ci: skip Claude Code Review on fork PRs#107
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GitHub Actions does not pass repository secrets (`CLAUDE_CODE_OAUTH_TOKEN`) or emit OIDC tokens for `pull_request` workflows triggered by forks. The `anthropics/claude-code-action@v1` action consequently fails with "Could not fetch an OIDC token" every time an external contributor opens a PR, leaving a spurious red check on the rollup. Gate the job on `github.event.pull_request.head.repo.fork == false` so the workflow is skipped (not failed) for fork PRs. Maintainers can still trigger a code review manually by mentioning @claude in a comment — that path goes through `claude.yml` (`workflow_dispatch` / `issue_comment` triggers) which runs in the upstream repo's security context with access to secrets. No behaviour change for PRs opened from branches in the upstream repo. Refs PR #106 (Telnyx recording parity by external contributor) which surfaced the noise.
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Summary
Claude Code Reviewworkflow on PRs opened from forks (1-lineif:guard on the job).pull_request-triggered workflows —anthropics/claude-code-action@v1consequently fails withCould not fetch an OIDC tokenand leaves a spurious red check on every external contribution.Implementation
.github/workflows/claude-code-review.yml: addif: github.event.pull_request.head.repo.fork == falseto theclaude-reviewjob.@claudemention viaclaude.yml).Breaking change?
No. The workflow keeps its full behaviour for PRs opened from branches in the upstream repo. Only fork PRs are affected — they previously failed with an OIDC error, now they skip the job cleanly.
Test plan
gh workflow view "Claude Code Review"— syntax valid (action YAML loads).claude-reviewshould reportSkipped, notFailure.Docs updates
N/A (CI-only change, not user-visible — no CHANGELOG entry per
documentation-best-practices.mdinvariant 0 exemption for pure refactors with zero behaviour change to the SDKs).Why now
Surfaced by #106 (external contributor's Telnyx recording parity PR). The failing
claude-reviewcheck is non-required so it doesn't actually block the merge, but it adds noise to every fork-PR rollup and makes "all green" status checks impossible for external contributors. Cleaner to skip than to fail.