* feat: add download functionality for example operator and update Dockerfile * feat: enhance download response by exposing content disposition header * feat: update download function to accept filename parameter for example operator
* fix(session): enhance database connection settings with pool pre-ping and recycle options * feat(metadata): add export type settings and enhance metadata structure * fix(base_op): improve sample handling by introducing target_type key and consolidating text/data retrieval logic * feat(metadata): add export type settings and enhance metadata structure * feat(metadata): add export type settings and enhance metadata structure
* feature: deer-flow支持从datamate获取外部接入模型