message: fix inconsistent saves
diff: #include <cstdint>
  #include <deque>
  +#include "game/gamescript.h"
  #include "game/constants.h"
  class Npc;
  @@ -15,8 +16,6 @@ class AiQueue {
  public:
  AiQueue();
  - using ScriptFn = size_t;
  -
  struct AiAction final {
  Action act =AI_None;
  Npc* target=nullptr;
  