修复合作获客扫码绑定崩溃与 Toast 层级，并接入分成比例修改。

将扫码页提升到列表层弹出并补齐 AppDelegate.window，避免扫码时 UIKit 取主窗口崩溃；Toast 改用独立 UIWindow 显示在 sheet 之上；合作获客员支持短信验证修改分成比例，同时优化冷启动根视图创建时机并补充相关测试。

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

suixinkan/Features/CooperationOrder/ViewModels/CooperationAcquirerViewModel.swift

@@ -13,6 +13,10 @@ import Combine
 final class CooperationAcquirerViewModel: ObservableObject {
     @Published var acquirers: [CooperativeSaler] = []
     @Published private(set) var hasLoadedOnce = false
+    @Published var commissionEditingAcquirer: CooperativeSaler?
+    @Published var commissionRateDraft = ""
+    @Published var commissionSmsCodeDraft = ""
+    @Published var commissionSmsCountdown = 0
 
     /// 重新加载当前门店下的合作获客员。
     func reload(api: CooperationOrderServing, storeId: Int?) async {
@@ -45,6 +49,82 @@ final class CooperationAcquirerViewModel: ObservableObject {
             return acquirer.withPhotogRemarkName(trimmedRemark)
         }
     }
+
+    /// 打开分成比例编辑弹窗。
+    func startEditCommissionRate(_ acquirer: CooperativeSaler) {
+        commissionEditingAcquirer = acquirer
+        commissionRateDraft = "\(acquirer.commissionRate)"
+        commissionSmsCodeDraft = ""
+        commissionSmsCountdown = 0
+    }
+
+    /// 更新分成比例输入，只保留数字且最多 3 位。
+    func updateCommissionRateDraft(_ text: String) {
+        commissionRateDraft = String(text.filter(\.isNumber).prefix(3))
+    }
+
+    /// 更新短信验证码输入，只保留数字且最多 6 位。
+    func updateCommissionSmsCodeDraft(_ text: String) {
+        commissionSmsCodeDraft = String(text.filter(\.isNumber).prefix(6))
+    }
+
+    /// 关闭分成比例编辑弹窗并清理状态。
+    func dismissCommissionRateDialog() {
+        commissionEditingAcquirer = nil
+        commissionRateDraft = ""
+        commissionSmsCodeDraft = ""
+        commissionSmsCountdown = 0
+    }
+
+    /// 发送分成比例修改验证码，成功后启动本地 60 秒倒计时。
+    func sendCommissionRateSms(api: CooperationOrderServing) async throws {
+        guard commissionSmsCountdown == 0 else {
+            throw CooperationOrderCommissionRateValidationError(message: "请在倒计时结束后重新获取")
+        }
+        guard let acquirer = commissionEditingAcquirer else { return }
+        let phone = acquirer.salerPhone.cooperationNonEmptyOrDefault(acquirer.displayPhone)
+            .trimmingCharacters(in: .whitespacesAndNewlines)
+        guard !phone.isEmpty else {
+            throw CooperationOrderCommissionRateValidationError(message: "获客员手机号为空")
+        }
+        try await api.saleUserCommissionRateSendSmsCode(phone: phone)
+        commissionSmsCountdown = 60
+    }
+
+    /// 保存分成比例，成功后用接口返回数据刷新本地列表。
+    func saveCommissionRate(api: CooperationOrderServing) async throws {
+        guard let acquirer = commissionEditingAcquirer else { return }
+        guard acquirer.saleUserId > 0 else { return }
+        guard let commissionRate = Int(commissionRateDraft.trimmingCharacters(in: .whitespacesAndNewlines)) else {
+            throw CooperationOrderCommissionRateValidationError(message: "请输入分成比例")
+        }
+        guard (0...100).contains(commissionRate) else {
+            throw CooperationOrderCommissionRateValidationError(message: "分成比例需在0到100之间")
+        }
+        let smsCode = commissionSmsCodeDraft.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard !smsCode.isEmpty else {
+            throw CooperationOrderCommissionRateValidationError(message: "请输入验证码")
+        }
+
+        let updated = try await api.saleUserUpdateCommissionRate(
+            saleUserId: acquirer.saleUserId,
+            commissionRate: commissionRate,
+            smsCode: smsCode
+        )
+        if updated.saleUserId > 0 {
+            acquirers = acquirers.map { item in
+                item.saleUserId == updated.saleUserId ? updated : item
+            }
+        }
+        dismissCommissionRateDialog()
+    }
+
+    /// 倒计时递减，由页面定时器驱动。
+    func tickCommissionSmsCountdown() {
+        if commissionSmsCountdown > 0 {
+            commissionSmsCountdown -= 1
+        }
+    }
 }
 
 /// 合作获客员备注名校验失败错误。
@@ -53,3 +133,10 @@ struct CooperationOrderRemarkValidationError: LocalizedError {
 
     var errorDescription: String? { message }
 }
+
+/// 合作获客员分成比例校验失败错误。
+struct CooperationOrderCommissionRateValidationError: LocalizedError {
+    let message: String
+
+    var errorDescription: String? { message }
+}