Load draft content in admin while keeping public lesson locks

src/App.tsx

@@ -1615,6 +1615,7 @@ function LegalPage({ title, body }: { title: string; body: string[] }) {
 
 function AdminShell({ content, onSave }: { content: SiteContent; onSave: (c: SiteContent) => void }) {
   const [status, setStatus] = useState<'checking' | 'authenticated' | 'unauthenticated' | 'misconfigured'>('checking')
+  const [adminContent, setAdminContent] = useState<SiteContent>(content)
   const [password, setPassword] = useState('')
   const [errorMsg, setErrorMsg] = useState('')
   const [submitting, setSubmitting] = useState(false)
@@ -1639,6 +1640,36 @@ function AdminShell({ content, onSave }: { content: SiteContent; onSave: (c: Sit
       })
   }, [])
 
+  useEffect(() => {
+    if (status === 'authenticated') return
+    setAdminContent(content)
+  }, [content, status])
+
+  useEffect(() => {
+    if (status !== 'authenticated') return
+
+    let cancelled = false
+
+    fetch('/api/admin-content?source=draft')
+      .then(r => (r.ok ? r.json() : null))
+      .then(data => {
+        if (cancelled) return
+        if (data?.siteContent) {
+          setAdminContent(c => ({ ...c, ...data.siteContent }))
+        }
+      })
+      .catch(() => {})
+
+    return () => {
+      cancelled = true
+    }
+  }, [status])
+
+  function handleAdminSave(next: SiteContent) {
+    setAdminContent(next)
+    onSave(next)
+  }
+
   async function handleLogin(e: React.FormEvent) {
     e.preventDefault()
     setSubmitting(true)
@@ -1714,7 +1745,7 @@ function AdminShell({ content, onSave }: { content: SiteContent; onSave: (c: Sit
   }
 
   if (status === 'authenticated') {
-    return <AdminPage content={content} onSave={onSave} onLogout={handleLogout} />
+    return <AdminPage content={adminContent} onSave={handleAdminSave} onLogout={handleLogout} />
   }
 
   return (