Add LLM-PQR local model selection CLI

[dovginsburg]

Summary

Adds LLM-PQR under Tools. The MIT-licensed CLI runs locally, requires no account or cloud service, and can enforce local-only eligibility before comparing user-declared routes.

Eligibility

• Locally executable Python package
• Open source under MIT
• Active v0.1.1 release on PyPI
• Core makes no provider calls and collects no telemetry
• Description is under 100 characters and the entry is alphabetized

Disclosure: I am the project owner.