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/.gitignore

@@ -0,0 +1,45 @@
+# ============================================
+# UnionFlow Parent .gitignore
+# ============================================
+
+# Documentation temporaire
+**/CORRECTIF_*.md
+**/REFONTE_*.md
+**/ANALYSE_*.md
+**/PLAN_*.md
+**/FIX_*.md
+**/TEST_*.md
+**/CHANGELOG_*.md
+
+# Logs
+*.log
+logs/
+*.log.*
+
+# OS
+.DS_Store
+Thumbs.db
+.Spotlight-V100
+.Trashes
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+.project
+.classpath
+.settings/
+*.iml
+*.ipr
+*.iws
+
+# Specification tools
+.specify/memory/inventaire-code.md
+.cursor/
+
+# Temporary files
+*.tmp
+*.bak
+*.old