Make English a default language on feedback page

ui/src/app.tsx

@@ -1,4 +1,4 @@
-import { BrowserRouter, Navigate, Route, Routes } from "react-router-dom";
+import { BrowserRouter, Navigate, Route, Routes, useLocation } from "react-router-dom";
 import { useEffect } from "react";
 import { useRecoilValue, useSetRecoilState } from "recoil";
 import Nav from "~/components/Nav";
@@ -10,19 +10,29 @@ import Management from "~/routes/management";
 import NotFound from "~/routes/[...404]";
 import Toasts from "~/components/Toasts";
 import { APP_ROLES, hasAnyRole } from "~/auth/roles";
-import { initializeLanguage, useLanguage } from "~/i18n";
-import { sessionAtom } from "~/state/appState";
+import { LANGUAGE_STORAGE_KEY, normalizeLanguage, useLanguage } from "~/i18n";
+import { languageAtom, sessionAtom } from "~/state/appState";
 import "./app.css";
 
 function AppShell() {
+  const location = useLocation();
   const { language, setLanguage } = useLanguage();
   const session = useRecoilValue(sessionAtom);
   const setSession = useSetRecoilState(sessionAtom);
+  const setLanguageAtom = useSetRecoilState(languageAtom);
 
   useEffect(() => {
+    // Feedback page manages its own language default
+    if (location.pathname === "/feedback") return;
     const storedPreferredLanguage = localStorage.getItem("session-preferred-language");
-    initializeLanguage(setLanguage, storedPreferredLanguage === "en" || storedPreferredLanguage === "sk" ? storedPreferredLanguage : "fi");
-  }, [setLanguage]);
+    const fallback = normalizeLanguage(storedPreferredLanguage === "en" || storedPreferredLanguage === "sk" ? storedPreferredLanguage : "fi");
+    const stored = localStorage.getItem(LANGUAGE_STORAGE_KEY);
+    if (stored !== null) {
+      setLanguage(normalizeLanguage(stored)); // explicit prior choice — keep it saved
+    } else {
+      setLanguageAtom(fallback); // just set the atom, don't persist the default
+    }
+  }, [location.pathname, setLanguage, setLanguageAtom]);
 
   useEffect(() => {
     const storedUsername = localStorage.getItem("session-username");

ui/src/i18n.ts

@@ -4,6 +4,8 @@ import { languageAtom, type Language } from "~/state/appState";
 
 const STORAGE_KEY = "ui-language";
 
+export { STORAGE_KEY as LANGUAGE_STORAGE_KEY };
+
 const translations = {
   en: {
     "nav.home": "Home",

ui/src/routes/feedback.tsx

@@ -1,13 +1,29 @@
 import { FormEvent, useEffect, useState } from "react";
+import { useSetRecoilState } from "recoil";
 import { submitFeedback } from "~/api";
-import { useT } from "~/i18n";
+import { LANGUAGE_STORAGE_KEY, useT } from "~/i18n";
+import { languageAtom } from "~/state/appState";
 
 export default function Feedback() {
   const t = useT();
+  const setLanguageAtom = useSetRecoilState(languageAtom);
   const [message, setMessage] = useState("");
   const [status, setStatus] = useState<"idle" | "sending" | "success" | "error">("idle");
   const [validationError, setValidationError] = useState("");
 
+  useEffect(() => {
+    // Default to English on the feedback page only when no language has been explicitly chosen
+    if (localStorage.getItem(LANGUAGE_STORAGE_KEY) === null) {
+      setLanguageAtom("en");
+    }
+    return () => {
+      // Restore Finnish default when leaving, if the user still hasn't made an explicit choice
+      if (localStorage.getItem(LANGUAGE_STORAGE_KEY) === null) {
+        setLanguageAtom("fi");
+      }
+    };
+  }, [setLanguageAtom]);
+
   useEffect(() => {
     document.title = t("feedback.title");
   }, [t]);