plan implementation 6, 7, 8, 9, 10

app/Services/ScoringService.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services;
+
+use App\Models\Session;
+
+final class ScoringService
+{
+    /**
+     * Calculate the score for a session based on scored answers.
+     */
+    public function calculateScore(Session $session): int
+    {
+        return $session->answers()
+            ->whereHas('question', fn ($q) => $q->where('is_scored', true))
+            ->where('value', 'yes')
+            ->count();
+    }
+
+    /**
+     * Determine the result based on the score.
+     */
+    public function determineResult(int $score): string
+    {
+        if ($score >= 10) {
+            return 'go';
+        }
+
+        if ($score >= 5) {
+            return 'consult_leadership';
+        }
+
+        return 'no_go';
+    }
+}