add class progress and fix endpoints

database/factories/ClassProgressAttachmentFactory.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\ClassProgressAttachment;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+class ClassProgressAttachmentFactory extends Factory
+{
+    protected $model = ClassProgressAttachment::class;
+
+    public function definition(): array
+    {
+        return [
+            'report_id' => 1,
+            'file_path' => 'storage/class_material/sample.pdf',
+            'original_name' => 'sample.pdf',
+            'mime_type' => 'application/pdf',
+            'file_size' => 12345,
+            'created_at' => now(),
+        ];
+    }
+}