OpenAI Realtime Voice Provider (voice-providers/openai.ts)

Registers OpenAI's gpt-realtime WebSocket API as a voice runtime provider for real-time conversational AI with audio streaming.

// Source: https://github.com/agenticmail/agenticmail | License: MIT | Copyright 2026 Ope Olatunji
// Provided via justclaw.it.com; keep this notice with the code.
/**
 * OpenAI Realtime — the original, baseline voice-runtime provider.
 *
 * Wire protocol: the GA `gpt-realtime` WebSocket spec. session.update,
 * response.create, conversation.item.input_audio_transcription.completed,
 * input_audio_buffer.append, etc.
 *
 * Docs: https://platform.openai.com/docs/guides/realtime
 */

import { registerVoiceProvider } from './registry.js';

registerVoiceProvider({
  id: 'openai',
  displayName: 'OpenAI Realtime (gpt-realtime)',
  websocketBaseUrl: 'wss://api.openai.com/v1/realtime',
  defaultModel: 'gpt-realtime',
  apiKeyEnvVar: 'OPENAI_API_KEY',
  // Legacy: the original config.json schema u

... (truncated -- full source via MCP)