Replace CYLTabBarController with native UITabBarController for main tabs.

Use a system scan tab slot with MainScanTabItem interception so scanner presentation no longer depends on CYL PlusButton, and remove the CYLTabBarController pod dependency.

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

Podfile

@@ -5,7 +5,6 @@ target 'suixinkan_ios' do
 
   pod 'SnapKit', '~> 5.7'
   pod 'Kingfisher', '~> 8.0'
-  pod 'CYLTabBarController', '~> 1.99.38'
 
   # 高德地图 SDK 仅支持真机；模拟器通过下方 post_install 剥离链接
   pod 'AMap3DMap-NO-IDFA', '~> 11.1'
@@ -20,7 +19,7 @@ end
 # 模拟器构建时不链接高德（真机专用 framework），仅保留通用 Pod 依赖
 SIMULATOR_OTHER_LDFLAGS = <<~FLAGS.squish
   -ObjC -l"c++" -l"swiftCoreGraphics" -l"z"
-  -framework "Accelerate" -framework "CFNetwork" -framework "CYLTabBarController"
+  -framework "Accelerate" -framework "CFNetwork"
   -framework "Kingfisher" -framework "SnapKit"
   -framework "CoreGraphics" -framework "CoreLocation" -framework "CoreTelephony"
   -framework "CoreText" -framework "ExternalAccessory" -framework "GLKit"

Podfile.lock

@@ -6,9 +6,6 @@ PODS:
     - AMapFoundation-NO-IDFA (>= 1.9.0)
   - AMapSearch-NO-IDFA (9.8.0):
     - AMapFoundation-NO-IDFA (>= 1.9.0)
-  - CYLTabBarController (1.99.38):
-    - CYLTabBarController/Core (= 1.99.38)
-  - CYLTabBarController/Core (1.99.38)
   - Kingfisher (8.10.0)
   - SnapKit (5.7.1)
 
@@ -16,7 +13,6 @@ DEPENDENCIES:
   - AMap3DMap-NO-IDFA (~> 11.1)
   - AMapLocation-NO-IDFA (~> 2.11)
   - AMapSearch-NO-IDFA (~> 9.7)
-  - CYLTabBarController (~> 1.99.38)
   - Kingfisher (~> 8.0)
   - SnapKit (~> 5.7)
 
@@ -26,7 +22,6 @@ SPEC REPOS:
     - AMapFoundation-NO-IDFA
     - AMapLocation-NO-IDFA
     - AMapSearch-NO-IDFA
-    - CYLTabBarController
     - Kingfisher
     - SnapKit
 
@@ -35,10 +30,9 @@ SPEC CHECKSUMS:
   AMapFoundation-NO-IDFA: a2e3c895398d7ee757278e1a0a8f9359da4b146e
   AMapLocation-NO-IDFA: 7cd8fc837ea41edfbf4d937cd20572e277b77d18
   AMapSearch-NO-IDFA: c0afd2a69a076d4228becda4401dbe4a279a03ef
-  CYLTabBarController: 8d46d501757c00e36499ea6b95e86e492fab3a61
   Kingfisher: db468f911dd666c9134dcbeec4db8bed52e4132d
   SnapKit: d612e99e678a2d3b95bf60b0705ed0a35c03484a
 
-PODFILE CHECKSUM: 9659fc63d0173f0286a7da18725e548d86c24ca6
+PODFILE CHECKSUM: 0755512570f68a2459c7ca54e87c58e5a09f215a
 
 COCOAPODS: 1.16.2

suixinkan_ios/App/Navigation/AppTab.swift

@@ -66,6 +66,7 @@ enum AppTab: String, CaseIterable, Identifiable, Hashable {
             image: unselectedImage,
             selectedImage: selectedImage
         )
+        item.accessibilityIdentifier = "main.tab.\(rawValue)"
         return item
     }
 

suixinkan_ios/App/ViewControllers/RootViewController.swift

@@ -106,7 +106,7 @@ final class RootViewController: UIViewController {
         }
     }
 
-    /// 登录后将 `MainTabBarController` 设为 window 根控制器，满足 CYLTabBarController 挂载要求。
+    /// 登录后将 `MainTabBarController` 设为 window 根控制器。
     private func showMainTabBarAsWindowRoot() {
         removeCurrentAuthChild()
 

suixinkan_ios/Features/Main/Main.md

@@ -4,7 +4,7 @@
 
 Main 模块负责登录后的主界面 Tab 容器。
 
-主界面由 `MainTabBarController` 承载，使用 **CYLTabBarController** 展示首页、订单、数据、我的四个 Tab，并在中间提供扫码核销按钮。每个 Tab 内部包裹独立的 `TabNavigationController`，页面路径以 UIKit 导航栈为唯一事实源。
+主界面由 `MainTabBarController` 承载，使用系统 `UITabBarController` 展示首页、订单、扫码、数据、我的五个底部入口。首页、订单、数据、我的四个业务 Tab 内部包裹独立的 `TabNavigationController`，页面路径以 UIKit 导航栈为唯一事实源；中间扫码入口只触发全局扫码，不切换选中页面。
 
 ## Tab 结构
 
@@ -15,6 +15,7 @@ Main 模块负责登录后的主界面 Tab 容器。
 - `profile`：我的
 
 各 Tab 根页面已接入真实业务页面：`HomeViewController`、`OrdersViewController`、`StatisticsViewController`、`ProfileViewController`。
+系统 TabBar 中间额外插入扫码槽位，显示 `MainScanTabItem` 构建的扫码 item。
 
 ## 导航流程
 
@@ -32,7 +33,7 @@ Main 模块负责登录后的主界面 Tab 容器。
 
 ## 扫码核销
 
-TabBar 中间通过 `MainScanPlusButton`（CYLTabBarController PlusButton）展示全局扫码入口，点击后全屏打开 `OrderCodeScannerViewController`：
+TabBar 中间通过 `MainScanTabItem` 展示全局扫码入口，`MainTabBarController` 在 `shouldSelect` 中拦截点击并全屏打开 `OrderCodeScannerViewController`，因此关闭扫码页后仍显示点击前的页面：
 
 1. 扫码成功 → `AppNavigator.openOrdersEntry(.verificationOrders, scannedCode:)` 切换至订单核销入口并传入扫码结果。
 2. `OrdersViewController` 本地保存并消费扫码结果后进入确认核销流程。

suixinkan_ios/Features/Main/ViewControllers/MainTabBarController.swift

@@ -3,26 +3,60 @@
 //  suixinkan
 //
 
-import CYLTabBarController
 import UIKit
 
 @MainActor
-/// 主 Tab 容器，使用 CYLTabBarController 展示四个一级入口及中间扫码按钮。
+/// 主 Tab 容器，使用系统 TabBar 展示四个一级入口及中间扫码按钮。
-final class MainTabBarController: CYLTabBarController {
+final class MainTabBarController: UITabBarController {
 
     private let services: AppServices
     private let badgeViewModel = MainTabBadgeViewModel()
     private var tabNavigationControllers: [AppTab: TabNavigationController] = [:]
     private var isSyncingTabSelection = false
 
+    /// 测试时可注入扫码点击处理，生产环境为空时执行真实扫码展示。
+    var onScanTabSelected: (() -> Void)?
+
+    /// 主 TabBar 固定槽位，扫码槽位只负责触发全局扫码，不参与业务路由。
+    private enum TabSlot: CaseIterable {
+        case home
+        case orders
+        case scan
+        case statistics
+        case profile
+
+        /// 返回槽位对应的业务 Tab，扫码槽位无业务根页面。
+        var appTab: AppTab? {
+            switch self {
+            case .home:
+                return .home
+            case .orders:
+                return .orders
+            case .scan:
+                return nil
+            case .statistics:
+                return .statistics
+            case .profile:
+                return .profile
+            }
+        }
+
+        /// 返回指定业务 Tab 在系统 TabBar 中的槽位索引。
+        static func index(for tab: AppTab) -> Int? {
+            allCases.firstIndex { $0.appTab == tab }
+        }
+
+        /// 返回扫码槽位在系统 TabBar 中的索引。
+        static var scanIndex: Int? {
+            allCases.firstIndex(of: .scan)
+        }
+    }
+
     /// 初始化实例。
     init(services: AppServices) {
         self.services = services
         super.init(nibName: nil, bundle: nil)
-        MainScanPlusButton.onScanTap = { [weak self] in
+        delegate = self
-            self?.presentGlobalScanner()
-        }
-//        delegate   = self
     }
 
     @available(*, unavailable)
@@ -44,13 +78,6 @@ final class MainTabBarController: CYLTabBarController {
         #endif
     }
 
-    /// 控制器释放前清理全局扫码按钮回调。
-    deinit {
-        Task { @MainActor in
-            MainScanPlusButton.onScanTap = nil
-        }
-    }
-
     /// 配置 TabBar 外观，对齐参考工程 CustomMainTabBar 样式。
     private func configureTabBarAppearance() {
         tabBar.tintColor = AppDesign.primary
@@ -76,24 +103,20 @@ final class MainTabBarController: CYLTabBarController {
         tabBar.scrollEdgeAppearance = appearance
     }
 
-    /// 为每个 Tab 创建独立导航栈，并按 CYLTabBarController 要求先配置 Tab 属性再设置控制器。
+    /// 为每个业务 Tab 创建独立导航栈，并在中间插入系统扫码槽位。
     private func configureTabs() {
-        let tabs = AppTab.allCases
+        tabNavigationControllers.removeAll()
-        tabBarItemsAttributes = tabs.map { makeTabBarItemAttributes(for: $0) }
+        viewControllers = TabSlot.allCases.map { slot in
-        viewControllers = tabs.map { tab in
+            if let tab = slot.appTab {
                 let navigationController = TabNavigationController(tab: tab, services: services)
+                navigationController.tabBarItem = tab.makeTabBarItem()
                 tabNavigationControllers[tab] = navigationController
                 return navigationController
             }
+            let scannerPlaceholder = UIViewController()
+            scannerPlaceholder.tabBarItem = MainScanTabItem.makeTabBarItem()
+            return scannerPlaceholder
         }
-
-    /// 构建 CYLTabBarController 识别的 TabBarItem 属性字典。
-    private func makeTabBarItemAttributes(for tab: AppTab) -> [String: String] {
-        [
-            CYLTabBarItemTitle: tab.title,
-            CYLTabBarItemImage: tab.unselectedImageName,
-            CYLTabBarItemSelectedImage: tab.selectedImageName
-        ]
     }
 
     /// 绑定角标 ViewModel 回调。
@@ -132,6 +155,8 @@ final class MainTabBarController: CYLTabBarController {
 
     /// 从 TabBar 中间按钮打开全局扫码页，成功后路由至订单核销入口。
     private func presentGlobalScanner() {
+        guard presentedViewController == nil else { return }
+
         let scanner = OrderCodeScannerViewController()
         scanner.onScanResult = { [weak self, weak scanner] result in
             scanner?.dismiss(animated: true)
@@ -147,9 +172,25 @@ final class MainTabBarController: CYLTabBarController {
         navigationController.modalPresentationStyle = .fullScreen
         present(navigationController, animated: true)
     }
+}
+
+extension MainTabBarController: UITabBarControllerDelegate {
+    /// 用户选择 TabBar 槽位前拦截扫码入口，使关闭扫码页后保留原页面。
+    func tabBarController(_ tabBarController: UITabBarController, shouldSelect viewController: UIViewController) -> Bool {
+        guard viewControllers?.firstIndex(of: viewController) == TabSlot.scanIndex else {
+            return true
+        }
+
+        if let onScanTabSelected {
+            onScanTabSelected()
+        } else {
+            presentGlobalScanner()
+        }
+        return false
+    }
 
     /// 用户点击 TabBar 时刷新订单角标。
-    override func tabBarController(_ tabBarController: UITabBarController, didSelect viewController: UIViewController) {
+    func tabBarController(_ tabBarController: UITabBarController, didSelect viewController: UIViewController) {
         guard !isSyncingTabSelection,
               let navigationController = viewController as? TabNavigationController else { return }
 
@@ -162,7 +203,7 @@ final class MainTabBarController: CYLTabBarController {
 extension MainTabBarController: AppNavigationHost {
     /// 选中指定主 Tab。
     func selectTab(_ tab: AppTab) {
-        guard let index = AppTab.allCases.firstIndex(of: tab) else { return }
+        guard let index = TabSlot.index(for: tab) else { return }
         guard selectedIndex != index else { return }
         isSyncingTabSelection = true
         selectedIndex = index

suixinkan_ios/Features/Main/Views/MainScanPlusButton.swift

@@ -1,87 +0,0 @@
-//
-//  MainScanPlusButton.swift
-//  suixinkan
-//
-
-import CYLTabBarController
-import UIKit
-
-@MainActor
-@objcMembers
-/// 主 TabBar 中间扫码核销按钮，基于 CYLTabBarController 的 PlusButton 机制实现。
-final class MainScanPlusButton: CYLPlusButton, CYLPlusButtonSubclassing {
-
-    /// 点击扫码按钮时的回调，由 `MainTabBarController` 注入。
-    static var onScanTap: (() -> Void)?
-
-    /// 构建中间扫码按钮实例，供 CYLTabBarController 注册使用。
-    static func plusButton() -> Any {
-        let button = MainScanPlusButton()
-        button.setImage(UIImage(named: "icon_scan"), for: .normal)
-        button.titleLabel?.textAlignment = .center
-
-        button.titleLabel?.font = UIFont.systemFont(ofSize: 10)
-        
-        button.setTitle("发布", for: .normal)
-        button.setTitleColor(UIColor.gray, for: .normal)
-        
-        button.setTitle("选中", for: .selected)
-        button.setTitleColor(UIColor(red:255.0/255.0,green:102.0/255.0,blue:0,alpha:1.0), for: .selected)
-        
-        button.adjustsImageWhenHighlighted = false
-        button.sizeToFit()
-        return button
-    }
-
-    /// 指定扫码按钮在 TabBar 中的视觉槽位（位于订单与数据之间）。
-    static func indexOfPlusButtonInTabBar() -> UInt {
-        2
-    }
-
-    /// 调整扫码按钮垂直位置，使其略微凸出 TabBar 顶部。
-    static func constantOfPlusButtonCenterYOffset(forTabBarHeight tabBarHeight: CGFloat) -> CGFloat {
-        -6
-    }
-
-    /// 配置圆形背景与扫码图标，对齐参考工程 CustomMainTabBarCenterAction。
-    private func configureAppearance() {
-        backgroundColor = .clear
-
-        let circleSize: CGFloat = 58
-        let circleView = UIView()
-        circleView.isUserInteractionEnabled = false
-        circleView.backgroundColor = AppDesign.primary
-        circleView.layer.cornerRadius = circleSize / 2
-        addSubview(circleView)
-
-        let symbolConfig = UIImage.SymbolConfiguration(pointSize: 30, weight: .bold)
-        let iconView = UIImageView(
-            image: UIImage(named: "icon_scan")
-        )
-        iconView.tintColor = .white
-        iconView.contentMode = .scaleAspectFit
-        iconView.isUserInteractionEnabled = false
-        addSubview(iconView)
-
-        circleView.translatesAutoresizingMaskIntoConstraints = false
-        iconView.translatesAutoresizingMaskIntoConstraints = false
-        NSLayoutConstraint.activate([
-            circleView.centerXAnchor.constraint(equalTo: centerXAnchor),
-            circleView.centerYAnchor.constraint(equalTo: centerYAnchor),
-            circleView.widthAnchor.constraint(equalToConstant: circleSize),
-            circleView.heightAnchor.constraint(equalToConstant: circleSize),
-            iconView.centerXAnchor.constraint(equalTo: circleView.centerXAnchor),
-            iconView.centerYAnchor.constraint(equalTo: circleView.centerYAnchor),
-            iconView.widthAnchor.constraint(equalToConstant: 30),
-            iconView.heightAnchor.constraint(equalToConstant: 30)
-        ])
-
-        accessibilityLabel = "扫码核销"
-        accessibilityIdentifier = "main.scan"
-    }
-
-    /// 响应用户点击，触发全局扫码流程。
-    @objc private func handleScanTap() {
-        Self.onScanTap?()
-    }
-}

suixinkan_ios/Features/Main/Views/MainScanTabItem.swift

@@ -0,0 +1,21 @@
+//
+//  MainScanTabItem.swift
+//  suixinkan
+//
+
+import UIKit
+
+@MainActor
+/// 主 TabBar 中间扫码核销入口，负责构建系统 TabBarItem。
+enum MainScanTabItem {
+
+    /// 构建系统扫码 TabBarItem，点击行为由 `MainTabBarController` 拦截处理。
+    static func makeTabBarItem() -> UITabBarItem {
+        let image = UIImage(named: "icon_scan")?.withRenderingMode(.alwaysOriginal)
+        let selectedImage = UIImage(named: "icon_scan")?.withRenderingMode(.alwaysOriginal)
+        let item = UITabBarItem(title: "扫码", image: image, selectedImage: selectedImage)
+        item.accessibilityLabel = "扫码核销"
+        item.accessibilityIdentifier = "main.scan"
+        return item
+    }
+}

suixinkan_ios/SceneDelegate.swift

@@ -6,7 +6,6 @@
 //
 
 import UIKit
-import CYLTabBarController
 
 /// 窗口 Scene 代理，负责创建根窗口并挂载会话协调器。
 class SceneDelegate: UIResponder, UIWindowSceneDelegate {
@@ -24,8 +23,6 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
     ) {
         guard let windowScene = scene as? UIWindowScene else { return }
 
-        MainScanPlusButton.register()
-
         AppUITestLaunchState.resetIfNeeded()
 
         let rootViewController = RootViewController()

suixinkan_iosTests/MainScanPlusButtonTests.swift

@@ -1,73 +0,0 @@
-//
-//  MainScanPlusButtonTests.swift
-//  suixinkanTests
-//
-
-import XCTest
-@testable import suixinkan_ios
-
-/// 主 TabBar 中间扫码按钮测试，覆盖 CYL PlusButton 配置。
-@MainActor
-final class MainScanPlusButtonTests: XCTestCase {
-
-    /// 测试扫码按钮位于订单与数据 Tab 之间的视觉槽位。
-    func testIndexOfPlusButtonInTabBarIsBetweenOrdersAndStatistics() {
-        XCTAssertEqual(MainScanPlusButton.indexOfPlusButtonInTabBar(), 2)
-    }
-
-    /// 测试扫码按钮 accessibility 标识与参考工程一致。
-    func testPlusButtonAccessibilityIdentifier() {
-        guard let button = MainScanPlusButton.plusButton() as? UIButton else {
-            XCTFail("plusButton 应返回 UIButton 实例")
-            return
-        }
-
-        XCTAssertEqual(button.accessibilityIdentifier, "main.scan")
-        XCTAssertEqual(button.accessibilityLabel, "扫码核销")
-    }
-
-    /// 测试主 Tab 容器加载时，CYL 控制器数组与 Tab 属性数组保持一致。
-    func testMainTabBarControllerLoadsWithMatchingCYLAttributes() {
-        let services = AppServices(apiClient: APIClient(session: MainTabRecordingURLSession()))
-        let controller = MainTabBarController(services: services)
-
-        controller.loadViewIfNeeded()
-
-        for tab in AppTab.allCases {
-            XCTAssertNotNil(controller.navigationController(for: tab))
-            XCTAssertEqual(
-                controller.navigationController(for: tab)?.tabBarItem.accessibilityIdentifier,
-                "main.tab.\(tab.rawValue)"
-            )
-        }
-    }
-
-    /// 测试各 Tab 的图标资源可被加载并挂载到 tabBarItem。
-    func testMainTabBarControllerTabBarItemsHaveImages() {
-        let services = AppServices(apiClient: APIClient(session: MainTabRecordingURLSession()))
-        let controller = MainTabBarController(services: services)
-        controller.loadViewIfNeeded()
-
-        for tab in AppTab.allCases {
-            let item = controller.navigationController(for: tab)?.tabBarItem
-            XCTAssertNotNil(item?.image, "tab \(tab.rawValue) image should not be nil")
-            XCTAssertNotNil(item?.selectedImage, "tab \(tab.rawValue) selectedImage should not be nil")
-            XCTAssertGreaterThan(item?.image?.size.width ?? 0, 0)
-            XCTAssertGreaterThan(item?.selectedImage?.size.width ?? 0, 0)
-        }
-    }
-}
-
-/// 主 Tab 测试使用的空网络会话，确保容器加载不触发真实请求。
-private final class MainTabRecordingURLSession: URLSessionProtocol {
-    /// 返回空成功响应。
-    func data(for request: URLRequest) async throws -> (Data, URLResponse) {
-        let response = HTTPURLResponse(
-            url: request.url ?? URL(string: "https://example.com")!,
-            statusCode: 200,
-            httpVersion: nil,
-            headerFields: nil
-        )!
-        return (Data(), response)
-    }
-}

suixinkan_iosTests/MainScanTabItemTests.swift

@@ -0,0 +1,115 @@
+//
+//  MainScanTabItemTests.swift
+//  suixinkanTests
+//
+
+import XCTest
+@testable import suixinkan_ios
+
+/// 主 TabBar 中间扫码入口测试，覆盖系统 TabBar 槽位配置。
+@MainActor
+final class MainScanTabItemTests: XCTestCase {
+
+    /// 测试主 Tab 容器加载后包含四个业务 Tab 和中间扫码入口。
+    func testMainTabBarControllerLoadsFiveSystemTabItems() {
+        let services = AppServices(apiClient: APIClient(session: MainTabRecordingURLSession()))
+        let controller = MainTabBarController(services: services)
+
+        controller.loadViewIfNeeded()
+
+        XCTAssertEqual(controller.viewControllers?.count, 5)
+        for tab in AppTab.allCases {
+            XCTAssertNotNil(controller.navigationController(for: tab))
+            XCTAssertEqual(
+                controller.navigationController(for: tab)?.tabBarItem.accessibilityIdentifier,
+                "main.tab.\(tab.rawValue)"
+            )
+        }
+    }
+
+    /// 测试扫码入口位于订单与数据之间，并保留指定无障碍标识。
+    func testScanTabItemIsCenteredBetweenOrdersAndStatistics() throws {
+        let services = AppServices(apiClient: APIClient(session: MainTabRecordingURLSession()))
+        let controller = MainTabBarController(services: services)
+
+        controller.loadViewIfNeeded()
+
+        let scanItem = try XCTUnwrap(controller.viewControllers?[2].tabBarItem)
+        XCTAssertEqual(scanItem.title, "扫码")
+        XCTAssertEqual(scanItem.accessibilityIdentifier, "main.scan")
+        XCTAssertEqual(scanItem.accessibilityLabel, "扫码核销")
+        XCTAssertNotNil(scanItem.image)
+        XCTAssertNotNil(scanItem.selectedImage)
+    }
+
+    /// 测试点击扫码槽位会被拦截且不改变当前选中页面。
+    func testSelectingScanTabPresentsScannerWithoutSelectingPlaceholder() throws {
+        let services = AppServices(apiClient: APIClient(session: MainTabRecordingURLSession()))
+        let controller = MainTabBarController(services: services)
+        var scanTapCount = 0
+        controller.onScanTabSelected = {
+            scanTapCount += 1
+        }
+
+        controller.loadViewIfNeeded()
+        controller.selectedIndex = 1
+
+        let scanController = try XCTUnwrap(controller.viewControllers?[2])
+        XCTAssertFalse(controller.tabBarController(controller, shouldSelect: scanController))
+        XCTAssertEqual(scanTapCount, 1)
+        XCTAssertEqual(controller.selectedIndex, 1)
+    }
+
+    /// 测试业务 Tab 仍允许系统 TabBar 正常选中。
+    func testSelectingBusinessTabIsAllowed() throws {
+        let services = AppServices(apiClient: APIClient(session: MainTabRecordingURLSession()))
+        let controller = MainTabBarController(services: services)
+
+        controller.loadViewIfNeeded()
+
+        let ordersController = try XCTUnwrap(controller.viewControllers?[1])
+        XCTAssertTrue(controller.tabBarController(controller, shouldSelect: ordersController))
+    }
+
+    /// 测试各 Tab 的图标资源可被加载并挂载到 tabBarItem。
+    func testMainTabBarControllerTabBarItemsHaveImages() {
+        let services = AppServices(apiClient: APIClient(session: MainTabRecordingURLSession()))
+        let controller = MainTabBarController(services: services)
+        controller.loadViewIfNeeded()
+
+        for tab in AppTab.allCases {
+            let item = controller.navigationController(for: tab)?.tabBarItem
+            XCTAssertNotNil(item?.image, "tab \(tab.rawValue) image should not be nil")
+            XCTAssertNotNil(item?.selectedImage, "tab \(tab.rawValue) selectedImage should not be nil")
+            XCTAssertGreaterThan(item?.image?.size.width ?? 0, 0)
+            XCTAssertGreaterThan(item?.selectedImage?.size.width ?? 0, 0)
+        }
+    }
+
+    /// 测试订单角标仍挂载在订单业务导航控制器的系统 TabBarItem 上。
+    func testOrderBadgeUsesOrdersNavigationTabBarItem() throws {
+        let services = AppServices(apiClient: APIClient(session: MainTabRecordingURLSession()))
+        let controller = MainTabBarController(services: services)
+
+        controller.loadViewIfNeeded()
+
+        let ordersNavigationController = try XCTUnwrap(controller.navigationController(for: .orders))
+        ordersNavigationController.tabBarItem.badgeValue = "3"
+
+        XCTAssertEqual(controller.viewControllers?[1].tabBarItem.badgeValue, "3")
+    }
+}
+
+/// 主 Tab 测试使用的空网络会话，确保容器加载不触发真实请求。
+private final class MainTabRecordingURLSession: URLSessionProtocol {
+    /// 返回空成功响应。
+    func data(for request: URLRequest) async throws -> (Data, URLResponse) {
+        let response = HTTPURLResponse(
+            url: request.url ?? URL(string: "https://example.com")!,
+            statusCode: 200,
+            httpVersion: nil,
+            headerFields: nil
+        )!
+        return (Data(), response)
+    }
+}

功能同步Checklist.md

@@ -29,7 +29,7 @@
 | 状态 | 模块 | UIKit 实现 | 剩余事项 |
 | --- | --- | --- | --- |
 | 完成 | App 根结构 | `RootViewController` 监听登录阶段；登录后 `MainTabBarController` 作为 window 根控制器 | 持续随路由扩展 |
-| 完成 | Tab 导航 | CYLTabBarController 四 Tab + 中间扫码按钮 + 独立 `TabNavigationController`；push 子页隐藏 TabBar。 | 后续新增真实子页面时继续复用 `AppRoute`。 |
+| 完成 | Tab 导航 | 系统 UITabBarController 五入口（首页、订单、扫码、数据、我的）+ 独立 `TabNavigationController`；扫码入口拦截后 present 扫码页，push 子页隐藏 TabBar。 | 后续新增真实子页面时继续复用 `AppRoute`。 |
 | 完成 | 全局状态 | `AppServices.shared` 注入 Session / Context / Router / Toast / Loading | 避免新增 monolith 状态 |
 | 完成 | 登录态缓存 | Keychain token + UserDefaults 快照 / 偏好 + 冷启动恢复 | — |
 | 完成 | 网络框架 | `APIClient` / `APIEnvelope` / 统一错误与 token | — |