Working on save-load system and UI

src/CharacterState.h

@@ -6,6 +6,7 @@
 #include <Eigen/Core>
 #include <Eigen/Geometry>
 #include "external/nlohmann/json.hpp"
+#include "ISaveable.h"
 
 namespace ZL {
 
@@ -44,7 +45,7 @@ struct CharacterCreationInfo {
 
 // All serializable game state for a character.
 // This is a member of Character; rendering-only data lives in Character itself.
-class CharacterState {
+class CharacterState : public ISaveable {
 public:
     // Special index values for attackTargetIndex / faceTargetIndex
     static constexpr int kNoTarget    = -1;  // no target (was nullptr)
@@ -127,8 +128,8 @@ public:
     void                   setHp(float newHp);
 
     // --- Serialisation (runtime mutable fields only; creation info is reloaded from config) ---
-    void save(nlohmann::json& out) const;
-    void load(const nlohmann::json& in);
+    void save(nlohmann::json& out) const override;
+    void load(const nlohmann::json& in) override;
 };
 
 } // namespace ZL