Complete the mayor command set for GGT cutover. Now have: start, stop, attach, status, restart. Skipped wake-queue as it's part of the pooling model being deprecated in favor of ephemeral polecats (gt-7ik). 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>