refactor(runtime): extract local teleport and player mode

Move local teleport, player-mode, animation, shadow, and sealed-dungeon lifetimes out of GameWindow. Make player-mode entry transactional and isolate approach completions by controller lifetime and approach generation so stale callbacks cannot affect replacements.

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

src/AcDream.App/Input/GameplayInputFrameController.cs

@@ -31,7 +31,9 @@ internal sealed class CombatAttackInputFrameAdapter : ICombatInputFrameControlle
 /// Owns the complete pre-object input frame: held semantic dispatch, one raw
 /// mouse-look sample, and combat attack intent.
 /// </summary>
-internal sealed class GameplayInputFrameController : IGameplayInputFramePhase
+internal sealed class GameplayInputFrameController
+    : IGameplayInputFramePhase,
+      AcDream.App.Streaming.ILocalPlayerTeleportInputLifetime
 {
     private readonly InputDispatcher? _dispatcher;
     private readonly DispatcherMovementInputSource _movement;