curl --request GET \
  --url https://api.getgranite.ai/api/analytics/workflow-complexity

{
  "data": [
    {
      "workflow_name": "<string>",
      "complexity_score": 123,
      "total_steps": 123,
      "total_iterations": 123,
      "parameters_count": 123,
      "success_rate": 123,
      "avg_duration_ms": 123
    }
  ]
}