fix: rename shadowed 'visible' param, prefix unused 'impulse' with underscore

characters/humanoid_model.gd

@@ -192,10 +192,10 @@ func apply_skin(skin: PlayerSkin) -> void:
 		skin_model = null
 	_apply_color(skin.color_tint)
 
-func _set_procedural_visible(visible: bool) -> void:
+func _set_procedural_visible(is_visible: bool) -> void:
 	for part in [torso, head, upper_arm_l, lower_arm_l, upper_arm_r, lower_arm_r, thigh_l, calf_l, thigh_r, calf_r]:
 		if part:
-			part.visible = visible
+			part.visible = is_visible
 
 func _apply_color(col: Color) -> void:
 	var mat = StandardMaterial3D.new()

entities/target_dummy.gd

@@ -33,7 +33,7 @@ func _ready() -> void:
 	dps_label.modulate = Color(1, 0.8, 0)
 	add_child(dps_label)
 
-func take_damage(amount: float, hit_position: Vector3, source: Node = null, impulse: Vector3 = Vector3.ZERO) -> void:
+func take_damage(amount: float, hit_position: Vector3, source: Node = null, _impulse: Vector3 = Vector3.ZERO) -> void:
 	var now = Time.get_ticks_msec() / 1000.0
 	damage_history.append({"time": now, "amount": amount})