feat(whip): separa draw_rect i damage_rect; sprites 80×32 / 16×96; feet_y delegat a l'owner; recover_* per al cooldown

source/game/scenes/game_scene.cpp

@@ -904,8 +904,7 @@ void GameScene::spawnWhip(const WhipSpawnPayload& payload) {
     whip->setOwner(payload.owner);
     whip->configure(
         static_cast<WhipAttack::Direction>(payload.direction),
-        payload.spawn_x,
-        payload.spawn_y,
+        payload.owner_box,
         payload.range_px);
     whip->setSurface(Resource::Cache::get().getSurface(whip->getSurfaceKey()));
     // Donem accés a Hazards i jugadors per a la fase de dany. Sense això