[agent:claude-cli] feat(audio): système audio complet — swim loop, boost, block break, echo ping, pearl collect, mort/respawn, deep sea ambient (placeholders AudioStreamGenerator si .ogg absent)

scripts/world/Pearl.gd

@@ -58,5 +58,8 @@ func _on_body_entered(body: Node) -> void:
 		return
 	if body.is_in_group("player"):
 		_collected = true
+		var am: Node = get_node_or_null("/root/AudioManager")
+		if am != null and am.has_method("play_pearl_collect"):
+			am.call("play_pearl_collect", global_position)
 		collected.emit(ITEM_ID_PEARL)
 		queue_free()