Added

• Voice control flags: --stability, --similarity/--similarity-boost, --style, --speaker-boost/--no-speaker-boost.
• Request controls: --seed, --normalize (auto|on|off), --lang (ISO 639-1).
• --metrics to print basic request stats (chars/bytes/duration) to stderr.
• sag prompting command + README section with prompting tips.

Changed

• Default model is now eleven_v3 (override with --model-id eleven_multilingual_v2 for a stable baseline).

Homebrew (source tarball)

• SHA256: a505a5eb0d72ede07768e96f17574c37959dacdde03434360b1a74c60d9c11cc