[emynogithub]

Summary

• Check whether exists before adding it in the KYC migration.
• Keep the approved-user backfill and guard rollback so it only drops an existing column.

Closes #631

[drips-wave]

@emynogithub Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀

Learn more about application limits

[TS-mfon]

✅ PR Ready for Review

Due to a recent malware incident affecting our repositories, all PRs are required to pass automated security checks before being reviewed for merging.

This PR has passed all automated checks:

• ✅ Security scan — no malicious code detected
• ✅ No merge conflicts

A maintainer will review and merge this PR shortly.

[TS-mfon]

✅ PR Ready for Review

Due to a recent malware incident affecting our repositories, all PRs are required to pass automated security checks before being reviewed for merging.

This PR has passed all automated checks:

• ✅ Security scan — no malicious code detected
• ✅ No merge conflicts

A maintainer will review and merge this PR shortly.