- migration 011_yerin.sql: seed read-only 'yerin' agent ({read:true}, kind claude,
model NULL = server default; switch to local Ollama via agents.model anytime)
- companion-stdio.js: select the toolset from VOID_TOOL_REGISTRY ('security' →
Yerin's securityRegistry; default → Dross's companionRegistry)
- tests/mcp/registry_select.test.js
Remaining for Yerin (left for review): an entry point (route or cron) + persona
prompt — see docs/yerin-security-agent.md.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>