/api/notifications now returns each conversation's resolved `account`, and /api/notify-log stamps an entry's `account` when its session's sidecar records one (`account` / `accountSource`) — never guessed, so an unattributed hub-only entry stays account-less. What the PWA's global Perso / Work switch scopes the notification feed and pending asks by. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>