fix(ai): one session-layer retry owner for provider failures - #2045

Bugbot Analysis Progress (1m 49s elapsed)

✅ Gathered PR context (4s)
✅ Completed bug detection (1m 44s)
✅ Posted analysis results (1s)

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

Request ID: serverGenReqId_6a443cdb-811f-4cdd-9f5d-fb3e55abc24a