* Switch to gpt-4o-mini by default
* Add option and make gpt-4o-mini default in frontend
* Run llama index notebook without extra arguments in poetry install
* Install extras for llama_index_notebook run
* fix: remove groups from UserRead model
* fix: add missing system dependencies for postgres
* fix: change vector db provider environment variable name
* fix: WeaviateAdapter retrieve bug
* fix: correctly return data point objects from retrieve method
* fix: align graph object properties
* feat: add node example
