extends SceneTree
const E = preload("res://world/owniverse/math/exact.gd")
func _initialize():
    # SceneTree initialization runs before Global._ready, like main scene construction.
    var global = root.get_node("Global")
    assert(not global.is_node_ready(), "Test must cover pre-ready initialization")
    assert(global.ExtraParams.has("E"), "Energy table exists before Global._ready")
    var scene = load("res://world/world.tscn").instantiate()
    var stage = scene.get_node("Stage")
    assert(E.eq(stage.owniverse.state.energy, global.ExtraParams.E), "Stage starts with configured energy")
    stage.owniverse.free()
    scene.free()
    print("Startup params: 3 checks, 0 failures")
    quit()