Update runtime interaction tests for target coordinates and range validation

tests/unit/runtime-interaction-system.test.ts

@@ -303,16 +303,20 @@ describe("runtime interaction targeting", () => {
         entityId: topNpc.entityId
       })?.center.y
     ).toBeCloseTo(3.6);
+    const customCenter = resolveRuntimeTargetReference(scene, {
+      kind: "npc",
+      entityId: customNpc.entityId
+    })?.center;
+
+    expect(customCenter?.x).toBeCloseTo(14);
+    expect(customCenter?.y).toBeCloseTo(1.5);
+    expect(customCenter?.z).toBeCloseTo(3);
     expect(
       resolveRuntimeTargetReference(scene, {
         kind: "npc",
         entityId: customNpc.entityId
-      })?.center
+      })?.range
-    ).toMatchObject({
+    ).toBeGreaterThan(0);
-      x: 14,
-      y: 1.5,
-      z: 3
-    });
   });
 
   it("captures off-center targets without ray dead zones", () => {