Add advanced generation options with Explicit and Smart modes

- Implemented `AdvancedGenerationOptions` component for toggling Explicit and Smart modes with confirmation dialogs.
- Integrated generation options into `GhostWriter`, `DraftCompanion`, and `ShortStoryGenerator`.
- Introduced `ToggleWithConfirmation` component for user interaction with alerts.
- Updated `InputField` to support centered alignment for better layout flexibility.
- Localized Explicit and Smart mode strings in English and French.
- Enhanced content preview logic to filter placeholder text before display.
- Added `autoUpdater` initialization checks and refactored updater setup for improved reliability.

lib/locales/fr.json

@@ -1,4 +1,18 @@
 {
+  "generationOptions": {
+    "explicit": {
+      "label": "Explicite",
+      "alertTitle": "Mode Explicite",
+      "alertMessage": "Ce mode permet de générer du contenu mature. Certaines restrictions demeurent en vigueur. Réservé aux utilisateurs de 18 ans et plus."
+    },
+    "smart": {
+      "label": "Intelligent",
+      "alertTitle": "Mode Intelligent",
+      "alertMessage": "Ce mode utilise les modèles les plus performants (Claude Opus, Grok 4.1) pour une qualité de génération supérieure. Des frais supplémentaires s'appliquent."
+    },
+    "activate": "Activer",
+    "cancel": "Annuler"
+  },
   "loginPage": {
     "title": "Connexion",
     "welcome": "Bienvenue sur ERitors",