Custom Data Table management API for creating and managing user-defined data tables. Supports two groups: 1) Table Schema Management — create tables, rename tables, update table descriptions, define/modify columns and field types, delete tables, list/search tables, get table detail, copy table structure, check if table has data; 2) Table SQL API Management — create new SQL-based table operation APIs, update existing SQL-based table operation APIs. Use this skill whenever the user wants to work with custom data tables, create a new table, manage table columns or fields, or create/update SQL-based data table APIs. Keywords: data table, custom table, table creation, table schema, columns, fields, SQL API, table operation API. 支持中文：自定义数据表、表结构、字段定义、数据表SQL操作API、创建API、更新API.
Payment integration API for projects. Provides three modes: 1) Cashier mode — hosted cashier URL; 2) H5 mode — custom UI in mobile/system browser (NOT in App WebView); 3) App native mode — JSBridge + native SDK inside App WebView only. Also supports querying payment status with channel sync. Use this skill whenever the user wants to add payment/checkout/purchase functionality to a project. Keywords: payment, pay, cashier, checkout, H5 pay, App pay, native pay, WeChat pay, Alipay pay, order, 支付, 收银台, App支付, 原生支付, 下单, 微信支付, 支付宝支付.