Initialize Search Session

curl --request POST \
  --url https://oathnet.org/api/service/search/init \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "query": "user@example.com"
}
'

{
  "success": true,
  "message": "Search session initialized successfully",
  "data": {
    "session": {
      "id": "sess_abc123",
      "query": "user@example.com",
      "search_type": "email",
      "status": "active",
      "created_at": "2024-01-15T10:30:00Z",
      "expires_at": "2024-01-15T11:30:00Z",
      "duration_minutes": 60
    },
    "user": {
      "plan": "Pro",
      "plan_type": "pro",
      "daily_lookups": {
        "used": 450,
        "remaining": 550,
        "limit": 1000,
        "is_unlimited": false
      }
    },
    "services": {
      "service_key": {
        "name": "Service Name",
        "service_id": "service-id",
        "category": "general",
        "is_available": true,
        "is_premium": false,
        "session_quota": 100,
        "today_usage": 45,
        "recommended_quota": 50
      }
    },
    "summary": {
      "total_services": 2,
      "available_services": 2,
      "session_expires_in_minutes": 60
    }
  }
}