curl --request PATCH \
  --url https://api.sumvin.com/v0/chat/sessions/{session_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "title": "<string>"
}
'

{
  "_links": {},
  "session": {
    "id": "<string>",
    "title": "<string>",
    "preview": "<string>",
    "message_count": 123,
    "created_at": 123,
    "updated_at": 123,
    "sv_meta": {},
    "messages": [
      {
        "id": "<string>",
        "message_id": "<string>",
        "role": "<string>",
        "text_content": "<string>",
        "parts": [
          {}
        ],
        "tool_names": [
          "<string>"
        ],
        "extra_metadata": {},
        "sequence": 123,
        "created_at": 123
      }
    ]
  }
}