fix(github): retain labels in issue indexes

[kjgbot]

Summary

• project normalized GitHub issue labels into public per-repository issue index rows
• retain an explicit empty label array when an issue has no labels
• add regression coverage for the auxiliary emitter contract

Validation

• npm run build --workspace @relayfile/adapter-core
• npm test --workspace @relayfile/adapter-github (376 passed)

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Review details

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 419cc105-9488-4afb-9dc6-4d493eb2bb21

📥 Commits

Reviewing files that changed from the base of the PR and between db09cab and 6ba5f1d.

📒 Files selected for processing (2)

• packages/github/src/__tests__/emit-auxiliary-files.test.ts
• packages/github/src/emit-auxiliary-files.ts

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/github-index-label-values

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[gemini-code-assist]

Code Review

This pull request introduces support for extracting and including GitHub label names in the generated record index rows. It adds a helper function readGitHubLabelNames to parse labels (as strings or objects) and updates the index row builder to include this field. Additionally, the test suite is updated to assert that labels are correctly populated. The reviewer suggests adding test coverage to verify that an empty label array is retained when an issue has no labels, ensuring the implementation fully meets the stated goals.

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