feat: sso login, demo mode & new mindmap support (#644) bump:minor

* 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

sso_app.py

@@ -0,0 +1,51 @@
+import os
+
+import gradiologin as grlogin
+from decouple import config
+from fastapi import FastAPI
+from fastapi.responses import FileResponse
+from theflow.settings import settings as flowsettings
+
+KH_APP_DATA_DIR = getattr(flowsettings, "KH_APP_DATA_DIR", ".")
+GRADIO_TEMP_DIR = os.getenv("GRADIO_TEMP_DIR", None)
+# override GRADIO_TEMP_DIR if it's not set
+if GRADIO_TEMP_DIR is None:
+    GRADIO_TEMP_DIR = os.path.join(KH_APP_DATA_DIR, "gradio_tmp")
+    os.environ["GRADIO_TEMP_DIR"] = GRADIO_TEMP_DIR
+
+
+GOOGLE_CLIENT_ID = config("GOOGLE_CLIENT_ID", default="")
+GOOGLE_CLIENT_SECRET = config("GOOGLE_CLIENT_SECRET", default="")
+
+
+from ktem.main import App  # noqa
+
+gradio_app = App()
+demo = gradio_app.make()
+
+app = FastAPI()
+grlogin.register(
+    name="google",
+    server_metadata_url="https://accounts.google.com/.well-known/openid-configuration",
+    client_id=GOOGLE_CLIENT_ID,
+    client_secret=GOOGLE_CLIENT_SECRET,
+    client_kwargs={
+        "scope": "openid email profile",
+    },
+)
+
+
+@app.get("/favicon.ico", include_in_schema=False)
+async def favicon():
+    return FileResponse(gradio_app._favicon)
+
+
+grlogin.mount_gradio_app(
+    app,
+    demo,
+    "/app",
+    allowed_paths=[
+        "libs/ktem/ktem/assets",
+        GRADIO_TEMP_DIR,
+    ],
+)