feat(unionflow): ajout Spec-Kit, constitution, mission mutuelles

- Config Spec-Kit pour Spec-Driven Development
- CONSTITUTION.md + .specify/memory/constitution.md
- Commandes Cursor /speckit.*, règles projet
- Mission: associations + mutuelles d'épargne et de financement
- .gitignore: versionner config spec-kit unionflow

Made-with: Cursor

unionflow/unionflow-mobile-apps/lib/features/dashboard/domain/repositories/dashboard_repository.dart

@@ -0,0 +1,27 @@
+import 'package:dartz/dartz.dart';
+import '../entities/dashboard_entity.dart';
+import '../../../../core/error/failures.dart';
+
+abstract class DashboardRepository {
+  Future<Either<Failure, DashboardEntity>> getDashboardData(
+    String organizationId,
+    String userId,
+  );
+
+  Future<Either<Failure, DashboardStatsEntity>> getDashboardStats(
+    String organizationId,
+    String userId,
+  );
+
+  Future<Either<Failure, List<RecentActivityEntity>>> getRecentActivities(
+    String organizationId,
+    String userId, {
+    int limit = 10,
+  });
+
+  Future<Either<Failure, List<UpcomingEventEntity>>> getUpcomingEvents(
+    String organizationId,
+    String userId, {
+    int limit = 5,
+  });
+}