feat(mobile): connect trading and mining pages to real APIs

- Trading page: fetch settleableUsdt and dstBalance from wallet-service
- Trading page: implement real settlement API call
- Mining page: fetch community/province/city from authorization-service
- Add loading states and error handling

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/mobile-app/lib/features/mining/presentation/pages/mining_page.dart

@@ -29,9 +29,11 @@ class _MiningPageState extends ConsumerState<MiningPage> {
   String? _avatarSvg;
   String? _avatarUrl;
   String? _localAvatarPath; // 本地头像文件路径
-  final String _community = '星空社区';
-  final String _province = '广东';
-  final String _city = '深圳';
+
+  // 授权数据（从 authorization-service 获取）
+  String _community = '--';
+  String _province = '--';
+  String _city = '--';
 
   @override
   void initState() {
@@ -39,6 +41,7 @@ class _MiningPageState extends ConsumerState<MiningPage> {
     // 先同步检查本地头像，再异步加载其他数据
     _checkLocalAvatarSync();
     _loadUserData();
+    _loadAuthorizationData();
   }
 
   /// 同步检查本地头像文件（在 build 之前快速获取）
@@ -97,6 +100,31 @@ class _MiningPageState extends ConsumerState<MiningPage> {
     }
   }
 
+  /// 加载授权数据（社区、省、市）
+  Future<void> _loadAuthorizationData() async {
+    try {
+      debugPrint('[MiningPage] 开始加载授权数据...');
+      final authorizationService = ref.read(authorizationServiceProvider);
+      final summary = await authorizationService.getMyAuthorizationSummary();
+
+      if (mounted) {
+        setState(() {
+          _community = summary.communityName ?? '--';
+          _city = summary.cityCompanyName ?? '--';
+          _province = summary.provinceCompanyName ?? '--';
+        });
+        debugPrint('[MiningPage] 授权数据加载成功:');
+        debugPrint('[MiningPage]   社区: $_community');
+        debugPrint('[MiningPage]   市公司: $_city');
+        debugPrint('[MiningPage]   省公司: $_province');
+      }
+    } catch (e, stackTrace) {
+      debugPrint('[MiningPage] 加载授权数据失败: $e');
+      debugPrint('[MiningPage] 堆栈: $stackTrace');
+      // 失败时保持默认值 '--'
+    }
+  }
+
   /// 显示帮助信息
   void _showHelpInfo() {
     showDialog(
@@ -238,6 +266,16 @@ class _MiningPageState extends ConsumerState<MiningPage> {
 
   /// 构建用户信息区域
   Widget _buildUserInfo() {
+    // 构建省市显示文本
+    String locationText = '';
+    if (_province != '--' && _city != '--') {
+      locationText = '$_province · $_city';
+    } else if (_province != '--') {
+      locationText = _province;
+    } else if (_city != '--') {
+      locationText = _city;
+    }
+
     return Padding(
       padding: const EdgeInsets.symmetric(horizontal: 16),
       child: Row(
@@ -274,13 +312,14 @@ class _MiningPageState extends ConsumerState<MiningPage> {
                 ),
                 const SizedBox(height: 4),
                 Text(
-                  '社区: $_community / 省市: $_province · $_city',
+                  '社区: $_community${locationText.isNotEmpty ? ' / $locationText' : ''}',
                   style: const TextStyle(
                     fontSize: 14,
                     fontFamily: 'Inter',
                     height: 1.5,
                     color: Color(0xFF8B5A2B),
                   ),
+                  overflow: TextOverflow.ellipsis,
                 ),
               ],
             ),

frontend/mobile-app/lib/features/trading/presentation/pages/trading_page.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../../../../core/di/injection_container.dart';
 
 /// 结算币种枚举
 enum SettlementCurrency { bnb, og, usdt, dst }
@@ -17,9 +18,45 @@ class _TradingPageState extends ConsumerState<TradingPage> {
   // 当前选中的结算币种
   SettlementCurrency _selectedCurrency = SettlementCurrency.usdt;
 
-  // 模拟数据
-  final double _settleableAmount = 1234.56;
-  final double _dstBalance = 5678.90;
+  // 钱包数据（从 wallet-service 获取）
+  double _settleableAmount = 0.0;
+  double _dstBalance = 0.0;
+  bool _isLoading = true;
+  bool _isSettling = false;
+
+  @override
+  void initState() {
+    super.initState();
+    _loadWalletData();
+  }
+
+  /// 加载钱包数据
+  Future<void> _loadWalletData() async {
+    try {
+      debugPrint('[TradingPage] 开始加载钱包数据...');
+      final walletService = ref.read(walletServiceProvider);
+      final wallet = await walletService.getMyWallet();
+
+      if (mounted) {
+        setState(() {
+          _settleableAmount = wallet.rewards.settleableUsdt;
+          _dstBalance = wallet.balances.dst.available;
+          _isLoading = false;
+        });
+        debugPrint('[TradingPage] 钱包数据加载成功:');
+        debugPrint('[TradingPage]   可结算 USDT: $_settleableAmount');
+        debugPrint('[TradingPage]   DST 余额: $_dstBalance');
+      }
+    } catch (e, stackTrace) {
+      debugPrint('[TradingPage] 加载钱包数据失败: $e');
+      debugPrint('[TradingPage] 堆栈: $stackTrace');
+      if (mounted) {
+        setState(() {
+          _isLoading = false;
+        });
+      }
+    }
+  }
 
   /// 选择结算币种
   void _selectCurrency(SettlementCurrency currency) {
@@ -30,6 +67,16 @@ class _TradingPageState extends ConsumerState<TradingPage> {
 
   /// 一键结算
   void _onSettlement() {
+    if (_settleableAmount <= 0) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(
+          content: Text('没有可结算的收益'),
+          backgroundColor: Color(0xFF8B5A2B),
+        ),
+      );
+      return;
+    }
+
     showDialog(
       context: context,
       builder: (context) => AlertDialog(
@@ -45,12 +92,7 @@ class _TradingPageState extends ConsumerState<TradingPage> {
           TextButton(
             onPressed: () {
               Navigator.pop(context);
-              ScaffoldMessenger.of(context).showSnackBar(
-                const SnackBar(
-                  content: Text('结算成功'),
-                  backgroundColor: Color(0xFFD4AF37),
-                ),
-              );
+              _doSettlement();
             },
             child: const Text('确认'),
           ),
@@ -59,6 +101,56 @@ class _TradingPageState extends ConsumerState<TradingPage> {
     );
   }
 
+  /// 执行结算
+  Future<void> _doSettlement() async {
+    if (_isSettling) return;
+
+    setState(() {
+      _isSettling = true;
+    });
+
+    try {
+      debugPrint('[TradingPage] 开始结算...');
+      debugPrint('[TradingPage]   金额: $_settleableAmount USDT');
+      debugPrint('[TradingPage]   币种: ${_getCurrencyName(_selectedCurrency)}');
+
+      final walletService = ref.read(walletServiceProvider);
+      final orderId = await walletService.settleRewards(
+        usdtAmount: _settleableAmount,
+        settleCurrency: _getCurrencyName(_selectedCurrency),
+      );
+
+      debugPrint('[TradingPage] 结算成功: orderId=$orderId');
+
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(
+            content: Text('结算成功'),
+            backgroundColor: Color(0xFFD4AF37),
+          ),
+        );
+        // 刷新钱包数据
+        _loadWalletData();
+      }
+    } catch (e) {
+      debugPrint('[TradingPage] 结算失败: $e');
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text('结算失败: $e'),
+            backgroundColor: Colors.red,
+          ),
+        );
+      }
+    } finally {
+      if (mounted) {
+        setState(() {
+          _isSettling = false;
+        });
+      }
+    }
+  }
+
   /// 卖出DST转换为USDT
   void _onSellDst() {
     showDialog(
@@ -207,17 +299,26 @@ class _TradingPageState extends ConsumerState<TradingPage> {
               ),
             ),
             const SizedBox(height: 8),
-            Text(
-              '${_formatNumber(_settleableAmount)} USDT',
-              style: const TextStyle(
-                fontSize: 32,
-                fontFamily: 'Inter',
-                fontWeight: FontWeight.w700,
-                height: 1.25,
-                letterSpacing: -0.8,
-                color: Color(0xFF5D4037),
-              ),
-            ),
+            _isLoading
+                ? const SizedBox(
+                    width: 24,
+                    height: 24,
+                    child: CircularProgressIndicator(
+                      strokeWidth: 2,
+                      valueColor: AlwaysStoppedAnimation<Color>(Color(0xFFD4AF37)),
+                    ),
+                  )
+                : Text(
+                    '${_formatNumber(_settleableAmount)} USDT',
+                    style: const TextStyle(
+                      fontSize: 32,
+                      fontFamily: 'Inter',
+                      fontWeight: FontWeight.w700,
+                      height: 1.25,
+                      letterSpacing: -0.8,
+                      color: Color(0xFF5D4037),
+                    ),
+                  ),
           ],
         ),
       ),
@@ -226,29 +327,39 @@ class _TradingPageState extends ConsumerState<TradingPage> {
 
   /// 构建一键结算按钮
   Widget _buildSettlementButton() {
+    final bool canSettle = !_isLoading && !_isSettling && _settleableAmount > 0;
     return Padding(
       padding: const EdgeInsets.symmetric(horizontal: 16),
       child: GestureDetector(
-        onTap: _onSettlement,
+        onTap: canSettle ? _onSettlement : null,
         child: Container(
           width: double.infinity,
           height: 56,
           decoration: BoxDecoration(
-            color: const Color(0xFFD4AF37),
+            color: canSettle ? const Color(0xFFD4AF37) : const Color(0x80D4AF37),
             borderRadius: BorderRadius.circular(12),
           ),
-          child: const Center(
-            child: Text(
-              '一键结算',
-              style: TextStyle(
-                fontSize: 16,
-                fontFamily: 'Inter',
-                fontWeight: FontWeight.w700,
-                height: 1.5,
-                letterSpacing: 0.24,
-                color: Colors.white,
-              ),
-            ),
+          child: Center(
+            child: _isSettling
+                ? const SizedBox(
+                    width: 24,
+                    height: 24,
+                    child: CircularProgressIndicator(
+                      strokeWidth: 2,
+                      valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
+                    ),
+                  )
+                : const Text(
+                    '一键结算',
+                    style: TextStyle(
+                      fontSize: 16,
+                      fontFamily: 'Inter',
+                      fontWeight: FontWeight.w700,
+                      height: 1.5,
+                      letterSpacing: 0.24,
+                      color: Colors.white,
+                    ),
+                  ),
           ),
         ),
       ),
@@ -373,14 +484,23 @@ class _TradingPageState extends ConsumerState<TradingPage> {
 
   /// 构建DST余额显示
   Widget _buildDstBalance() {
-    return Text(
-      'DST 余额: ${_formatNumber(_dstBalance)}',
-      style: const TextStyle(
-        fontSize: 14,
-        fontFamily: 'Inter',
-        height: 1.5,
-        color: Color(0x995D4037),
-      ),
-    );
+    return _isLoading
+        ? const SizedBox(
+            width: 16,
+            height: 16,
+            child: CircularProgressIndicator(
+              strokeWidth: 2,
+              valueColor: AlwaysStoppedAnimation<Color>(Color(0xFFD4AF37)),
+            ),
+          )
+        : Text(
+            'DST 余额: ${_formatNumber(_dstBalance)}',
+            style: const TextStyle(
+              fontSize: 14,
+              fontFamily: 'Inter',
+              height: 1.5,
+              color: Color(0x995D4037),
+            ),
+          );
   }
 }