MCP Agent TypeScript Port

declare const stringWidth: { /** Get the visual width of a string - the number of columns required to display it. Some Unicode characters are [fullwidth](https://en.wikipedia.org/wiki/Halfwidth_and_fullwidth_forms) and use double the normal width. [ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code) are stripped and doesn't affect the width. @example ``` import stringWidth = require('string-width'); stringWidth('a'); //=> 1 stringWidth('古'); //=> 2 stringWidth('\u001B[1m古\u001B[22m'); //=> 2 ``` */ (string: string): number; // TODO: remove this in the next major version, refactor the whole definition to: // declare function stringWidth(string: string): number; // export = stringWidth; default: typeof stringWidth; } export = stringWidth;