Whether the given Inference TTS provider+options combination emits aligned
(word- or character-level) timestamps alongside the synthesized audio.
Mirrors the Python implementation: support is opt-in through the provider's
extra_kwargs / modelOptions payload — the gateway only emits
output_alignment events when the provider-specific flag is set.
Whether the given Inference TTS provider+options combination emits aligned (word- or character-level) timestamps alongside the synthesized audio.
Mirrors the Python implementation: support is opt-in through the provider's
extra_kwargs/modelOptionspayload — the gateway only emitsoutput_alignmentevents when the provider-specific flag is set.