feat: synchronisation mode deconnecte fin chat et stats

app/lib/chat/models/room.dart

@@ -26,6 +26,18 @@ class Room extends HiveObject {
   @HiveField(6)
   final int unreadCount;
   
+  @HiveField(7)
+  final List<Map<String, dynamic>>? recentMessages;
+  
+  @HiveField(8)
+  final DateTime? updatedAt;
+  
+  @HiveField(9)
+  final int? createdBy;
+  
+  @HiveField(10)
+  final bool isSynced;
+  
   Room({
     required this.id,
     required this.title,
@@ -34,6 +46,10 @@ class Room extends HiveObject {
     this.lastMessage,
     this.lastMessageAt,
     this.unreadCount = 0,
+    this.recentMessages,
+    this.updatedAt,
+    this.createdBy,
+    this.isSynced = true,
   });
   
   // Simple factory depuis JSON
@@ -42,12 +58,20 @@ class Room extends HiveObject {
       id: json['id'],
       title: json['title'] ?? 'Sans titre',
       type: json['type'] ?? 'private',
-      createdAt: DateTime.parse(json['date_creation']),
+      createdAt: DateTime.parse(json['created_at'] ?? json['date_creation']),
       lastMessage: json['last_message'],
       lastMessageAt: json['last_message_at'] != null 
           ? DateTime.parse(json['last_message_at'])
           : null,
       unreadCount: json['unread_count'] ?? 0,
+      recentMessages: json['recent_messages'] != null
+          ? List<Map<String, dynamic>>.from(json['recent_messages'])
+          : null,
+      updatedAt: json['updated_at'] != null
+          ? DateTime.parse(json['updated_at'])
+          : null,
+      createdBy: json['created_by'],
+      isSynced: json['is_synced'] ?? true,
     );
   }
   
@@ -58,4 +82,33 @@ class Room extends HiveObject {
     'type': type,
     'date_creation': createdAt.toIso8601String(),
   };
+  
+  // Méthode copyWith pour faciliter les mises à jour
+  Room copyWith({
+    String? id,
+    String? title,
+    String? type,
+    DateTime? createdAt,
+    String? lastMessage,
+    DateTime? lastMessageAt,
+    int? unreadCount,
+    List<Map<String, dynamic>>? recentMessages,
+    DateTime? updatedAt,
+    int? createdBy,
+    bool? isSynced,
+  }) {
+    return Room(
+      id: id ?? this.id,
+      title: title ?? this.title,
+      type: type ?? this.type,
+      createdAt: createdAt ?? this.createdAt,
+      lastMessage: lastMessage ?? this.lastMessage,
+      lastMessageAt: lastMessageAt ?? this.lastMessageAt,
+      unreadCount: unreadCount ?? this.unreadCount,
+      recentMessages: recentMessages ?? this.recentMessages,
+      updatedAt: updatedAt ?? this.updatedAt,
+      createdBy: createdBy ?? this.createdBy,
+      isSynced: isSynced ?? this.isSynced,
+    );
+  }
 }