Changes to Speech

removed the request property expressiveness

added the new optional request property expressiveness

added the new optional request property phoneme_hints

the ref_audio/anyOf[subschema #2] request property contentMediaType changed from to application/octet-stream

the ref_audio/anyOf[subschema #2] request property contentMediaType changed from application/octet-stream to

added the new optional request property prompt_cache_key

added SpeechStreamAudioDelta SpeechStreamDone to the data response property oneOf list for the response status 200

added the new optional request property metadata

added subschema #2 to the ref_audio request property anyOf list

mapped value for discriminator key speech.audio.delta changed from SpeechStreamAudioDelta to #/$defs/SpeechStreamAudioDelta for data response property for the response status 200

mapped value for discriminator key speech.audio.done changed from SpeechStreamDone to #/$defs/SpeechStreamDone for data response property for the response status 200

removed the speech.audio.delta enum value from the event response property for the response status 200

removed the speech.audio.done enum value from the event response property for the response status 200

removed SpeechStreamAudioDelta SpeechStreamDone from the data response property oneOf list for the response status 200

endpoint added