improvement: appointments history component added to patients feature.

frontend/src/lib/api/patients.ts

@@ -3,6 +3,7 @@ import {
   CreatePatientInput,
   CreatePatientResponse,
   Patient,
+  PatientAppointmentHistoryResponse,
   PatientsListResponse,
 } from '@/types/patient';
 
@@ -21,4 +22,9 @@ export const patientsApi = {
     const response = await apiClient.get(`/patients/${id}`);
     return response.data;
   },
+
+  listAppointments: async (patientId: string): Promise<PatientAppointmentHistoryResponse> => {
+    const response = await apiClient.get(`/patients/${patientId}/appointments`);
+    return response.data;
+  },
 };