _repository.exportLogs();
+      final count = result['count'] as int? ?? 0;
+      emit(SystemSettingsSuccess('$count log(s) exporté(s)'));
+    } catch (e) {
+      if (e is DioException && e.type == DioExceptionType.cancel) return;
+      emit(SystemSettingsError('Erreur: ${e.toString()}'));
+    }
+  }
+
+  Future<void> _onGenerateUsageReport(GenerateUsageReport event, Emitter<SystemSettingsState> emit) async {
+    emit(SystemSettingsLoading());
+    try {
+      final result = await _repository.generateUsageReport();
+      emit(SystemSettingsSuccess(result['message'] as String? ?? 'Rapport généré'));
+    } catch (e) {
+      if (e is DioException && e.type == DioExceptionType.cancel) return;
+      emit(SystemSettingsError('Erreur: ${e.toString()}'));
+    }
+  }
+
+  Future<void> _onGenerateAuditReport(GenerateAuditReport event, Emitter<SystemSettingsState> emit) async {
+    emit(SystemSettingsLoading());
+    try {
+      final result = await _repository.generateAuditReport();
+      emit(SystemSettingsSuccess(result['message'] as String? ?? 'Rapport d\'audit généré'));
+    } catch (e) {
+      if (e is DioException && e.type == DioExceptionType.cancel) return;
+      emit(SystemSettingsError('Erreur: ${e.toString()}'));
+    }
+  }
+
+  Future<void> _onExportGDPRData(ExportGDPRData event, Emitter<SystemSettingsState> emit) async {
+    emit(SystemSettingsLoading());
+    try {
+      final result = await _repository.exportGDPRData();
+      emit(SystemSettingsSuccess(result['message'] as String? ?? 'Export RGPD initié'));
+    } catch (e) {
+      if (e is DioException && e.type == DioExceptionType.cancel) return;
+      emit(SystemSettingsError('Erreur: ${e.toString()}'));
+    }
+  }
 }

lib/features/settings/presentation/bloc/system_settings_event.dart

@@ -10,25 +10,63 @@ abstract class SystemSettingsEvent extends Equatable {
   List<Object?> get props => [];
 }
 
+// ── Chargement ─────────────────────────────────────────────────────────────
 class LoadSystemConfig extends SystemSettingsEvent {}
+class LoadCacheStats extends SystemSettingsEvent {}
+class LoadSystemMetrics extends SystemSettingsEvent {}
 
+// ── Configuration ──────────────────────────────────────────────────────────
 class UpdateSystemConfig extends SystemSettingsEvent {
   final Map<String, dynamic> config;
-
   const UpdateSystemConfig(this.config);
-
   @override
   List<Object?> get props => [config];
 }
 
-class LoadCacheStats extends SystemSettingsEvent {}
-
-class LoadSystemMetrics extends SystemSettingsEvent {}
-
-class ClearCache extends SystemSettingsEvent {}
+class ResetSystemConfig extends SystemSettingsEvent {}
 
+// ── Tests ───────────────────────────────────────────────────────────────────
 class TestDatabaseConnection extends SystemSettingsEvent {}
-
 class TestEmailConfiguration extends SystemSettingsEvent {}
 
-class ResetSystemConfig extends SystemSettingsEvent {}
+// ── Cache ────────────────────────────────────────────────────────────────────
+class ClearCache extends SystemSettingsEvent {}
+
+// ── Base de données ──────────────────────────────────────────────────────────
+class OptimizeDatabase extends SystemSettingsEvent {}
+
+// ── Sécurité ─────────────────────────────────────────────────────────────────
+class ForceGlobalLogout extends SystemSettingsEvent {}
+class CleanupSessions extends SystemSettingsEvent {}
+class ExportGDPRData extends SystemSettingsEvent {}
+
+// ── Logs ─────────────────────────────────────────────────────────────────────
+class CleanOldLogs extends SystemSettingsEvent {}
+class ExportLogs extends SystemSettingsEvent {}
+
+// ── Données ──────────────────────────────────────────────────────────────────
+class PurgeExpiredData extends SystemSettingsEvent {}
+
+// ── Performance ──────────────────────────────────────────────────────────────
+class AnalyzePerformance extends SystemSettingsEvent {}
+
+// ── Sauvegarde ────────────────────────────────────────────────────────────────
+class CreateBackup extends SystemSettingsEvent {}
+
+// ── Maintenance ───────────────────────────────────────────────────────────────
+class ScheduleMaintenance extends SystemSettingsEvent {
+  final String? scheduledAt;
+  final String? reason;
+  const ScheduleMaintenance({this.scheduledAt, this.reason});
+  @override
+  List<Object?> get props => [scheduledAt, reason];
+}
+
+class EmergencyMaintenance extends SystemSettingsEvent {}
+
+// ── Mises à jour ──────────────────────────────────────────────────────────────
+class CheckUpdates extends SystemSettingsEvent {}
+
+// ── Rapports ──────────────────────────────────────────────────────────────────
+class GenerateAuditReport extends SystemSettingsEvent {}
+class GenerateUsageReport extends SystemSettingsEvent {}