refactor(defaults): centralitza constants de bullet, ship, enemy, hud i notifier

source/game/scenes/game_scene.cpp

@@ -674,8 +674,8 @@ void GameScene::drawScoreboard() {
     std::string text = buildScoreboard();
 
     // Parámetros de renderització
-    const float SCALE = 0.85F;
-    const float SPACING = 0.0F;
+    const float SCALE = Defaults::Hud::SCOREBOARD_TEXT_SCALE;
+    const float SPACING = Defaults::Hud::SCOREBOARD_TEXT_SPACING;
 
     // Calcular centro de la zona del marcador
     const SDL_FRect& scoreboard_zone = Defaults::Zones::SCOREBOARD;