Fix broken tests

src/game/__tests__/generator.test.ts

@@ -64,7 +64,7 @@ describe('World Generator', () => {
         inventory: { gold: 0, items: [] }
       };
       
-      const { world, playerId } = generateWorld(1, runState);
+      const { world } = generateWorld(1, runState);
       
       // Should have player + enemies
       expect(world.actors.size).toBeGreaterThan(1);

src/game/__tests__/simulation.test.ts

@@ -35,7 +35,7 @@ describe('Combat Simulation', () => {
       const events = applyAction(world, 1, { type: 'attack', targetId: 2 });
 
       const enemy = world.actors.get(2)!;
-      expect(enemy.hp).toBeLessThan(10);
+      expect(enemy.stats!.hp).toBeLessThan(10);
       
       // Should have attack event
       expect(events.some(e => e.type === 'attacked')).toBe(true);
@@ -90,7 +90,7 @@ describe('Combat Simulation', () => {
       });
 
       const world = createTestWorld(actors);
-      const events = applyAction(world, 1, { type: 'attack', targetId: 2 });
+      applyAction(world, 1, { type: 'attack', targetId: 2 });
 
       const enemy = world.actors.get(2)!;
       const damage = 10 - enemy.stats!. hp;