* fix: update .env.example

* feat: add SSO login

* fix: update flowsetting

* fix: add requirement

* fix: refine UI

* fix: update group id-based operation

* fix: improve citation logics

* fix: UI enhancement

* fix: user_id to string in models

* fix: improve chat suggestion UI and flow

* fix: improve group id handling

* fix: improve chat suggestion

* fix: secure download for single file

* fix: file limiting in docstore

* fix: improve chat suggestion logics & language conform

* feat: add markmap and select text to highlight function

* fix: update Dockerfile

* fix: user id auto generate

* fix: default user id

* feat: add demo mode

* fix: update flowsetting

* fix: revise default params for demo

* feat: sso_app alternative

* feat: sso login demo

* feat: demo specific customization

* feat: add login using API key

* fix: disable key-based login

* fix: optimize duplicate upload

* fix: gradio routing

* fix: disable arm build for demo

* fix: revise full-text search js logic

* feat: add rate limit

* fix: update Dockerfile with new launch script

* fix: update Dockerfile

* fix: update Dockerignore

* fix: update ratelimit logic

* fix: user_id in user management page

* fix: rename conv logic

* feat: update demo hint

* fix: minor fix

* fix: highlight on long PDF load

* feat: add HF paper list

* fix: update HF papers load logic

* feat: fly config

* fix: update fly config

* fix: update paper list pull api

* fix: minor update root routing

* fix: minor update root routing

* fix: simplify login flow & paper list UI

* feat: add paper recommendation

* fix: update Dockerfile

* fix: update Dockerfile

* fix: update default model

* feat: add long context Ollama through LCOllama

* feat: espose Gradio share to env

* fix: revert customized changes

* fix: list group at app load

* fix: relocate share conv button

* fix: update launch script

* fix: update Docker CI

* feat: add Ollama model selection at first setup

* docs: update README