fixed eslint

src/pages/AuthCallbackPage.tsx

@@ -1,20 +1,29 @@
 // src/pages/AuthCallbackPage.tsx
 import { useEffect, useRef } from 'react'
 import { useNavigate } from 'react-router-dom'
-import { userManager } from 'auth/oidc'
+import { userManager } from 'auth/oidc' // behåll alias/relativt enligt ditt projekt
+
+// Hjälpare: plocka ut returnTo från okänt state
+function pickReturnTo(state: unknown): string | undefined {
+  if (state && typeof state === 'object' && 'returnTo' in state) {
+    const v = (state as Record<string, unknown>).returnTo
+    return typeof v === 'string' ? v : undefined
+  }
+  return undefined
+}
 
 export default function AuthCallbackPage() {
   const navigate = useNavigate()
   const handled = useRef(false)
 
   useEffect(() => {
-    if (handled.current) return         // 👈 skydd mot StrictMode dubbelkörning
+    if (handled.current) return
     handled.current = true
 
     ;(async () => {
       try {
         const res = await userManager.signinRedirectCallback()
-        const target = (res?.state as any)?.returnTo || '/'
+        const target = pickReturnTo(res?.state) ?? '/'
         // Städa bort ?code&state ur URL:en:
         window.history.replaceState({}, '', target)
         navigate(target, { replace: true })