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/Views/CooperationOrderListView.swift

@@ -9,10 +9,13 @@ import SwiftUI
 
 /// 合作订单主页，展示获客线索与获客订单双 Tab 列表。
 struct CooperationOrderListView: View {
+    @EnvironmentObject private var toastCenter: ToastCenter
     @Environment(\.cooperationOrderAPI) private var cooperationOrderAPI
     @Environment(\.globalLoading) private var globalLoading
     @StateObject private var viewModel = CooperationOrderListViewModel()
     @State private var route: CooperationOrderRoute?
+    /// 扫码绑定页在列表层弹出，避免在 navigationDestination 子页内嵌 fullScreenCover 触发 SwiftUI 栈溢出。
+    @State private var showBindScanner = false
 
     var body: some View {
         VStack(spacing: 0) {
@@ -81,11 +84,28 @@ struct CooperationOrderListView: View {
             }
         }
         .background(CooperationOrderColors.pageBg.ignoresSafeArea())
+        .fullScreenCover(isPresented: $showBindScanner) {
+            OrderScannerPage(
+                onClose: { showBindScanner = false },
+                onSuccess: { raw in
+                    showBindScanner = false
+                    guard let saleUserId = SaleUserQrParser.parseSaleUserId(raw), saleUserId > 0 else {
+                        toastCenter.show("请扫描正确的获客员二维码")
+                        return
+                    }
+                    route = .bind(saleUserId: saleUserId)
+                },
+                onFailure: { error in
+                    showBindScanner = false
+                    toastCenter.show(error.localizedDescription)
+                }
+            )
+        }
         .appNavigationDestination(item: $route) { destination in
             switch destination {
             case .acquirer:
-                CooperationAcquirerView(onBind: { saleUserId in
-                    route = .bind(saleUserId: saleUserId)
+                CooperationAcquirerView(onScanBind: {
+                    showBindScanner = true
                 })
             case let .bind(saleUserId):
                 BindAcquirerView(saleUserId: saleUserId, onSuccess: {