Unify file creation and signed upload sessions - #6264

Bugbot Analysis Progress (1m 36s elapsed)

✅ Gathered PR context (12s)
✅ Completed bug detection (1m 23s)
✅ Posted analysis results (1s)

Final Result: Bugbot completed review - no issues found. 2 previously reported issues remain unresolved.

Request ID: serverGenReqId_cf46a7df-53e7-4d15-bad3-190f28307acf