/**
 * Speech Module Constants
 *
 * NestJS injection tokens for speech providers.
 *
 * Issue #389
 */

/**
 * Injection token for the STT (speech-to-text) provider.
 * Providers implementing ISTTProvider register under this token.
 */
export const STT_PROVIDER = Symbol("STT_PROVIDER");

/**
 * Injection token for TTS (text-to-speech) providers map.
 * Registered as Map<SpeechTier, ITTSProvider>.
 */
export const TTS_PROVIDERS = Symbol("TTS_PROVIDERS");