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fix(nexus): auto-recover from unknown company prefix

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When the URL contains a :companyPrefix segment that doesn't match any
fetched company, Layout previously rendered a dead-end NotFoundPage
with no recovery link. The sidebar's company switcher depends on
selectedCompany being non-null, so users landing on a bogus prefix
had no way back without hand-typing a new URL.

Replace the NotFoundPage branch with a redirect to the same path under
the first available company (selectedCompany ?? companies[0]). If the
rest of the path is empty, fall back to /dashboard so the target is
guaranteed to exist. The hasUnknownCompanyPrefix condition is already
gated on companies.length > 0, so the fallback is reachable; the old
NotFoundPage remains as a theoretical safety net if somehow both
selectedCompany and companies[0] are null.

Triggered by a user session after the embedded-postgres wipe: the
browser had a stale localStorage selectedCompanyId and the user
hand-typed URLs with guessed prefixes like /ASSISTANT/company/settings.
Hitting any invalid prefix stranded them on the 404 with no UI to
pick a different company.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Nexus Dev 2026-04-10 17:11:17 +00:00
parent 3d2117ee9f
commit ab45bc063d
1 changed files with 26 additions and 5 deletions
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31
ui/src/components/Layout.tsx
View file

@ -1,7 +1,7 @@
import { useCallback, useEffect, useMemo, useRef, useState } from "react";
import { useQuery } from "@tanstack/react-query";
import { BookOpen, MessageSquare, Moon, Settings, Sun } from "lucide-react";
import { Link, Outlet, useLocation, useNavigate, useParams } from "@/lib/router";
import { Link, Navigate, Outlet, useLocation, useNavigate, useParams } from "@/lib/router";
import { CompanyRail } from "./CompanyRail";
import { Sidebar } from "./Sidebar";
import { InstanceSidebar } from "./InstanceSidebar";
@ -460,10 +460,31 @@ export function Layout() {
)}
>
{hasUnknownCompanyPrefix ? (
<NotFoundPage
scope="invalid_company_prefix"
requestedPrefix={companyPrefix ?? selectedCompany?.issuePrefix}
/>
// [nexus] Auto-recover from bogus URL prefixes by redirecting
// to the same path under the first available company, instead
// of leaving the user stranded on an "Invite not available"
// style dead end with no way back. hasUnknownCompanyPrefix is
// already gated on companies.length > 0, so the fallback is
// guaranteed to resolve. If no fallback exists for some reason,
// fall through to the old NotFoundPage.
(() => {
const fallbackCompany = selectedCompany ?? companies[0] ?? null;
if (!fallbackCompany) {
return (
<NotFoundPage
scope="invalid_company_prefix"
requestedPrefix={companyPrefix ?? undefined}
/>
);
}
const restOfPath = location.pathname.replace(/^\/[^/]+/, "") || "/dashboard";
return (
<Navigate
to={`/${fallbackCompany.issuePrefix}${restOfPath}${location.search}${location.hash}`}
replace
/>
);
})()
) : (
<Outlet />
)}