ZFC cleanup: Go should be message transport, not decision-maker.
Before: loadFromBeads used switch on issue.Status to derive polecat
state (open/in_progress -> working, closed -> done).
After: Simple rule - has issue assigned = working, no issue = idle.
We do not interpret what issue.Status means; that is for Claude in
the Deacon molecule.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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