M0：项目基础配置就绪（横屏锁定、Swift 6、代码启动）

- 锁定 iPhone/iPad 仅横屏（LandscapeLeft/Right），契合 H5 端
  1280×720 设计分辨率；UIRequiresFullScreen=true 防 iPad
  多任务下方向不锁
- Swift Language Version 升到 6.0（配合已启用的
  Approachable Concurrency + MainActor 默认隔离）
- 删除默认 Main.storyboard / ViewController.swift 模板，
  改用 SceneDelegate 代码创建 RootViewController 启动，
  Build Settings 同步清空 INFOPLIST_KEY_UIMainStoryboardFile
- Info.plist 补齐契约项 UIStatusBarHidden=NO、
  UIViewControllerBasedStatusBarAppearance=YES，配合
  AppDelegate 启动时设置 applicationSupportsShakeToEdit=true
  覆盖契约 §4.2.1 摇一摇前置
- BuildProject 通过验证

ylgamehall/SceneDelegate.swift

@@ -2,51 +2,20 @@
 //  SceneDelegate.swift
 //  ylgamehall
 //
-//  Created by Joywayer on 2026/6/21.
-//
 
 import UIKit
 
-class SceneDelegate: UIResponder, UIWindowSceneDelegate {
+final class SceneDelegate: UIResponder, UIWindowSceneDelegate {
 
     var window: UIWindow?
 
-
-    func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
-        // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`.
-        // If using a storyboard, the `window` property will automatically be initialized and attached to the scene.
-        // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead).
-        guard let _ = (scene as? UIWindowScene) else { return }
+    func scene(_ scene: UIScene,
+               willConnectTo session: UISceneSession,
+               options connectionOptions: UIScene.ConnectionOptions) {
+        guard let windowScene = scene as? UIWindowScene else { return }
+        let window = UIWindow(windowScene: windowScene)
+        window.rootViewController = RootViewController()
+        self.window = window
+        window.makeKeyAndVisible()
     }
-
-    func sceneDidDisconnect(_ scene: UIScene) {
-        // Called as the scene is being released by the system.
-        // This occurs shortly after the scene enters the background, or when its session is discarded.
-        // Release any resources associated with this scene that can be re-created the next time the scene connects.
-        // The scene may re-connect later, as its session was not necessarily discarded (see `application:didDiscardSceneSessions` instead).
-    }
-
-    func sceneDidBecomeActive(_ scene: UIScene) {
-        // Called when the scene has moved from an inactive state to an active state.
-        // Use this method to restart any tasks that were paused (or not yet started) when the scene was inactive.
-    }
-
-    func sceneWillResignActive(_ scene: UIScene) {
-        // Called when the scene will move from an active state to an inactive state.
-        // This may occur due to temporary interruptions (ex. an incoming phone call).
-    }
-
-    func sceneWillEnterForeground(_ scene: UIScene) {
-        // Called as the scene transitions from the background to the foreground.
-        // Use this method to undo the changes made on entering the background.
-    }
-
-    func sceneDidEnterBackground(_ scene: UIScene) {
-        // Called as the scene transitions from the foreground to the background.
-        // Use this method to save data, release shared resources, and store enough scene-specific state information
-        // to restore the scene back to its current state.
-    }
-
-
 }
-