- Prefs sync: GET/PUT /api/prefs store Calm Filters/Boundaries on the account.
On sign-in the client adopts the account's prefs if present, else seeds them
from the device; every change PUTs to the account so tuning follows you across
devices. (Login side-effects run under untrack so browsing doesn't re-trigger.)
- Account panel: GET /api/account (email, connected sign-in methods, saved count,
active sessions); Export my data (GET /api/account/export → JSON download);
Sign out everywhere (revoke all sessions); Delete account (cascades to all
account data) with an inline confirm. Reachable from You → Account.
Deferred to a follow-up: link/unlink a provider (OAuth link-mode) and per-session
revoke. 118 tests pass.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
