llm-d-workload-variant-autoscaler

Review an open pull request for this project. Checks Go code quality (AGENTS.md), test coverage, and Kubernetes security. Posts findings as a GitHub PR comment (idempotent: creates on first run, updates with resolved/new diff on re-runs). Use when the user asks to review a PR. Invoke with /pr-review [PR-number] or /pr-review to auto-detect the current branch's PR.