config

type Config struct {
	// Server settings
	Port int

	// Phone provider settings (Twilio)
	PhoneProvider   string // "twilio" or "telnyx"
	PhoneAccountSID string
	PhoneAuthToken  string
	PhoneNumber     string // E.164 format, e.g., +15551234567
	UserPhoneNumber string // E.164 format

	// ElevenLabs TTS settings
	ElevenLabsAPIKey string
	TTSVoice         string // ElevenLabs voice ID (e.g., "Rachel")
	TTSModel         string // ElevenLabs model (e.g., "eleven_turbo_v2_5")

	// Deepgram STT settings
	DeepgramAPIKey       string
	STTModel             string // Deepgram model (e.g., "nova-2")
	STTLanguage          string // BCP-47 language code (e.g., "en-US")
	STTSilenceDurationMS int    // milliseconds of silence to detect end of speech

	// ngrok settings
	NgrokAuthToken string
	NgrokDomain    string // optional custom domain

	// Timeouts
	TranscriptTimeoutMS int
}