feat(mcp): Validate C++ tools against real-world gencpp components and improve enum support

tests/assets/cpp_samples/base_component.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include <string>
+#include <memory>
+#include <vector>
+
+namespace gencpp {
+namespace core {
+
+/**
+ * @brief Base class for all components in the system.
+ */
+template <typename T>
+class BaseComponent {
+public:
+    virtual ~BaseComponent() = default;
+
+    virtual void Initialize() = 0;
+    virtual void Shutdown() = 0;
+
+    virtual const std::string& GetName() const = 0;
+
+    struct Config {
+        std::string name;
+        int priority;
+        bool enabled;
+
+        class Metadata {
+        public:
+            std::string author;
+            std::string version;
+        };
+        Metadata metadata;
+    };
+
+protected:
+    BaseComponent(const Config& config) : m_config(config) {}
+    Config m_config;
+};
+
+} // namespace core
+} // namespace gencpp