feat(ui): add multiSessionStart prop to SignIn - #9651

Draft

djgould wants to merge 4 commits into

dg/router-replace-optionfrom

dg/signin-multisession-start

Commits on Sep 8, 2026

feat(ui): add experimental multiSessionStart prop to SignIn

djgould
and
claude
committed
4be59f8
feat(ui): graduate multiSessionStart prop from experimental

djgould
and
claude
committed
8c1f14f
fix(ui): write add-account params to the fragment so hash routing sees them

djgould
and
claude
committed
8a317fa
fix(ui): keep multiSessionStart switcher redirect off the sign-in flow

djgould
and
claude
committed
6b73cfb