Checkpoint 1：依赖锁定与运行开关落地

- 在 `SimulationWorld` 里添加 P2 运行开关 `UseJobSimulation` 与 `UseBurstJobs`
- 添加依赖包：
	1. burst: 1.8.28
	2. collections: 2.5.7
	3. Mathematics: 1.3.2
	4. jobs（不单独成包）
- 运行测试，均通过

Assets/GameMain/Scripts/Simulation/SimulationWorld.cs

@@ -35,6 +35,8 @@ namespace Simulation
         }
 
         [SerializeField] private bool _useSimulationMovement;
+        [SerializeField] private bool _useJobSimulation;
+        [SerializeField] private bool _useBurstJobs = true;
 
         private EntitySync _entitySync;
         private Presentation _presentation;
@@ -53,12 +55,24 @@ namespace Simulation
         public IReadOnlyList<ProjectileSimData> Projectiles => _projectiles;
         public IReadOnlyList<PickupSimData> Pickups => _pickups;
         public bool UseSimulationMovement => _useSimulationMovement;
+        public bool UseJobSimulation => _useJobSimulation;
+        public bool UseBurstJobs => _useBurstJobs;
 
         public void SetUseSimulationMovement(bool enabled)
         {
             _useSimulationMovement = enabled;
         }
 
+        public void SetUseJobSimulation(bool enabled)
+        {
+            _useJobSimulation = enabled;
+        }
+
+        public void SetUseBurstJobs(bool enabled)
+        {
+            _useBurstJobs = enabled;
+        }
+
         protected override void Awake()
         {
             base.Awake();
@@ -266,6 +280,17 @@ namespace Simulation
                 return;
             }
 
+            if (_useJobSimulation)
+            {
+                // Checkpoint 1: the switch is in place; Checkpoint 3+ will replace this with jobified path.
+                using (CustomProfilerMarker.TickEnemies.Auto())
+                {
+                    TickEnemies(in context);
+                }
+
+                return;
+            }
+
             using (CustomProfilerMarker.TickEnemies.Auto())
             {
                 TickEnemies(in context);