chore: ignore node_modules as a symlink too

[sunnylqm]

node_modules/ in .gitignore only matches a directory, so a node_modules symlink (e.g. pointing at another checkout from a git worktree) got committed in #74's history and broke CI's bun install with ENOENT: could not open the node_modules directory. Dropping the trailing slash ignores both the directory and a symlink.

🤖 Generated with Claude Code

https://claude.ai/code/session_01JCaS35vZG4DCtmM24MYaVR

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Summary by CodeRabbit

• Chores
  • Updated dependency-directory ignore rules to consistently exclude node_modules paths from version control.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: a69f7cdd-6539-4ee6-810d-803468eece48

📥 Commits

Reviewing files that changed from the base of the PR and between ee7cc34 and 0de258d.

📒 Files selected for processing (1)

• .gitignore

Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review.

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📝 Walkthrough

Walkthrough

The .gitignore rule changed from node_modules/ to node_modules. The pattern now matches node_modules without requiring a trailing slash.

Changes

Dependency Ignore Pattern

Layer / File(s)	Summary
Broaden dependency ignore rule .gitignore	The ignore pattern changed from node_modules/ to node_modules.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to 0de25

This localized change broadens the .gitignore rule to cover both node_modules directories and symlinks; no actionable merge-blocking risk remains beyond normal checks and review.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the main change: updating the ignore rule so that node_modules symlinks are also ignored.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/gitignore-node-modules

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