Add French keyboard layout support and update language options

web/src/i18n/locales/de.ts

@@ -78,6 +78,7 @@ const de = {
       ctrlaltdel: 'Ctrl+Alt+Del',
       dropdownEnglish: 'Englisch',
       dropdownGerman: 'Deutsch',
+      dropdownFrench: 'Französisch',
       dropdownRussian: 'Russisch'
     },
     mouse: {

web/src/i18n/locales/en.ts

@@ -91,6 +91,7 @@ const en = {
       clipboardReadError: 'Failed to read clipboard',
       dropdownEnglish: 'English',
       dropdownGerman: 'German',
+      dropdownFrench: 'French',
       dropdownRussian: 'Russian',
       shortcut: {
         title: 'Shortcuts',

web/src/i18n/locales/fr.ts

@@ -70,7 +70,14 @@ const fr = {
       placeholder: 'Veuillez saisir',
       submit: 'Soumettre',
       virtual: 'Clavier',
-      ctrlaltdel: 'Ctrl+Alt+Del'
+      ctrlaltdel: 'Ctrl+Alt+Del',
+      readClipboard: 'Lire le presse-papiers',
+      clipboardPermissionDenied: "Accès au presse-papiers refusé. Veuillez autoriser l'accès dans votre navigateur.",
+      clipboardReadError: 'Échec de la lecture du presse-papiers',
+      dropdownEnglish: 'Anglais',
+      dropdownGerman: 'Allemand',
+      dropdownFrench: 'Français',
+      dropdownRussian: 'Russe'
     },
     mouse: {
       default: 'Curseur par défaut',

web/src/i18n/locales/ru.ts

@@ -76,6 +76,7 @@ const ru = {
       ctrlaltdel: 'Ctrl+Alt+Del',
       dropdownEnglish: 'Английский',
       dropdownGerman: 'Немецкий',
+      dropdownFrench: 'Французский',
       dropdownRussian: 'Русский'
     },
     mouse: {

web/src/pages/desktop/menu/keyboard/paste.tsx

@@ -29,6 +29,7 @@ export const Paste = () => {
   const languages = [
     { value: 'en', label: t('keyboard.dropdownEnglish') },
     { value: 'de', label: t('keyboard.dropdownGerman') },
+    { value: 'fr', label: t('keyboard.dropdownFrench') },
     { value: 'ru', label: t('keyboard.dropdownRussian') }
   ];
 
@@ -132,10 +133,11 @@ export const Paste = () => {
 
   function isValidForLanguage(value: string, selectedLangue: string) {
     const isRussian = selectedLangue === 'ru';
-    
+    const isFrench = selectedLangue === 'fr';
+
     for (const ch of value) {
       const code = ch.codePointAt(0) ?? 0;
-      
+
       if (isRussian) {
         // For Russian language, allow Cyrillic letters and special characters
         // that can be typed on Russian keyboard (but not English letters)
@@ -149,6 +151,12 @@ export const Paste = () => {
           continue;
         }
         return false;
+      } else if (isFrench) {
+        // For French, allow ASCII and Latin-1/Extended accented characters
+        // (é è ê ë à â ù û ç î ï ô œ æ ° µ £ § ¨ etc.)
+        if (code <= 0x7F) continue;
+        if (code >= 0x00A0 && code <= 0x017E) continue;
+        return false;
       } else {
         // For English/German, only allow ASCII
         if (code <= 0x7F) continue;