fix(ci): warn instead of fail on missing turbo env vars for forks

[jacekradko]

Summary

• Make turbo-team and turbo-token inputs optional in both init and init-blacksmith composite actions
• Replace hard throw validation with core.warning() that logs which credentials are missing and skips setting remote cache env vars
• Fork CI runs will proceed without Turbo remote caching instead of failing

Test plan

• Verify CI passes on this PR (main repo credentials still work)
• Verify fork PRs no longer fail at the init step

Summary by CodeRabbit

• Chores
  • Updated GitHub Actions workflows to make Turbo credentials optional instead of required.
  • Modified error handling to emit warnings when credentials are missing, gracefully skipping cache configuration rather than failing the build.

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Project	Deployment	Actions	Updated (UTC)
clerk-js-sandbox	Ready	Preview, Comment	Mar 26, 2026 0:43am

[changeset-bot]

🦋 Changeset detected

Latest commit: c51a2c3

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 0 packages

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commit: c51a2c3

[coderabbitai]

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ℹ️ Recent review info

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Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: ASSERTIVE

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Run ID: ccb2c58f-16af-41c3-9a85-83dfc97a03ae

📥 Commits

Reviewing files that changed from the base of the PR and between 118999c and c51a2c3.

📒 Files selected for processing (3)

• .changeset/warm-turbo-forks.md
• .github/actions/init-blacksmith/action.yml
• .github/actions/init/action.yml

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📝 Walkthrough

Walkthrough

The changes modify two GitHub Actions configuration files and add a Changesets metadata file. The turbo-team and turbo-token inputs in both .github/actions/init-blacksmith/action.yml and .github/actions/init/action.yml are changed from required to optional. Runtime validation logic in both actions is updated to accumulate missing credential fields and emit warnings instead of throwing errors, with Turbo cache environment variables skipped from export when credentials are incomplete. A new Changesets metadata file with empty frontmatter is added.

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: making Turbo credential inputs optional and converting validation failures into warnings for fork CI runs.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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