curl -X GET "https://api.chanl.ai/api/v1/workspaces/ws_123/simulations" \
  -H "Authorization: Bearer <access_token>"

{
  "success": true,
  "data": {
    "simulations": [
      {
        "id": "sim_123456",
        "name": "Customer Service_Frustrated Customer_Agent 001_2024-01-15T10:30:00Z",
        "status": "completed",
        "score": 87.3,
        "duration": "00:03:45",
        "scenario": {
          "id": "scenario_123",
          "name": "Customer Service Inquiry"
        },
        "persona": {
          "id": "persona_456",
          "name": "Frustrated Customer"
        },
        "agent": {
          "id": "agent_789",
          "name": "Customer Service Agent 001"
        },
        "created_at": "2024-01-15T10:30:00Z",
        "completed_at": "2024-01-15T10:33:45Z"
      }
    ]
  }
}