hmm-model-v1

Pre-release

weave-os/routerhmm-model-v1Jul 13, 2026by steventohme

Release notes summary

This release introduces a portable, frozen HMM router artifact designed for the companion policy sidecar. Built with the google/gemini-embedding-2 model (3072 dimensions), it is a runtime-only artifact optimized for the self-hostable HMM sidecar PR.

Key Highlights

  • Portable frozen artifact for self-hostable HMM sidecar.
  • Uses google/gemini-embedding-2 model (3072 dimensions).
  • Runtime-only with no training data or registry dependencies.

New Features

  • Portable frozen HMM router artifact for the policy sidecar.
  • Support for google/gemini-embedding-2 embedding contract.
  • Explicit configuration option to route via HMM (defaulting to cluster routing).

Full Release Notes

Portable frozen HMM router artifact for the companion policy sidecar.

- Model: `hmm-router-frozen-v1`
- Embedding contract: `google/gemini-embedding-2`, 3072 dimensions
- SHA-256: `b326bda644aac86831bae47d0b69de008046f62324a4b93a1eba702581c174df`
- Runtime data only: no Python pickle, training rows, prompts, training provenance, or WorkWeave registry dependency

This prerelease is intended for the self-hostable HMM sidecar PR. The router remains on cluster routing unless HMM is explicitly configured.

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