feat(i18n): localize auth, dashboard, contact

frontend/app/[locale]/contacts/page.tsx

@@ -1,17 +1,29 @@
-export const metadata = {
-  title: "Contacts | DevLovers",
-  description:
-    "Get in touch with the DevLovers team for questions, feedback, or collaboration.",
-};
+import { getTranslations } from "next-intl/server";
+
+export async function generateMetadata({
+  params,
+}: {
+  params: Promise<{ locale: string }>;
+}) {
+  const { locale } = await params;
+  const t = await getTranslations({ locale, namespace: "contacts" });
+
+  return {
+    title: t("metaTitle"),
+    description: t("metaDescription"),
+  };
+}
+
+export default async function ContactsPage() {
+  const t = await getTranslations("contacts");
 
-export default function ContactsPage() {
   return (
     <main className="max-w-2xl mx-auto py-12 px-4">
-      <h1 className="text-3xl font-bold mb-6">Contacts</h1>
-      <p className="mb-4">We’d love to hear from you! 💬</p>
+      <h1 className="text-3xl font-bold mb-6">{t("title")}</h1>
+      <p className="mb-4">{t("subtitle")} 💬</p>
       <ul className="space-y-2">
         <li>
-          📧 Email:{" "}
+          📧 {t("email")}{" "}
           <a
             href="mailto:victor.svertoka@gmail.com"
             className="text-blue-600 hover:underline"
@@ -20,7 +32,7 @@ export default function ContactsPage() {
           </a>
         </li>
         <li>
-          💼 LinkedIn:{" "}
+          💼 {t("linkedin")}{" "}
           <a
             href="https://www.linkedin.com/in/viktor-svertoka/"
             target="_blank"
@@ -31,7 +43,7 @@ export default function ContactsPage() {
           </a>
         </li>
         <li>
-          🧑‍💻 GitHub:{" "}
+          🧑‍💻 {t("github")}{" "}
           <a
             href="https://github.com/ViktorSvertoka"
             target="_blank"
@@ -44,4 +56,4 @@ export default function ContactsPage() {
       </ul>
     </main>
   );
-}
+}

frontend/app/[locale]/dashboard/page.tsx

@@ -1,5 +1,6 @@
 import { redirect } from '@/i18n/routing';
 import { Link } from '@/i18n/routing'
+import { getTranslations } from 'next-intl/server';
 import { getCurrentUser } from '@/lib/auth';
 import { getUserProfile } from '@/db/queries/users';
 import { getUserQuizStats } from '@/db/queries/quiz';
@@ -9,10 +10,19 @@ import { StatsCard } from '@/components/dashboard/StatsCard';
 import { QuizSavedBanner } from '@/components/dashboard/QuizSavedBanner';
 import { PostAuthQuizSync } from "@/components/auth/PostAuthQuizSync";
 
-export const metadata = {
-  title: 'Dashboard | DevLovers',
-  description: 'Track your progress and quiz performance.',
-};
+export async function generateMetadata({
+  params,
+}: {
+  params: Promise<{ locale: string }>;
+}) {
+  const { locale } = await params;
+  const t = await getTranslations({ locale, namespace: 'dashboard' });
+
+  return {
+    title: t('metaTitle'),
+    description: t('metaDescription'),
+  };
+}
 
 export default async function DashboardPage({ params }: { params: Promise<{ locale: string }> }) {
   const session = await getCurrentUser();
@@ -22,6 +32,8 @@ export default async function DashboardPage({ params }: { params: Promise<{ loca
   const user = await getUserProfile(session.id);
   if (!user) { redirect({ href: '/login', locale }); return; }
 
+  const t = await getTranslations('dashboard');
+
   const attempts = await getUserQuizStats(session.id);
 
   const totalAttempts = attempts.length;
@@ -36,7 +48,7 @@ export default async function DashboardPage({ params }: { params: Promise<{ loca
 
   const lastActiveDate =
     totalAttempts > 0
-      ? new Date(attempts[0].completedAt).toLocaleDateString('uk-UA')
+      ? new Date(attempts[0].completedAt).toLocaleDateString(locale)
       : null;
 
   const userForDisplay = {
@@ -74,21 +86,21 @@ export default async function DashboardPage({ params }: { params: Promise<{ loca
           <div>
             <h1 className="text-4xl md:text-5xl font-black tracking-tight drop-shadow-sm">
               <span className="bg-gradient-to-r from-sky-400 via-violet-400 to-pink-400 dark:from-sky-400 dark:via-indigo-400 dark:to-fuchsia-500 bg-clip-text text-transparent">
-                Dashboard
+                {t('title')}
               </span>
             </h1>
             <p className="mt-2 text-slate-600 dark:text-slate-400 text-lg">
-              Welcome back to your training ground.
+              {t('subtitle')}
             </p>
           </div>
 
           <Link href="/contacts" className={outlineBtnStyles}>
-            Support & Feedback
+            {t('supportLink')}
           </Link>
         </header>
         <QuizSavedBanner />
         <div className="grid gap-8 md:grid-cols-2">
-          <ProfileCard user={userForDisplay} />
+          <ProfileCard user={userForDisplay} locale={locale} />
           <StatsCard stats={stats} />
         </div>
       </div>

frontend/components/auth/AuthProvidersBlock.tsx

@@ -1,14 +1,19 @@
+"use client";
+
+import { useTranslations } from "next-intl";
 import { OAuthButtons } from "@/components/auth/OAuthButtons";
 
 export function AuthProvidersBlock() {
+    const t = useTranslations("auth");
+
     return (
         <>
             <OAuthButtons />
 
             <div className="flex items-center gap-3">
                 <div className="h-px flex-1 bg-gray-200" />
                 <span className="text-xs text-gray-500">
-                    or
+                    {t("divider")}
                 </span>
                 <div className="h-px flex-1 bg-gray-200" />
             </div>

frontend/components/auth/ForgotPasswordForm.tsx

@@ -1,13 +1,15 @@
 "use client";
 
 import { useState } from "react";
+import { useTranslations } from "next-intl";
 import { Button } from "@/components/ui/button";
 import { AuthShell } from "@/components/auth/AuthShell";
 import { AuthErrorBanner } from "@/components/auth/AuthErrorBanner";
 import { AuthSuccessBanner } from "@/components/auth/AuthSuccessBanner";
 import { EmailField } from "@/components/auth/fields/EmailField";
 
 export function ForgotPasswordForm() {
+    const t = useTranslations("auth.forgotPassword");
     const [loading, setLoading] = useState(false);
     const [error, setError] = useState<string | null>(null);
     const [emailSent, setEmailSent] = useState(false);
@@ -37,34 +39,30 @@ export function ForgotPasswordForm() {
             );
 
             if (!res.ok) {
-                setError(
-                    "Failed to send reset email. Please try again."
-                );
+                setError(t("errors.sendFailed"));
                 return;
             }
 
             setEmailSent(true);
         } catch {
-            setError(
-                "Network error. Please check your connection."
-            );
+            setError(t("errors.networkError"));
         } finally {
             setLoading(false);
         }
     }
 
     return (
-        <AuthShell title="Reset password">
+        <AuthShell title={t("title")}>
             {emailSent ? (
                 <AuthSuccessBanner
                     message={
                         <>
                             <p>
-                                We’ve sent a password reset link to{" "}
+                                {t("emailSent")}{" "}
                                 <strong>{email}</strong>.
                             </p>
                             <p className="mt-2">
-                                Please check your inbox.
+                                {t("checkInbox")}
                             </p>
                         </>
                     }
@@ -82,9 +80,7 @@ export function ForgotPasswordForm() {
                         disabled={loading}
                         className="w-full"
                     >
-                        {loading
-                            ? "Sending..."
-                            : "Send reset link"}
+                        {loading ? t("submitting") : t("submit")}
                     </Button>
                 </form>
             )}

frontend/components/auth/LoginForm.tsx

@@ -1,6 +1,7 @@
 "use client";
 
 import { useState } from "react";
+import { useTranslations } from "next-intl";
 import { Link } from "@/i18n/routing";
 import { Button } from "@/components/ui/button";
 import { AuthShell } from "@/components/auth/AuthShell";
@@ -20,6 +21,7 @@ export function LoginForm({
     locale,
     returnTo,
 }: LoginFormProps) {
+    const t = useTranslations("auth.login");
     const [loading, setLoading] = useState(false);
     const [errorMessage, setErrorMessage] =
         useState<string | null>(null);
@@ -58,11 +60,9 @@ export function LoginForm({
                 setErrorCode(data?.code ?? null);
 
                 if (data?.code === "EMAIL_NOT_VERIFIED") {
-                    setErrorMessage(
-                        "Your email address is not verified. Please check your inbox."
-                    );
+                    setErrorMessage(t("errors.emailNotVerified"));
                 } else {
-                    setErrorMessage("Invalid email or password");
+                    setErrorMessage(t("errors.invalidCredentials"));
                 }
                 return;
             }
@@ -71,9 +71,7 @@ export function LoginForm({
                 returnTo || `/${locale}/dashboard`;
         } catch (err) {
             console.error("Login request failed:", err);
-            setErrorMessage(
-                "Network error. Please check your connection and try again."
-            );
+            setErrorMessage(t("errors.networkError"));
             setErrorCode(null);
         } finally {
             setLoading(false);
@@ -94,10 +92,7 @@ export function LoginForm({
 
             if (!res.ok) {
                 setErrorCode(data?.code ?? "RESEND_FAILED");
-                setErrorMessage(
-                    data?.error ??
-                    "Failed to resend verification email. Please try again."
-                );
+                setErrorMessage(data?.error ?? t("errors.resendFailed"));
                 return;
             }
 
@@ -107,18 +102,16 @@ export function LoginForm({
         } catch (err) {
             console.error("Resend verification failed:", err);
             setErrorCode("NETWORK_ERROR");
-            setErrorMessage(
-                "Network error. Please check your connection and try again."
-            );
+            setErrorMessage(t("errors.networkError"));
         }
     }
 
     return (
         <AuthShell
-            title="Log in"
+            title={t("title")}
             footer={
                 <p className="text-sm text-gray-600">
-                    Don’t have an account?{" "}
+                    {t("noAccount")}{" "}
                     <Link
                         href={
                             returnTo
@@ -129,7 +122,7 @@ export function LoginForm({
                         }
                         className="underline"
                     >
-                        Sign up
+                        {t("signupLink")}
                     </Link>
                 </p>
             }
@@ -152,7 +145,7 @@ export function LoginForm({
                         }
                         className="text-sm underline text-gray-600"
                     >
-                        Forgot password?
+                        {t("forgotPassword")}
                     </Link>
                 </div>
 
@@ -161,7 +154,7 @@ export function LoginForm({
                         message={errorMessage}
                         actionLabel={
                             errorCode === "EMAIL_NOT_VERIFIED"
-                                ? "Resend verification email"
+                                ? t("resendVerification")
                                 : undefined
                         }
                         onAction={
@@ -176,7 +169,7 @@ export function LoginForm({
                     <AuthSuccessBanner
                         message={
                             <>
-                                Verification successfully sent to{" "}
+                                {t("verificationSent")}{" "}
                                 <strong>{email}</strong>
                             </>
                         }
@@ -188,7 +181,7 @@ export function LoginForm({
                     disabled={loading}
                     className="w-full"
                 >
-                    {loading ? "Logging in..." : "Log in"}
+                    {loading ? t("submitting") : t("submit")}
                 </Button>
             </form>
         </AuthShell>