The post-auth handler in CustomerPortal previously rendered the
"Portal access not configured" card when the SSO bridge returned 404
(no client row for the user's email). That trapped first-time SSO
users on a dead-end screen with no path to portal creation.
This change routes the 404 to a new OOBE component (src/portal/OOBE.tsx)
that drives portal creation:
* Mounts inline inside CustomerPortal so the post-auth flow stays
inside the portal render tree (no App-level router needed).
* Also reachable as a direct deep-link via the new /onboarding route
in App.tsx (for grooming admins or recovery flows).
* Submits to a new POST /api/portal/clients-from-auth endpoint in
groombook-api (companion commit) that creates a fresh client row
bound to the Better Auth email. 409 means the email already has a
portal record — the OOBE shows a portal-selection message.
* Uses the canonical shared signOut() from lib/auth-client (GRO-2358
invariant) for the Sign out button.
* Full window.location.href reload on submit success to reset the
bridge's cached state and land the user in their portal.
The no-access card itself is preserved for the deep-link deleted-portal
case (a customer whose portal was disabled/deleted), signalled via
?noAccess=deleted-portal on a portal sub-route. The OOBE handles the
first-time-creation case; the no-access card handles the "had a portal
but lost it" case.
Test coverage:
* "routes to /onboarding when session-from-auth returns 404 (GRO-2359)"
— proves the post-auth 404 mounts the OOBE inline, not the legacy
no-access card.
* 6 new OOBE tests: render from direct link, name prefill, form
submission, 409 portal-selection, required-name validation, shared
signOut(), redirect on no-session.
* P1 no-access tests reworked to use ?noAccess=deleted-portal so the
GRO-2358 signOut invariant is still verified on the only surviving
path to the no-access card.
UAT_PLAYBOOK §5.25.5–6e rewritten to cover the OOBE flow (form submit,
409, deep-link mount, deleted-portal no-access card).
Paired with the api PR on feature/2357-p2-portal-clients-from-auth.
Co-Authored-By: Paperclip <noreply@paperclip.ing>
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