feat: WebSocket temps réel + Finance Workflow + corrections

- Task #6: WebSocket /ws/dashboard + Kafka events (5 topics)
  * Backend: KafkaEventProducer, KafkaEventConsumer
  * Mobile: WebSocketService (reconnection, heartbeat, typed events)
  * DashboardBloc: Auto-refresh depuis WebSocket events

- Finance Workflow: approbations + budgets (backend + mobile)
  * Backend: entities, services, resources, migrations Flyway V6
  * Mobile: features finance_workflow complète avec BLoC

- Corrections DI: interfaces IRepository partout
  * IProfileRepository, IOrganizationRepository, IMembreRepository
  * GetIt configuré avec @injectable

- Spec-Kit: constitution + templates mis à jour
  * .specify/memory/constitution.md enrichie
  * Templates agent, plan, spec, tasks, checklist

- Nettoyage: fichiers temporaires supprimés

Signed-off-by: lions dev Team

unionflow/unionflow-mobile-apps/lib/features/adhesions/bloc/adhesions_event.dart

@@ -14,6 +14,15 @@ class LoadAdhesions extends AdhesionsEvent {
   List<Object?> get props => [page, size];
 }
 
+class LoadAdhesionsByMembre extends AdhesionsEvent {
+  final String membreId;
+  final int page;
+  final int size;
+  const LoadAdhesionsByMembre(this.membreId, {this.page = 0, this.size = 20});
+  @override
+  List<Object?> get props => [membreId, page, size];
+}
+
 class LoadAdhesionsEnAttente extends AdhesionsEvent {
   final int page;
   final int size;