Instead of hardcoding the rig list (gastown, beads), now loads rigs
from mayor/rigs.json using config.LoadRigsConfig. Falls back gracefully
to just checking global agents if the config cannot be loaded.
(gt-mmp0q)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>