Promote uat → main (PROD): GRO-2359 OOBE portal-creation routing (web) (#79)

Co-authored-by: Flea Flicker <22+gb_flea@noreply.git.farh.net>
Co-committed-by: Flea Flicker <22+gb_flea@noreply.git.farh.net>

src/App.tsx

@@ -16,6 +16,7 @@ import { BookingCancelledPage } from "./pages/BookingCancelled.js";
 import { BookingErrorPage } from "./pages/BookingError.js";
 import { SetupWizard } from "./pages/SetupWizard.tsx";
 import { CustomerPortal } from "./portal/CustomerPortal.js";
+import { OOBE } from "./portal/OOBE.js";
 import { DevLoginSelector, getDevUser } from "./pages/DevLoginSelector.js";
 import { DevSessionIndicator } from "./components/DevSessionIndicator.js";
 import { BrandingProvider, useBranding } from "./BrandingContext.js";
@@ -406,7 +407,13 @@ export function App() {
   }
 
   // Don't render portal chrome at /login — DevLoginSelector is shown instead
-  const showCustomerPortal = !location.pathname.startsWith("/admin") && location.pathname !== "/login";
+  const showCustomerPortal = !location.pathname.startsWith("/admin") && location.pathname !== "/login" && location.pathname !== "/onboarding";
+  // GRO-2359: OOBE is mountable from a direct link (deep-link to /onboarding)
+  // and from the post-auth callback (CustomerPortal navigates here when the
+  // SSO bridge returns 404). Render the OOBE component standalone so it's
+  // outside the portal chrome (no `!sessionId` guards, no `!initComplete`
+  // loading states to fight — the OOBE handles its own auth resolution).
+  const showOOBE = location.pathname === "/onboarding";
 
   // At /login with a valid session, redirect to the portal root. Without this,
   // the final render returns null at /login (showCustomerPortal is false) and
@@ -425,6 +432,11 @@ export function App() {
           </Routes>
           {authDisabled && <DevSessionIndicator />}
         </>
+      ) : showOOBE ? (
+        <>
+          <OOBE />
+          {authDisabled && <DevSessionIndicator />}
+        </>
       ) : showCustomerPortal ? (
         <>
           <CustomerPortal />