refactor: new chat page text

lib/l10n/app_de.arb

@@ -90,7 +90,7 @@
   "skip": "Überspringen",
   "next": "Weiter",
   "done": "Fertig",
-  "onboardStartTitle": "Unterhaltung starten",
+  "onboardStartTitle": "Hallo, {username}",
   "onboardStartSubtitle": "Wähle ein Modell und tippe los. Tippe jederzeit auf Neuer Chat.",
   "onboardStartBullet1": "Modellname oben antippen, um zu wechseln",
   "onboardStartBullet2": "Mit Neuer Chat den Kontext zurücksetzen",

lib/l10n/app_en.arb

@@ -202,8 +202,8 @@
   "@next": {"description": "Onboarding: go to the next step."},
   "done": "Done",
   "@done": {"description": "Onboarding: finish the flow."},
-  "onboardStartTitle": "Start a conversation",
-  "@onboardStartTitle": {"description": "Onboarding card: start chatting title."},
+  "onboardStartTitle": "Hello, {username}",
+  "@onboardStartTitle": {"description": "Onboarding card: start chatting title.", "placeholders": {"username": {"type": "String", "example": "Alex"}}},
   "onboardStartSubtitle": "Choose a model, then type below to begin. Tap New Chat anytime.",
   "@onboardStartSubtitle": {"description": "Onboarding card: brief guidance to begin a chat."},
   "onboardStartBullet1": "Tap the model name in the top bar to switch models",

lib/l10n/app_fr.arb

@@ -90,7 +90,7 @@
   "skip": "Ignorer",
   "next": "Suivant",
   "done": "Terminé",
-  "onboardStartTitle": "Commencer une conversation",
+  "onboardStartTitle": "Bonjour, {username}",
   "onboardStartSubtitle": "Choisissez un modèle puis commencez à écrire. Touchez Nouveau chat à tout moment.",
   "onboardStartBullet1": "Touchez le nom du modèle en haut pour changer",
   "onboardStartBullet2": "Utilisez Nouveau chat pour réinitialiser le contexte",

lib/l10n/app_it.arb

@@ -90,7 +90,7 @@
   "skip": "Salta",
   "next": "Avanti",
   "done": "Fatto",
-  "onboardStartTitle": "Inizia una conversazione",
+  "onboardStartTitle": "Ciao, {username}",
   "onboardStartSubtitle": "Scegli un modello e inizia a scrivere. Tocca Nuova chat in qualsiasi momento.",
   "onboardStartBullet1": "Tocca il nome del modello in alto per cambiare",
   "onboardStartBullet2": "Usa Nuova chat per azzerare il contesto",

lib/l10n/app_localizations.dart

@@ -651,8 +651,8 @@ abstract class AppLocalizations {
   /// Onboarding card: start chatting title.
   ///
   /// In en, this message translates to:
-  /// **'Start a conversation'**
-  String get onboardStartTitle;
+  /// **'Hello, {username}'**
+  String onboardStartTitle(String username);
 
   /// Onboarding card: brief guidance to begin a chat.
   ///

lib/l10n/app_localizations_de.dart

@@ -314,7 +314,9 @@ class AppLocalizationsDe extends AppLocalizations {
   String get done => 'Fertig';
 
   @override
-  String get onboardStartTitle => 'Unterhaltung starten';
+  String onboardStartTitle(String username) {
+    return 'Hallo, $username';
+  }
 
   @override
   String get onboardStartSubtitle =>

lib/l10n/app_localizations_en.dart

@@ -310,7 +310,9 @@ class AppLocalizationsEn extends AppLocalizations {
   String get done => 'Done';
 
   @override
-  String get onboardStartTitle => 'Start a conversation';
+  String onboardStartTitle(String username) {
+    return 'Hello, $username';
+  }
 
   @override
   String get onboardStartSubtitle =>

lib/l10n/app_localizations_fr.dart

@@ -315,7 +315,9 @@ class AppLocalizationsFr extends AppLocalizations {
   String get done => 'Terminé';
 
   @override
-  String get onboardStartTitle => 'Commencer une conversation';
+  String onboardStartTitle(String username) {
+    return 'Bonjour, $username';
+  }
 
   @override
   String get onboardStartSubtitle =>

lib/l10n/app_localizations_it.dart

@@ -310,7 +310,9 @@ class AppLocalizationsIt extends AppLocalizations {
   String get done => 'Fatto';
 
   @override
-  String get onboardStartTitle => 'Inizia una conversazione';
+  String onboardStartTitle(String username) {
+    return 'Ciao, $username';
+  }
 
   @override
   String get onboardStartSubtitle =>