feat(mobile): #24 Flutter三合一APP骨架搭建

- Flutter 3.x 项目初始化（pubspec.yaml + 目录结构）
- 核心依赖：dio/go_router/provider/shared_preferences/hive/geolocator
- 统一登录页 + Token管理（TokenService + AuthInterceptor）
- 底部Tab三合一导航（供水/巡检/营收）
- 供水管理Tab：监测数据列表（MonitorListPage）
- 巡检Tab：任务列表+状态筛选+进度展示（PatrolTaskListPage）
- 营收Tab：抄表页面+账单列表（MeterReadingPage/BillListPage）
- 消息推送服务（PushService）
- GPS定位服务（LocationService）
- 拍照/相册服务（CameraService）
- 离线缓存服务（CacheService）
- Android/iOS打包配置+权限声明
- GoRouter路由+Auth认证守卫
- Provider状态管理

mobile-app/ios/Runner/AppDelegate.swift

@@ -0,0 +1,13 @@
+import UIKit
+import Flutter
+
+@UIApplicationMain
+@objc class AppDelegate: FlutterAppDelegate {
+  override func application(
+    _ application: UIApplication,
+    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
+  ) -> Bool {
+    GeneratedPluginRegistrant.register(with: self)
+    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
+  }
+}

mobile-app/ios/Runner/Info.plist

@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>CFBundleDevelopmentRegion</key>
+    <string>$(DEVELOPMENT_LANGUAGE)</string>
+    <key>CFBundleDisplayName</key>
+    <string>供水管理</string>
+    <key>CFBundleExecutable</key>
+    <string>$(EXECUTABLE_NAME)</string>
+    <key>CFBundleIdentifier</key>
+    <string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+    <key>CFBundleInfoDictionaryVersion</key>
+    <string>6.0</string>
+    <key>CFBundleName</key>
+    <string>water_management_app</string>
+    <key>CFBundlePackageType</key>
+    <string>APPL</string>
+    <key>CFBundleShortVersionString</key>
+    <string>$(FLUTTER_BUILD_NAME)</string>
+    <key>CFBundleSignature</key>
+    <string>????</string>
+    <key>CFBundleVersion</key>
+    <string>$(FLUTTER_BUILD_NUMBER)</string>
+    <key>LSRequiresIPhoneOS</key>
+    <true/>
+    <key>UILaunchStoryboardName</key>
+    <string>LaunchScreen</string>
+    <key>UIMainStoryboardFile</key>
+    <string>Main</string>
+    <key>UISupportedInterfaceOrientations</key>
+    <array>
+        <string>UIInterfaceOrientationPortrait</string>
+    </array>
+    <key>UIViewControllerBasedStatusBarAppearance</key>
+    <false/>
+
+    <!-- 位置权限描述（巡检功能） -->
+    <key>NSLocationWhenInUseUsageDescription</key>
+    <string>需要获取您的位置信息以支持巡检定位功能</string>
+    <key>NSLocationAlwaysUsageDescription</key>
+    <string>需要持续获取您的位置信息以支持巡检轨迹记录</string>
+
+    <!-- 相机权限描述（巡检拍照） -->
+    <key>NSCameraUsageDescription</key>
+    <string>需要使用相机进行巡检拍照记录</string>
+
+    <!-- 相册权限描述 -->
+    <key>NSPhotoLibraryUsageDescription</key>
+    <string>需要访问相册以选择巡检相关图片</string>
+    <key>NSPhotoLibraryAddUsageDescription</key>
+    <string>需要保存巡检照片到相册</string>
+
+    <!-- 通知权限 -->
+    <key>UIBackgroundModes</key>
+    <array>
+        <string>remote-notification</string>
+    </array>
+</dict>
+</plist>