Patients: Registry, Profiles, and Medical History

export interface Patient {
  id: string;
  full_name: string;
  email: string | null;
  phone: string | null;
  birth_date: string | null;
  address: string | null;
  status: string;               // 'nuevo' | 'activo' | 'en_tratamiento' | 'alta'
  assigned_doctor_id: string | null;
  notes: string | null;
  created_at: string;
  updated_at: string;
  document_id: string | null;   // cédula or passport number
  historia_number: string | null;
  first_visit_date: string | null;
  marital_status: string | null;
  birthplace: string | null;
  education_level: string | null;
  occupation: string | null;
  ethnicity: string | null;
  consultation_reason: string | null;
  current_illness: string | null;
  family_history: { ... } | null;
  personal_history: { ... } | null;
  gynecological_data: { ... } | null;
  obstetric_data: { ... } | null;
}