The resume-path verifier in acquireTaskWorktree now also calls classifyBootstrapMisbinding / reanchorBranchToBase before the executor's primary contamination check runs. With a once-spy the mock was depleted by the verifier, leaving the executor path with the real implementation and the FN-4488 shape regression test no longer exercised its expected recovery branch. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>