Complete Socratic adaptive exams in Flutter, Guardian WhatsApp alerts, and curriculum robustness

backend/app/Services/CurriculumService.php

@@ -417,7 +417,37 @@ class CurriculumService
     public static function getCurriculumContext(int $courseId, string $lessonTitle): array
     {
         $tree = self::getCurriculumTree();
-        // Return matching or generic curriculum context
+        $walk = function ($node, string $subject = 'المبحث الدراسي', string $unit = 'الوحدة التعليمية') use (&$walk, $lessonTitle): ?array {
+            if (!is_array($node)) return null;
+            if (isset($node['semesters']) && isset($node['name'])) {
+                $subject = (string)$node['name'];
+            }
+            if (isset($node['lessons']) && is_array($node['lessons'])) {
+                $unit = (string)($node['name'] ?? $unit);
+                foreach ($node['lessons'] as $lesson) {
+                    if (!is_array($lesson)) continue;
+                    if ((string)($lesson['title'] ?? '') === $lessonTitle) {
+                        return [
+                            'grade'       => 'الصف العاشر',
+                            'subject'     => $subject,
+                            'unit'        => $unit,
+                            'core_topics' => array_values(array_filter(array_map('strval', $lesson['outcomes'] ?? []))),
+                            'lesson_file' => (string)($lesson['file'] ?? '')
+                        ];
+                    }
+                }
+            }
+            foreach ($node as $value) {
+                $found = $walk($value, $subject, $unit);
+                if ($found !== null) return $found;
+            }
+            return null;
+        };
+
+        $matched = $walk($tree);
+        if ($matched !== null) return $matched;
+
+        // Safe generic context when the lesson is not in the manifest.
         return [
             'grade'       => 'المرحلة التعليمية المعتمدة',
             'subject'     => 'المبحث الدراسي',