Gave up on trying to get the GOAP algorithm to correctly apply the cost structure to competing choices, and instead I take the resulting action list and simply find the next best one based on cost.

ai.hpp

@@ -23,6 +23,7 @@ namespace ai {
     EntityAI() {};
 
     bool wants_to(std::string name);
+    ai::Action& best_fit();
 
     bool active();
 
@@ -58,6 +59,5 @@ namespace ai {
   ActionPlan plan(std::string script_name, State start, State goal);
 
   /* Mostly used for debugging and validation. */
-  AIProfile* profile();
   void check_valid_action(std::string name, std::string msg);
 }