fix: resolve calendar crash and enhance appointment management

- Fixed calendar crash due to invalid array length in PersianCalendar.tsx by changing locale to 'en-u-ca-persian'.
- Added Persian weekday display in DateNavigator with appropriate styling and logic.
- Updated empty slot message to indicate when a day is off.
- Made patient name a required field in appointment creation and implemented find-or-create logic for patients in both admin and user endpoints.
- Corrected mobile number display to show the patient's number instead of the doctor's in appointment listings.
- Ensured booked appointments are displayed correctly in the schedule view.
- Removed unnecessary operations column from the appointments table view.

src/Appointment/Controller/MyAppointmentsController.php

@@ -24,6 +24,63 @@ class MyAppointmentsController extends BaseController
         private readonly DoctorSecretaryRepository $secretaryRepo,
     ) {}
 
+    #[Route('/api/v1/my/appointment', methods: ['POST'])]
+    #[IsGranted('IS_AUTHENTICATED_FULLY')]
+    public function createAppointment(Request $request, #[CurrentUser] User $user): JsonResponse
+    {
+        $roles = $user->getRoles();
+        $allowed = ['ROLE_DOCTOR', 'ROLE_CLINIC', 'ROLE_SECRETARY', 'ROLE_ADMIN'];
+        if (!array_intersect($allowed, $roles)) {
+            return $this->error('FORBIDDEN', 'دسترسی ندارید', 403);
+        }
+
+        $data        = json_decode($request->getContent(), true) ?? [];
+        $doctorUuid  = trim($data['doctor_uuid']    ?? '');
+        $slotStart   = (int) ($data['slot_start']   ?? 0);
+        $slotEnd     = (int) ($data['slot_end']      ?? 0);
+        $mobile      = trim($data['patient_mobile'] ?? '');
+        $patientName = trim($data['patient_name']   ?? '');
+
+        if (empty($doctorUuid) || $slotStart <= 0 || $slotEnd <= $slotStart || empty($mobile) || empty($patientName)) {
+            return $this->error('VALIDATION', 'همه فیلدها الزامی است', 422);
+        }
+
+        $doctor = $this->doctorRepo->findByUuid($doctorUuid);
+        if (!$doctor) return $this->error('DOCTOR_NOT_FOUND', 'پزشک یافت نشد', 404);
+
+        $patient = $this->em->getRepository(User::class)->findOneBy(['mobileNumber' => $mobile]);
+        if (!$patient) {
+            $patient = new User($mobile);
+            $patient->setRealName($patientName);
+            $patient->setRoles(['ROLE_USER']);
+            $this->em->persist($patient);
+        }
+
+        $conflict = $this->em->createQueryBuilder()
+            ->select('COUNT(a.id)')->from(Appointment::class, 'a')
+            ->where('a.doctor = :doctor')
+            ->andWhere('a.slotStart < :end AND a.slotEnd > :start')
+            ->andWhere("a.status NOT IN ('cancelled_by_doctor','cancelled_by_user','cancelled_by_admin','auto_cancel_unpaid')")
+            ->setParameter('doctor', $doctor)
+            ->setParameter('start', $slotStart)
+            ->setParameter('end', $slotEnd)
+            ->getQuery()->getSingleScalarResult();
+
+        if ($conflict > 0) return $this->error('SLOT_TAKEN', 'این نوبت قبلاً رزرو شده است', 409);
+
+        $appointment = new Appointment($doctor, $patient, $slotStart, $slotEnd);
+        if (!empty($data['note'])) $appointment->setNote($data['note']);
+        $this->em->persist($appointment);
+        $this->em->flush();
+
+        return $this->success([
+            'uuid'       => $appointment->getUuid(),
+            'slot_start' => $slotStart,
+            'slot_end'   => $slotEnd,
+            'status'     => $appointment->getStatus(),
+        ], 201);
+    }
+
     #[Route('/api/v1/my/appointments', methods: ['GET'])]
     #[IsGranted('IS_AUTHENTICATED_FULLY')]
     public function myAppointments(Request $request, #[CurrentUser] User $user): JsonResponse