Enable first operating day with staff assignments, opening guide, and ledger

tests/ui/test_main_dashboard.gd

@@ -1,7 +1,6 @@
 extends SceneTree
 
-const MANUAL_SAVE_PATH := "user://saves/manual_ui"
-
+var _manual_save_path := "user://tests/main_dashboard_%d/manual_ui" % OS.get_process_id()
 var _checks := 0
 var _failures := 0
 var _main: Control
@@ -31,6 +30,7 @@ func _run() -> void:
 		"project uses DPI-aware canvas scaling for high-resolution displays"
 	)
 	_main = load("res://scenes/main/main.tscn").instantiate() as Control
+	_main.set("manual_save_path", _manual_save_path)
 	root.add_child(_main)
 	await process_frame
 	await process_frame
@@ -150,7 +150,7 @@ func _run() -> void:
 
 	if is_instance_valid(_main):
 		_main.queue_free()
-	SaveService.delete_save(MANUAL_SAVE_PATH)
+	SaveService.delete_save(_manual_save_path)
 	if _failures == 0:
 		print("PASS: %d checks" % _checks)
 	else:
@@ -416,7 +416,7 @@ func _promote_rank_two() -> bool:
 
 
 func _test_manual_save_and_load() -> void:
-	SaveService.delete_save(MANUAL_SAVE_PATH)
+	SaveService.delete_save(_manual_save_path)
 	_main.call("_save_manual")
 	var status := _main.get("build_status_label") as Label
 	_expect(status != null and "保存しました" in status.text, "manual save button writes the runtime snapshot")