Add instant payment collection flow aligned with Android.

Implement收款详情与收款记录 pages with pay-code API, QR generation, amount setting, and record grouping so merchants can collect payments from the home quick action.

Co-authored-by: Cursor <cursoragent@cursor.com>

suixinkan/Features/Payment/Models/PaymentModels.swift

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+//
+//  PaymentModels.swift
+//  suixinkan
+//
+
+import Foundation
+
+/// 摄影师收款码响应，包含静态与动态支付 URL。
+struct PayCodeResponse: Decodable, Sendable, Equatable {
+    let staticPayURL: String
+    let dynamicPayURL: String
+
+    enum CodingKeys: String, CodingKey {
+        case staticPayURL = "static_pay_url"
+        case dynamicPayURL = "dynamic_pay_url"
+    }
+
+    init(staticPayURL: String, dynamicPayURL: String) {
+        self.staticPayURL = staticPayURL
+        self.dynamicPayURL = dynamicPayURL
+    }
+}
+
+/// 收款记录响应，含按日汇总与明细列表。
+struct RepaymentCollectionRecordResponse: Decodable, Sendable, Equatable {
+    let analyse: [RepaymentCollectionRecordAnalyseItem]
+    let list: [RepaymentCollectionRecordItem]
+
+    init(
+        analyse: [RepaymentCollectionRecordAnalyseItem] = [],
+        list: [RepaymentCollectionRecordItem] = []
+    ) {
+        self.analyse = analyse
+        self.list = list
+    }
+}
+
+/// 收款记录按日汇总项。
+struct RepaymentCollectionRecordAnalyseItem: Decodable, Sendable, Equatable, Hashable {
+    let date: String
+    let orderCount: Int
+    let orderAmountSum: String
+
+    enum CodingKeys: String, CodingKey {
+        case date
+        case orderCount = "order_count"
+        case orderAmountSum = "order_amount_sum"
+    }
+
+    init(date: String, orderCount: Int, orderAmountSum: String) {
+        self.date = date
+        self.orderCount = orderCount
+        self.orderAmountSum = orderAmountSum
+    }
+}
+
+/// 收款记录明细项。
+struct RepaymentCollectionRecordItem: Decodable, Sendable, Equatable, Hashable {
+    let orderNumber: String
+    let userPhone: String
+    let orderAmount: String
+    let createDate: String
+    let createTime: String
+
+    enum CodingKeys: String, CodingKey {
+        case orderNumber = "order_number"
+        case userPhone = "user_phone"
+        case orderAmount = "order_amount"
+        case createDate = "create_date"
+        case createTime = "create_time"
+    }
+
+    init(
+        orderNumber: String,
+        userPhone: String,
+        orderAmount: String,
+        createDate: String,
+        createTime: String
+    ) {
+        self.orderNumber = orderNumber
+        self.userPhone = userPhone
+        self.orderAmount = orderAmount
+        self.createDate = createDate
+        self.createTime = createTime
+    }
+}
+
+/// 按日分组的收款记录，对齐 Android `RepaymentCollectionRecordGroup`。
+struct RepaymentCollectionRecordGroup: Sendable, Equatable, Hashable {
+    let analyse: RepaymentCollectionRecordAnalyseItem
+    let items: [RepaymentCollectionRecordItem]
+}
+
+/// 收款商户展示信息。
+struct PaymentMerchantInfo: Sendable, Equatable {
+    let name: String
+    let company: String
+
+    static let defaultInfo = PaymentMerchantInfo(
+        name: "元智享",
+        company: "扬州元智享网络科技有限公司"
+    )
+}