small fix, don't worry about it

lifetimer/lib/data/models/user_model.dart

@@ -1,4 +1,5 @@
 import 'package:equatable/equatable.dart';
+import '../../core/utils/unit_conversion_utils.dart';
 
 class User extends Equatable {
   final String id;
@@ -13,6 +14,13 @@ class User extends Equatable {
   final String? websiteUrl;
   final DateTime? countdownStartDate;
   final DateTime? countdownEndDate;
+  final Gender? gender;
+  final DateTime? birthDate;
+  final int? storedAge;
+  final double? heightCm;
+  final double? weightKg;
+  final HeightUnit heightUnit;
+  final WeightUnit weightUnit;
   final DateTime createdAt;
   final DateTime updatedAt;
 
@@ -29,6 +37,13 @@ class User extends Equatable {
     this.websiteUrl,
     this.countdownStartDate,
     this.countdownEndDate,
+    this.gender,
+    this.birthDate,
+    this.storedAge,
+    this.heightCm,
+    this.weightKg,
+    this.heightUnit = HeightUnit.metric,
+    this.weightUnit = WeightUnit.metric,
     required this.createdAt,
     required this.updatedAt,
   });
@@ -45,6 +60,33 @@ class User extends Equatable {
     return countdownEndDate!.difference(DateTime.now()).inDays;
   }
 
+  int? get age {
+    if (storedAge != null) return storedAge;
+    if (birthDate == null) return null;
+    return UnitConversionUtils.calculateAge(birthDate!);
+  }
+
+  String get formattedHeight {
+    if (heightCm == null) return '';
+    return UnitConversionUtils.formatHeight(heightCm!, heightUnit);
+  }
+
+  String get formattedWeight {
+    if (weightKg == null) return '';
+    return UnitConversionUtils.formatWeight(weightKg!, weightUnit);
+  }
+
+  double? get bmi {
+    if (heightCm == null || weightKg == null) return null;
+    return UnitConversionUtils.calculateBmi(weightKg!, heightCm!);
+  }
+
+  String get bmiCategory {
+    final bmiValue = bmi;
+    if (bmiValue == null) return '';
+    return UnitConversionUtils.getBmiCategory(bmiValue);
+  }
+
   User copyWith({
     String? id,
     String? username,
@@ -58,6 +100,13 @@ class User extends Equatable {
     String? websiteUrl,
     DateTime? countdownStartDate,
     DateTime? countdownEndDate,
+    Gender? gender,
+    DateTime? birthDate,
+    int? storedAge,
+    double? heightCm,
+    double? weightKg,
+    HeightUnit? heightUnit,
+    WeightUnit? weightUnit,
     DateTime? createdAt,
     DateTime? updatedAt,
   }) {
@@ -74,6 +123,13 @@ class User extends Equatable {
       websiteUrl: websiteUrl ?? this.websiteUrl,
       countdownStartDate: countdownStartDate ?? this.countdownStartDate,
       countdownEndDate: countdownEndDate ?? this.countdownEndDate,
+      gender: gender ?? this.gender,
+      birthDate: birthDate ?? this.birthDate,
+      storedAge: storedAge ?? this.storedAge,
+      heightCm: heightCm ?? this.heightCm,
+      weightKg: weightKg ?? this.weightKg,
+      heightUnit: heightUnit ?? this.heightUnit,
+      weightUnit: weightUnit ?? this.weightUnit,
       createdAt: createdAt ?? this.createdAt,
       updatedAt: updatedAt ?? this.updatedAt,
     );
@@ -93,6 +149,13 @@ class User extends Equatable {
         websiteUrl,
         countdownStartDate,
         countdownEndDate,
+        gender,
+        birthDate,
+        storedAge,
+        heightCm,
+        weightKg,
+        heightUnit,
+        weightUnit,
         createdAt,
         updatedAt,
       ];
@@ -111,6 +174,13 @@ class User extends Equatable {
       'website_url': websiteUrl,
       'countdown_start_date': countdownStartDate?.toIso8601String(),
       'countdown_end_date': countdownEndDate?.toIso8601String(),
+      'gender': gender?.toDatabaseString(),
+      'birth_date': birthDate?.toIso8601String().split('T').first,
+      'age': storedAge,
+      'height_cm': heightCm,
+      'weight_kg': weightKg,
+      'height_unit': heightUnit.code,
+      'weight_unit': weightUnit.code,
       'created_at': createdAt.toIso8601String(),
       'updated_at': updatedAt.toIso8601String(),
     };
@@ -134,6 +204,15 @@ class User extends Equatable {
       countdownEndDate: json['countdown_end_date'] != null
           ? DateTime.parse(json['countdown_end_date'] as String)
           : null,
+      gender: json['gender'] != null ? Gender.fromString(json['gender'] as String) : null,
+      birthDate: json['birth_date'] != null ? DateTime.parse(json['birth_date'] as String) : null,
+      storedAge: json['age'] as int?,
+      heightCm: json['height_cm'] as double?,
+      weightKg: json['weight_kg'] as double?,
+      heightUnit: json['height_unit'] != null ? 
+        HeightUnit.values.firstWhere((unit) => unit.code == json['height_unit']) : HeightUnit.metric,
+      weightUnit: json['weight_unit'] != null ? 
+        WeightUnit.values.firstWhere((unit) => unit.code == json['weight_unit']) : WeightUnit.metric,
       createdAt: DateTime.parse(json['created_at'] as String),
       updatedAt: DateTime.parse(json['updated_at'] as String),
     );