Refactor pointer capture logic and remove third-person pointer lock target clearing

tests/unit/runtime-host.test.ts

@@ -3889,58 +3889,6 @@ describe("RuntimeHost", () => {
     host.dispose();
   });
 
-  it("clears the active target when third-person pointer lock drops on Escape", () => {
-    const host = new RuntimeHost({
-      enableRendering: false
-    });
-    const hostInternals = host as unknown as {
-      runtimeScene: unknown;
-      activeController: unknown;
-      thirdPersonController: unknown;
-      activeRuntimeTargetReference: {
-        kind: "npc" | "interactable";
-        entityId: string;
-      } | null;
-      controllerContext: {
-        setPlayerControllerTelemetry(telemetry: unknown): void;
-      };
-    };
-
-    hostInternals.runtimeScene = {
-      playerInputBindings: {
-        keyboard: {
-          clearTarget: "Escape"
-        }
-      },
-      entities: {
-        cameraRigs: [],
-        interactables: [],
-        npcs: []
-      }
-    } as never;
-    hostInternals.activeController = hostInternals.thirdPersonController;
-    hostInternals.activeRuntimeTargetReference = {
-      kind: "npc",
-      entityId: "npc-active"
-    };
-
-    hostInternals.controllerContext.setPlayerControllerTelemetry({
-      pointerLocked: true,
-      hooks: {
-        audio: null
-      }
-    });
-    hostInternals.controllerContext.setPlayerControllerTelemetry({
-      pointerLocked: false,
-      hooks: {
-        audio: null
-      }
-    });
-
-    expect(hostInternals.activeRuntimeTargetReference).toBeNull();
-    host.dispose();
-  });
-
   it("switches an active target once from directional screen-space look input", () => {
     const host = new RuntimeHost({
       enableRendering: false