fix(publishing): abandon publications when challenges close - #829

Bugbot Analysis Progress (1m 9s elapsed)

✅ Gathered PR context (2s)
✅ Completed bug detection (1m 6s)
✅ Posted analysis results (1s)

Final Result: Bugbot completed review - no issues found. 1 previously reported issue remain unresolved.

Request ID: serverGenReqId_8149db47-105c-4451-a377-c0ad2a5ddc7d