feat: add ROLE_REPRESENTATION access to admin panel for managing doctors and clinics

- Updated authStore to include 'representation' role.
- Modified DoctorFormPage and DoctorsPage to handle different endpoints based on user role.
- Created new RepresentationActionController for handling doctor and clinic creation by representatives.
- Added new API endpoints for representatives to manage doctors, clinics, and view appointments.
- Updated documentation to reflect new role and API changes.

assets/admin/pages/AppointmentsPage.tsx

@@ -530,6 +530,7 @@ export default function AppointmentsPage() {
   const isAdmin = primaryRole === 'admin';
   const isClinic = primaryRole === 'clinic';
   const isDoctor = primaryRole === 'doctor';
+  const isRepresentation = primaryRole === 'representation';
 
   const today = new Date().toISOString().slice(0, 10);
   const [selectedDate, setSelectedDate] = useState(today);
@@ -540,7 +541,11 @@ export default function AppointmentsPage() {
   const qc = useQueryClient();
 
   // ── Appointments query
-  const apptEndpoint = isAdmin ? '/api/v1/admin/appointments' : '/api/v1/my/appointments';
+  const apptEndpoint = isAdmin
+    ? '/api/v1/admin/appointments'
+    : isRepresentation
+      ? '/api/v1/representation/appointments'
+      : '/api/v1/my/appointments';
   const apptQueryKey = ['appointments', apptEndpoint, selectedDate, selectedDoctorUuid];
   const apptParams = new URLSearchParams({ date: selectedDate, limit: '500' });
   if (selectedDoctorUuid) apptParams.set('doctor_uuid', selectedDoctorUuid);