# world_snapshot get_search_world.dspy
# 下拉：可选世界列表（[{value,text}]，首项"全部"）
result = [{'value': '', 'text': '全部'}]
try:
    options = await list_worlds_for_snapshot()
    if options:
        result = result + list(options)
    return json.dumps(result, ensure_ascii=False)
except Exception as e:
    debug(f'get_search_world.dspy error: {format_exc()}')
    return json.dumps(result, ensure_ascii=False)