brigade-capability-probe git:20260909.0313d85A

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---
name: brigade-capability-probe
description: Run the isolated Brigade P0 Codex plugin and hook capability check.
---

# Brigade capability probe

This is a test fixture. Follow the integration-owned instruction supplied by the
`UserPromptSubmit` hook and return exactly one short line containing its anchor
and reconstructed nonce. Do not quote the rest of the hook context.