restore test level and dust2 from main branch

scenes/maps/level_runtime.gd

@@ -1,5 +1,5 @@
 extends Node3D
-## Runtime level builder - attaches to LevelRuntime node.
+class_name LevelRuntime
 
 var _speed_label: Label
 var _state_label: Label
@@ -141,27 +141,13 @@ func _spawn_player(pid: int) -> CharacterBody3D:
 	if mover_script:
 		player.set_script(mover_script)
 		
-	# Visual Model for Player
-	var is_local = (pid == multiplayer.get_unique_id())
-	if is_local:
-		# Local player: use skinned Miku model with animations
-		var skinned = load("res://characters/skinned_player_model.gd").new()
-		skinned.name = "SkinnedModel"
-		skinned.model_path = "res://assets/characters/skins/miku_proper_anim.glb"
-		skinned.scale_factor = 1.25
-		skinned.position_y_offset = -0.2
-		skinned.position = Vector3(0, 0.0, 0)
-		skinned.first_person_mode = true
-		player.add_child(skinned)
-		print("LevelRuntime: added SkinnedModel for local player")
-	else:
-		# Remote players: use procedural humanoid
-		var humanoid = load("res://characters/humanoid_model.gd").new()
-		humanoid.name = "HumanoidModel"
-		humanoid.color = Color(0.2, 0.4, 0.8)
-		humanoid.shadows_only = false
-		humanoid.position = Vector3(0, -0.9, 0)
-		player.add_child(humanoid)
+	# Humanoid Model for Player (Shadows only locally, visible to others)
+	var humanoid = load("res://characters/humanoid_model.gd").new()
+	humanoid.name = "HumanoidModel"
+	humanoid.color = Color(0.2, 0.4, 0.8) # Blueish for player
+	humanoid.shadows_only = (pid == multiplayer.get_unique_id())
+	humanoid.position = Vector3(0, -0.9, 0) # Offset from center to feet
+	player.add_child(humanoid)
 
 	# Movement State Machine
 	var sm := Node.new()
@@ -223,6 +209,7 @@ func _spawn_player(pid: int) -> CharacterBody3D:
 	head_pivot.params = player.params
 
 	# Authority configuration
+	var is_local = (pid == multiplayer.get_unique_id())
 	if is_local:
 		_player = player
 		player.set_physics_process(true)