curl -X GET "https://app.cotool.ai/api/agents/:agentId/llm-eval-metrics" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json"

{
  "agentId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "evaluatorType": "<string>",
  "avgScore7d": 123,
  "avgScore30d": 123,
  "avgScoreAllTime": 123,
  "total7d": 123,
  "total30d": 123,
  "totalAllTime": 123,
  "series30d": [
    {
      "date": "<string>",
      "avgScore": 123,
      "count": 123
    }
  ],
  "byPrompt": [
    {
      "systemPromptId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "description": "<string>",
      "status": "active",
      "avgScoreAllTime": 123,
      "totalAllTime": 123,
      "avgScore7d": 123,
      "total7d": 123,
      "avgScore30d": 123,
      "total30d": 123
    }
  ]
}