Revamp the prompt system, the bootstrapper system, the starting cinematic

Assets/Scripts/Core/GameManager.cs

@@ -5,6 +5,7 @@ using System.Collections.Generic;
 using AppleHills.Core.Interfaces;
 using Core;
 using UI;
+using Bootstrap;
 
 /// <summary>
 /// Singleton manager for global game state and settings. Provides accessors for various gameplay parameters.
@@ -15,25 +16,9 @@ public class GameManager : MonoBehaviour
     private static bool _isQuitting = false;
 
     /// <summary>
-    /// Singleton instance of the GameManager.
+    /// Singleton instance of the GameManager. No longer creates an instance if one doesn't exist.
     /// </summary>
-    public static GameManager Instance
-    {
-        get
-        {
-            if (_instance == null && Application.isPlaying && !_isQuitting)
-            {
-                _instance = FindAnyObjectByType<GameManager>();
-                if (_instance == null)
-                {
-                    var go = new GameObject("GameManager");
-                    _instance = go.AddComponent<GameManager>();
-                    // DontDestroyOnLoad(go);
-                }
-            }
-            return _instance;
-        }
-    }
+    public static GameManager Instance => _instance;
 
     [Header("Settings Status")]
     [SerializeField] private bool _settingsLoaded = false;
@@ -70,10 +55,13 @@ public class GameManager : MonoBehaviour
         InitializeSettings();
         InitializeDeveloperSettings();
         
+        // Register for post-boot initialization
+        BootCompletionService.RegisterInitAction(InitializePostBoot);
+        
         // DontDestroyOnLoad(gameObject);
     }
     
-    private void Start()
+    private void InitializePostBoot()
     {
         // Find and subscribe to PauseMenu events
         PauseMenu pauseMenu = PauseMenu.Instance;