import frappe


def execute():
	"""'Close Process' used to overwrite SB Process.status with the literal string
	'Closed' — but status Links to the Process Statuses master (Pass/Fail/Unknown only),
	so 'Closed' was never a valid entry; it's a workflow_state, not a status. Restore
	each affected record's status to its most recently logged cycle outcome (or
	'Unknown' if it was never logged)."""
	affected = frappe.get_all('SB Process', filters={'status': 'Closed'}, pluck='name')
	for name in affected:
		last_log = frappe.get_all(
			'SB Process Cycle Log', filters={'parent': name}, fields=['status'],
			order_by='cycle_date desc', limit=1
		)
		restored = last_log[0].status if last_log else 'Unknown'
		frappe.db.set_value('SB Process', name, 'status', restored, update_modified=False)