diff --git a/priv/i18n/locales/es.json b/priv/i18n/locales/es.json
index c1d5c10..710e2b1 100644
--- a/priv/i18n/locales/es.json
+++ b/priv/i18n/locales/es.json
@@ -44,5 +44,122 @@
   "render.taxonomy.ariaLabel": "Taxonomía",
   "render.video.vimeoTitle": "Vídeo de Vimeo",
   "render.video.youtubeTitle": "Vídeo de YouTube",
-  "sidebar.chat.yesterday": "Ayer"
+  "sidebar.chat.yesterday": "Ayer",
+  "%{count} media": "%{count} medios",
+  "%{count} posts": "%{count} publicaciones",
+  "2 langs": "2 idiomas",
+  "AI Assistant": "Asistente de IA",
+  "Across draft, published, and archive": "Entre borradores, publicaciones y archivo",
+  "Activated %{name}": "%{name} activado",
+  "Archived": "Archivado",
+  "Archived Jan 12, 2026": "Archivado el 12 ene 2026",
+  "Assistant": "Asistente",
+  "Automatic AI actions stay gated by airplane mode.": "Las acciones automáticas de IA siguen bloqueadas por el modo avión.",
+  "Automation can boot the shell in a separate process and capture screenshots": "La automatización puede iniciar el shell en un proceso separado y capturar pantallas",
+  "Blog": "Blog",
+  "Calendar regeneration is not wired yet, but the base shell now surfaces the command and keeps the Output tab selectable.": "La regeneración del calendario aún no está conectada, pero el shell base ahora muestra el comando y mantiene seleccionable la pestaña Salida.",
+  "Chat": "Chat",
+  "Close %{title}": "Cerrar %{title}",
+  "Close tab": "Cerrar pestaña",
+  "Command completed": "Comando completado",
+  "Command failed": "El comando falló",
+  "Command failed with HTTP %{status}": "El comando falló con HTTP %{status}",
+  "Create Project": "Crear proyecto",
+  "Dashboard": "Panel",
+  "Desktop Runtime": "Entorno de escritorio",
+  "Desktop workbench content routed through the Elixir shell.": "El contenido del área de trabajo de escritorio se enruta a través del shell de Elixir.",
+  "Desktop workbench shell wired through Elixir": "Shell del área de trabajo de escritorio conectado mediante Elixir",
+  "Diff Reports": "Informes de diff",
+  "Diffs": "Diferencias",
+  "Documentation": "Documentación",
+  "Drafts": "Borradores",
+  "Drafts, published entries, and archive history": "Borradores, entradas publicadas e historial de archivo",
+  "Edit": "Editar",
+  "Extra": "Extra",
+  "Extra Pages": "Páginas extra",
+  "File": "Archivo",
+  "Filesystem Sync": "Sincronización del sistema de archivos",
+  "Fill Missing Translations": "Completar traducciones faltantes",
+  "Find Duplicates": "Buscar duplicados",
+  "Git": "Git",
+  "Git Log": "Registro Git",
+  "Help": "Ayuda",
+  "Idle": "Inactivo",
+  "Images and documents indexed": "Imágenes y documentos indexados",
+  "Import": "Importar",
+  "Launch plan": "Plan de lanzamiento",
+  "Main Language": "Idioma principal",
+  "Media": "Medios",
+  "Menu": "Menú",
+  "Metadata": "Metadatos",
+  "Metadata Diff": "Diff de metadatos",
+  "Metadata flush, diffing, and rebuild hooks still need editor wiring.": "El guardado de metadatos, el diff y los hooks de reconstrucción todavía necesitan la conexión del editor.",
+  "Missing": "Faltante",
+  "Missing Pages": "Páginas faltantes",
+  "Missing Translations": "Traducciones faltantes",
+  "Mode": "Modo",
+  "Native menu groups mirror the old application shell": "Los grupos de menús nativos reflejan el antiguo shell de la aplicación",
+  "New Project": "Nuevo proyecto",
+  "New project name": "Nombre del nuevo proyecto",
+  "No active background tasks": "No hay tareas activas en segundo plano",
+  "No background tasks running": "No hay tareas en segundo plano en ejecución",
+  "No items": "No hay elementos",
+  "No missing pages": "No faltan páginas",
+  "No orphan translation files": "No hay archivos de traducción huérfanos",
+  "No shell output yet": "Aún no hay salida del shell",
+  "Offline": "Sin conexión",
+  "Offline Gate": "Bloqueo sin conexión",
+  "Open": "Abrir",
+  "Open Data Folder": "Abrir carpeta de datos",
+  "Open in Browser": "Abrir en el navegador",
+  "Opened URL": "URL abierta",
+  "Orphan Files": "Archivos huérfanos",
+  "Orphan Reports": "Informes de huérfanos",
+  "Orphans": "Huérfanos",
+  "Output": "Salida",
+  "Pages": "Páginas",
+  "Pairs": "Pares",
+  "Post": "Publicación",
+  "Posts": "Publicaciones",
+  "Preview": "Vista previa",
+  "Projects": "Proyectos",
+  "Published": "Publicado",
+  "Published Feb 10, 2026": "Publicado el 10 feb 2026",
+  "Queued": "En cola",
+  "Regenerate Calendar": "Regenerar calendario",
+  "Retrospective": "Retrospectiva",
+  "Roadmap": "Hoja de ruta",
+  "Running": "En ejecución",
+  "Script": "Script",
+  "Scripts": "Scripts",
+  "Select Project": "Seleccionar proyecto",
+  "Settings": "Configuración",
+  "Sidebar, tabs, panel, and assistant panes are inspectable DOM regions": "La barra lateral, las pestañas, el panel y el asistente son regiones DOM inspeccionables",
+  "Site Validation": "Validación del sitio",
+  "Source Control": "Control de código fuente",
+  "Stale": "Desactualizado",
+  "Stale Pages": "Páginas desactualizadas",
+  "Status": "Estado",
+  "Style": "Estilo",
+  "Switch project": "Cambiar proyecto",
+  "Tags": "Etiquetas",
+  "Tasks": "Tareas",
+  "Template": "Plantilla",
+  "Templates": "Plantillas",
+  "The app window is now served from the Elixir shell renderer.": "La ventana de la aplicación ahora se sirve desde el renderizador shell de Elixir.",
+  "The shared lower panel is available for tasks, output, git details, and editor-specific diagnostics.": "El panel inferior compartido está disponible para tareas, salida, detalles de Git y diagnósticos específicos del editor.",
+  "Toggle assistant": "Alternar asistente",
+  "Toggle offline mode": "Alternar modo sin conexión",
+  "Toggle panel": "Alternar panel",
+  "Toggle sidebar": "Alternar barra lateral",
+  "Translation fill is not wired yet, but the command is now routed into Output instead of being ignored.": "El completado de traducciones aún no está conectado, pero el comando ahora se enruta a Salida en lugar de ignorarse.",
+  "Translations": "Traducciones",
+  "UI": "UI",
+  "Updated today": "Actualizado hoy",
+  "Updated yesterday": "Actualizado ayer",
+  "Upload Site": "Subir sitio",
+  "View": "Ver",
+  "Welcome to bDS2": "Bienvenido a bDS2",
+  "Workbench Notes": "Notas del área de trabajo",
+  "Working tree integration is not wired yet in the shell, but the tab is selectable and ready for command output.": "La integración del árbol de trabajo aún no está conectada en el shell, pero la pestaña es seleccionable y está lista para la salida de comandos."
 }
\ No newline at end of file
diff --git a/priv/i18n/locales/fr.json b/priv/i18n/locales/fr.json
index 44f8b43..d8824f8 100644
--- a/priv/i18n/locales/fr.json
+++ b/priv/i18n/locales/fr.json
@@ -44,5 +44,122 @@
   "render.taxonomy.ariaLabel": "Taxonomie",
   "render.video.vimeoTitle": "Vidéo Vimeo",
   "render.video.youtubeTitle": "Vidéo YouTube",
-  "sidebar.chat.yesterday": "Hier"
+  "sidebar.chat.yesterday": "Hier",
+  "%{count} media": "%{count} médias",
+  "%{count} posts": "%{count} articles",
+  "2 langs": "2 langues",
+  "AI Assistant": "Assistant IA",
+  "Across draft, published, and archive": "Répartis entre brouillons, publications et archives",
+  "Activated %{name}": "%{name} activé",
+  "Archived": "Archivé",
+  "Archived Jan 12, 2026": "Archivé le 12 janv. 2026",
+  "Assistant": "Assistant",
+  "Automatic AI actions stay gated by airplane mode.": "Les actions IA automatiques restent bloquées par le mode avion.",
+  "Automation can boot the shell in a separate process and capture screenshots": "L’automatisation peut démarrer le shell dans un processus séparé et capturer des captures d’écran",
+  "Blog": "Blog",
+  "Calendar regeneration is not wired yet, but the base shell now surfaces the command and keeps the Output tab selectable.": "La régénération du calendrier n’est pas encore câblée, mais le shell de base expose maintenant la commande et garde l’onglet Sortie sélectionnable.",
+  "Chat": "Chat",
+  "Close %{title}": "Fermer %{title}",
+  "Close tab": "Fermer l’onglet",
+  "Command completed": "Commande terminée",
+  "Command failed": "La commande a échoué",
+  "Command failed with HTTP %{status}": "La commande a échoué avec HTTP %{status}",
+  "Create Project": "Créer un projet",
+  "Dashboard": "Tableau de bord",
+  "Desktop Runtime": "Exécution bureau",
+  "Desktop workbench content routed through the Elixir shell.": "Le contenu de l’atelier bureau est acheminé via le shell Elixir.",
+  "Desktop workbench shell wired through Elixir": "Shell d’atelier bureau câblé via Elixir",
+  "Diff Reports": "Rapports de diff",
+  "Diffs": "Différences",
+  "Documentation": "Documentation",
+  "Drafts": "Brouillons",
+  "Drafts, published entries, and archive history": "Brouillons, éléments publiés et historique d’archives",
+  "Edit": "Édition",
+  "Extra": "Supplémentaire",
+  "Extra Pages": "Pages supplémentaires",
+  "File": "Fichier",
+  "Filesystem Sync": "Synchronisation du système de fichiers",
+  "Fill Missing Translations": "Compléter les traductions manquantes",
+  "Find Duplicates": "Trouver les doublons",
+  "Git": "Git",
+  "Git Log": "Journal Git",
+  "Help": "Aide",
+  "Idle": "Inactif",
+  "Images and documents indexed": "Images et documents indexés",
+  "Import": "Importer",
+  "Launch plan": "Plan de lancement",
+  "Main Language": "Langue principale",
+  "Media": "Médias",
+  "Menu": "Menu",
+  "Metadata": "Métadonnées",
+  "Metadata Diff": "Diff des métadonnées",
+  "Metadata flush, diffing, and rebuild hooks still need editor wiring.": "L’écriture des métadonnées, le diff et les hooks de reconstruction ont encore besoin du câblage de l’éditeur.",
+  "Missing": "Manquant",
+  "Missing Pages": "Pages manquantes",
+  "Missing Translations": "Traductions manquantes",
+  "Mode": "Mode",
+  "Native menu groups mirror the old application shell": "Les groupes de menus natifs reflètent l’ancien shell de l’application",
+  "New Project": "Nouveau projet",
+  "New project name": "Nom du nouveau projet",
+  "No active background tasks": "Aucune tâche d’arrière-plan active",
+  "No background tasks running": "Aucune tâche d’arrière-plan en cours",
+  "No items": "Aucun élément",
+  "No missing pages": "Aucune page manquante",
+  "No orphan translation files": "Aucun fichier de traduction orphelin",
+  "No shell output yet": "Aucune sortie du shell pour l’instant",
+  "Offline": "Hors ligne",
+  "Offline Gate": "Verrou hors ligne",
+  "Open": "Ouvrir",
+  "Open Data Folder": "Ouvrir le dossier de données",
+  "Open in Browser": "Ouvrir dans le navigateur",
+  "Opened URL": "URL ouverte",
+  "Orphan Files": "Fichiers orphelins",
+  "Orphan Reports": "Rapports d’orphelins",
+  "Orphans": "Orphelins",
+  "Output": "Sortie",
+  "Pages": "Pages",
+  "Pairs": "Paires",
+  "Post": "Article",
+  "Posts": "Articles",
+  "Preview": "Aperçu",
+  "Projects": "Projets",
+  "Published": "Publié",
+  "Published Feb 10, 2026": "Publié le 10 févr. 2026",
+  "Queued": "En file",
+  "Regenerate Calendar": "Régénérer le calendrier",
+  "Retrospective": "Rétrospective",
+  "Roadmap": "Feuille de route",
+  "Running": "En cours",
+  "Script": "Script",
+  "Scripts": "Scripts",
+  "Select Project": "Sélectionner un projet",
+  "Settings": "Paramètres",
+  "Sidebar, tabs, panel, and assistant panes are inspectable DOM regions": "La barre latérale, les onglets, le panneau et l’assistant sont des régions DOM inspectables",
+  "Site Validation": "Validation du site",
+  "Source Control": "Contrôle de source",
+  "Stale": "Obsolète",
+  "Stale Pages": "Pages obsolètes",
+  "Status": "Statut",
+  "Style": "Style",
+  "Switch project": "Changer de projet",
+  "Tags": "Tags",
+  "Tasks": "Tâches",
+  "Template": "Modèle",
+  "Templates": "Modèles",
+  "The app window is now served from the Elixir shell renderer.": "La fenêtre de l’application est maintenant servie par le moteur de rendu shell Elixir.",
+  "The shared lower panel is available for tasks, output, git details, and editor-specific diagnostics.": "Le panneau inférieur partagé est disponible pour les tâches, la sortie, les détails Git et les diagnostics spécifiques à l’éditeur.",
+  "Toggle assistant": "Afficher ou masquer l’assistant",
+  "Toggle offline mode": "Basculer le mode hors ligne",
+  "Toggle panel": "Afficher ou masquer le panneau",
+  "Toggle sidebar": "Afficher ou masquer la barre latérale",
+  "Translation fill is not wired yet, but the command is now routed into Output instead of being ignored.": "Le remplissage des traductions n’est pas encore câblé, mais la commande est maintenant envoyée vers Sortie au lieu d’être ignorée.",
+  "Translations": "Traductions",
+  "UI": "UI",
+  "Updated today": "Mis à jour aujourd’hui",
+  "Updated yesterday": "Mis à jour hier",
+  "Upload Site": "Téléverser le site",
+  "View": "Affichage",
+  "Welcome to bDS2": "Bienvenue dans bDS2",
+  "Workbench Notes": "Notes d’atelier",
+  "Working tree integration is not wired yet in the shell, but the tab is selectable and ready for command output.": "L’intégration de l’arbre de travail n’est pas encore câblée dans le shell, mais l’onglet est sélectionnable et prêt pour la sortie des commandes."
 }
\ No newline at end of file
diff --git a/priv/i18n/locales/it.json b/priv/i18n/locales/it.json
index 23a70d3..aa0387c 100644
--- a/priv/i18n/locales/it.json
+++ b/priv/i18n/locales/it.json
@@ -44,5 +44,122 @@
   "render.taxonomy.ariaLabel": "Tassonomia",
   "render.video.vimeoTitle": "Video Vimeo",
   "render.video.youtubeTitle": "Video YouTube",
-  "sidebar.chat.yesterday": "Ieri"
+  "sidebar.chat.yesterday": "Ieri",
+  "%{count} media": "%{count} media",
+  "%{count} posts": "%{count} post",
+  "2 langs": "2 lingue",
+  "AI Assistant": "Assistente IA",
+  "Across draft, published, and archive": "Tra bozze, pubblicati e archivio",
+  "Activated %{name}": "%{name} attivato",
+  "Archived": "Archiviato",
+  "Archived Jan 12, 2026": "Archiviato il 12 gen 2026",
+  "Assistant": "Assistente",
+  "Automatic AI actions stay gated by airplane mode.": "Le azioni IA automatiche restano bloccate dalla modalità aereo.",
+  "Automation can boot the shell in a separate process and capture screenshots": "L’automazione può avviare la shell in un processo separato e catturare schermate",
+  "Blog": "Blog",
+  "Calendar regeneration is not wired yet, but the base shell now surfaces the command and keeps the Output tab selectable.": "La rigenerazione del calendario non è ancora collegata, ma la shell di base ora espone il comando e mantiene selezionabile la scheda Output.",
+  "Chat": "Chat",
+  "Close %{title}": "Chiudi %{title}",
+  "Close tab": "Chiudi scheda",
+  "Command completed": "Comando completato",
+  "Command failed": "Comando non riuscito",
+  "Command failed with HTTP %{status}": "Comando non riuscito con HTTP %{status}",
+  "Create Project": "Crea progetto",
+  "Dashboard": "Dashboard",
+  "Desktop Runtime": "Runtime desktop",
+  "Desktop workbench content routed through the Elixir shell.": "I contenuti del banco di lavoro desktop vengono instradati tramite la shell Elixir.",
+  "Desktop workbench shell wired through Elixir": "Shell del banco di lavoro desktop collegata tramite Elixir",
+  "Diff Reports": "Report diff",
+  "Diffs": "Differenze",
+  "Documentation": "Documentazione",
+  "Drafts": "Bozze",
+  "Drafts, published entries, and archive history": "Bozze, elementi pubblicati e cronologia archivio",
+  "Edit": "Modifica",
+  "Extra": "Extra",
+  "Extra Pages": "Pagine extra",
+  "File": "File",
+  "Filesystem Sync": "Sincronizzazione filesystem",
+  "Fill Missing Translations": "Completa traduzioni mancanti",
+  "Find Duplicates": "Trova duplicati",
+  "Git": "Git",
+  "Git Log": "Log Git",
+  "Help": "Aiuto",
+  "Idle": "Inattivo",
+  "Images and documents indexed": "Immagini e documenti indicizzati",
+  "Import": "Importa",
+  "Launch plan": "Piano di lancio",
+  "Main Language": "Lingua principale",
+  "Media": "Media",
+  "Menu": "Menu",
+  "Metadata": "Metadati",
+  "Metadata Diff": "Diff metadati",
+  "Metadata flush, diffing, and rebuild hooks still need editor wiring.": "Il salvataggio dei metadati, il diff e gli hook di ricostruzione hanno ancora bisogno del collegamento nell’editor.",
+  "Missing": "Mancante",
+  "Missing Pages": "Pagine mancanti",
+  "Missing Translations": "Traduzioni mancanti",
+  "Mode": "Modalità",
+  "Native menu groups mirror the old application shell": "I gruppi di menu nativi rispecchiano la vecchia shell dell’applicazione",
+  "New Project": "Nuovo progetto",
+  "New project name": "Nome nuovo progetto",
+  "No active background tasks": "Nessuna attività in background attiva",
+  "No background tasks running": "Nessuna attività in background in esecuzione",
+  "No items": "Nessun elemento",
+  "No missing pages": "Nessuna pagina mancante",
+  "No orphan translation files": "Nessun file di traduzione orfano",
+  "No shell output yet": "Nessun output della shell per ora",
+  "Offline": "Offline",
+  "Offline Gate": "Blocco offline",
+  "Open": "Apri",
+  "Open Data Folder": "Apri cartella dati",
+  "Open in Browser": "Apri nel browser",
+  "Opened URL": "URL aperto",
+  "Orphan Files": "File orfani",
+  "Orphan Reports": "Report orfani",
+  "Orphans": "Orfani",
+  "Output": "Output",
+  "Pages": "Pagine",
+  "Pairs": "Coppie",
+  "Post": "Post",
+  "Posts": "Post",
+  "Preview": "Anteprima",
+  "Projects": "Progetti",
+  "Published": "Pubblicato",
+  "Published Feb 10, 2026": "Pubblicato il 10 feb 2026",
+  "Queued": "In coda",
+  "Regenerate Calendar": "Rigenera calendario",
+  "Retrospective": "Retrospettiva",
+  "Roadmap": "Roadmap",
+  "Running": "In esecuzione",
+  "Script": "Script",
+  "Scripts": "Script",
+  "Select Project": "Seleziona progetto",
+  "Settings": "Impostazioni",
+  "Sidebar, tabs, panel, and assistant panes are inspectable DOM regions": "Barra laterale, schede, pannello e assistente sono regioni DOM ispezionabili",
+  "Site Validation": "Validazione sito",
+  "Source Control": "Controllo del codice sorgente",
+  "Stale": "Obsoleto",
+  "Stale Pages": "Pagine obsolete",
+  "Status": "Stato",
+  "Style": "Stile",
+  "Switch project": "Cambia progetto",
+  "Tags": "Tag",
+  "Tasks": "Attività",
+  "Template": "Template",
+  "Templates": "Template",
+  "The app window is now served from the Elixir shell renderer.": "La finestra dell’app è ora servita dal renderer shell Elixir.",
+  "The shared lower panel is available for tasks, output, git details, and editor-specific diagnostics.": "Il pannello inferiore condiviso è disponibile per attività, output, dettagli Git e diagnostica specifica dell’editor.",
+  "Toggle assistant": "Attiva/disattiva assistente",
+  "Toggle offline mode": "Attiva/disattiva modalità offline",
+  "Toggle panel": "Attiva/disattiva pannello",
+  "Toggle sidebar": "Attiva/disattiva barra laterale",
+  "Translation fill is not wired yet, but the command is now routed into Output instead of being ignored.": "Il completamento delle traduzioni non è ancora collegato, ma il comando ora viene instradato in Output invece di essere ignorato.",
+  "Translations": "Traduzioni",
+  "UI": "UI",
+  "Updated today": "Aggiornato oggi",
+  "Updated yesterday": "Aggiornato ieri",
+  "Upload Site": "Carica sito",
+  "View": "Vista",
+  "Welcome to bDS2": "Benvenuto in bDS2",
+  "Workbench Notes": "Note del banco di lavoro",
+  "Working tree integration is not wired yet in the shell, but the tab is selectable and ready for command output.": "L’integrazione del working tree non è ancora collegata nella shell, ma la scheda è selezionabile e pronta per l’output dei comandi."
 }
\ No newline at end of file
diff --git a/test/bds/i18n_test.exs b/test/bds/i18n_test.exs
index c78ad1c..37623b7 100644
--- a/test/bds/i18n_test.exs
+++ b/test/bds/i18n_test.exs
@@ -46,4 +46,39 @@ defmodule BDS.I18nTest do
   test "supported locales do not silently fall back to english per key" do
     assert BDS.I18n.translate("de", "missing.key") == "missing.key"
   end
+
+  test "supported locale files expose the same translation keys" do
+    catalogs = locale_catalogs()
+    english_keys = catalogs["en"] |> Map.keys() |> Enum.sort()
+
+    for {locale, catalog} <- catalogs, locale != "en" do
+      assert Map.keys(catalog) |> Enum.sort() == english_keys
+    end
+  end
+
+  test "supported non-english locales translate representative keys differently from english" do
+    catalogs = locale_catalogs()
+
+    representative_keys = [
+      "activity.posts",
+      "common.settings",
+      "render.calendar.title",
+      "render.notFound.back",
+      "render.search.ariaLabel"
+    ]
+
+    for locale <- ["de", "fr", "it", "es"], key <- representative_keys do
+      assert Map.fetch!(catalogs, locale)[key] != Map.fetch!(catalogs, "en")[key]
+    end
+  end
+
+  defp locale_catalogs do
+    locale_dir = Application.app_dir(:bds, "priv/i18n/locales")
+
+    Path.wildcard(Path.join(locale_dir, "*.json"))
+    |> Enum.sort()
+    |> Enum.into(%{}, fn path ->
+      {Path.basename(path, ".json"), Jason.decode!(File.read!(path))}
+    end)
+  end
 end