language code "cs"

interface/src/App.tsx

@@ -19,7 +19,7 @@ const AVAILABLE_LOCALES = [
   'sk',
   'sv',
   'tr',
-  'cz'
+  'cs'
 ] as Locales[];
 
 // Static toast configuration - no need to recreate on every render

interface/src/app/settings/ApplicationSettings.tsx

@@ -396,7 +396,7 @@ const ApplicationSettings = () => {
               margin="normal"
               select
             >
-              <MenuItem value="cz">Česky (CZ)</MenuItem>
+              <MenuItem value="cs">Česky (CS)</MenuItem>
               <MenuItem value="de">Deutsch (DE)</MenuItem>
               <MenuItem value="en">English (EN)</MenuItem>
               <MenuItem value="fr">Français (FR)</MenuItem>

interface/src/components/inputs/LanguageSelector.tsx

@@ -28,7 +28,7 @@ interface LanguageOption {
 }
 
 const LANGUAGE_OPTIONS: LanguageOption[] = [
-  { key: 'cz', flag: CZflag, label: 'CZ' },
+  { key: 'cs', flag: CZflag, label: 'CS' },
   { key: 'de', flag: DEflag, label: 'DE' },
   { key: 'en', flag: GBflag, label: 'EN' },
   { key: 'fr', flag: FRflag, label: 'FR' },

interface/src/i18n/cs/index.ts

@@ -1,6 +1,6 @@
 import type { Translation } from '../i18n-types';
 
-const cz: Translation = {
+const cs: Translation = {
   LANGUAGE: 'Jazyk',
   RETRY: 'Zkusit znovu',
   LOADING: 'Načítání',
@@ -368,4 +368,4 @@ const cz: Translation = {
 
 };
 
-export default cz;
+export default cs;