From b280d391e86eac4051e688e52199cd5ee2c4ec14 Mon Sep 17 00:00:00 2001
From: jtricerolph <info@tricerolph.com>
Date: Mon, 13 Jul 2026 11:53:06 +0000
Subject: [PATCH] Add shared device inactivity timeout to AuthGate

---
 src/components/AuthGate.tsx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/components/AuthGate.tsx b/src/components/AuthGate.tsx
index a5b5a2b..348679f 100644
--- a/src/components/AuthGate.tsx
+++ b/src/components/AuthGate.tsx
@@ -1,7 +1,14 @@
-import { useEffect, useState } from 'react'
+import { useEffect, useRef, useState } from 'react'
 import { useNavigate, useLocation } from 'react-router-dom'
 import type { User } from '../types'
 
+const SHARED_TIMEOUT_MS = 10 * 60 * 1000
+
+function isSharedDevice() {
+  return document.cookie.split(';').some(c => c.trim() === 'hnf_shared_device=1')
+}
+
+
 interface Props { children: (user: User) => React.ReactNode }
 
 export function AuthGate({ children }: Props) {