File usePromptInputFooterController.test.tsx

src/components/PromptInput/usePromptInputFooterController.test.tsx:None–None

import { afterEach, describe, expect, it } from 'bun:test'
import React, { useEffect, useState } from 'react'
import { PassThrough } from 'stream'
import { createRoot, type Root } from '../../ink/root.js'