fix(patient): populate auto-created session from the confirmed appointment

When an appointment is confirmed, the auto-created PatientSession was saved
empty: session_at null, visit_price_rials 0, no service line items, totals 0.
Now it copies the visit datetime from the appointment slot, the visit price
(falling back to the tenant free-visit price), a SessionService line per
appointment service (price snapshot from the service), and computes
services_total_rials / final_price_rials. Verified end-to-end.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/Patient/Service/PatientService.php

@@ -131,7 +131,34 @@ class PatientService
         }
 
         $session = new PatientSession($record, $appointment);
+
+        // زمان مراجعه = زمان واقعی نوبت.
+        $session->setSessionAt($appointment->getSlotStart());
+
+        // هزینه ویزیت: از نوبت، در نبود آن از «قیمت ویزیت آزاد» تنظیمات همین tenant.
+        $visitPrice = (int) ($appointment->getVisitPriceRials()
+            ?? $this->pricingRepo->findOneForInsurance($entityType, $entityId, null)?->getPatientShareRials()
+            ?? 0);
+        $session->setVisitPriceRials($visitPrice);
+
+        // خطوط هزینه‌ی سرویس (قیمت snapshot از خود سرویس، بدون ورود دستی).
+        $servicesTotal = 0;
+        $lines = [];
+        foreach ($appointment->getServiceItems() as $item) {
+            $line = new SessionService($session, $item, null, 1);
+            $lines[] = $line;
+            $servicesTotal += $line->getLineTotalRials();
+        }
+
+        $session->setServicesTotalRials($servicesTotal);
+        $session->setFinalPriceRials($servicesTotal + $visitPrice);
+
         $this->sessionRepo->save($session);
+
+        foreach ($lines as $line) {
+            $this->sessionServiceRepo->save($line);
+            $session->addService($line);
+        }
     }
 
     public function createSession(