feat: Update Curriculum Studio with AI Assets panel to manually generate and input NotebookLM assets

backend/app/Services/AiLessonEnhancerService.php

@@ -10,6 +10,12 @@ class AiLessonEnhancerService
     /**
      * Extracts the lively script, cheat sheet, and Socratic quiz using Gemini.
      */
+    public static function generateFromText(string $title, string $content): ?array
+    {
+        $prompt = self::buildPrompt($title, $content);
+        return self::callGemini($prompt);
+    }
+
     public static function enhanceLesson(int $lessonId): bool
     {
         $lesson = Database::selectOne(

backend/app/Services/CurriculumService.php

@@ -156,6 +156,31 @@ class CurriculumService
         return "# محتوى المنهاج\nالمحتوى المعتمد للمنهاج الرسمي.";
     }
 
+    public static function saveLessonAiAssets(string $relativePath, array $assets): bool
+    {
+        self::ensureStorage();
+        $baseName = preg_replace('/\.md$/i', '', ltrim($relativePath, '/'));
+        $jsonPath = self::$storagePath . '/' . $baseName . '_ai_assets.json';
+        
+        $dir = dirname($jsonPath);
+        if (!is_dir($dir)) {
+            mkdir($dir, 0777, true);
+        }
+        return file_put_contents($jsonPath, json_encode($assets, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT)) !== false;
+    }
+
+    public static function getLessonAiAssets(string $relativePath): array
+    {
+        self::ensureStorage();
+        $baseName = preg_replace('/\.md$/i', '', ltrim($relativePath, '/'));
+        $jsonPath = self::$storagePath . '/' . $baseName . '_ai_assets.json';
+        
+        if (file_exists($jsonPath)) {
+            return json_decode(file_get_contents($jsonPath), true) ?: [];
+        }
+        return [];
+    }
+
     /**
      * Fast Keyword Search across All Markdown Files
      */