docs: remove outdated metadata files and update README with new demo GIF

README.md

@@ -18,7 +18,9 @@
 <br>
 
 <div align="center">
-<img src="fastlane/metadata/android/en-US/images/phoneScreenshots/1.png" alt="App Demo" width="250" />
+
+![Conduit Demo](fastlane/metadata/en-US/images/conduit-demo.gif)
+
 </div>
 
 <br>
@@ -73,7 +75,7 @@ flutter run -d ios   # or: -d android
 
 | | | | |
 | --- | --- | --- | --- |
-| <img src="fastlane/metadata/android/en-US/images/phoneScreenshots/2.png" alt="Screenshot 2" width="200" /> | <img src="fastlane/metadata/android/en-US/images/phoneScreenshots/3.png" alt="Screenshot 3" width="200" /> | <img src="fastlane/metadata/android/en-US/images/phoneScreenshots/4.png" alt="Screenshot 4" width="200" /> | <img src="fastlane/metadata/android/en-US/images/phoneScreenshots/5.png" alt="Screenshot 5" width="200" /> |
+| <img src="fastlane/metadata/en-US/images/phoneScreenshots/2.png" alt="Screenshot 2" width="200" /> | <img src="fastlane/metadata/en-US/images/phoneScreenshots/3.png" alt="Screenshot 3" width="200" /> | <img src="fastlane/metadata/en-US/images/phoneScreenshots/4.png" alt="Screenshot 4" width="200" /> | <img src="fastlane/metadata/en-US/images/phoneScreenshots/5.png" alt="Screenshot 5" width="200" /> |
 
 ## Requirements
 

fastlane/metadata/en-US/description.txt

@@ -1,24 +0,0 @@
-Conduit is an open-source, native mobile client for Open‑WebUI. Connect to your own server to chat with AI models, manage conversations, and take your self‑hosted AI with you—securely and on the go.
-
-Key Features
-- Real-time streaming chat
-- Model selection
-- Conversation search and management
-- Voice input (speech-to-text)
-- File and image uploads for retrieval-augmented generation (RAG)
-- Vision and multi‑modal support
-- Markdown rendering with syntax highlighting
-- Light, dark, and system themes
-- Secure credential storage
-
-Requirements
-- An existing Open‑WebUI server (Conduit does not host or provide AI models).
-
-Privacy & Permissions
-- Microphone: For voice input
-- Camera and Photos: For image/file attachments
-- Network: To connect to your Open‑WebUI server
-
-Open Source
-Built with Flutter and maintained by the community. Contributions are welcome.
-

fastlane/metadata/en-US/name.txt

@@ -1,2 +0,0 @@
-Conduit
-

fastlane/metadata/en-US/subtitle.txt

@@ -1,2 +0,0 @@
-Chat with your self‑hosted AI
-

lib/features/auth/views/authentication_page.dart

@@ -483,7 +483,7 @@ class _AuthenticationPageState extends ConsumerState<AuthenticationPage> {
             ),
           ]),
           obscureText: _obscurePassword,
-          semanticLabel: 'Enter your API key',
+          semanticLabel: AppLocalizations.of(context)!.enterApiKey,
           prefixIcon: Icon(
             Platform.isIOS
                 ? CupertinoIcons.lock_shield
@@ -516,14 +516,14 @@ class _AuthenticationPageState extends ConsumerState<AuthenticationPage> {
       children: [
         AccessibleFormField(
           label: AppLocalizations.of(context)!.usernameOrEmail,
-          hint: 'Enter your username or email',
+          hint: AppLocalizations.of(context)!.usernameOrEmailHint,
           controller: _usernameController,
           validator: InputValidationService.combine([
             InputValidationService.validateRequired,
             (value) => InputValidationService.validateEmailOrUsername(value),
           ]),
           keyboardType: TextInputType.emailAddress,
-          semanticLabel: 'Enter your username or email',
+          semanticLabel: AppLocalizations.of(context)!.usernameOrEmailHint,
           prefixIcon: Icon(
             Platform.isIOS ? CupertinoIcons.person : Icons.person_outline,
             color: context.conduitTheme.iconSecondary,
@@ -534,18 +534,18 @@ class _AuthenticationPageState extends ConsumerState<AuthenticationPage> {
         const SizedBox(height: Spacing.lg),
         AccessibleFormField(
           label: AppLocalizations.of(context)!.password,
-          hint: 'Enter your password',
+          hint: AppLocalizations.of(context)!.passwordHint,
           controller: _passwordController,
           validator: InputValidationService.combine([
             InputValidationService.validateRequired,
             (value) => InputValidationService.validateMinLength(
               value,
               1,
-              fieldName: 'Password',
+              fieldName: AppLocalizations.of(context)!.password,
             ),
           ]),
           obscureText: _obscurePassword,
-          semanticLabel: 'Enter your password',
+          semanticLabel: AppLocalizations.of(context)!.passwordHint,
           prefixIcon: Icon(
             Platform.isIOS ? CupertinoIcons.lock : Icons.lock_outline,
             color: context.conduitTheme.iconSecondary,
@@ -576,7 +576,7 @@ class _AuthenticationPageState extends ConsumerState<AuthenticationPage> {
       child:
           ConduitButton(
             text: _isSigningIn
-                ? 'Signing in...'
+                ? AppLocalizations.of(context)!.signingIn
                 : _useApiKey
                 ? AppLocalizations.of(context)!.signInWithApiKey
                 : AppLocalizations.of(context)!.signIn,

lib/features/auth/views/server_connection_page.dart

@@ -360,7 +360,7 @@ class _ServerConnectionPageState extends ConsumerState<ServerConnectionPage> {
                 Positioned(
                   bottom: 0,
                   child: ConduitBadge(
-                    text: 'Demo',
+                    text: AppLocalizations.of(context)!.demoBadge,
                     backgroundColor: context.conduitTheme.warning.withValues(alpha: 0.15),
                     textColor: context.conduitTheme.warning,
                     isCompact: true,
@@ -425,7 +425,7 @@ class _ServerConnectionPageState extends ConsumerState<ServerConnectionPage> {
                   crossAxisAlignment: CrossAxisAlignment.start,
                   children: [
                     Text(
-                      'Demo Mode Active',
+                      AppLocalizations.of(context)!.demoModeActive,
                       style: context.conduitTheme.bodyMedium?.copyWith(
                         fontWeight: FontWeight.w600,
                         color: context.conduitTheme.warning,
@@ -433,7 +433,7 @@ class _ServerConnectionPageState extends ConsumerState<ServerConnectionPage> {
                     ),
                     const SizedBox(height: Spacing.xs),
                     Text(
-                      'Skip server setup and try the demo',
+                      AppLocalizations.of(context)!.skipServerSetupTryDemo,
                       style: context.conduitTheme.bodySmall?.copyWith(
                         color: context.conduitTheme.textSecondary,
                       ),
@@ -445,7 +445,7 @@ class _ServerConnectionPageState extends ConsumerState<ServerConnectionPage> {
           ),
           const SizedBox(height: Spacing.lg),
           ConduitButton(
-            text: 'Enter Demo',
+            text: AppLocalizations.of(context)!.enterDemo,
             icon: Platform.isIOS ? CupertinoIcons.play_fill : Icons.play_arrow,
             onPressed: () {
               Navigator.of(context).push(
@@ -470,15 +470,15 @@ class _ServerConnectionPageState extends ConsumerState<ServerConnectionPage> {
         crossAxisAlignment: CrossAxisAlignment.stretch,
         children: [
           AccessibleFormField(
-            label: 'Server URL',
+            label: AppLocalizations.of(context)!.serverUrl,
-            hint: 'https://your-server.com',
+            hint: AppLocalizations.of(context)!.serverUrlHint,
             controller: _urlController,
             validator: InputValidationService.combine([
               InputValidationService.validateRequired,
               (value) => InputValidationService.validateUrl(value, required: true),
             ]),
             keyboardType: TextInputType.url,
-            semanticLabel: 'Enter your server URL or IP address',
+            semanticLabel: AppLocalizations.of(context)!.enterServerUrlSemantic,
             onSubmitted: (_) => _connectToServer(),
             prefixIcon: Icon(
               Platform.isIOS ? CupertinoIcons.globe : Icons.public,
@@ -533,7 +533,7 @@ class _ServerConnectionPageState extends ConsumerState<ServerConnectionPage> {
                           crossAxisAlignment: CrossAxisAlignment.start,
                           children: [
                             Text(
-                              'Advanced Settings',
+                              AppLocalizations.of(context)!.advancedSettings,
                               style: context.conduitTheme.bodyMedium?.copyWith(
                                 fontWeight: FontWeight.w600,
                               ),
@@ -582,7 +582,7 @@ class _ServerConnectionPageState extends ConsumerState<ServerConnectionPage> {
           mainAxisAlignment: MainAxisAlignment.spaceBetween,
           children: [
             Text(
-              'Custom Headers',
+              AppLocalizations.of(context)!.customHeaders,
               style: context.conduitTheme.bodyMedium?.copyWith(
                 fontWeight: FontWeight.w600,
               ),
@@ -600,7 +600,7 @@ class _ServerConnectionPageState extends ConsumerState<ServerConnectionPage> {
         ),
         const SizedBox(height: Spacing.xs),
         Text(
-          'Add custom HTTP headers for authentication, API keys, or special server requirements.',
+          AppLocalizations.of(context)!.customHeadersDescription,
           style: context.conduitTheme.bodySmall?.copyWith(
             color: context.conduitTheme.textSecondary,
           ),
@@ -787,13 +787,13 @@ class _ServerConnectionPageState extends ConsumerState<ServerConnectionPage> {
     
     // Check for duplicates
     if (_customHeaders.containsKey(key)) {
-      _showHeaderError('Header "$key" already exists. Remove it first to update.');
+      _showHeaderError(AppLocalizations.of(context)!.headerAlreadyExists(key));
       return;
     }
     
     // Check header count limit
     if (_customHeaders.length >= 10) {
-      _showHeaderError('Maximum of 10 custom headers allowed. Remove some to add more.');
+      _showHeaderError(AppLocalizations.of(context)!.maxHeadersReachedDetail);
       return;
     }
     
@@ -807,12 +807,12 @@ class _ServerConnectionPageState extends ConsumerState<ServerConnectionPage> {
 
   String? _validateHeaderKey(String key) {
     // RFC 7230 compliant header name validation
-    if (key.isEmpty) return 'Header name cannot be empty';
+    if (key.isEmpty) return AppLocalizations.of(context)!.headerNameEmpty;
-    if (key.length > 64) return 'Header name too long (max 64 characters)';
+    if (key.length > 64) return AppLocalizations.of(context)!.headerNameTooLong;
     
     // Check for valid characters (RFC 7230: token characters)
     if (!RegExp(r'^[a-zA-Z0-9!#$&\-^_`|~]+$').hasMatch(key)) {
-      return 'Invalid header name. Use only letters, numbers, and these symbols: !#\$&-^_`|~';
+      return AppLocalizations.of(context)!.headerNameInvalidChars;
     }
     
     // Check for reserved headers that should not be overridden
@@ -824,22 +824,22 @@ class _ServerConnectionPageState extends ConsumerState<ServerConnectionPage> {
     };
     
     if (reservedHeaders.contains(lowerKey)) {
-      return 'Cannot override reserved header "$key"';
+      return AppLocalizations.of(context)!.headerNameReserved(key);
     }
     
     return null;
   }
 
   String? _validateHeaderValue(String value) {
-    if (value.isEmpty) return 'Header value cannot be empty';
+    if (value.isEmpty) return AppLocalizations.of(context)!.headerValueEmpty;
-    if (value.length > 1024) return 'Header value too long (max 1024 characters)';
+    if (value.length > 1024) return AppLocalizations.of(context)!.headerValueTooLong;
     
     // Check for valid characters (no control characters except tab)
     for (int i = 0; i < value.length; i++) {
       final char = value.codeUnitAt(i);
       // Allow printable ASCII (32-126) and tab (9)
       if (char != 9 && (char < 32 || char > 126)) {
-        return 'Header value contains invalid characters. Use only printable ASCII.';
+        return AppLocalizations.of(context)!.headerValueInvalidChars;
       }
     }
     
@@ -847,7 +847,7 @@ class _ServerConnectionPageState extends ConsumerState<ServerConnectionPage> {
     if (value.toLowerCase().contains('script') ||
         value.contains('<') ||
         value.contains('>')) {
-      return 'Header value appears to contain potentially unsafe content';
+      return AppLocalizations.of(context)!.headerValueUnsafe;
     }
     
     return null;

lib/l10n/app_localizations.dart

@@ -411,12 +411,36 @@ abstract class AppLocalizations {
   /// **'Password'**
   String get password;
 
+  /// No description provided for @usernameOrEmailHint.
+  ///
+  /// In en, this message translates to:
+  /// **'Enter your username or email'**
+  String get usernameOrEmailHint;
+
+  /// No description provided for @passwordHint.
+  ///
+  /// In en, this message translates to:
+  /// **'Enter your password'**
+  String get passwordHint;
+
   /// No description provided for @signInWithApiKey.
   ///
   /// In en, this message translates to:
   /// **'Sign in with API Key'**
   String get signInWithApiKey;
 
+  /// No description provided for @enterApiKey.
+  ///
+  /// In en, this message translates to:
+  /// **'Enter your API key'**
+  String get enterApiKey;
+
+  /// No description provided for @signingIn.
+  ///
+  /// In en, this message translates to:
+  /// **'Signing in...'**
+  String get signingIn;
+
   /// No description provided for @connectToServer.
   ///
   /// In en, this message translates to:
@@ -483,6 +507,84 @@ abstract class AppLocalizations {
   /// **'Remove header'**
   String get removeHeader;
 
+  /// No description provided for @advancedSettings.
+  ///
+  /// In en, this message translates to:
+  /// **'Advanced Settings'**
+  String get advancedSettings;
+
+  /// No description provided for @customHeaders.
+  ///
+  /// In en, this message translates to:
+  /// **'Custom Headers'**
+  String get customHeaders;
+
+  /// No description provided for @customHeadersDescription.
+  ///
+  /// In en, this message translates to:
+  /// **'Add custom HTTP headers for authentication, API keys, or special server requirements.'**
+  String get customHeadersDescription;
+
+  /// No description provided for @headerNameEmpty.
+  ///
+  /// In en, this message translates to:
+  /// **'Header name cannot be empty'**
+  String get headerNameEmpty;
+
+  /// No description provided for @headerNameTooLong.
+  ///
+  /// In en, this message translates to:
+  /// **'Header name too long (max 64 characters)'**
+  String get headerNameTooLong;
+
+  /// No description provided for @headerNameInvalidChars.
+  ///
+  /// In en, this message translates to:
+  /// **'Invalid header name. Use only letters, numbers, and these symbols: !#\$&-^_`|~'**
+  String get headerNameInvalidChars;
+
+  /// No description provided for @headerNameReserved.
+  ///
+  /// In en, this message translates to:
+  /// **'Cannot override reserved header "{key}"'**
+  String headerNameReserved(String key);
+
+  /// No description provided for @headerValueEmpty.
+  ///
+  /// In en, this message translates to:
+  /// **'Header value cannot be empty'**
+  String get headerValueEmpty;
+
+  /// No description provided for @headerValueTooLong.
+  ///
+  /// In en, this message translates to:
+  /// **'Header value too long (max 1024 characters)'**
+  String get headerValueTooLong;
+
+  /// No description provided for @headerValueInvalidChars.
+  ///
+  /// In en, this message translates to:
+  /// **'Header value contains invalid characters. Use only printable ASCII.'**
+  String get headerValueInvalidChars;
+
+  /// No description provided for @headerValueUnsafe.
+  ///
+  /// In en, this message translates to:
+  /// **'Header value appears to contain potentially unsafe content'**
+  String get headerValueUnsafe;
+
+  /// No description provided for @headerAlreadyExists.
+  ///
+  /// In en, this message translates to:
+  /// **'Header "{key}" already exists. Remove it first to update.'**
+  String headerAlreadyExists(String key);
+
+  /// No description provided for @maxHeadersReachedDetail.
+  ///
+  /// In en, this message translates to:
+  /// **'Maximum of 10 custom headers allowed. Remove some to add more.'**
+  String get maxHeadersReachedDetail;
+  
   /// No description provided for @connecting.
   ///
   /// In en, this message translates to:

lib/l10n/app_localizations_de.dart

@@ -177,9 +177,21 @@ class AppLocalizationsDe extends AppLocalizations {
   @override
   String get password => 'Passwort';
 
+  @override
+  String get usernameOrEmailHint => 'Gib deinen Benutzernamen oder deine E‑Mail ein';
+
+  @override
+  String get passwordHint => 'Gib dein Passwort ein';
+
   @override
   String get signInWithApiKey => 'Mit API-Schlüssel anmelden';
 
+  @override
+  String get enterApiKey => 'Gib deinen API-Schlüssel ein';
+  
+  @override
+  String get signingIn => 'Anmeldung läuft...';
+
   @override
   String get connectToServer => 'Mit Server verbinden';
 
@@ -213,6 +225,51 @@ class AppLocalizationsDe extends AppLocalizations {
   @override
   String get removeHeader => 'Header entfernen';
 
+  @override
+  String get advancedSettings => 'Erweiterte Einstellungen';
+
+  @override
+  String get customHeaders => 'Benutzerdefinierte Header';
+
+  @override
+  String get customHeadersDescription =>
+      'Füge benutzerdefinierte HTTP-Header für Authentifizierung, API-Schlüssel oder spezielle Serveranforderungen hinzu.';
+
+  @override
+  String get headerNameEmpty => 'Header-Name darf nicht leer sein';
+
+  @override
+  String get headerNameTooLong => 'Header-Name zu lang (max. 64 Zeichen)';
+
+  @override
+  String get headerNameInvalidChars =>
+      'Ungültiger Header-Name. Verwende nur Buchstaben, Zahlen und diese Symbole: !#\$&-^_`|~';
+
+  @override
+  String headerNameReserved(String key) => 'Reservierter Header "$key" kann nicht überschrieben werden';
+
+  @override
+  String get headerValueEmpty => 'Header-Wert darf nicht leer sein';
+
+  @override
+  String get headerValueTooLong => 'Header-Wert zu lang (max. 1024 Zeichen)';
+
+  @override
+  String get headerValueInvalidChars =>
+      'Header-Wert enthält ungültige Zeichen. Verwende nur druckbare ASCII-Zeichen.';
+
+  @override
+  String get headerValueUnsafe =>
+      'Header-Wert scheint potenziell unsicheren Inhalt zu enthalten';
+
+  @override
+  String headerAlreadyExists(String key) =>
+      'Header "$key" existiert bereits. Entferne ihn zuerst, um ihn zu aktualisieren.';
+
+  @override
+  String get maxHeadersReachedDetail =>
+      'Maximal 10 benutzerdefinierte Header erlaubt. Entferne einige, um weitere hinzuzufügen.';
+
   @override
   String get connecting => 'Verbindung wird hergestellt...';
 

lib/l10n/app_localizations_en.dart

@@ -177,9 +177,21 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get password => 'Password';
 
+  @override
+  String get usernameOrEmailHint => 'Enter your username or email';
+
+  @override
+  String get passwordHint => 'Enter your password';
+
   @override
   String get signInWithApiKey => 'Sign in with API Key';
 
+  @override
+  String get enterApiKey => 'Enter your API key';
+  
+  @override
+  String get signingIn => 'Signing in...';
+
   @override
   String get connectToServer => 'Connect to Server';
 
@@ -213,6 +225,51 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get removeHeader => 'Remove header';
 
+  @override
+  String get advancedSettings => 'Advanced Settings';
+
+  @override
+  String get customHeaders => 'Custom Headers';
+
+  @override
+  String get customHeadersDescription =>
+      'Add custom HTTP headers for authentication, API keys, or special server requirements.';
+
+  @override
+  String get headerNameEmpty => 'Header name cannot be empty';
+
+  @override
+  String get headerNameTooLong => 'Header name too long (max 64 characters)';
+
+  @override
+  String get headerNameInvalidChars =>
+      'Invalid header name. Use only letters, numbers, and these symbols: !#\$&-^_`|~';
+
+  @override
+  String headerNameReserved(String key) => 'Cannot override reserved header "$key"';
+
+  @override
+  String get headerValueEmpty => 'Header value cannot be empty';
+
+  @override
+  String get headerValueTooLong => 'Header value too long (max 1024 characters)';
+
+  @override
+  String get headerValueInvalidChars =>
+      'Header value contains invalid characters. Use only printable ASCII.';
+
+  @override
+  String get headerValueUnsafe =>
+      'Header value appears to contain potentially unsafe content';
+
+  @override
+  String headerAlreadyExists(String key) =>
+      'Header "$key" already exists. Remove it first to update.';
+
+  @override
+  String get maxHeadersReachedDetail =>
+      'Maximum of 10 custom headers allowed. Remove some to add more.';
+
   @override
   String get connecting => 'Connecting...';
 

lib/l10n/app_localizations_fr.dart

@@ -177,9 +177,21 @@ class AppLocalizationsFr extends AppLocalizations {
   @override
   String get password => 'Mot de passe';
 
+  @override
+  String get usernameOrEmailHint => 'Entrez votre nom d\'utilisateur ou e‑mail';
+
+  @override
+  String get passwordHint => 'Entrez votre mot de passe';
+
   @override
   String get signInWithApiKey => 'Se connecter avec une clé API';
 
+  @override
+  String get enterApiKey => 'Entrez votre clé API';
+  
+  @override
+  String get signingIn => 'Connexion en cours...';
+
   @override
   String get connectToServer => 'Se connecter au serveur';
 
@@ -213,6 +225,53 @@ class AppLocalizationsFr extends AppLocalizations {
   @override
   String get removeHeader => 'Supprimer l\'en-tête';
 
+  @override
+  String get advancedSettings => 'Paramètres avancés';
+
+  @override
+  String get customHeaders => 'En-têtes personnalisés';
+
+  @override
+  String get customHeadersDescription =>
+      'Ajoutez des en-têtes HTTP personnalisés pour l\'authentification, les clés API ou des exigences spécifiques du serveur.';
+
+  @override
+  String get headerNameEmpty => 'Le nom de l\'en-tête ne peut pas être vide';
+
+  @override
+  String get headerNameTooLong => 'Nom d\'en-tête trop long (max 64 caractères)';
+
+  @override
+  String get headerNameInvalidChars =>
+      'Nom d\'en-tête invalide. Utilisez uniquement des lettres, des chiffres et ces symboles : !#\$&-^_`|~';
+
+  @override
+  String headerNameReserved(String key) =>
+      'Impossible d\'écraser l\'en-tête réservé « $key »';
+
+  @override
+  String get headerValueEmpty => 'La valeur de l\'en-tête ne peut pas être vide';
+
+  @override
+  String get headerValueTooLong =>
+      'Valeur d\'en-tête trop longue (max 1024 caractères)';
+
+  @override
+  String get headerValueInvalidChars =>
+      'La valeur de l\'en-tête contient des caractères invalides. Utilisez uniquement des caractères ASCII imprimables.';
+
+  @override
+  String get headerValueUnsafe =>
+      'La valeur de l\'en-tête semble contenir du contenu potentiellement dangereux';
+
+  @override
+  String headerAlreadyExists(String key) =>
+      'L\'en-tête « $key » existe déjà. Supprimez-le d\'abord pour le modifier.';
+
+  @override
+  String get maxHeadersReachedDetail =>
+      'Maximum 10 en-têtes personnalisés. Supprimez-en pour en ajouter.';
+
   @override
   String get connecting => 'Connexion en cours...';
 

lib/l10n/app_localizations_it.dart

@@ -177,9 +177,21 @@ class AppLocalizationsIt extends AppLocalizations {
   @override
   String get password => 'Password';
 
+  @override
+  String get usernameOrEmailHint => 'Inserisci il tuo username o e‑mail';
+
+  @override
+  String get passwordHint => 'Inserisci la password';
+
   @override
   String get signInWithApiKey => 'Accedi con chiave API';
 
+  @override
+  String get enterApiKey => 'Inserisci la tua chiave API';
+  
+  @override
+  String get signingIn => 'Accesso in corso...';
+
   @override
   String get connectToServer => 'Connetti al server';
 
@@ -213,6 +225,52 @@ class AppLocalizationsIt extends AppLocalizations {
   @override
   String get removeHeader => 'Rimuovi header';
 
+  @override
+  String get advancedSettings => 'Impostazioni avanzate';
+
+  @override
+  String get customHeaders => 'Header personalizzati';
+
+  @override
+  String get customHeadersDescription =>
+      'Aggiungi header HTTP personalizzati per autenticazione, chiavi API o requisiti speciali del server.';
+
+  @override
+  String get headerNameEmpty => 'Il nome header non può essere vuoto';
+
+  @override
+  String get headerNameTooLong => 'Nome header troppo lungo (max 64 caratteri)';
+
+  @override
+  String get headerNameInvalidChars =>
+      'Nome header non valido. Usa solo lettere, numeri e questi simboli: !#\$&-^_`|~';
+
+  @override
+  String headerNameReserved(String key) =>
+      'Impossibile sovrascrivere l\'header riservato "$key"';
+
+  @override
+  String get headerValueEmpty => 'Il valore header non può essere vuoto';
+
+  @override
+  String get headerValueTooLong => 'Valore header troppo lungo (max 1024 caratteri)';
+
+  @override
+  String get headerValueInvalidChars =>
+      'Il valore header contiene caratteri non validi. Usa solo ASCII stampabile.';
+
+  @override
+  String get headerValueUnsafe =>
+      'Il valore header sembra contenere contenuto potenzialmente non sicuro';
+
+  @override
+  String headerAlreadyExists(String key) =>
+      'L\'header "$key" esiste già. Rimuovilo prima per aggiornarlo.';
+
+  @override
+  String get maxHeadersReachedDetail =>
+      'Massimo 10 header personalizzati consentiti. Rimuovine alcuni per aggiungerne altri.';
+
   @override
   String get connecting => 'Connessione in corso...';