fix: skip Claude PR review for bot-initiated PRs instead of erroring

[nick-inkeep]

Summary

• Add github.event.sender.type != 'Bot' to the pull_request job condition in claude-code-review.yml
• Bot-initiated PRs (e.g. from inkeep, dependabot) now show as skipped (neutral) instead of failed (red X)
• Human reviewers can still trigger reviews on bot PRs via @claude --review comments (the issue_comment path is unchanged)

Context

Bot PRs like #2034 were failing because claude-code-action rejects non-human actors not in allowed_bots, causing noisy red X check failures.

Test plan

• Verify this PR's own Claude PR Review check is skipped (it was triggered by a human, so it should run normally — but confirms YAML is valid)
• Next bot-initiated PR should show "skipped" instead of "failed"

🤖 Generated with Claude Code

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Latest commit: a55a481

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[claude]

PR Review Summary

(0) Total Issues | Risk: Low

Analysis

This PR adds github.event.sender.type != 'Bot' to the pull_request job condition in claude-code-review.yml, causing bot-initiated PRs to be skipped (neutral status) rather than failing when claude-code-action rejects non-human actors.

DevOps validation confirms:

• ✅ Correct API usage — github.event.sender.type is the canonical property for distinguishing Bot vs User actors on pull_request events
• ✅ Consistent with existing patterns — the issue_comment branch already filters bots via !contains(github.actor, '[bot]'), using the appropriate property for that event type
• ✅ No permission changes — the existing least-privilege permissions block is preserved
• ✅ No action pinning changes — SHA-pinned claude-code-action remains unchanged
• ✅ No documentation drift — this operational detail doesn't require contributor-facing docs updates

The implementation is correct, minimal, and addresses the stated problem (noisy red X failures on bot PRs like #2034).

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✅ APPROVE

Summary: Clean 1-line fix that properly uses GitHub's event payload to skip automated reviews for bot-initiated PRs. The change is correct, consistent with existing patterns, and has no side effects. Ship it! 🚀

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Reviewers (1)

Reviewer	Returned	Main Findings	Consider	While You're Here	Inline Comments	Pending Recs	Discarded
pr-review-devops	4	0	0	0	0	0	0
Total	4	0	0	0	0	0	0

Note: All 4 returned findings were positive validations (INFO severity) confirming correctness, not issues or suggestions.