From b5af107d5bd31f3b4041b6ecbb3148cfb175f12e Mon Sep 17 00:00:00 2001
From: ComposalAI <engineering@composal.ai>
Date: Wed, 30 Sep 2026 22:39:42 -0700
Subject: [PATCH] Exercise untrusted dependency disk writes

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 .canary/isolation.md | 1 +
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+Disposable pull-request fixture proving trusted dependency snapshots cannot be overwritten.