Plugin System (gt-n08ix):
- Deacon-dispatched periodic automation
- Dog execution model (non-blocking)
- Wisps for state tracking (no state.json)
- Gate types: cooldown, cron, condition, event
- First plugin: rebuild-gt for stale binary detection
Escalation System (gt-i9r20):
- Unified gt escalate command with severity routing
- Config-driven: settings/escalation.json
- Escalation beads for tracking
- Stale escalation re-escalation
- Actions: bead, mail, email, sms
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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