ns = params_kw.copy()
kb_id = ns.get('kb_id', '')
name = ns.get('name', '').strip()
desc = ns.get('description', '')

if not kb_id or not name:
    return json.dumps({"status": "error", "error": "kb_id and name required"}, ensure_ascii=False)

# KB 维护角色校验（机构隔离 + 角色）
from rag.init import check_kb_perm
env = request._run_ns
db = DBPools()
async with db.sqlorContext(get_module_dbname('rag')) as sor:
    _ok, _kb, _msg = await check_kb_perm(env, sor, kb_id, 'maintain')
if not _ok:
    return json.dumps({"status": "error", "error": _msg}, ensure_ascii=False)

env = request._run_ns
userorgid = await env.get_userorgid()

async with get_sor_context(env, 'rag') as sor:
    await sor.sqlExe(
        "UPDATE rag_knowledge_bases SET name=${name}$, description=${desc}$, updated_at=NOW() "
        "WHERE id=${id}$ AND (org_id=${org_id}$ OR org_id IS NULL)",
        {"name": name, "desc": desc, "id": kb_id, "org_id": userorgid})

return json.dumps({"widgettype": "urlwidget",
        "options": {"url": entire_url('/rag/knowledge_bases_list/index.ui')}}, ensure_ascii=False)