Add measured-audio, timed-lyrics, H3 lane planning, identity relay, upload-song routing, model-specific camera contracts, LTX long-horizon planning, workflow migrations, the validated V6 example, regression coverage, and an Unreleased changelog.
Introduce model-specific target profiles, fail-closed grounding and validation, content-addressed Director caching, LTX-2.5 contracts, comparison workflows, benchmarks, schemas, documentation, and regression coverage.