add changes

backend/tests/test-find-by-pk.js

@@ -0,0 +1,40 @@
+const { Category } = require('../models');
+
+async function testFindByPk() {
+  try {
+    console.log('\n=== Testing Category.findByPk(1) ===\n');
+
+    const category = await Category.findByPk(1, {
+      attributes: [
+        'id',
+        'name',
+        'slug',
+        'description',
+        'icon',
+        'color',
+        'questionCount',
+        'displayOrder',
+        'guestAccessible',
+        'isActive'
+      ]
+    });
+
+    console.log('Result:', JSON.stringify(category, null, 2));
+
+    if (category) {
+      console.log('\nCategory found:');
+      console.log('  Name:', category.name);
+      console.log('  isActive:', category.isActive);
+      console.log('  guestAccessible:', category.guestAccessible);
+    } else {
+      console.log('Category not found!');
+    }
+
+    process.exit(0);
+  } catch (error) {
+    console.error('Error:', error);
+    process.exit(1);
+  }
+}
+
+testFindByPk();