Refactor point value object and add observability

server/src/Exception/PointTooFarException.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Exception;
+
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Attribute\WithHttpStatus;
+use function sprintf;
+
+#[WithHttpStatus(Response::HTTP_UNPROCESSABLE_ENTITY, headers: ['x-error-code' => 'point_too_far'])]
+final class PointTooFarException extends \RuntimeException
+{
+    public function __construct(float $maximumDistanceKm)
+    {
+        parent::__construct(sprintf('The submitted point must be within %.2fkm of your location.', $maximumDistanceKm));
+    }
+}