* move setLang() to a root layout

* fix: findLang only returns acceptable languages
* fix: fallback to use header x-lang if we haven't setLang yet
* fix: languageSchema, allow uppercase

Approved-by: Linus Flood

app/[lang]/(live)/(protected)/my-pages/@breadcrumbs/[...path]/page.tsx

@@ -2,14 +2,11 @@ import { Suspense } from "react"
 
 import Breadcrumbs from "@/components/Breadcrumbs"
 import BreadcrumbsSkeleton from "@/components/TempDesignSystem/Breadcrumbs/BreadcrumbsSkeleton"
-import { setLang } from "@/i18n/serverContext"
 
 import type { LangParams, PageArgs } from "@/types/params"
 import { PageContentTypeEnum } from "@/types/requests/contentType"
 
-export default function AllBreadcrumbs({ params }: PageArgs<LangParams>) {
-  setLang(params.lang)
-
+export default function AllBreadcrumbs({}: PageArgs<LangParams>) {
   return (
     <Suspense fallback={<BreadcrumbsSkeleton />}>
       <Breadcrumbs variant={PageContentTypeEnum.accountPage} />

app/[lang]/(live)/(protected)/my-pages/[...path]/page.tsx

@@ -6,7 +6,6 @@ import Blocks from "@/components/Blocks"
 import SectionHeader from "@/components/Section/Header"
 import TrackingSDK from "@/components/TrackingSDK"
 import { getIntl } from "@/i18n"
-import { setLang } from "@/i18n/serverContext"
 
 import styles from "./page.module.css"
 
@@ -14,11 +13,9 @@ import type { LangParams, PageArgs } from "@/types/params"
 
 export { generateMetadata } from "@/utils/generateMetadata"
 
-export default async function MyPages({
-  params,
-}: PageArgs<LangParams & { path: string[] }>) {
-  setLang(params.lang)
-
+export default async function MyPages({}: PageArgs<
+  LangParams & { path: string[] }
+>) {
   const accountPageRes = await serverClient().contentstack.accountPage.get()
   const intl = await getIntl()
 

app/[lang]/(live)/(protected)/my-pages/profile/@communication/page.tsx

@@ -2,17 +2,12 @@ import ManagePreferencesButton from "@/components/Profile/ManagePreferencesButto
 import Body from "@/components/TempDesignSystem/Text/Body"
 import Subtitle from "@/components/TempDesignSystem/Text/Subtitle"
 import { getIntl } from "@/i18n"
-import { setLang } from "@/i18n/serverContext"
 
 import styles from "./page.module.css"
 
 import type { LangParams, PageArgs } from "@/types/params"
 
-export default async function CommunicationSlot({
-  params,
-}: PageArgs<LangParams>) {
-  setLang(params.lang)
-
+export default async function CommunicationSlot({}: PageArgs<LangParams>) {
   const intl = await getIntl()
   return (
     <section className={styles.container}>

app/[lang]/(live)/(protected)/my-pages/profile/@creditCards/page.tsx

@@ -5,14 +5,12 @@ import CreditCardList from "@/components/Profile/CreditCardList"
 import Body from "@/components/TempDesignSystem/Text/Body"
 import Subtitle from "@/components/TempDesignSystem/Text/Subtitle"
 import { getIntl } from "@/i18n"
-import { setLang } from "@/i18n/serverContext"
 
 import styles from "./page.module.css"
 
 import type { LangParams, PageArgs } from "@/types/params"
 
-export default async function CreditCardSlot({ params }: PageArgs<LangParams>) {
-  setLang(params.lang)
+export default async function CreditCardSlot({}: PageArgs<LangParams>) {
   const intl = await getIntl()
   const creditCards = await serverClient().user.creditCards()
 

app/[lang]/(live)/(protected)/my-pages/profile/@membershipCards/page.tsx

@@ -5,16 +5,12 @@ import Link from "@/components/TempDesignSystem/Link"
 import Body from "@/components/TempDesignSystem/Text/Body"
 import Subtitle from "@/components/TempDesignSystem/Text/Subtitle"
 import { getIntl } from "@/i18n"
-import { setLang } from "@/i18n/serverContext"
 
 import styles from "./page.module.css"
 
 import type { LangParams, PageArgs } from "@/types/params"
 
-export default async function MembershipCardSlot({
-  params,
-}: PageArgs<LangParams>) {
-  setLang(params.lang)
+export default async function MembershipCardSlot({}: PageArgs<LangParams>) {
   const intl = await getIntl()
   const membershipCards = await getMembershipCards()
 

app/[lang]/(live)/(protected)/my-pages/profile/@profile/edit/page.tsx

@@ -1,15 +1,10 @@
 import { getProfile } from "@/lib/trpc/memoizedRequests"
 
 import Form from "@/components/Forms/Edit/Profile"
-import { setLang } from "@/i18n/serverContext"
 
 import type { LangParams, PageArgs } from "@/types/params"
 
-export default async function EditProfileSlot({
-  params,
-}: PageArgs<LangParams>) {
-  setLang(params.lang)
-
+export default async function EditProfileSlot({}: PageArgs<LangParams>) {
   const user = await getProfile()
   if (!user || "error" in user) {
     return null

app/[lang]/(live)/(protected)/my-pages/profile/@profile/page.tsx

@@ -16,14 +16,12 @@ import Link from "@/components/TempDesignSystem/Link"
 import Body from "@/components/TempDesignSystem/Text/Body"
 import Title from "@/components/TempDesignSystem/Text/Title"
 import { getIntl } from "@/i18n"
-import { setLang } from "@/i18n/serverContext"
 
 import styles from "./page.module.css"
 
 import type { LangParams, PageArgs } from "@/types/params"
 
 export default async function Profile({ params }: PageArgs<LangParams>) {
-  setLang(params.lang)
   const intl = await getIntl()
   const user = await getProfile()
   if (!user || "error" in user) {

app/[lang]/(live)/(protected)/my-pages/profile/page.tsx

@@ -3,14 +3,12 @@ import "./profileLayout.css"
 import { serverClient } from "@/lib/trpc/server"
 
 import TrackingSDK from "@/components/TrackingSDK"
-import { setLang } from "@/i18n/serverContext"
 
 import type { LangParams, PageArgs } from "@/types/params"
 
 export { generateMetadata } from "@/utils/generateMetadata"
 
-export default async function ProfilePage({ params }: PageArgs<LangParams>) {
-  setLang(params.lang)
+export default async function ProfilePage({}: PageArgs<LangParams>) {
   const accountPage = await serverClient().contentstack.accountPage.get()
 
   if (!accountPage) {