fix(ci): handle non-zero exit code in SDK version bump workflow

[jeremyeder]

Summary

• SDK version bump workflow has been failing daily since at least April 17
• Root cause: GitHub Actions' set -e aborts the shell when the Python check script exits with code 2 (meaning "updates available"), before EXIT_CODE=$? can capture it
• Fix: initialize EXIT_CODE=0 and use || EXIT_CODE=$? to safely capture non-zero exits

Pending SDK updates once this lands and the workflow re-runs:

• claude-agent-sdk: 0.1.50 → 0.1.64
• anthropic: 0.88.0 → 0.96.0

Test plan

• Merge and trigger SDK Version Bump workflow manually
• Verify it creates a PR bumping the two SDK versions

🤖 Generated with Claude Code

Summary by CodeRabbit

• Chores
  • Improved error handling in the SDK version update checking workflow to better capture and report script exit statuses.

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[coderabbitai]

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📥 Commits

Reviewing files that changed from the base of the PR and between 2270790 and d441d54.

📒 Files selected for processing (1)

• .github/workflows/sdk-version-bump.yml

Cache: Disabled due to data retention organization setting

Knowledge base: Disabled due to data retention organization setting

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📝 Walkthrough

Walkthrough

Modified GitHub Actions workflow to gracefully capture script exit codes without immediate step failure, enabling conditional logic evaluation based on the script's exit status.

Changes

Cohort / File(s)	Summary
Workflow Configuration .github/workflows/sdk-version-bump.yml	Updated "Check for SDK updates" step to initialize EXIT_CODE to 0 and capture script exit code via || EXIT_CODE=$? pattern, allowing conditional logic to evaluate results instead of failing immediately on nonzero exit.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/sdk-version-bump-exit-code

✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch fix/sdk-version-bump-exit-code

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