curl --request GET \
  --url https://cloud.onyx.app/api/chat/get-chat-session/{session_id} \
  --header 'Authorization: Bearer <token>'

{
  "chat_session_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "description": "<string>",
  "persona_id": 123,
  "persona_name": "<string>",
  "persona_icon_color": "<string>",
  "persona_icon_shape": 123,
  "messages": [
    {
      "message_id": 123,
      "parent_message": 123,
      "latest_child_message": 123,
      "message": "<string>",
      "rephrased_query": "<string>",
      "context_docs": {
        "top_documents": [
          {}
        ]
      },
      "message_type": "system",
      "time_sent": "2023-11-07T05:31:56Z",
      "overridden_model": "<string>",
      "alternate_assistant_id": 123,
      "chat_session_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "citations": {},
      "sub_questions": [
        {
          "level": 123,
          "level_question_num": 123,
          "question": "<string>",
          "answer": "<string>",
          "sub_queries": [
            {
              "query": "<string>",
              "query_id": 123,
              "doc_ids": [
                123
              ]
            }
          ],
          "context_docs": {
            "top_documents": [
              {}
            ]
          }
        }
      ],
      "files": [
        {
          "id": "<string>",
          "type": "image",
          "name": "<string>"
        }
      ],
      "tool_call": {
        "tool_name": "<string>",
        "tool_args": {},
        "tool_result": "<any>",
        "level": 123,
        "level_question_num": 123
      },
      "refined_answer_improvement": true,
      "is_agentic": true,
      "error": "<string>"
    }
  ],
  "time_created": "2023-11-07T05:31:56Z",
  "shared_status": "public",
  "current_alternate_model": "<string>",
  "current_temperature_override": 123,
  "deleted": false
}