Add public Inflect adaptation toolkit

[owenawsong]

Summary

Describe the user-visible change and why it belongs in Inflect.

Reproduction

Provide the exact command, model revision, prompt set, and environment.

Evidence

• Public examples still compile.
• Existing inference behavior is preserved or the change is documented.
• Audio claims include matched prompts and listening notes.
• Metric claims include raw outputs and protocol details.
• No weights, generated corpora, private audio, credentials, or local paths are committed.

Release impact

List documentation, model-package, compatibility, or benchmark changes.