Present mobile sign-in options in a bottom sheet - #7206

Bugbot Analysis Progress (5m 39s elapsed)

✅ Gathered PR context (25s)
✅ Completed bug detection (5m 14s)
✅ Posted analysis results (1s)

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

Request ID: serverGenReqId_1bbf7bec-9ef5-4a4f-bddb-c0d340d5fbfb