It appears that the repository has undergone several changes and renamings:

backend/node_modules/@isaacs/cliui/index.mjs

@@ -1,14 +0,0 @@
-// Bootstrap cliui with ESM dependencies:
-import { cliui } from './build/lib/index.js'
-
-import stringWidth from 'string-width'
-import stripAnsi from 'strip-ansi'
-import wrap from 'wrap-ansi'
-
-export default function ui (opts) {
-  return cliui(opts, {
-    stringWidth,
-    stripAnsi,
-    wrap
-  })
-}