Fix broken tests

src/scenes/__tests__/GameScene.test.ts

@@ -13,6 +13,12 @@ vi.mock('phaser', () => {
     input = {
       keyboard: {
         createCursorKeys: vi.fn(() => ({})),
+        addKeys: vi.fn(() => ({
+            W: { isDown: false },
+            A: { isDown: false },
+            S: { isDown: false },
+            D: { isDown: false }
+        })),
         on: vi.fn(),
       },
       on: vi.fn(),

src/scenes/systems/__tests__/ReloadLastWeapon.test.ts

@@ -27,7 +27,6 @@ vi.mock('phaser', () => {
 });
 
 import { PlayerInputHandler } from '../PlayerInputHandler';
-import { GameScene } from '../../GameScene';
 import type { CombatantActor, RangedWeaponItem } from '../../../core/types';
 
 // Minimal mock for GameScene