[zssherman]

PR tags (required)

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• docs-only
• tests-only
• tiny-change (<5 lines of code in 1 or 2 files)
• big refactor
• scientific/algorithmic
• design/architecture

What changed

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• Added final security features

Why

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further improves CI security

Issues closed

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Target version

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• next patch
• next minor
• next major

Validation

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• I ran pre-commit or ruff

• I ran tests

AI usage & manual verification

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• AI used: no
• Model/tooling:
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• Manual verification performed:

Manual verification

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• For scientific/algorithmic or result-changing PRs, I provided an example notebook.

  • Notebook link/path or N/A reason:

• I compared before-and-after outputs and stated whether results changed.

  • Evidence or N/A reason:

• I checked results against a known baseline or expected values.

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• I manually exercised relevant edge cases.

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• I checked backward compatibility or API behavior.

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Impact note (optional): breaking behavior, scientific output shift, or user-visible behavior.

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