feat: 完成v10.1.0版本大更新，新增密保系统、勋章、任务、排行榜等功能

### 变更详情
1. 新增密保问题系统，支持8种预置验证问题，多场景支持多验证方式
2. 新增勋章管理模块，包含勋章配置、用户勋章关联管理
3. 新增每日任务系统，支持任务配置和用户进度追踪
4. 新增赛季排行榜功能，支持周/月赛季排行与奖励结算
5. 新增信息流推荐权重配置管理
6. 重构服务路径分层，按设备/网络/数据分类管理服务
7. 优化Feed请求参数截断逻辑，避免URL过长
8. 新增等级工具类，统一处理等级颜色与称号展示
9. 新增屏幕共享共享信令Provider，复用传输服务实例
10. 新增Android/iOS分享适配与桌面小组件支持
11. 清理旧版测试脚本，新增部署维护脚本
12. 完善用户注销关联数据清理逻辑

lib/features/auth/models/user_model.dart

@@ -1,9 +1,9 @@
 /// ============================================================
 /// 闲言APP — 用户数据模型
 /// 创建时间: 2026-04-28
-/// 更新时间: 2026-05-11
+/// 更新时间: 2026-05-15
 /// 作用: 用户信息数据模型，对应后端 tool_user 表
-/// 上次更新: v10.0.0 UserDevice新增ipCity/ipRange字段
+/// 上次更新: v10.1.0 UserModel新增secQuestion/secQuestionText字段
 /// ============================================================
 
 class UserModel {
@@ -16,6 +16,10 @@ class UserModel {
     this.email = '',
     this.mobile = '',
     this.score = 0,
+    this.level = 1,
+    this.exp = 0,
+    this.expToNext = 0,
+    this.expProgress = 0.0,
     this.money = '0.00',
     this.titleId = 1,
     this.signinDays = 0,
@@ -32,6 +36,8 @@ class UserModel {
     this.devices = const [],
     this.extra,
     this.profileSlug = '',
+    this.secQuestion = 0,
+    this.secQuestionText = '',
   });
 
   final int id;
@@ -42,6 +48,10 @@ class UserModel {
   final String email;
   final String mobile;
   final int score;
+  final int level;
+  final int exp;
+  final int expToNext;
+  final double expProgress;
   final String money;
   final int titleId;
   final int signinDays;
@@ -59,6 +69,10 @@ class UserModel {
   final List<UserDevice> devices;
   final UserExtra? extra;
   final String profileSlug;
+  final int secQuestion;
+  final String secQuestionText;
+
+  bool get hasSecQuestion => secQuestion > 0;
 
   String get displayName => nickname.isNotEmpty ? nickname : username;
 
@@ -92,6 +106,10 @@ class UserModel {
       email: json['email'] as String? ?? '',
       mobile: json['mobile'] as String? ?? '',
       score: json['score'] as int? ?? 0,
+      level: json['level'] as int? ?? 1,
+      exp: json['exp'] as int? ?? 0,
+      expToNext: json['exp_to_next'] as int? ?? 0,
+      expProgress: (json['exp_progress'] as num?)?.toDouble() ?? 0.0,
       money: json['money']?.toString() ?? '0.00',
       titleId: json['title_id'] as int? ?? 1,
       signinDays: json['signin_days'] as int? ?? 0,
@@ -124,6 +142,8 @@ class UserModel {
           ? UserExtra.fromJson(json['extra'] as Map<String, dynamic>)
           : null,
       profileSlug: json['profile_slug'] as String? ?? '',
+      secQuestion: json['sec_question'] as int? ?? 0,
+      secQuestionText: json['sec_question_text'] as String? ?? '',
     );
   }
 
@@ -137,6 +157,10 @@ class UserModel {
       'email': email,
       'mobile': mobile,
       'score': score,
+      'level': level,
+      'exp': exp,
+      'exp_to_next': expToNext,
+      'exp_progress': expProgress,
       'money': money,
       'title_id': titleId,
       'signin_days': signinDays,
@@ -153,6 +177,8 @@ class UserModel {
       'devices': devices.map((e) => e.toJson()).toList(),
       'extra': extra?.toJson(),
       'profile_slug': profileSlug,
+      'sec_question': secQuestion,
+      'sec_question_text': secQuestionText,
     };
   }
 
@@ -165,6 +191,10 @@ class UserModel {
     String? email,
     String? mobile,
     int? score,
+    int? level,
+    int? exp,
+    int? expToNext,
+    double? expProgress,
     String? money,
     int? titleId,
     int? signinDays,
@@ -181,6 +211,8 @@ class UserModel {
     List<UserDevice>? devices,
     UserExtra? extra,
     String? profileSlug,
+    int? secQuestion,
+    String? secQuestionText,
   }) {
     return UserModel(
       id: id ?? this.id,
@@ -191,6 +223,10 @@ class UserModel {
       email: email ?? this.email,
       mobile: mobile ?? this.mobile,
       score: score ?? this.score,
+      level: level ?? this.level,
+      exp: exp ?? this.exp,
+      expToNext: expToNext ?? this.expToNext,
+      expProgress: expProgress ?? this.expProgress,
       money: money ?? this.money,
       titleId: titleId ?? this.titleId,
       signinDays: signinDays ?? this.signinDays,
@@ -207,6 +243,8 @@ class UserModel {
       devices: devices ?? this.devices,
       extra: extra ?? this.extra,
       profileSlug: profileSlug ?? this.profileSlug,
+      secQuestion: secQuestion ?? this.secQuestion,
+      secQuestionText: secQuestionText ?? this.secQuestionText,
     );
   }
 }