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/SmsWalletPage.tsx

@@ -218,14 +218,40 @@ export default function SmsWalletPage() {
                 </div>
 
                 {currentSettings.post_visit_enabled && (
-                  <div className="field" style={{ marginBottom: 0, marginRight: 4 }}>
-                    <label style={{ fontSize: 13 }}>متن پیامک</label>
-                    <textarea
-                      value={currentSettings.post_visit_text ?? ''}
-                      onChange={(e) => setLocalSettings({ ...currentSettings, post_visit_text: e.target.value })}
-                      rows={3}
-                      placeholder="ممنون از مراجعه شما..."
-                    />
+                  <div style={{ marginRight: 4 }}>
+                    <div className="field" style={{ marginBottom: 8 }}>
+                      <label style={{ fontSize: 13 }}>متن پیامک</label>
+                      <textarea
+                        value={currentSettings.post_visit_text_pending ?? currentSettings.post_visit_text ?? ''}
+                        onChange={(e) => setLocalSettings({ ...currentSettings, post_visit_text: e.target.value })}
+                        rows={3}
+                        placeholder="ممنون از مراجعه شما..."
+                      />
+                    </div>
+                    {/* وضعیت تأیید */}
+                    {currentSettings.post_visit_text_status === 'pending' && (
+                      <div style={{ display: 'flex', alignItems: 'center', gap: 8, padding: '8px 12px', borderRadius: 8, background: '#fef9c3', border: '1px solid #fbbf24', fontSize: 12.5, marginBottom: 8 }}>
+                        <span style={{ fontSize: 14 }}>⏳</span>
+                        <span>متن پیامک در انتظار تأیید ادمین است</span>
+                      </div>
+                    )}
+                    {currentSettings.post_visit_text_status === 'approved' && (
+                      <div style={{ display: 'flex', alignItems: 'center', gap: 8, padding: '8px 12px', borderRadius: 8, background: '#dcfce7', border: '1px solid #86efac', fontSize: 12.5, marginBottom: 8 }}>
+                        <span style={{ fontSize: 14 }}>✅</span>
+                        <span>متن پیامک تأیید شده و فعال است</span>
+                      </div>
+                    )}
+                    {currentSettings.post_visit_text_status === 'rejected' && (
+                      <div style={{ display: 'flex', alignItems: 'center', gap: 8, padding: '8px 12px', borderRadius: 8, background: '#fee2e2', border: '1px solid #fca5a5', fontSize: 12.5, marginBottom: 8 }}>
+                        <span style={{ fontSize: 14 }}>❌</span>
+                        <div>
+                          <div>متن پیامک رد شد</div>
+                          {currentSettings.post_visit_text_reject_reason && (
+                            <div style={{ color: '#dc2626', marginTop: 2 }}>دلیل: {currentSettings.post_visit_text_reject_reason}</div>
+                          )}
+                        </div>
+                      </div>
+                    )}
                   </div>
                 )}