feat: add approvals workflow and unified member invitation management across projects, workspaces, and videos

app/invitations/accept/page.tsx

@@ -0,0 +1,47 @@
+import { redirect } from 'next/navigation';
+import { auth } from '@/lib/auth';
+import { acceptInvitationTokenForUser } from '@/lib/invitations';
+
+interface InvitationAcceptPageProps {
+  searchParams: Promise<{
+    token?: string;
+    email?: string;
+  }>;
+}
+
+export default async function InvitationAcceptPage({ searchParams }: InvitationAcceptPageProps) {
+  const resolvedSearchParams = await searchParams;
+  const token = resolvedSearchParams.token?.trim();
+
+  if (!token) {
+    redirect('/login?error=invalid_invitation');
+  }
+
+  const session = await auth();
+  if (!session?.user?.id) {
+    const callbackUrl = `/invitations/accept?token=${encodeURIComponent(token)}`;
+    redirect(`/login?callbackUrl=${encodeURIComponent(callbackUrl)}`);
+  }
+
+  const userEmail = session.user.email?.toLowerCase().trim();
+  if (!userEmail) {
+    redirect('/dashboard?invite=invalid_email');
+  }
+
+  const result = await acceptInvitationTokenForUser({
+    token,
+    userId: session.user.id,
+    email: userEmail,
+  });
+
+  if (result === 'accepted') {
+    redirect('/dashboard?invite=accepted');
+  }
+  if (result === 'expired') {
+    redirect('/dashboard?invite=expired');
+  }
+  if (result === 'forbidden') {
+    redirect('/dashboard?invite=wrong_account');
+  }
+  redirect('/dashboard?invite=not_found');
+}