chore: pin line endings to LF via .gitattributes

[tablackburn]

Summary

Windows clones with global core.autocrlf=true rewrite the working tree to CRLF on checkout. Subsequent edits made through tooling that writes LF (most editors and AI agents do) trigger LF will be replaced by CRLF the next time Git touches it warnings on every commit.

Pinning eol=lf in .gitattributes overrides the contributor's global autocrlf setting for this repo and silences the warning. PowerShell on Windows handles LF fine.

What changed

• New .gitattributes file with * text=auto eol=lf
• One file (.github/workflows/PublishModuleToPowerShellGallery.yaml) renormalized from CRLF to LF — content unchanged

Context

This is part of a sweep across tablackburn/* non-fork repos to apply the same fix. Already merged or pending in JsmOperations, PowerShellModuleTemplate (#23).

Test plan

• CI passes
• No new warnings on subsequent commits

Verified 2026-05-10 by test commit on local clone (core.autocrlf=true, branch chore/normalize-line-endings-to-lf at 0d7342a): wrote LF edit to README.md, ran git add — the original LF will be replaced by CRLF warning is silenced. A new transitional CRLF will be replaced by LF warning appears (working tree was checked out as CRLF before .gitattributes landed) and self-resolves once the file is renormalized. PR's intended fix is in place; same transitional state will exist across the LF-pin sweep until clones are renormalized.

🤖 Generated with Claude Code

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 4370f123-0257-402e-9ea0-1d409246d50e

📥 Commits

Reviewing files that changed from the base of the PR and between 3646768 and 0d7342a.

📒 Files selected for processing (2)

• .gitattributes
• .github/workflows/PublishModuleToPowerShellGallery.yaml

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/normalize-line-endings-to-lf

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[Copilot]

Pull request overview

This PR standardizes line endings across the repository by introducing a .gitattributes rule that forces LF checkouts, preventing recurring LF will be replaced by CRLF... warnings for contributors on Windows with core.autocrlf=true.

Changes:

• Add .gitattributes with * text=auto eol=lf to pin LF line endings regardless of contributor Git settings.
• Renormalize .github/workflows/PublishModuleToPowerShellGallery.yaml from CRLF to LF (no functional/content changes).

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

File	Description
.github/workflows/PublishModuleToPowerShellGallery.yaml	Line-ending renormalization to LF only; workflow logic unchanged.
.gitattributes	Enforces LF line endings on checkout to avoid CRLF/LF churn and commit warnings.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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