curl --request POST \
  --url https://api.gbase.ai/v1/robots/{ai_id}/realtime-session/save \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "session_id": "<string>",
  "messages": [
    {
      "content": "<string>",
      "timestamp": "<string>",
      "tool_calls": [
        {}
      ]
    }
  ],
  "metadata": {},
  "usage": {
    "turn_count": 0,
    "total_tokens": 0,
    "input_tokens": 0,
    "output_tokens": 0,
    "input_token_details": {
      "text_tokens": 0,
      "audio_tokens": 0,
      "cached_tokens": 0
    },
    "cached_tokens_details": {
      "text_tokens": 0,
      "audio_tokens": 0,
      "cached_tokens": 0
    },
    "output_token_details": {
      "text_tokens": 0,
      "audio_tokens": 0,
      "cached_tokens": 0
    },
    "turns": []
  },
  "tool_usage": {
    "call_count": 0,
    "total_prompt_tokens": 0,
    "total_completion_tokens": 0,
    "total_tokens": 0,
    "calls": []
  },
  "logs": [
    {
      "timestamp": "",
      "level": "log",
      "category": "",
      "message": "",
      "data": "<unknown>"
    }
  ]
}
'

{
  "success": true,
  "session_id": "<string>",
  "messages_saved": 123,
  "backend_session_id": "<string>"
}