update spirit

tests/logic/PlayerMotionModel.test.ts

@@ -7,9 +7,10 @@ function makeGroundPlatform(): IPlatform {
 
 function makeModel(color: PlayerColorState = PlayerColorState.Red) {
     return new PlayerMotionModel({
-        aabb: { x: 0, y: 16, w: 16, h: 32 }, // character 16x32 resting on y=0 ground
+        aabb: { x: 100, y: 16, w: 16, h: 32 }, // character 16x32 resting on y=0 ground; x=100 avoids level-edge clamp
         platforms: [makeGroundPlatform()],
         initialColorState: color,
+        levelLengthPx: 2000,
     });
 }
 
@@ -27,7 +28,7 @@ describe('PlayerMotionModel — horizontal movement (req 2.1, 5.1-5.2)', () => {
         m.setHorizontalInput(1);
         m.update(1);
         expect(m.vx).toBe(MOVE_SPEED[PlayerColorState.Red]);
-        expect(m.aabb.x).toBeCloseTo(100, 1);
+        expect(m.aabb.x).toBeCloseTo(200, 1);
     });
 
     it('moves at 150 px/s in yellow state', () => {