Prepare Sage 0.13.0 release - #836

Bugbot Analysis Progress (54s elapsed)

✅ Gathered PR context (2s)
✅ Completed bug detection (51s)
✅ Posted analysis results (0s)

Final Result: Bugbot completed review - no issues found! ✅

Request ID: serverGenReqId_8deaee54-c354-4b26-b7bc-67eceb092661