feat: performance improvements

src/Service/ParticipantEligibilityService.php

@@ -8,7 +8,6 @@ use App\BusProNet\Constants;
 use App\BusProNet\Model\Service;
 use App\Form\Model\BookingDto;
 use Carbon\CarbonImmutable;
-use Spatie\Blink\Blink;
 
 /**
  * Service for evaluating participant eligibility for booking.
@@ -18,11 +17,13 @@ use Spatie\Blink\Blink;
  * for eligibility checks used by both the conditional field state system and
  * the view layer via Twig extension.
  *
- * Results are cached per request using Blink to avoid redundant calculations
+ * Results are cached per request using instance-level arrays to avoid redundant calculations
  * when checking the same participant multiple times.
  */
 class ParticipantEligibilityService
 {
+    /** @var array<string, bool> Request-scoped cache for participant eligibility */
+    private array $eligibilityCache = [];
     /**
      * Checks if a participant is eligible for booking.
      *
@@ -52,7 +53,7 @@ class ParticipantEligibilityService
             $participantIndex
         );
 
-        return Blink::global()->once($cacheKey, function () use ($bookingDto, $participantIndex) {
+        return $this->eligibilityCache[$cacheKey] ??= (function () use ($bookingDto, $participantIndex) {
             $allSkiPasses = $bookingDto->travel->getAdditionalServicesBySubTypes(Constants::TOKEN_SKI_PASS, true, true);
             $availableSkiPasses = array_filter(
                 $allSkiPasses,
@@ -60,7 +61,7 @@ class ParticipantEligibilityService
             );
 
             return !empty($availableSkiPasses);
-        });
+        })();
     }
 
     /**