Record original-alignment implementation and traceability checkpoint

Capture current source, content data, tests, asset licenses, and original-specification traceability. Original implementation remains incomplete. The accepted matching UI generation passed 154 suites and 12,253 checks, with eight rendered staff-contract screens reviewed. Latest native Windows and full-original acceptance remain outstanding.

tests/ui/capture_pixel_tower.gd

@@ -72,6 +72,10 @@ func _run() -> void:
 	# main enables its production save policy in _ready; immediately turn it off
 	# for this disposable scenario and make the manual save/load controls inert.
 	_runtime.configure_save_policy({&"enabled": false, &"daily_checkpoint_enabled": false})
+	var load_menu := main.find_child("SaveLoadMenu", true, false) as MenuButton
+	if load_menu != null:
+		load_menu.disabled = true
+		load_menu.tooltip_text = "この見学モードは保存・読込を行いません。"
 	for button: Node in main.find_children("*", "Button", true, false):
 		var save_control := button as Button
 		for connection: Dictionary in save_control.pressed.get_connections():