Initial commit: suixinkan_ios UIKit rewrite project.

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

suixinkan_ios/App/Navigation/UIKitAppNavigation.swift

@@ -0,0 +1,46 @@
+//
+//  UIKitAppNavigation.swift
+//  suixinkan
+//
+//  Created by Codex on 2026/6/26.
+//
+
+import UIKit
+
+@MainActor
+/// UIKit 导航协调器，供 AppRouter、推送和 UI Test 复用。
+enum UIKitAppNavigation {
+    weak static var homeNavigationController: UINavigationController?
+    weak static var profileNavigationController: UINavigationController?
+
+    /// Push 首页子模块页面。
+    static func pushHomeRoute(_ route: HomeRoute, animated: Bool = true) {
+        let viewController = AppRouteViewControllerFactory.makeViewController(for: route, services: AppServices.shared)
+        homeNavigationController?.pushViewController(viewController, animated: animated)
+    }
+
+    /// Push 个人中心子页面。
+    static func pushProfileRoute(_ route: ProfileRoute, animated: Bool = true) {
+        let viewController = AppRouteViewControllerFactory.makeViewController(
+            for: .profile(route),
+            services: AppServices.shared
+        )
+        profileNavigationController?.pushViewController(viewController, animated: animated)
+    }
+}
+
+extension AppRouter {
+    /// 同步路由栈并执行 UIKit push。
+    func navigateHome(_ route: HomeRoute, animated: Bool = true) {
+        select(.home)
+        router(for: .home).navigate(to: .home(route))
+        UIKitAppNavigation.pushHomeRoute(route, animated: animated)
+    }
+
+    /// 同步路由栈并执行 UIKit push。
+    func navigateProfile(_ route: ProfileRoute, animated: Bool = true) {
+        select(.profile)
+        router(for: .profile).navigate(to: .profile(route))
+        UIKitAppNavigation.pushProfileRoute(route, animated: animated)
+    }
+}