add changes

migrations/20251112000000-create-guest-settings.js

@@ -0,0 +1,61 @@
+'use strict';
+
+/** @type {import('sequelize-cli').Migration} */
+module.exports = {
+  async up (queryInterface, Sequelize) {
+    console.log('Creating guest_settings table...');
+    
+    await queryInterface.createTable('guest_settings', {
+      id: {
+        type: Sequelize.CHAR(36),
+        primaryKey: true,
+        allowNull: false,
+        comment: 'UUID primary key'
+      },
+      max_quizzes: {
+        type: Sequelize.INTEGER,
+        allowNull: false,
+        defaultValue: 3,
+        comment: 'Maximum number of quizzes a guest can take'
+      },
+      expiry_hours: {
+        type: Sequelize.INTEGER,
+        allowNull: false,
+        defaultValue: 24,
+        comment: 'Guest session expiry time in hours'
+      },
+      public_categories: {
+        type: Sequelize.JSON,
+        allowNull: false,
+        defaultValue: '[]',
+        comment: 'Array of category UUIDs accessible to guests'
+      },
+      feature_restrictions: {
+        type: Sequelize.JSON,
+        allowNull: false,
+        defaultValue: '{"allowBookmarks":false,"allowReview":true,"allowPracticeMode":true,"allowTimedMode":false,"allowExamMode":false}',
+        comment: 'Feature restrictions for guest users'
+      },
+      created_at: {
+        type: Sequelize.DATE,
+        allowNull: false,
+        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP')
+      },
+      updated_at: {
+        type: Sequelize.DATE,
+        allowNull: false,
+        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP')
+      }
+    }, {
+      comment: 'System-wide guest user settings'
+    });
+
+    console.log('✅ guest_settings table created successfully');
+  },
+
+  async down (queryInterface, Sequelize) {
+    console.log('Dropping guest_settings table...');
+    await queryInterface.dropTable('guest_settings');
+    console.log('✅ guest_settings table dropped successfully');
+  }
+};