result = {'success': False, 'rows': [], 'total': 0, 'page': 1, 'page_size': 50}

try:
	# 参数解析
	try:
		page = int(params_kw.get('page', 1))
	except (ValueError, TypeError):
		page = 1
	if page < 1:
		page = 1
	rows_per_page = int(params_kw.get('rows', params_kw.get('pagerows', 50)))
	offset = (page - 1) * rows_per_page
	sort_field = params_kw.get('sort', 'use_time desc')

	# 构建 WHERE 条件（只支持常用筛选字段，手动拼接避免框架开销）
	conditions = ['1=1']
	ns = {}

	llmid = params_kw.get('llmid')
	if llmid:
		conditions.append('llmid=${llmid}$')
		ns['llmid'] = llmid

	status = params_kw.get('status')
	if status:
		conditions.append('status=${status}$')
		ns['status'] = status

	accounting_status = params_kw.get('accounting_status')
	if accounting_status:
		conditions.append('accounting_status=${accounting_status}$')
		ns['accounting_status'] = accounting_status

	userid = params_kw.get('userid')
	if userid:
		conditions.append('userid=${userid}$')
		ns['userid'] = userid

	userorgid = params_kw.get('userorgid')
	if userorgid:
		conditions.append('userorgid=${userorgid}$')
		ns['userorgid'] = userorgid

	start_date = params_kw.get('start_date')
	if start_date:
		conditions.append('use_date>=${start_date}$')
		ns['start_date'] = start_date

	end_date = params_kw.get('end_date')
	if end_date:
		conditions.append('use_date<=${end_date}$')
		ns['end_date'] = end_date

	where = 'WHERE ' + ' AND '.join(conditions)

	# 列表字段（不含 usages/ioinfo 大 TEXT）
	select_fields = 'id, llmid, use_date, use_time, userid, transno, responsed_seconds, finish_seconds, status, taskid, amount, cost, userorgid, ownerid, accounting_status'

	db = DBPools()
	dbname = get_module_dbname('llmage')

	async with db.sqlorContext(dbname) as sor:
		# count
		count_recs = await sor.sqlExe(f'SELECT count(*) as cnt FROM llmusage {where}', ns)
		total = count_recs[0].cnt if count_recs else 0

		# data
		rows = await sor.sqlExe(
			f'SELECT {select_fields} FROM llmusage {where} ORDER BY {sort_field} LIMIT {rows_per_page} OFFSET {offset}',
			ns
		)

	result['success'] = True
	result['total'] = total
	result['rows'] = rows if rows else []
	result['page'] = page
	result['page_size'] = rows_per_page

except Exception as e:
	debug(f'llmusage_list error: {format_exc()}')
	result['error'] = str(e)

return json.dumps(result, ensure_ascii=False, default=str)