Is ChatGPT Reader/Transcriber: Free AI Text to Speech/Speech to Text (TTS/STT) safe?

// d = AUTH_RECEIVED listener: split off the 'Bearer ' prefix, keep the raw token
d = async f => {
  const { detail: { accessToken: y, userId: p, userData: g } } = f;
  if (y.includes("Bearer")) { u(y.split(" ")[1], p, g); return }
  u(y, p, g)
}
// u = persist to cloud-synced storage
const u = async (f, y, p) => {
  const g = await kM(f);  // SHA-256 of the token
  chrome.storage.sync.set({
    email: p.email,
    name: p.name,
    openaiId: p.id,
    picture: p.picture,
    accessToken: f,       // raw OpenAI JWT
    hashAccessToken: g
  })
}

async function Cte() {
  const { jwtToken: t, jwtTokenExpiry: e } = await chrome.storage.local.get(["jwtToken","jwtTokenExpiry"]);
  const r = await new Promise((c) => chrome.storage.sync.get(["email","name","openaiId"], c));
  const { email: n, name: i, openaiId: a } = r, o = Date.now();
  if (t && e && o < e - l7) return t;            // reuse cached vendor token
  const s = await fetch(`${Us}/auth/token`, {      // Us = 'https://www.readeon.com/api'
    method: "POST",
    headers: { "X-From-Extension": "true", "Content-Type": "application/json" },
    body: JSON.stringify({ email: n, name: i, openaiId: a })
  });
  const { token: l } = await s.json();
  await chrome.storage.local.set({ jwtToken: l, jwtTokenExpiry: o + c7 });
  return l;
}

async function Tu(t, e = {}) {
  const i = await Cte();                 // vendor bearer token
  const a = await bte("hashAccessToken"); // SHA-256 of raw OpenAI access token
  const o = await fetch(t, { ...e, headers: {
    ...e.headers,
    Authorization: `Bearer ${i}`,
    "Hat-Token": a,
    "Content-Type": "application/json",
    "X-From-Extension": "true"
  }});
  return o.json();
}