feat: add migration for webhooks column

server/src/db/migrations/20250527105655-add-webhooks.js

@@ -0,0 +1,27 @@
+'use strict';
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.addColumn('robot', 'webhooks', {
+      type: Sequelize.JSONB,
+      allowNull: true,
+      defaultValue: null,
+      comment: 'Webhook configurations for the robot'
+    });
+
+    // Optional: Add an index for better query performance if you plan to search within webhook data
+    await queryInterface.addIndex('robot', {
+      fields: ['webhooks'],
+      using: 'gin', // GIN index for JSONB columns
+      name: 'robot_webhooks_gin_idx'
+    });
+  },
+
+  async down(queryInterface, Sequelize) {
+    // Remove the index first
+    await queryInterface.removeIndex('robot', 'robot_webhooks_gin_idx');
+    
+    // Then remove the column
+    await queryInterface.removeColumn('robot', 'webhooks');
+  }
+};