migrant input: commit abans que gemini destroçe algo

source/input.h

@@ -11,10 +11,6 @@
 #include "gamepad_config_manager.h"
 #include "input_types.h"
 
-// Forward declaration para evitar dependencia circular
-// struct GamepadConfig;
-// class GamepadConfigManager;
-
 // Clase Input: gestiona la entrada de teclado y mandos (singleton)
 class Input {
     public:
@@ -166,6 +162,7 @@ class Input {
         void printConnectedGamepads() const;
 
         [[nodiscard]] auto getGamepads() const -> const std::vector<std::shared_ptr<Gamepad>> & { return gamepads_; }
+        std::shared_ptr<Gamepad> findAvailableGamepadByName(const std::string &gamepad_name);
 
     private:
         // --- Constantes ---