github-commander

Structured workflows for GitHub issues, PRs, milestones, and code audits with validation gates and HITL checkpoints. Use when assigned a GitHub issue, reviewing a PR, sprinting through a milestone, updating dependencies, or running code audits. Also use when asked to "triage an issue", "review a PR", or "update deps". Do NOT trigger on bare verbs (e.g. "fix this"); require GitHub context. NOT for pipeline authoring…