# 对外 API：知识库检索（向量召回 + 重排；kb_id 缺省=本机构全部知识库）
# POST /rag/api/search.dspy   认证：cookie 会话或 Authorization: Bearer <dapi key>，RBAC logined 把关
# body/query: {query, kb_id?, top_k?(默认10), recall_k?(默认top_k*3)}
from rag import api_core as C
_ns = await C.read_json_body(request, params_kw)
env = C.session_env(request)
return await C.search(env, _ns)