Fix: submit add for playground query (#586)

* feat: update memos headers

* feat: headers add

* feat: update search agent

* feat: upadte mem story

* feat: update mem scehduler

* feat: update deepsearch mem code

* feat:  update deepsearch agent

* feat: update test code

* fix: remove dup config

* feat: dock search pipeline

* fix: code test

* feat: add test scripts

* feat: add test

* feat: update need_raw process

* fix: add initter

* fix: change agent search func name

* feat: update logs and defined

* feat:  update full text mem search

* feat: cp  plugin  to dev

* feat: add one recall for fulltext retrieval

* fix: set default for fulltext search

* feat: add langchain chunk

* feat: fix playground for query

Author: fridayL