List Agents

curl -X GET "https://api.app.shinzo.ai/v1/agent/list?limit=10&status=active" \
  -H "Authorization: Bearer <token>"

{
  "agents": [
    {
      "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
      "name": "code-review-agent",
      "description": "Agent for automated code reviews",
      "status": "active",
      "created_at": "2025-01-15T10:00:00Z",
      "updated_at": "2025-01-18T14:30:00Z",
      "message_count": 45,
      "mcp_server_count": 2
    },
    {
      "id": "b2c3d4e5-f6a7-8901-bcde-f12345678901",
      "name": "data-analysis-agent",
      "description": "Agent for data analysis tasks",
      "status": "paused",
      "created_at": "2025-01-10T08:00:00Z",
      "updated_at": "2025-01-12T09:15:00Z",
      "message_count": 12,
      "mcp_server_count": 0
    }
  ],
  "pagination": {
    "page": 1,
    "limit": 10,
    "total": 2,
    "total_pages": 1
  }
}