security: Add uv dependency cooldown (exclude-newer P3D)#218
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Enforce a 3-day cooldown on newly published PyPI packages via uv's exclude-newer setting. This gives the community time to detect and quarantine compromised releases before they're pulled into builds, as recommended by the PyPI incident report on the litellm/telnyx supply chain attacks (2026-04-02). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Closing: exclude-newer = P3D in pyproject.toml is incompatible with uv sync --locked in CI (the relative date changes daily, causing lockfile staleness). The existing approach (uv lock --exclude-newer at lockfile generation time, documented in CLAUDE.md) is correct. Added exclude-newer = P3D to the global ~/.config/uv/uv.toml instead for local developer protection. |
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Summary
exclude-newer = "P3D"to[tool.uv]in pyproject.tomlThe CLAUDE.md already documented the manual
uv lock --exclude-newerapproach — this makes it automatic for alluvoperations.Test plan
uv sync --lockedstill works in CI (no change to lockfile)uv lockrespects the cooldown when regenerating the lockfile🤖 Generated with Claude Code