still in the middle of json export, last attempt did not work

src/graph-manager.h

@@ -8,8 +8,8 @@
 #include "nlohmann/json.hpp"
 
 #include "button.h"
-#include "midi-node.h"
 #include "node.h"
+#include "midi-node.h"
 #include "edge.h"
 
 #include <algorithm>
@@ -22,8 +22,21 @@
 #include <ranges>
 #include <vector>
 
+#include "state-io.h"
+
 using json = nlohmann::json;
 
+typedef std::shared_ptr<GraphItem> SPTR_GraphItem;
+typedef std::shared_ptr<Node> SPTR_Node;
+typedef std::shared_ptr<Edge> SPTR_Edge;
+
+typedef std::shared_ptr<Signal> SPTR_Signal;
+
+typedef std::vector<SPTR_GraphItem> VEC_SPTR_GraphItem;
+typedef std::vector<SPTR_Node> VEC_SPTR_Node;
+typedef std::vector<SPTR_Edge> VEC_SPTR_Edge;
+typedef std::vector<SPTR_Signal> VEC_SPTR_Signal;
+
 class GraphManager{
 
 	public:
@@ -280,14 +293,4 @@ class GraphManager{
 
 };
 
-inline void to_json(json& j, const Node& N) {
-	std::vector<int> conns;
-	std::ranges::transform(N.connections.begin(), N.connections.end(), std::back_inserter(conns), [](SPTR_Edge e){ return e->id;});
-	j = json{{"neighbor", N.neighbor}, {"nodeType", N.nodeType}, {"distributionMode", N.distributionMode}, {"connections", conns}};
-
-}
-inline void from_json(const json& j, Node& N) {
-
-}
-
 NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(GraphManager, nodes, edges)