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Title: Add agent guidance on prek exit codes and output truncation by Copilot · Pull Request #1718 · usethis-python/usethis-python · GitHub

Open Graph Title: Add agent guidance on prek exit codes and output truncation by Copilot · Pull Request #1718 · usethis-python/usethis-python

X Title: Add agent guidance on prek exit codes and output truncation by Copilot · Pull Request #1718 · usethis-python/usethis-python

Description: An agent ran uv run --frozen prek -a 2>&1 | tail -30, truncating output that hid hook failures and leading to a false-positive conclusion that checks passed. Add "How to run prek correctly" section to usethis-qa-static-checks skill (v1.8 → v1.9): Never truncate output — no piping through tail, head, etc. Exit code is source of truth — zero means pass, non-zero means fail; don't infer status from visible output

Open Graph Description: An agent ran uv run --frozen prek -a 2>&1 | tail -30, truncating output that hid hook failures and leading to a false-positive conclusion that checks passed. Add "How to run prek corre...

X Description: An agent ran uv run --frozen prek -a 2>&1 | tail -30, truncating output that hid hook failures and leading to a false-positive conclusion that checks passed. Add "How to ru...

Opengraph URL: https://github.com/usethis-python/usethis-python/pull/1718

X: @github

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a65cb29 Add guidance on prek exit codes and output truncation to qa-static-ch… Copilot Apr 1, 2026 https://github.com/usethis-python/usethis-python/pull/1718/commits/a65cb29e849a3e7cdc43004c692fa717c541035b
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