Add mol-witness-patrol molecule definition (gt-83k0)
Implements the 10-step patrol loop for the Witness role:
- inbox-check, load-state, survey-workers, inspect-workers
- decide-actions, execute-actions, save-state
- generate-summary, context-check, burn-or-loop
Key features:
- Uses wisp storage for ephemeral patrol state
- Progressive nudging (3 levels before escalate)
- Pre-kill verification before terminating polecats
- State persistence via witness handoff bead
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>