Fix TabBar icon assets and simplify Podfile post_install.

Rename tab icons to snake_case with @2x/@3x scales, register CYL plus button at app launch, and remove redundant Podfile hooks already covered by the Xcode project.

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

suixinkan_ios/Features/Main/ViewControllers/MainTabBarController.swift

@@ -18,12 +18,11 @@ final class MainTabBarController: CYLTabBarController {
     /// 初始化实例。
     init(services: AppServices) {
         self.services = services
-        MainScanPlusButton.register()
         super.init(nibName: nil, bundle: nil)
         MainScanPlusButton.onScanTap = { [weak self] in
             self?.presentGlobalScanner()
         }
-        delegate = self
+//        delegate   = self
     }
 
     @available(*, unavailable)
@@ -86,11 +85,10 @@ final class MainTabBarController: CYLTabBarController {
             tabNavigationControllers[tab] = navigationController
             return navigationController
         }
-        applyTabAccessibilityIdentifiers()
     }
 
     /// 构建 CYLTabBarController 识别的 TabBarItem 属性字典。
-    private func makeTabBarItemAttributes(for tab: AppTab) -> [String: Any] {
+    private func makeTabBarItemAttributes(for tab: AppTab) -> [String: String] {
         [
             CYLTabBarItemTitle: tab.title,
             CYLTabBarItemImage: tab.unselectedImageName,
@@ -98,13 +96,6 @@ final class MainTabBarController: CYLTabBarController {
         ]
     }
 
-    /// CYL 会根据属性字典重建 TabBarItem，因此在设置控制器后补充自动化标识。
-    private func applyTabAccessibilityIdentifiers() {
-        for tab in AppTab.allCases {
-            tabNavigationControllers[tab]?.tabBarItem.accessibilityIdentifier = "main.tab.\(tab.rawValue)"
-        }
-    }
-
     /// 绑定角标 ViewModel 回调。
     private func bindBadgeViewModel() {
         badgeViewModel.onChange = { [weak self] in