Merge origin/main: 2.0 protocol cars and traffic config

StandardScene.Core/Chained/AbstractLoopMission.cs

@@ -336,7 +336,7 @@ namespace StandardScene.Chained
         /// </summary>
         /// <param name="siteId">站点ID</param>
         /// <returns>找到的车辆，未找到返回 null</returns>
-        protected Car FindCarArrivedAtSite(int siteId)
+        protected virtual Car FindCarArrivedAtSite(int siteId)
         {
             try
             {
@@ -1028,7 +1028,6 @@ namespace StandardScene.Chained
         /// <param name="reverse">是否倒车，默认为 false</param>
         public async Task GoSite(AbstractCar car, Site targetSite, string action = "/", bool reverse = false)
         {
-           
             try
             {
                 // 创建路径规划
@@ -1039,8 +1038,8 @@ namespace StandardScene.Chained
 
                 // 查找从当前位置到目标站点的路径
                 plan.FindRoute(SimpleLib.GetSite(car.GetLastSite()), targetSite);
-                
-                // 编译并执行移动脚本
+
+                // 编译并执行移动脚本（默认 Forecast）
                 var program = plan.Compile("move");
 
                 // 标记车辆为占用状态
@@ -1059,6 +1058,22 @@ namespace StandardScene.Chained
             }
             catch (Exception ex)
             {
+                try
+                {
+                    car.tags.Remove("occupied");
+                    if (car is Car trafficCar && car.GetLastSite() > 0)
+                    {
+                        var currentSite = SimpleLib.GetSite(car.GetLastSite());
+                        if (currentSite != null)
+                        {
+                            trafficCar.TrafficReset(currentSite, true, strict: false);
+                        }
+                    }
+                }
+                catch
+                {
+                }
+
                 // 记录异常并等待后重试
                 Diagnosis.Post(
                     $"{car.name}循环任务报错{ExceptionFormatter.FormatEx(ex)}--去往循环点id:{targetSite.id},name:{targetSite.name}",