lower cmake version and start drafting mcd

src/message_command_dispatcher.hpp

@@ -0,0 +1,35 @@
+#pragma once
+
+#include <solanaceae/message3/registry_message_model.hpp>
+
+// fwd
+struct ConfigModelI;
+
+class MessageCommandDispatcher : public RegistryMessageModelEventI {
+	Contact3Registry& _cr;
+	RegistryMessageModel& _rmm;
+	ConfigModelI& _conf;
+
+	public:
+		MessageCommandDispatcher(Contact3Registry& cr, RegistryMessageModel& rmm, ConfigModelI& conf);
+		~MessageCommandDispatcher(void);
+
+		void iterate(float time_delta); // do we?
+
+		// module command/command <param type(s)>
+		// permissions?
+		//  - user(s)
+		//  - group(s)
+		//  - everyone else?
+		// callable
+		// help text?
+		void registerCommand(
+			std::string_view module,
+			std::string_view command
+		);
+
+	protected: // mm
+		bool onEvent(const Message::Events::MessageConstruct& e) override;
+		bool onEvent(const Message::Events::MessageUpdated& e) override;
+};
+