Feat/graph (#456)

* feat: refactor update code

* fix: fix parser

* fix bugs and finalize

* fix: update playground image

* feat: support link tool

* feat: upgrade

* fix property.json

* feat: add integrated graph

* feat: fix v2v on_user_joined cmd

* fix: update lock file

* feat: update playground image

* fix: fix next build error

.env.example

@@ -100,7 +100,7 @@ MINIMAX_TTS_GROUP_ID=
 # OpenAI API key
 OPENAI_API_BASE=https://api.openai.com/v1
 OPENAI_API_KEY=
-OPENAI_MODEL=gpt-4o-mini
+OPENAI_MODEL=gpt-4o
 
 # set this to azure if you are using azure openai
 OPENAI_VENDOR=