feat: add current events section for equipment with dynamic status calculation

em2rp/lib/providers/equipment_provider.dart

@@ -1,9 +1,11 @@
 import 'package:flutter/foundation.dart';
 import 'package:em2rp/models/equipment_model.dart';
 import 'package:em2rp/services/equipment_service.dart';
+import 'package:em2rp/services/equipment_status_calculator.dart';
 
 class EquipmentProvider extends ChangeNotifier {
   final EquipmentService _service = EquipmentService();
+  final EquipmentStatusCalculator _statusCalculator = EquipmentStatusCalculator();
 
   List<EquipmentModel> _equipment = [];
   List<String> _models = [];
@@ -179,6 +181,16 @@ class EquipmentProvider extends ChangeNotifier {
     }
   }
 
+  /// Calculer le statut réel d'un équipement (asynchrone)
+  Future<EquipmentStatus> calculateRealStatus(EquipmentModel equipment) async {
+    return await _statusCalculator.calculateRealStatus(equipment);
+  }
+
+  /// Invalider le cache du calculateur de statut
+  void invalidateStatusCache() {
+    _statusCalculator.invalidateCache();
+  }
+
   // === FILTRES ===
 
   /// Définir la catégorie sélectionnée