List Workflow Executions

curl "https://api.clustr-ai.com/api/public/workflows/7f1e2a33-.../executions?limit=10" \
  -H "Authorization: Bearer YOUR_API_KEY"

{
  "success": true,
  "data": {
    "executions": [
      {
        "id": "b2c3d4e5-...",
        "workflow_id": "7f1e2a33-...",
        "status": "success",
        "source": "view",
        "record_count": 3,
        "started_at": "2026-09-13T09:00:00Z",
        "finished_at": "2026-09-13T09:00:04Z"
      }
    ],
    "total": 1,
    "limit": 10,
    "offset": 0
  }
}

{
  "success": false,
  "error": { "message": "workflow not found", "code": "NOT_FOUND" }
}