renamed services folder to operations

lib/features/operations/models/fin_service_model.dart

@@ -0,0 +1,63 @@
+import 'package:equatable/equatable.dart';
+
+class FinServiceModel extends Equatable {
+  final String? id;
+  final DateTime? createdAt;
+  final DateTime expiration;
+  final String? serviceId;
+  final String? modelId; // FK verso model (es. iPhone, Samsung, ecc.)
+  final String? providerId;
+
+  const FinServiceModel({
+    this.id,
+    this.createdAt,
+    required this.expiration,
+    this.serviceId,
+    this.modelId,
+    this.providerId,
+  });
+
+  FinServiceModel copyWith({
+    String? id,
+    DateTime? createdAt,
+    DateTime? expiration,
+    String? serviceId,
+    String? modelId,
+    String? providerId,
+  }) {
+    return FinServiceModel(
+      id: id ?? this.id,
+      createdAt: createdAt ?? this.createdAt,
+      expiration: expiration ?? this.expiration,
+      serviceId: serviceId ?? this.serviceId,
+      modelId: modelId ?? this.modelId,
+      providerId: providerId ?? this.providerId,
+    );
+  }
+
+  @override
+  List<Object?> get props => [id, createdAt, expiration, serviceId, modelId];
+
+  factory FinServiceModel.fromMap(Map<String, dynamic> map) {
+    return FinServiceModel(
+      id: map['id'],
+      createdAt: map['created_at'] != null
+          ? DateTime.parse(map['created_at'])
+          : null,
+      expiration: DateTime.parse(map['expiration']),
+      serviceId: map['service_id'],
+      modelId: map['model_id'],
+      providerId: map['provider_id'],
+    );
+  }
+
+  Map<String, dynamic> toMap() {
+    return {
+      if (id != null) 'id': id,
+      'expiration': expiration.toIso8601String(),
+      'service_id': serviceId,
+      'model_id': modelId,
+      'provider_id': providerId,
+    };
+  }
+}