ONE KEY.
BETTER বাংলা.

// Run on your server. Your existing AI is supplied as a callback.
export async function nativeBangla(sourceText, writeWithYourExistingAI) {
  const context = { locale: 'bn-BD', address_form: 'apni', register: 'conversational' };
  async function post(operation, body) {
    const response = await fetch('https://betterbangla.protivaai.com/api/v1/' + operation, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json',
        Authorization: 'Bearer ' + process.env.BETTERBANGLA_API_KEY },
      body: JSON.stringify(body),
    });
    if (!response.ok) throw new Error('BetterBangla: ' + response.status);
    return response.json();
  }
  const contract = await post('compose', { text: sourceText, context });
  const candidate = await writeWithYourExistingAI(contract);
  const checked = await post('finalize', { source_text: sourceText,
    source_version: contract.source_version, text: candidate, context });
  if (checked.status !== 'ready') {
    throw new Error('Revise candidate: ' + JSON.stringify(checked.blocking_findings));
  }
  return checked.final_text; // Review meaning; show actual text to your user.
}