Added new HTN operations and preconditions (#27486)

* Added new HTN operations & preconditions

* Ok I forgot about partial

* Namespace pierce the skies

* Some fixes, debug and new operators

* Bruh git eat my files

Content.Server/NPC/HTN/Preconditions/Math/KeyFloatLessPrecondition.cs

@@ -0,0 +1,17 @@
+namespace Content.Server.NPC.HTN.Preconditions.Math;
+
+public sealed partial class KeyFloatLessPrecondition : HTNPrecondition
+{
+    [Dependency] private readonly IEntityManager _entManager = default!;
+
+    [DataField(required: true)]
+    public string Key = string.Empty;
+
+    [DataField(required: true)]
+    public float Value;
+
+    public override bool IsMet(NPCBlackboard blackboard)
+    {
+        return blackboard.TryGetValue<float>(Key, out var value, _entManager) && value < Value;
+    }
+}