refactor(runtime): cut graphical host over to canonical root

Make every App composition phase borrow one GameRuntime, retire the duplicate view/event adapters, and dispose the root only after its graphical borrowers release. This preserves synchronous UI commands while giving shutdown one exact ownership ledger.

Co-authored-by: OpenAI Codex <codex@openai.com>

src/AcDream.App/Runtime/CurrentGameRuntimeCommandAdapter.cs

@@ -30,25 +30,25 @@ internal sealed class CurrentGameRuntimeCommandAdapter
     private readonly LiveSessionController _session;
     private readonly LiveSessionHost _sessionHost;
     private readonly ICommandBus _commands;
-    private readonly CurrentGameRuntimeViewAdapter _view;
+    private readonly IGameRuntimeView _view;
     private readonly RuntimeInventoryState _inventory;
     private readonly RuntimeCharacterState _character;
     private readonly RuntimeActionState _actions;
     private readonly RuntimeLocalPlayerMovementState _movement;
     private readonly SelectionInteractionController _selection;
-    private readonly ICurrentGameRuntimeEventSink _events;
+    private readonly IGameRuntimeEventSink _events;
 
     public CurrentGameRuntimeCommandAdapter(
         LiveSessionController session,
         LiveSessionHost sessionHost,
         ICommandBus commands,
-        CurrentGameRuntimeViewAdapter view,
+        IGameRuntimeView view,
         RuntimeInventoryState inventory,
         RuntimeCharacterState character,
         RuntimeActionState actions,
         RuntimeLocalPlayerMovementState movement,
         SelectionInteractionController selection,
-        ICurrentGameRuntimeEventSink events)
+        IGameRuntimeEventSink events)
     {
         _session = session ?? throw new ArgumentNullException(nameof(session));
         _sessionHost = sessionHost ?? throw new ArgumentNullException(nameof(sessionHost));
@@ -80,7 +80,7 @@ internal sealed class CurrentGameRuntimeCommandAdapter
             ToCommandStatus(result.Status),
             result.CharacterId,
             result.CharacterName);
-        _events.EmitLifecycle(previous);
+        _events.EmitLifecycle(previous, _view.Lifecycle.State);
         return result;
     }
 
@@ -100,7 +100,7 @@ internal sealed class CurrentGameRuntimeCommandAdapter
             ToCommandStatus(result.Status),
             result.CharacterId,
             result.CharacterName);
-        _events.EmitLifecycle(previous);
+        _events.EmitLifecycle(previous, _view.Lifecycle.State);
         return result;
     }
 
@@ -125,7 +125,7 @@ internal sealed class CurrentGameRuntimeCommandAdapter
             operation: 2,
             acknowledgement.Status,
             text: acknowledgement.Error?.GetType().Name ?? string.Empty);
-        _events.EmitLifecycle(previous);
+        _events.EmitLifecycle(previous, _view.Lifecycle.State);
         return acknowledgement;
     }
 
@@ -674,7 +674,7 @@ internal sealed class CurrentGameRuntimeCommandAdapter
         RuntimeGenerationToken expectedGeneration,
         bool requireWorld)
     {
-        if (!_view.IsActive)
+        if (_view.Lifecycle.State == RuntimeLifecycleState.Disposed)
             return RuntimeCommandStatus.Inactive;
         if (expectedGeneration != _view.Generation)
             return RuntimeCommandStatus.StaleGeneration;