refactor(auth): apply fixed public instance locale resolution to auth pages

app/forgot-password/page.tsx

@@ -1,9 +1,6 @@
 import { AuthPageShell } from "@/components/auth/auth-page-shell";
-import { LocaleSelectForm } from "@/components/i18n/locale-select-form";
 import { getPublicBranding } from "@/server/branding/runtime";
-import { getSqliteConnection } from "@/server/db/client";
+import { resolvePublicLocale } from "@/server/i18n/resolver";
-import { ContentTranslationService } from "@/server/i18n/content";
-import { resolveRequestLocale } from "@/server/i18n/resolver";
 import { createTranslator } from "@/server/i18n/translator";
 import Link from "next/link";
 import { Alert, AlertDescription } from "poyraz-ui/molecules";
@@ -12,9 +9,8 @@ export const dynamic = "force-dynamic";
 
 export default async function ForgotPasswordPage() {
   const branding = getPublicBranding();
-  const locale = await resolveRequestLocale();
+  const locale = await resolvePublicLocale();
   const t = createTranslator(locale.locale, ["auth"]).t;
-  const localization = new ContentTranslationService(getSqliteConnection().db).getPublicLocalizationContext();
 
   return (
     <AuthPageShell
@@ -41,7 +37,6 @@ export default async function ForgotPasswordPage() {
       }}
       form={
         <div className="space-y-6">
-          <LocaleSelectForm label={t("auth.language")} value={locale.locale} locales={localization.locales} />
           <Alert variant="info" appearance="soft">
             <AlertDescription>{t("auth.forgot.helper")}</AlertDescription>
           </Alert>

app/invite/[token]/actions.ts

@@ -1,13 +1,10 @@
 "use server";
 
-import { cookies } from "next/headers";
 import { redirect } from "next/navigation";
 import {
   acceptPortalInvitation,
-  getPortalInvitationPreview,
   PortalInvitationError,
 } from "@/server/auth/invitations";
-import { buildLocaleCookie } from "@/server/i18n/locale";
 
 function inviteErrorCode(error: unknown): string {
   if (!(error instanceof PortalInvitationError)) return "auth.messages.portalInviteFailed";
@@ -27,7 +24,5 @@ export async function acceptInvitation(formData: FormData) {
     redirect(`/invite/${encodeURIComponent(token)}?error=true&code=${inviteErrorCode(error)}`);
   }
 
-  const locale = getPortalInvitationPreview(token)?.locale ?? "tr";
-  (await cookies()).set(buildLocaleCookie(locale));
   redirect("/login?code=auth.invite.success");
 }

app/invite/[token]/page.tsx

@@ -9,6 +9,7 @@ import { Input, Label } from "poyraz-ui/atoms";
 import { Alert, AlertDescription } from "poyraz-ui/molecules";
 import { getPortalInvitationPreview } from "@/server/auth/invitations";
 import { getPublicBranding } from "@/server/branding/runtime";
+import { resolveInvitationLocale } from "@/server/i18n/resolver";
 import { createTranslator } from "@/server/i18n/translator";
 
 export const dynamic = "force-dynamic";
@@ -28,7 +29,8 @@ export default async function InvitationPage({
     notFound();
   }
 
-  const t = createTranslator(invitation.locale, ["auth"]).t;
+  const resolvedLocale = await resolveInvitationLocale(invitation.locale);
+  const t = createTranslator(resolvedLocale.locale, ["auth"]).t;
   const query = await searchParams;
   const queryCode = query.code ?? null;
   const queryMessage = queryCode ? t(queryCode) : query.message;

app/login/page.tsx

@@ -1,16 +1,13 @@
 import { login } from "@/app/login/actions";
 import { AuthPageShell } from "@/components/auth/auth-page-shell";
 import { ErrorToaster } from "@/components/error-toaster";
-import { LocaleSelectForm } from "@/components/i18n/locale-select-form";
 import { LockKeyhole, LogIn, Mail } from "lucide-react";
 import Link from "next/link";
 import { Input, Label } from "poyraz-ui/atoms";
 import { Alert, AlertDescription } from "poyraz-ui/molecules";
 import { SubmitButton } from "@/components/auth/submit-button";
 import { getPublicBranding } from "@/server/branding/runtime";
-import { getSqliteConnection } from "@/server/db/client";
+import { resolvePublicLocale } from "@/server/i18n/resolver";
-import { ContentTranslationService } from "@/server/i18n/content";
-import { resolveRequestLocale } from "@/server/i18n/resolver";
 import { createTranslator } from "@/server/i18n/translator";
 import type { TranslationValues } from "@/lib/i18n";
 
@@ -40,9 +37,8 @@ export default async function LoginPage({
   const code = firstParam(resolvedParams?.code);
   const rawMessage = firstParam(resolvedParams?.message);
   const branding = getPublicBranding();
-  const locale = await resolveRequestLocale();
+  const locale = await resolvePublicLocale();
   const t = createTranslator(locale.locale, ["auth"]).t;
-  const localization = new ContentTranslationService(getSqliteConnection().db).getPublicLocalizationContext();
   const message = resolveAuthMessage(code, rawMessage, t);
   const marketing = {
     headline: t("auth.marketing.headline"),
@@ -78,7 +74,6 @@ export default async function LoginPage({
                 <AlertDescription>{message}</AlertDescription>
               </Alert>
             ) : null}
-            <LocaleSelectForm label={t("auth.language")} value={locale.locale} locales={localization.locales} />
             <div className="space-y-4">
               <div className="space-y-2">
                 <Label htmlFor="email" className="flex items-center gap-2">

app/register/page.tsx

@@ -1,7 +1,6 @@
 import { signup } from "@/app/login/actions";
 import { AuthPageShell } from "@/components/auth/auth-page-shell";
 import { ErrorToaster } from "@/components/error-toaster";
-import { LocaleSelectForm } from "@/components/i18n/locale-select-form";
 import { getFirstFreelancerSetupState } from "@/server/auth/setup";
 import { LockKeyhole, Mail, UserPlus } from "lucide-react";
 import Link from "next/link";
@@ -9,9 +8,7 @@ import { redirect } from "next/navigation";
 import { Input, Label } from "poyraz-ui/atoms";
 import { SubmitButton } from "@/components/auth/submit-button";
 import { getPublicBranding } from "@/server/branding/runtime";
-import { getSqliteConnection } from "@/server/db/client";
+import { resolvePublicLocale } from "@/server/i18n/resolver";
-import { ContentTranslationService } from "@/server/i18n/content";
-import { resolveRequestLocale } from "@/server/i18n/resolver";
 import { createTranslator } from "@/server/i18n/translator";
 import type { TranslationValues } from "@/lib/i18n";
 
@@ -53,9 +50,8 @@ export default async function RegisterPage({
   const code = firstParam(resolvedParams?.code);
   const rawMessage = firstParam(resolvedParams?.message);
   const branding = getPublicBranding();
-  const locale = await resolveRequestLocale();
+  const locale = await resolvePublicLocale();
   const t = createTranslator(locale.locale, ["auth"]).t;
-  const localization = new ContentTranslationService(getSqliteConnection().db).getPublicLocalizationContext();
   const message = resolveAuthMessage(code, rawMessage, t);
   const marketing = {
     headline: t("auth.marketing.headline"),
@@ -86,7 +82,6 @@ export default async function RegisterPage({
         marketing={marketing}
         form={
           <form className="space-y-6">
-            <LocaleSelectForm label={t("auth.language")} value={locale.locale} locales={localization.locales} />
             <div className="space-y-4">
               <div className="space-y-2">
                 <Label htmlFor="email" className="flex items-center gap-2">

app/reset-password/page.tsx

@@ -1,9 +1,6 @@
 import { AuthPageShell } from "@/components/auth/auth-page-shell";
-import { LocaleSelectForm } from "@/components/i18n/locale-select-form";
 import { getPublicBranding } from "@/server/branding/runtime";
-import { getSqliteConnection } from "@/server/db/client";
+import { resolvePublicLocale } from "@/server/i18n/resolver";
-import { ContentTranslationService } from "@/server/i18n/content";
-import { resolveRequestLocale } from "@/server/i18n/resolver";
 import { createTranslator } from "@/server/i18n/translator";
 import Link from "next/link";
 import { Alert, AlertDescription } from "poyraz-ui/molecules";
@@ -12,9 +9,8 @@ export const dynamic = "force-dynamic";
 
 export default async function ResetPasswordPage() {
   const branding = getPublicBranding();
-  const locale = await resolveRequestLocale();
+  const locale = await resolvePublicLocale();
   const t = createTranslator(locale.locale, ["auth"]).t;
-  const localization = new ContentTranslationService(getSqliteConnection().db).getPublicLocalizationContext();
 
   return (
     <AuthPageShell
@@ -41,7 +37,6 @@ export default async function ResetPasswordPage() {
       }}
       form={
         <div className="space-y-6">
-          <LocaleSelectForm label={t("auth.language")} value={locale.locale} locales={localization.locales} />
           <Alert variant="info" appearance="soft">
             <AlertDescription>{t("auth.reset.description")}</AlertDescription>
           </Alert>