feat: add smartcmd dedicated server

major bug: when connecting to the server a second time, it gets softlocked and keeps repeating ticking connection A\n in debug logs until it times out.

Minecraft.Server/Console/ServerCliRegistry.h

@@ -0,0 +1,58 @@
+#pragma once
+
+#include <memory>
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+namespace ServerRuntime
+{
+	class IServerCliCommand;
+
+	/**
+	 * **CLI command registry**
+	 */
+	class ServerCliRegistry
+	{
+	public:
+		/**
+		 * **Register a command object**
+		 *
+		 * Validates name/aliases and adds lookup entries.
+		 * コマンドの追加
+		 */
+		bool Register(std::unique_ptr<IServerCliCommand> command);
+
+		/**
+		 * **Find command by name or alias (const)**
+		 *
+		 * Returns null when no match exists.
+		 */
+		const IServerCliCommand *Find(const std::string &name) const;
+
+		/**
+		 * **Find mutable command by name or alias**
+		 *
+		 * Used by runtime dispatch path.
+		 */
+		IServerCliCommand *FindMutable(const std::string &name);
+
+		/**
+		 * **Suggest top-level command names**
+		 *
+		 * Adds matching command names and aliases to the output list.
+		 */
+		void SuggestCommandNames(const std::string &prefix, const std::string &linePrefix, std::vector<std::string> *out) const;
+
+		/**
+		 * **Get registered command list**
+		 *
+		 * Intended for help output and inspection.
+		 */
+		const std::vector<std::unique_ptr<IServerCliCommand>> &Commands() const;
+
+	private:
+		std::vector<std::unique_ptr<IServerCliCommand>> m_commands;
+		std::unordered_map<std::string, IServerCliCommand *> m_lookup;
+	};
+}