feat: enhance staff management and payment gateway features

- Fix national code handling in staff creation and updates to support Persian digits.
- Update ClinicStaff entity to allow longer national codes (up to 15 characters).
- Implement support for clinic secretaries in SecretaryController, allowing creation without a doctor UUID.
- Add a new endpoint to retrieve doctors associated with a clinic for secretary management.
- Improve appointment management by ensuring doctors are selectable even when no appointments exist.
- Extend PatientController to allow secretaries to create patient records if they have the appropriate permissions.
- Introduce a PriceInput component for better price formatting in forms, supporting Persian digits.
- Add a MockGateway for testing payment processes without real transactions.
- Enhance SMS settings management with an approval flow for post-visit text messages, including new fields for pending text and status.
- Update migrations to reflect changes in database schema for national codes and SMS settings.

assets/admin/pages/ClinicServicesPage.tsx

@@ -10,6 +10,7 @@ import type { ApiResponse } from '../lib/api';
 import type { ServiceSection, ServiceItem, ClinicStaff } from '../types';
 import { formatRial } from '../lib/utils';
 import Modal from '../components/ui/Modal';
+import PriceInput from '../components/ui/PriceInput';
 import ConfirmDialog from '../components/ui/ConfirmDialog';
 import PageHeader from '../components/ui/PageHeader';
 import SearchableSelect from '../components/ui/SearchableSelect';
@@ -359,7 +360,12 @@ export default function ClinicServicesPage() {
             </div>
             <div className="field">
               <label>قیمت (ریال) *</label>
-              <input {...itemForm.register('price_rials')} type="number" min={0} placeholder="85000" dir="ltr" />
+              <PriceInput
+                value={itemForm.watch('price_rials') ?? 0}
+                onChange={(v) => itemForm.setValue('price_rials', v)}
+                placeholder="۸۵,۰۰۰"
+                min={0}
+              />
             </div>
             <div className="field">
               <label>پرسنل مسئول</label>