ci: add welcome workflow

[danielroe]

🫂

[vercel]

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Project	Deployment	Actions	Updated (UTC)
npmx.dev	Ready	Preview, Comment	Feb 6, 2026 11:39am

2 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
docs.npmx.dev	Ignored	Preview	Feb 6, 2026 11:39am
npmx-lunaria	Ignored		Feb 6, 2026 11:39am

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ All tests successful. No failed tests found.

📢 Thoughts on this report? Let us know!

[coderabbitai]

📝 Walkthrough

Walkthrough

A new GitHub Actions workflow (.github/workflows/welcome.yml) is added that triggers on pull_request_target closed events. It runs a welcome job when the repository is npmx-dev/npmx.dev and the pull request is merged. The job uses actions/github-script to determine whether the PR author’s merged PRs indicate a first merged contribution; if so it composes a comment containing a randomly selected emoji plus links to Discord and a contributor role, posts that comment, and logs progress.

🚥 Pre-merge checks | ✅ 1

✅ Passed checks (1 passed)

Check name	Status	Explanation
Description check	✅ Passed	The pull request description is a single emoji that relates to the welcoming nature of the workflow being added.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch ci/welcome

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_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[coderabbitai]

Actionable comments posted: 1

[whitep4nth3r]

BEAUTIFUL.