refactor(audio): renombrar explosion/explosion2 a enemy_explosion/player_explosion

source/core/defaults/audio.hpp

@@ -35,8 +35,8 @@ namespace Defaults::Music {
 namespace Defaults::Sound {
 
     constexpr const char* CONTINUE = "effects/continue.wav";                     // Cuenta atras
-    constexpr const char* EXPLOSION = "effects/explosion.wav";                   // Explosión
-    constexpr const char* EXPLOSION2 = "effects/explosion2.wav";                 // Explosión alternativa
+    constexpr const char* ENEMY_EXPLOSION = "effects/enemy_explosion.wav";       // Explosió d'enemic (debris default)
+    constexpr const char* PLAYER_EXPLOSION = "effects/player_explosion.wav";     // Explosió de la nau del jugador
     constexpr const char* FRIENDLY_FIRE_HIT = "effects/friendly_fire.wav";       // Friendly fire hit
     constexpr const char* HIT = "effects/hit.wav";                               // Enemic ferit (primer impacte → HURT)
     constexpr const char* HURT = "effects/hurt.wav";                             // Nau pròpia entra a HURT

source/game/effects/debris_manager.hpp

@@ -64,7 +64,7 @@ namespace Effects {
             const Vec2& velocitat_objecte = {.x = 0.0F, .y = 0.0F},
             float velocitat_angular = 0.0F,
             float factor_herencia_visual = 0.0F,
-            const std::string& sound = Defaults::Sound::EXPLOSION,
+            const std::string& sound = Defaults::Sound::ENEMY_EXPLOSION,
             SDL_Color color = {0, 0, 0, 0},  // alpha==0 → fragmentos usan oscilador global
             float lifetime = Defaults::Physics::Debris::TEMPS_VIDA,
             float friction = Defaults::Physics::Debris::ACCELERACIO,

source/game/scenes/game_scene.cpp

@@ -801,7 +801,7 @@ void GameScene::tocado(uint8_t player_id, const Vec2& bullet_velocity) {
             INHERITED_VEL,
             0.0F,  // sense herència angular
             0.0F,  // sin herencia visual
-            Defaults::Sound::EXPLOSION2,
+            Defaults::Sound::PLAYER_EXPLOSION,
             ships_[player_id].getConfig().colors.normal,
             Defaults::Physics::Debris::ENEMY_LIFETIME,
             Defaults::Physics::Debris::ENEMY_FRICTION,

source/game/systems/enemy_event_dispatcher.cpp

@@ -48,7 +48,7 @@ namespace Systems::EnemyEvents {
                 INHERITED_VEL,
                 0.0F,
                 0.0F,
-                Defaults::Sound::EXPLOSION,
+                Defaults::Sound::ENEMY_EXPLOSION,
                 color,
                 Defaults::Physics::Debris::ENEMY_LIFETIME,
                 Defaults::Physics::Debris::ENEMY_FRICTION,