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/scripts/audit-use-cases.ps1

@@ -0,0 +1,34 @@
+# Script pour auditer les use cases de chaque feature
+
+$featuresPath = "C:\Users\dadyo\PersonalProjects\lions-workspace\unionflow\unionflow-mobile-apps\lib\features"
+
+Write-Host "=== Audit Use Cases par Feature ===" -ForegroundColor Cyan
+Write-Host ""
+
+$features = Get-ChildItem -Path $featuresPath -Directory
+
+foreach ($feature in $features) {
+    $usecasesPath = Join-Path $feature.FullName "domain\usecases"
+
+    if (Test-Path $usecasesPath) {
+        $usecases = Get-ChildItem -Path $usecasesPath -Filter "*.dart" -File
+
+        Write-Host "[$($feature.Name)]" -ForegroundColor Yellow
+        Write-Host "  Use cases: $($usecases.Count)"
+
+        if ($usecases.Count -gt 0) {
+            foreach ($usecase in $usecases) {
+                $name = $usecase.Name -replace '\.dart$', ''
+                Write-Host "    - $name" -ForegroundColor Gray
+            }
+        } else {
+            Write-Host "    (aucun use case trouvé)" -ForegroundColor Red
+        }
+
+        Write-Host ""
+    }
+}
+
+Write-Host "=== Résumé ===" -ForegroundColor Cyan
+$totalFeatures = ($features | Where-Object { Test-Path (Join-Path $_.FullName "domain\usecases") }).Count
+Write-Host "Features avec use cases: $totalFeatures"