初始化傻瓜比价正式版 iOS 客户端

对标安卓正式版、对接 app-server(8770)的 SwiftUI 客户端。iOS 无障碍受限、无比价核心,做自成一体:美团 CPS 导购 + 福利(签到/任务/金币)+ 查看(比价记录/省钱战绩)。
功能完整 M0-M5:脚手架、短信登录(JWT+Keychain+401 自动刷新)、首页券 feed 导购、比价记录+省钱战绩、福利、我的(资料/反馈/设置/注销)。
单 target、0 三方依赖、XcodeGen 生成工程;Debug/Release 双 plist 分流 ATS。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

App/Networking/DTO/WelfareDTO.swift

@@ -0,0 +1,137 @@
+import Foundation
+
+// 福利模块(钱包/签到/任务/省钱)。金额:金币=个数,现金=分。客户端把"分"换算成"元"展示。
+// 提现 / 看广告 / 金币兑现金 首版不做,故不含 Withdraw / Ad / Exchange / Cash 相关 DTO。
+
+// ===== 钱包(金币只进不出:展示余额 + 流水)=====
+
+struct CoinAccountDTO: Codable {
+    let coinBalance: Int
+    let cashBalanceCents: Int
+    let totalCoinEarned: Int
+}
+
+struct CoinTransactionDTO: Codable, Identifiable, Hashable {
+    let id: Int
+    let amount: Int
+    let balanceAfter: Int
+    let bizType: String
+    let refId: String?
+    let remark: String?
+    let createdAt: String
+}
+
+struct CoinTransactionPageDTO: Codable {
+    let items: [CoinTransactionDTO]
+    let nextCursor: Int?
+}
+
+// ===== 签到 =====
+
+struct SigninStepDTO: Codable, Hashable {
+    let day: Int
+    let coin: Int
+    let status: String   // claimed / today / locked
+}
+
+struct SigninStatusDTO: Codable {
+    let todaySigned: Bool
+    let consecutiveDays: Int
+    let todayCycleDay: Int
+    let todayCoin: Int
+    let canClaim: Bool
+    let steps: [SigninStepDTO]
+}
+
+struct SigninResultDTO: Codable {
+    let coinAwarded: Int
+    let cycleDay: Int
+    let streak: Int
+    let coinBalance: Int
+}
+
+// ===== 任务 =====
+
+struct TaskDTO: Codable, Identifiable, Hashable {
+    var id: String { taskKey }
+    let taskKey: String
+    let coin: Int
+    let claimed: Bool
+}
+
+struct TaskListDTO: Codable {
+    let items: [TaskDTO]
+}
+
+struct TaskClaimResultDTO: Codable {
+    let taskKey: String
+    let coinAwarded: Int
+    let coinBalance: Int
+}
+
+// ===== 比价战绩里程碑(福利页「记录比价战绩」)=====
+
+struct MilestoneStateDTO: Codable, Hashable {
+    let milestone: Int
+    let coin: Int
+    let state: String   // claimed / active / locked
+}
+
+struct MilestoneStatusDTO: Codable {
+    let successCount: Int
+    let claimableCount: Int
+    let milestones: [MilestoneStateDTO]
+}
+
+// ===== 省钱(累计/战绩/明细)=====
+
+struct SavingsSummaryDTO: Codable {
+    let totalSavedCents: Int
+    let orderCount: Int
+    let avgSavedCents: Int
+}
+
+struct SavingsBattleDTO: Codable {
+    let weekSavedCents: Int
+    let beatPercent: Int
+    let streakDays: Int
+}
+
+struct SavingsRecordDTO: Codable, Identifiable, Hashable {
+    let id: Int
+    let orderAmountCents: Int
+    let savedAmountCents: Int
+    let platform: String?
+    let title: String?
+    let shopName: String?
+    var dishes: [String] = []
+    let payChannel: String?
+    let sourcePlatformName: String?
+    let originalPriceCents: Int?
+    let createdAt: String
+
+    enum CodingKeys: String, CodingKey {
+        case id, orderAmountCents, savedAmountCents, platform, title
+        case shopName, dishes, payChannel, sourcePlatformName, originalPriceCents, createdAt
+    }
+
+    init(from decoder: Decoder) throws {
+        let c = try decoder.container(keyedBy: CodingKeys.self)
+        id = try c.decode(Int.self, forKey: .id)
+        orderAmountCents = try c.decode(Int.self, forKey: .orderAmountCents)
+        savedAmountCents = try c.decode(Int.self, forKey: .savedAmountCents)
+        platform = try? c.decode(String.self, forKey: .platform)
+        title = try? c.decode(String.self, forKey: .title)
+        shopName = try? c.decode(String.self, forKey: .shopName)
+        dishes = (try? c.decode([String].self, forKey: .dishes)) ?? []
+        payChannel = try? c.decode(String.self, forKey: .payChannel)
+        sourcePlatformName = try? c.decode(String.self, forKey: .sourcePlatformName)
+        originalPriceCents = try? c.decode(Int.self, forKey: .originalPriceCents)
+        createdAt = try c.decode(String.self, forKey: .createdAt)
+    }
+}
+
+struct SavingsRecordPageDTO: Codable {
+    let items: [SavingsRecordDTO]
+    let nextCursor: Int?
+}