Tie NPC services to plans (#16451)

Content.Server/NPC/HTN/HTNComponent.cs

@@ -14,19 +14,18 @@ public sealed class HTNComponent : NPCComponent
      DataField("rootTask", required: true, customTypeSerializer: typeof(PrototypeIdSerializer<HTNCompoundTask>))]
     public string RootTask = default!;
 
+    /// <summary>
+    /// Check any active services for our current plan. This is used to find new targets for example without changing our plan.
+    /// </summary>
+    [DataField("checkServices")]
+    public bool CheckServices = true;
+
     /// <summary>
     /// The NPC's current plan.
     /// </summary>
     [ViewVariables]
     public HTNPlan? Plan;
 
-    // TODO: Need dictionary timeoffsetserializer.
-    /// <summary>
-    /// Last time we tried a particular <see cref="UtilityService"/>.
-    /// </summary>
-    [DataField("serviceCooldowns")]
-    public Dictionary<string, TimeSpan> ServiceCooldowns = new();
-
     /// <summary>
     /// How long to wait after having planned to try planning again.
     /// </summary>