feat: add Latvian (lv) locale support

components/providers/intl-provider.tsx

@@ -10,6 +10,7 @@ import koMessages from '@/locales/ko/common.json';
 import esMessages from '@/locales/es/common.json';
 import itMessages from '@/locales/it/common.json';
 import deMessages from '@/locales/de/common.json';
+import lvMessages from '@/locales/lv/common.json';
 import nlMessages from '@/locales/nl/common.json';
 import plMessages from '@/locales/pl/common.json';
 import ptMessages from '@/locales/pt/common.json';
@@ -25,6 +26,7 @@ const ALL_MESSAGES = {
   es: esMessages,
   it: itMessages,
   de: deMessages,
+  lv: lvMessages,
   nl: nlMessages,
   pl: plMessages,
   pt: ptMessages,

components/service-worker-registration.tsx

@@ -4,16 +4,32 @@ import { useEffect } from "react";
 
 export function ServiceWorkerRegistration() {
   useEffect(() => {
-    if (typeof window !== "undefined" && "serviceWorker" in navigator) {
-      navigator.serviceWorker
-        .register("/sw.js")
-        .then((registration) => {
-          console.log("Service Worker registered successfully:", registration);
-        })
-        .catch((error) => {
-          console.error("Service Worker registration failed:", error);
-        });
+    if (typeof window === "undefined" || !("serviceWorker" in navigator)) {
+      return;
     }
+
+    if (process.env.NODE_ENV !== "production") {
+      // In development, unregister any previously installed service worker
+      // and clear its caches so hot reload always serves fresh assets.
+      navigator.serviceWorker.getRegistrations().then((registrations) => {
+        registrations.forEach((registration) => registration.unregister());
+      });
+      if ("caches" in window) {
+        caches.keys().then((keys) => {
+          keys.forEach((key) => caches.delete(key));
+        });
+      }
+      return;
+    }
+
+    navigator.serviceWorker
+      .register("/sw.js")
+      .then((registration) => {
+        console.log("Service Worker registered successfully:", registration);
+      })
+      .catch((error) => {
+        console.error("Service Worker registration failed:", error);
+      });
   }, []);
 
   return null;

components/ui/language-switcher.tsx

@@ -16,6 +16,7 @@ export function LanguageSwitcher({ className }: { className?: string }) {
     { value: 'es', label: 'Español' },
     { value: 'it', label: 'Italiano' },
     { value: 'de', label: 'Deutsch' },
+    { value: 'lv', label: 'Latviešu' },
     { value: 'nl', label: 'Nederlands' },
     { value: 'pl', label: 'Polski' },
     { value: 'pt', label: 'Português' },