fix(): 修复重启后切换模式后相机丢失BUG，修复重启后UI绑定失效的BUG，将GameManager移动到Gameplay

Assets/Script/Gameplay/Global/GameFlowManager.cs

@@ -23,7 +23,7 @@ namespace Script.Gameplay.Global
         private void Start()
         {
             _gameCountdownManager = GameCountdownManager.Instance;
-            _gameCountdownManager.StartLevelTimer();
+            GameManager.Instance.OnGameStart += OnGameStart;
             _gameCountdownManager.OnFinish.AddListener(() =>
                 {
                     if (IsOpenRestartGameOnCountdownFinish)
@@ -32,11 +32,16 @@ namespace Script.Gameplay.Global
             );
         }
 
+        public void OnGameStart()
+        {
+            _gameCountdownManager.StartLevelTimer();
+        }
+
         public IEnumerator OnCountDown()
         {
             StartCoroutine(ScreenGlitchManager.Instance.TriggerGlitchEffect());
             yield return new WaitForSeconds(1.0f);
-            GameManager.Instance.ReStartGameplay();
+            GameManager.Instance.StartGameplay();
         }
     }
 }

Assets/Script/Gameplay/Global/GameManager.cs

@@ -0,0 +1,26 @@
+
+using System;
+using Core;
+namespace Script.Gameplay.Global
+{
+    public class GameManager : MonoSingleton<GameManager>
+    {
+        public event Action OnGameStart;
+        private void Start()
+        {
+            ScenesManager.Instance.LoadMainMenu();
+        }
+
+        public void StartGameplay()
+        {
+            ScenesManager.Instance.LoadGameplay("Level1");
+            OnGameStart?.Invoke();
+        }
+
+        public void StartTest()
+        {
+            ScenesManager.Instance.LoadGameplay("Test");
+            OnGameStart?.Invoke();
+        }
+    }
+}

Assets/Script/Gameplay/Global/GameManager.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: db200c814b6e4465843d7ebc113fd9d0
+timeCreated: 1760362855