Add attachment support to email_reply outbound sends - #701

Bugbot Analysis Progress (2m 3s elapsed)

✅ Gathered PR context (2s)
✅ Completed bug detection (2m 0s)
✅ Posted analysis results (1s)

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

Request ID: serverGenReqId_cb74c9e3-3eda-407b-b609-3ebb4bc2d1b4