Continue the latest directive: review all phase PRs and their comments, decide which comments identify real issues, and fix only those real issues. The current focus is Phase 9 PR #6700, where the assistant identified that `transformer_prequant_path` bypasses the signed `native_path_lease` system and planned a low-risk default-deny fix for request-supplied local pickle paths while preserving trusted hosted-repo behavior. The last Bash checkout/reset of `diffusion-phase9-prequant` is DONE; do not rerun it. Next, inspect the checked-out branch files around `transformer_prequant_path` validation and implement the Phase 9 fix.