load jets to a collection; wire up cpu controller pattern

scripts/controllers/spawn_system/spawn_controller.gd

@@ -40,6 +40,8 @@ func spawn_jet(faction: Globals.Faction, callback: Callable) -> Jet:
 		if not spawner.is_available:       continue
 
 		jet = callback.call(faction)
+		jets_collection.add_child.call(jet)
+
 		spawner.align_to_position.call_deferred(jet)
 
 	return jet

scripts/controllers/spawn_system/spawner.gd

@@ -16,9 +16,6 @@ func _debug_setup() -> void:
 		visible = false
 		return
 
-	var timer = get_tree().create_timer(0.200)
-	await timer.timeout
-
 	visible                                 = true
 	var visual_node: MeshInstance3D         = get_node("visual")
 	var visual_node2: MeshInstance3D        = get_node("visual_direction")