feat(payment): add payment detail endpoint and update payment model with order_id and patient_name

feat(appointment): enhance appointment detail page with time formatting and additional info
fix(payment): update payment query to fetch from the correct endpoint and adjust response structure
docs(api): add search parameter to payments API documentation and detail response structure
test(payment): add unit test for MellatGateway to verify null credentials handling

src/Admin/Controller/AdminApiController.php

@@ -874,6 +874,54 @@ class AdminApiController extends BaseController
         return $this->paginated($items, (int) $total, $page, $limit);
     }
 
+    #[OA\Get(
+        path: '/api/v1/admin/payments/{uuid}',
+        summary: 'Payment detail by UUID',
+        security: [['bearerAuth' => []]],
+        parameters: [
+            new OA\Parameter(name: 'uuid', in: 'path', required: true, schema: new OA\Schema(type: 'string')),
+        ],
+        responses: [
+            new OA\Response(response: 200, description: 'Payment detail'),
+            new OA\Response(response: 404, description: 'Payment not found'),
+        ]
+    )]
+    #[Route('/api/v1/admin/payments/{uuid}', methods: ['GET'])]
+    public function paymentDetail(string $uuid): JsonResponse
+    {
+        $rows = $this->em->createQueryBuilder()
+            ->select(
+                'p.uuid, p.orderId, p.amountRials, p.status, p.gateway, p.type, p.referenceId, p.createdAt, p.updatedAt',
+                'u.mobileNumber as patient_mobile, u.realName as patient_name',
+                'a.uuid as appointment_uuid',
+            )
+            ->from(Payment::class, 'p')
+            ->join('p.user', 'u')
+            ->leftJoin('p.appointment', 'a')
+            ->where('p.uuid = :uuid')->setParameter('uuid', $uuid)
+            ->getQuery()->getArrayResult();
+
+        if (empty($rows)) {
+            return $this->error(ErrorCodes::ERR_NOT_FOUND_001, 'پرداخت یافت نشد', 404);
+        }
+
+        $p = $rows[0];
+        return $this->success([
+            'uuid'             => $p['uuid'],
+            'order_id'         => $p['orderId'],
+            'amount'           => (int) $p['amountRials'],
+            'status'           => $p['status'],
+            'gateway'          => $p['gateway'],
+            'type'             => $p['type'],
+            'ref_id'           => $p['referenceId'],
+            'patient_mobile'   => $p['patient_mobile'],
+            'patient_name'     => $p['patient_name'],
+            'appointment_uuid' => $p['appointment_uuid'],
+            'paid_at'          => $p['status'] === 'success' ? date('c', (int) $p['updatedAt']) : null,
+            'created_at'       => date('c', (int) $p['createdAt']),
+        ]);
+    }
+
     // ── Representations ───────────────────────────────────────────────────────
 
     #[OA\Get(