feat: non-blocking, concurrent prime uploads - #4363

Bugbot Analysis Progress (3m 54s elapsed)

✅ Gathered PR context (3s)
✅ Completed bug detection (3m 51s)
✅ Posted analysis results (0s)

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

Request ID: 8030491a-b3b4-4f57-ac47-98773dba949e