feat: full studio build -- light theme, canvas thumbnails, i18n (fa/en)

src/i18n/request.ts

@@ -0,0 +1,16 @@
+import { getRequestConfig } from "next-intl/server";
+import { routing } from "./routing";
+
+export default getRequestConfig(async ({ requestLocale }) => {
+  let locale = await requestLocale;
+
+  // Validate locale — fall back to default if unknown
+  if (!locale || !(routing.locales as readonly string[]).includes(locale)) {
+    locale = routing.defaultLocale;
+  }
+
+  return {
+    locale,
+    messages: (await import(`../../messages/${locale}.json`)).default,
+  };
+});

src/i18n/routing.ts

@@ -0,0 +1,12 @@
+import { defineRouting } from "next-intl/routing";
+
+export const routing = defineRouting({
+  /** All supported locales */
+  locales: ["fa", "en"] as const,
+  /** Default locale — no URL prefix */
+  defaultLocale: "fa",
+  /** Default locale gets no /fa/ prefix; English is under /en/ */
+  localePrefix: "as-needed",
+});
+
+export type Locale = (typeof routing.locales)[number];