diff --git a/update-Nitrov3.sh b/update-Nitrov3.sh
index 09862c79..1db59b9d 100755
--- a/update-Nitrov3.sh
+++ b/update-Nitrov3.sh
@@ -61,6 +61,7 @@ WARNINGS=0
 UPDATED_REPOS=()
 LAST_BACKUP=""
 ROLLBACK_NEEDED=false
+BINARY_BACKUP_DIR=""
 NOTIFY_FAILED=false
 CONFIG_BACKUP_DIR=""
 MAVEN_OPTS="${MAVEN_OPTS:--Xmx2G}"
@@ -117,6 +118,7 @@ HEALTH_INTERVAL="${NITRO_HEALTH_INTERVAL:-5}"
 NITRO_SSL_VERIFY="${NITRO_SSL_VERIFY:-OFF}"
 CONFIG_BACKUP_DIR="${SCRIPT_DIR}/storage/config-backups"
 mkdir -p "$CONFIG_BACKUP_DIR" 2>/dev/null || true
+NITRO_LANG="${NITRO_LANG:-en}"
 
 MYSQL_CRED="-h $DB_HOST -P $DB_PORT -u $DB_USER --ssl-verify-server-cert=${NITRO_SSL_VERIFY}"
 [ -n "$DB_PASS" ] && MYSQL_CRED="$MYSQL_CRED --password=$DB_PASS"
@@ -129,13 +131,540 @@ else
     MYSQL_CLIENT="mariadb"; MYSQL_DUMP="mariadb-dump"
 fi
 
+# =============================================================================
+#  LANGUAGE / INTERNATIONALIZATION
+# =============================================================================
+declare -A _T
+
+_t() {
+    local key="$1"; shift
+    local text="${_T[$key]:-$key}"
+    for arg in "$@"; do
+        text="${text/\%s/$arg}"
+    done
+    echo "$text"
+}
+
+load_language() {
+    local lang="${NITRO_LANG:-en}"
+    case "${lang,,}" in
+        nl) _T=(
+# ── MENU ──────────────────────────────────────────────
+["UPDATE"]="UPDATE"
+["TOOLS"]="TOOLS"
+["ADVANCED"]="ADVANCED"
+["Quick Update — current branch"]="Snelle Update — huidige branch"
+["Full Update (choose branch)"]="Volledige Update (kies branch)"
+["Emulator Only"]="Alleen Emulator"
+["Nitro-V3 Client Only"]="Alleen Nitro-V3 Client"
+["Renderer Only"]="Alleen Renderer"
+["Configs Only"]="Alleen Configuraties"
+["Dev Mode (skip builds, only configs)"]="Dev Modus (skip builds, alleen configs)"
+["Switch Branch"]="Wissel Branch"
+["Database"]="Database"
+["Backup / Restore"]="Backup / Herstel"
+["Services"]="Services"
+["Status"]="Status"
+["Health Check"]="Gezondheidscheck"
+["Clean"]="Opschonen"
+["Logs"]="Logboeken"
+["Config"]="Configuratie"
+["Git Log"]="Git Logboek"
+["Compare Branches"]="Vergelijk Branches"
+["Cron Scheduler"]="Cron Planner"
+["View Git Stashes"]="Bekijk Git Stashes"
+["Exit"]="Afsluiten"
+["Select [0-20]"]="Selecteer [0-20]"
+["Press Enter to continue..."]="Druk op Enter om door te gaan..."
+["Goodbye!"]="Tot ziens!"
+# ── HELP ──────────────────────────────────────────────
+["SMaRT — Emulator / Nitro-V3 / Nitro-V3-Render Updater & Manager"]="SMaRT — Emulator / Nitro-V3 / Nitro-V3-Render Updater & Beheerder"
+["USAGE:"]="GEBRUIK:"
+["COMMANDS:"]="COMMANDO'S:"
+["Open menu (default)"]="Open menu (standaard)"
+["Run update"]="Voer update uit"
+["Create database backup"]="Maak databasebackup"
+["Restore from backup"]="Herstel vanuit backup"
+["List backups"]="Toon backups"
+["System dashboard"]="Systeemdashboard"
+["Health check"]="Gezondheidscheck"
+["Service manager"]="Servicebeheerder"
+["Database tools"]="Database tools"
+["Show config"]="Toon configuratie"
+["View logs"]="Bekijk logboeken"
+["Cache cleanup"]="Cache opschonen"
+["Git history"]="Git geschiedenis"
+["Branch diff"]="Branch vergelijking"
+["Cron setup"]="Cron instellen"
+["View git stashes"]="Bekijk git stashes"
+["Branch (auto-detects)"]="Branch (auto-detectie)"
+["Site URL"]="Site URL"
+["emulator|client|renderer|configs|dev"]="emulator|client|renderer|configs|dev"
+["Preview only (no changes)"]="Alleen voorbeeld (geen wijzigingen)"
+["Show this help"]="Toon deze hulp"
+["Show version"]="Toon versie"
+["OPTIONS:"]="OPTIES:"
+["Unknown:"]="Onbekend:"
+# ── STEP HEADERS ──────────────────────────────────────
+["Update & Build Emulator"]="Update & Bouw Emulator"
+["Update Nitro_Render_V3"]="Update Nitro_Render_V3"
+["Update & Build Nitro-V3"]="Update & Bouw Nitro-V3"
+["Sync Configurations"]="Synchroniseer Configuraties"
+["Cleanup"]="Opschonen"
+["Set Permissions"]="Stel Permissies in"
+["Restart Services"]="Herstart Services"
+["System Diagnostics"]="Systeemdiagnose"
+["Database Backup"]="Databasebackup"
+["Database Restore"]="Database Herstel"
+["Backup Inventory"]="Backup Inventaris"
+["System Status"]="Systeemstatus"
+["Health Check"]="Gezondheidscheck"
+["Service Manager"]="Servicebeheer"
+["Database Tools"]="Database Tools"
+["Configuration"]="Configuratie"
+["Log Viewer"]="Logboekweergave"
+["Cache Cleanup"]="Cache Opschonen"
+["Git Commit History"]="Git Commit Geschiedenis"
+["Branch Comparison"]="Branch Vergelijking"
+["Cron Scheduler"]="Cron Planner"
+["Git Stashes"]="Git Stashes"
+# ── PROMPTS / CONFIRM ─────────────────────────────────
+["Start update?"]="Update starten?"
+["Continue?"]="Doorgaan?"
+["Restore %s? OVERWRITES database!"]="Herstel %s? OVERSCHRIJFT database!"
+["Select [1-%s]"]="Selecteer [1-%s]"
+["Branch [1-%s]"]="Branch [1-%s]"
+["Name:"]="Naam:"
+["Custom"]="Aangepast"
+["Select:"]="Selecteer:"
+["SQL:"]="SQL:"
+["Minute [0-59]:"]="Minuut [0-59]:"
+["Hour [0-23]:"]="Uur [0-23]:"
+["Branch A:"]="Branch A:"
+["Branch B:"]="Branch B:"
+["(current)"]="(huidig)"
+# ── INFO / OK / WARN / FAIL ──────────────────────────
+["All commands available"]="Alle commando's beschikbaar"
+["All directories exist"]="Alle mappen bestaan"
+["Database connected"]="Database verbonden"
+["Emulator: already up to date"]="Emulator: al up-to-date"
+["Renderer: already up to date"]="Renderer: al up-to-date"
+["Nitro-V3: already up to date"]="Nitro-V3: al up-to-date"
+["Emulator JAR backed up"]="Emulator JAR geback-upt"
+["Nitro-V3 dist backed up"]="Nitro-V3 dist geback-upt"
+["Emulator JAR restored"]="Emulator JAR hersteld"
+["Nitro-V3 dist restored"]="Nitro-V3 dist hersteld"
+["Renderer dependencies installed"]="Renderer afhankelijkheden geïnstalleerd"
+["No repo updates; skipping parallel builds"]="Geen repo-updates; parallel bouwen overgeslagen"
+["Dev mode: skipping builds, syncing configs only"]="Dev modus: builds overgeslagen, alleen configs synchroniseren"
+["Config back-up: %s"]="Config-backup: %s"
+["%s config file(s) synced"]="%s configuratiebestand(en) gesynchroniseerd"
+["All config files valid"]="Alle configuratiebestanden geldig"
+["%s config(s) invalid"]="%s configuratie(s) ongeldig"
+["All config URLs synced"]="Alle config-URL's gesynchroniseerd"
+["Redis cache flushed"]="Redis cache geleegd"
+["Permissions set"]="Permissies ingesteld"
+["Jar: %s"]="Jar: %s"
+["Launch script updated"]="Startscript bijgewerkt"
+["%s restarted"]="%s herstart"
+["Emulator health check passed (service up + port listening)"]="Emulator gezondheidscheck geslaagd (service actief + poort luistert)"
+["Emulator not healthy after %s retries"]="Emulator niet gezond na %s pogingen"
+["Nginx reloaded"]="Nginx herladen"
+["Redis flushed"]="Redis geleegd"
+["Cleanup done (%s logs removed)"]="Opschonen voltooid (%s logs verwijderd)"
+["Old config backups pruned"]="Oude config-backups opgeruimd"
+["Dry-run: would update repos, run DB backups, build, sync configs, cleanup, restart services"]="Proefrun: zou repos updaten, DB-backups maken, bouwen, configs synchroniseren, opschonen, services herstarten"
+["Backup: %s — %s"]="Backup: %s — %s"
+["Restored"]="Hersteld"
+["Cancelled"]="Geannuleerd"
+["Started"]="Gestart"
+["Stopped"]="Gestopt"
+["Restarted"]="Herstart"
+["Yarn cleaned"]="Yarn opgeschoond"
+["Next.js cache cleared"]="Next.js cache gewist"
+["Logs cleaned"]="Logs opgeschoond"
+["Full cleanup"]="Volledig opgeschoond"
+["Docker pruned"]="Docker opgeruimd"
+["Optimized"]="Geoptimaliseerd"
+["Old Maven artifacts cleaned"]="Oude Maven artefacten opgeruimd"
+["Scheduled daily 03:00"]="Ingesteld dagelijks 03:00"
+["Scheduled daily 04:00"]="Ingesteld dagelijks 04:00"
+["Scheduled weekly"]="Ingesteld wekelijks"
+["Scheduled %s"]="Ingesteld %s"
+["Removed"]="Verwijderd"
+["Branch: %s"]="Branch: %s"
+["No backup dir"]="Geen backup-map"
+["No backups"]="Geen backups"
+["No logs"]="Geen logboeken"
+["No log dir"]="Geen logboek-map"
+["No stashes found"]="Geen stashes gevonden"
+["Not a git repo"]="Geen git-repository"
+["Invalid"]="Ongeldig"
+["Invalid selection"]="Ongeldige selectie"
+["%s updates, %s warnings"]="%s updates, %s waarschuwingen"
+["Update had errors"]="Update had fouten"
+["Dev mode had errors"]="Dev modus had fouten"
+["Invalid, using: %s"]="Ongeldig, gebruik: %s"
+["Backup: %s — %s"]="Backup: %s — %s"
+["Script:"]="Script:"
+["Bash syntax"]="Bash syntax"
+["Configs:"]="Configuraties:"
+["Config dir"]="Config map"
+["All JSON valid"]="Alle JSON geldig"
+["JSON errors:"]="JSON fouten:"
+["Gamedata config"]="Gamedata config"
+["Backup dir"]="Backup map"
+["Network:"]="Netwerk:"
+["Nginx config"]="Nginx configuratie"
+["Redis PING"]="Redis PING"
+["Site reachable"]="Site bereikbaar"
+["Emulator port open"]="Emulator poort open"
+["Emulator port closed"]="Emulator poort gesloten"
+["Databases:"]="Databases:"
+["MySQL connect"]="MySQL verbinding"
+["Disk:"]="Schijf:"
+["Memory:"]="Geheugen:"
+["Load:"]="Belasting:"
+["Commands:"]="Commando's:"
+["Bashisms"]="Bashisms"
+["Tables:"]="Tabellen:"
+# ── DIE MESSAGES ──────────────────────────────────────
+["Another instance is already running (lock: %s)"]="Er draait al een andere instantie (lock: %s)"
+["Required commands missing"]="Vereiste commando's ontbreken"
+["Missing: %s"]="Ontbreekt: %s"
+["Missing dir: %s"]="Map ontbreekt: %s"
+["Only %sGB free (min %sGB)"]="Slechts %sGB vrij (min %sGB)"
+["Low disk: %sGB free"]="Weinig schijfruimte: %sGB vrij"
+["%sGB disk available"]="%sGB schijf beschikbaar"
+["DB connection failed"]="Databaseverbinding mislukt"
+["Maven build failed (see: %s)"]="Maven build mislukt (zie: %s)"
+["No jar found"]="Geen jar gevonden"
+["yarn install failed"]="yarn install mislukt"
+["yarn build failed (see: %s)"]="yarn build mislukt (zie: %s)"
+["Build failure in: %s"]="Buildfout in: %s"
+["Backup failed"]="Backup mislukt"
+["Restore failed"]="Herstel mislukt"
+# ── SECTIONS ──────────────────────────────────────────
+["  UPDATE  "]="  UPDATE  "
+["  TOOLS  "]="  TOOLS  "
+["  ADVANCED  "]="  GEAVANCEERD  "
+# ── SUBMENUS ──────────────────────────────────────────
+["Start Emulator"]="Start Emulator"
+["Stop Emulator"]="Stop Emulator"
+["Restart Emulator"]="Herstart Emulator"
+["Start Nginx"]="Start Nginx"
+["Restart Nginx"]="Herstart Nginx"
+["Status All"]="Status Alles"
+["Emulator Logs"]="Emulator Logs"
+["Emulator Journal"]="Emulator Journal"
+["Return"]="Terug"
+["DB Info"]="DB Info"
+["List Tables"]="Toon Tabellen"
+["Table Sizes"]="Tabelgroottes"
+["Optimize"]="Optimaliseer"
+["Custom Query"]="Eigen Query"
+["Active Users"]="Actieve Gebruikers"
+["Processlist"]="Proceslijst"
+["Yarn"]="Yarn"
+["Next.js"]="Next.js"
+["Redis"]="Redis"
+["Everything"]="Alles"
+["Docker"]="Docker"
+["Maven"]="Maven"
+["Daily 03:00"]="Dagelijks 03:00"
+["Daily 04:00"]="Dagelijks 04:00"
+["Weekly Sun 03:00"]="Wekelijks Zo 03:00"
+["Custom time"]="Eigen tijd"
+["Remove"]="Verwijderen"
+["Last 20 commits on %s (ahead: %s):"]="Laatste 20 commits op %s (vooruit: %s):"
+["%s is %s ahead, %s behind %s"]="%s is %s voor, %s achter op %s"
+["Current:"]="Huidig:"
+["none"]="geen"
+# ── BOX LABELS ────────────────────────────────────────
+["SERVER"]="SERVER"
+["RESOURCES"]="BRONNEN"
+["SERVICES"]="SERVICES"
+["GIT REPOS"]="GIT REPOS"
+["SCORE"]="SCORE"
+["DB INFO"]="DB INFO"
+["CONFIGURATION"]="CONFIGURATIE"
+["Host:"]="Host:"
+["OS:"]="Besturingssysteem:"
+["Uptime:"]="Uptime:"
+["CPU:"]="CPU:"
+["Memory:"]="Geheugen:"
+["Disk:"]="Schijf:"
+["Database:"]="Database:"
+["Passed:"]="Geslaagd:"
+["Failed:"]="Mislukt:"
+["Warnings:"]="Waarschuwingen:"
+["Name:"]="Naam:"
+["Size:"]="Grootte:"
+["Tables:"]="Tabellen:"
+["Site:"]="Site:"
+["Branch:"]="Branch:"
+["Emulator:"]="Emulator:"
+["Nitro-V3:"]="Nitro-V3:"
+["Renderer:"]="Renderer:"
+["Service:"]="Service:"
+["Socket:"]="Socket:"
+["API:"]="API:"
+["Gamedata:"]="Gamedata:"
+["Min Disk:"]="Min Schijf:"
+# ── SPINNER ───────────────────────────────────────────
+["Building emulator (parallel)..."]="Emulator aan het bouwen (parallel)..."
+["Installing deps..."]="Afhankelijkheden installeren..."
+["Building frontend..."]="Frontend aan het bouwen..."
+["Backing up..."]="Backup aan het maken..."
+["Restoring..."]="Aan het herstellen..."
+["Optimizing..."]="Aan het optimaliseren..."
+# ── NOTIFY ──────────────────────────────────────────
+["SUCCESS"]="GELUKT"
+["FAILED"]="MISLUKT"
+["Completed in %s (%s warnings)"]="Voltooid in %s (%s waarschuwingen)"
+# ── OTHER ───────────────────────────────────────────
+["Total: %s backups — %s"]="Totaal: %s backups — %s"
+["FILENAME"]="BESTANDSNAAM"
+["SIZE"]="GROOTTE"
+["All config files valid"]="Alle configuratiebestanden geldig"
+# ── SUMMARY ──────────────────────────────────────────
+["UPDATE COMPLETED SUCCESSFULLY"]="UPDATE SUCCESVOL VOLTOOID"
+["COMPLETED WITH %s ERROR(S)"]="VOLTOOID MET %s FOUT(EN)"
+["Duration:"]="Duur:"
+["Updates:"]="Updates:"
+["Nitro build:"]="Nitro build:"
+["Warnings:"]="Waarschuwingen:"
+["Repos:"]="Repos:"
+["Yes"]="Ja"
+["No"]="Nee"
+        ) ;;
+        fr) _T=(
+# ── MENU ──────────────────────────────────────────────
+["UPDATE"]="MISE À JOUR"
+["TOOLS"]="OUTILS"
+["ADVANCED"]="AVANCÉ"
+["Quick Update — current branch"]="Mise à jour rapide — branche actuelle"
+["Full Update (choose branch)"]="Mise à jour complète (choisir branche)"
+["Emulator Only"]="Émulateur uniquement"
+["Nitro-V3 Client Only"]="Client Nitro-V3 uniquement"
+["Renderer Only"]="Rendu uniquement"
+["Configs Only"]="Configs uniquement"
+["Dev Mode (skip builds, only configs)"]="Mode Dev (sans builds, configs seulement)"
+["Switch Branch"]="Changer de branche"
+["Database"]="Base de données"
+["Backup / Restore"]="Sauvegarde / Restauration"
+["Services"]="Services"
+["Status"]="Statut"
+["Health Check"]="Vérification de santé"
+["Clean"]="Nettoyer"
+["Logs"]="Journaux"
+["Config"]="Configuration"
+["Git Log"]="Journal Git"
+["Compare Branches"]="Comparer les branches"
+["Cron Scheduler"]="Planificateur Cron"
+["View Git Stashes"]="Voir les stashs Git"
+["Exit"]="Quitter"
+["Select [0-20]"]="Sélectionner [0-20]"
+["Press Enter to continue..."]="Appuyez sur Entrée pour continuer..."
+["Goodbye!"]="Au revoir !"
+["Start update?"]="Lancer la mise à jour ?"
+["Continue?"]="Continuer ?"
+# ── HELP ──────────────────────────────────────────────
+["USAGE:"]="UTILISATION :"
+["COMMANDS:"]="COMMANDES :"
+["OPTIONS:"]="OPTIONS :"
+# ── STEP HEADERS ──────────────────────────────────────
+["Update & Build Emulator"]="Mise à jour & Construction Émulateur"
+["Update Nitro_Render_V3"]="Mise à jour Nitro_Render_V3"
+["Update & Build Nitro-V3"]="Mise à jour & Construction Nitro-V3"
+["Sync Configurations"]="Synchroniser les configurations"
+["Cleanup"]="Nettoyage"
+["Set Permissions"]="Définir les permissions"
+["Restart Services"]="Redémarrer les services"
+["System Diagnostics"]="Diagnostics système"
+["Database Backup"]="Sauvegarde base de données"
+["Database Restore"]="Restauration base de données"
+["Backup Inventory"]="Inventaire des sauvegardes"
+["System Status"]="Statut du système"
+["Health Check"]="Vérification de santé"
+["Service Manager"]="Gestionnaire de services"
+["Database Tools"]="Outils base de données"
+["Configuration"]="Configuration"
+["Log Viewer"]="Visualisateur de journaux"
+["Cache Cleanup"]="Nettoyage du cache"
+["Git Commit History"]="Historique des commits Git"
+["Branch Comparison"]="Comparaison de branches"
+["Cron Scheduler"]="Planificateur Cron"
+["Git Stashes"]="Stashs Git"
+["Missing: %s"]="Manquant : %s"
+["Missing dir: %s"]="Répertoire manquant : %s"
+["All commands available"]="Toutes les commandes disponibles"
+["All directories exist"]="Tous les répertoires existent"
+["Database connected"]="Base de données connectée"
+["Maven build failed (see: %s)"]="Build Maven échoué (voir : %s)"
+["yarn install failed"]="yarn install échoué"
+["yarn build failed (see: %s)"]="yarn build échoué (voir : %s)"
+["Jar: %s"]="Jar : %s"
+["Backup: %s — %s"]="Sauvegarde : %s — %s"
+["Restored"]="Restauré"
+["Cancelled"]="Annulé"
+["Invalid"]="Invalide"
+["Invalid selection"]="Sélection invalide"
+["Scheduled daily 03:00"]="Planifié quotidien 03:00"
+["Scheduled daily 04:00"]="Planifié quotidien 04:00"
+["Scheduled weekly"]="Planifié hebdomadaire"
+["Removed"]="Supprimé"
+["Return"]="Retour"
+["none"]="aucun"
+["Yes"]="Oui"
+["No"]="Non"
+["Goodbye!"]="Au revoir !"
+        ) ;;
+        es) _T=(
+# ── MENU ──────────────────────────────────────────────
+["UPDATE"]="ACTUALIZAR"
+["TOOLS"]="HERRAMIENTAS"
+["ADVANCED"]="AVANZADO"
+["Quick Update — current branch"]="Actualización rápida — rama actual"
+["Full Update (choose branch)"]="Actualización completa (elegir rama)"
+["Emulator Only"]="Solo Emulador"
+["Nitro-V3 Client Only"]="Solo Cliente Nitro-V3"
+["Renderer Only"]="Solo Renderizador"
+["Configs Only"]="Solo Configuraciones"
+["Dev Mode (skip builds, only configs)"]="Modo Dev (sin builds, solo configs)"
+["Switch Branch"]="Cambiar Rama"
+["Database"]="Base de Datos"
+["Backup / Restore"]="Respaldo / Restaurar"
+["Services"]="Servicios"
+["Status"]="Estado"
+["Health Check"]="Verificación de Salud"
+["Clean"]="Limpiar"
+["Logs"]="Registros"
+["Config"]="Configuración"
+["Git Log"]="Registro Git"
+["Compare Branches"]="Comparar Ramas"
+["Cron Scheduler"]="Programador Cron"
+["View Git Stashes"]="Ver Stashes Git"
+["Exit"]="Salir"
+["Select [0-20]"]="Seleccionar [0-20]"
+["Press Enter to continue..."]="Presione Enter para continuar..."
+["Goodbye!"]="¡Hasta luego!"
+["Start update?"]="¿Iniciar actualización?"
+["Continue?"]="¿Continuar?"
+["Missing: %s"]="Falta: %s"
+["Missing dir: %s"]="Directorio faltante: %s"
+["All commands available"]="Todos los comandos disponibles"
+["All directories exist"]="Todos los directorios existen"
+["Database connected"]="Base de datos conectada"
+["Maven build failed (see: %s)"]="Build Maven falló (ver: %s)"
+["yarn install failed"]="yarn install falló"
+["yarn build failed (see: %s)"]="yarn build falló (ver: %s)"
+["Goodbye!"]="¡Hasta luego!"
+["Return"]="Volver"
+["none"]="ninguno"
+["Yes"]="Sí"
+["No"]="No"
+        ) ;;
+        de) _T=(
+# ── MENU ──────────────────────────────────────────────
+["UPDATE"]="AKTUALISIEREN"
+["TOOLS"]="WERKZEUGE"
+["ADVANCED"]="ERWEITERT"
+["Quick Update — current branch"]="Schnellupdate — aktueller Branch"
+["Full Update (choose branch)"]="Vollständiges Update (Branch wählen)"
+["Emulator Only"]="Nur Emulator"
+["Nitro-V3 Client Only"]="Nur Nitro-V3 Client"
+["Renderer Only"]="Nur Renderer"
+["Configs Only"]="Nur Konfigurationen"
+["Dev Mode (skip builds, only configs)"]="Dev-Modus (ohne Builds, nur Konfigs)"
+["Switch Branch"]="Branch wechseln"
+["Database"]="Datenbank"
+["Backup / Restore"]="Sicherung / Wiederherstellung"
+["Services"]="Dienste"
+["Status"]="Status"
+["Health Check"]="Gesundheitsprüfung"
+["Clean"]="Bereinigen"
+["Logs"]="Protokolle"
+["Config"]="Konfiguration"
+["Git Log"]="Git-Verlauf"
+["Compare Branches"]="Branches vergleichen"
+["Cron Scheduler"]="Cron-Planer"
+["View Git Stashes"]="Git-Stashes anzeigen"
+["Exit"]="Beenden"
+["Select [0-20]"]="Auswählen [0-20]"
+["Press Enter to continue..."]="Drücken Sie Enter zum Fortfahren..."
+["Goodbye!"]="Auf Wiedersehen!"
+["Start update?"]="Update starten?"
+["Continue?"]="Fortfahren?"
+["Missing: %s"]="Fehlt: %s"
+["Missing dir: %s"]="Verzeichnis fehlt: %s"
+["All commands available"]="Alle Befehle verfügbar"
+["All directories exist"]="Alle Verzeichnisse vorhanden"
+["Database connected"]="Datenbank verbunden"
+["Maven build failed (see: %s)"]="Maven-Build fehlgeschlagen (siehe: %s)"
+["yarn install failed"]="yarn install fehlgeschlagen"
+["yarn build failed (see: %s)"]="yarn build fehlgeschlagen (siehe: %s)"
+["Goodbye!"]="Auf Wiedersehen!"
+["Return"]="Zurück"
+["none"]="keine"
+["Yes"]="Ja"
+["No"]="Nein"
+        ) ;;
+        it) _T=(
+# ── MENU ──────────────────────────────────────────────
+["UPDATE"]="AGGIORNA"
+["TOOLS"]="STRUMENTI"
+["ADVANCED"]="AVANZATE"
+["Quick Update — current branch"]="Aggiornamento rapido — ramo attuale"
+["Full Update (choose branch)"]="Aggiornamento completo (scegli ramo)"
+["Emulator Only"]="Solo Emulatore"
+["Nitro-V3 Client Only"]="Solo Client Nitro-V3"
+["Renderer Only"]="Solo Renderer"
+["Configs Only"]="Solo Configurazioni"
+["Dev Mode (skip builds, only configs)"]="Modalità Dev (senza build, solo configs)"
+["Switch Branch"]="Cambia Ramo"
+["Database"]="Database"
+["Backup / Restore"]="Backup / Ripristino"
+["Services"]="Servizi"
+["Status"]="Stato"
+["Health Check"]="Controllo Salute"
+["Clean"]="Pulisci"
+["Logs"]="Registri"
+["Config"]="Configurazione"
+["Git Log"]="Registro Git"
+["Compare Branches"]="Confronta Rami"
+["Cron Scheduler"]="Pianificatore Cron"
+["View Git Stashes"]="Vedi Stash Git"
+["Exit"]="Esci"
+["Select [0-20]"]="Seleziona [0-20]"
+["Press Enter to continue..."]="Premi Invio per continuare..."
+["Goodbye!"]="Arrivederci!"
+["Start update?"]="Avviare aggiornamento?"
+["Continue?"]="Continuare?"
+["Missing: %s"]="Mancante: %s"
+["Missing dir: %s"]="Directory mancante: %s"
+["All commands available"]="Tutti i comandi disponibili"
+["All directories exist"]="Tutte le directory esistono"
+["Database connected"]="Database connesso"
+["Maven build failed (see: %s)"]="Build Maven fallita (vedi: %s)"
+["yarn install failed"]="yarn install fallito"
+["yarn build failed (see: %s)"]="yarn build fallito (vedi: %s)"
+["Goodbye!"]="Arrivederci!"
+["Return"]="Indietro"
+["none"]="nessuno"
+["Yes"]="Sì"
+["No"]="No"
+        ) ;;
+    esac
+}
+
 # =============================================================================
 #  LOCKFILE
 # =============================================================================
 acquire_lock() {
     exec 9>"$LOCK_FILE"
     if ! flock -n 9; then
-        die "Another instance is already running (lock: $LOCK_FILE)"
+        die "Another instance is already running (lock: %s)" "$LOCK_FILE"
     fi
 }
 
@@ -148,16 +677,17 @@ release_lock() {
 #  UI HELPERS
 # =============================================================================
 log_write() { printf "[%s] [%s] %s\n" "$(date '+%Y-%m-%d %H:%M:%S')" "$1" "$2" >> "$LOG_FILE" 2>/dev/null || true; }
-info()   { echo -e "  ${C_BLUE}${E_ARROW}${C_RESET} $1"; log_write "INFO" "$1"; }
-ok()     { echo -e "  ${C_GREEN}${E_OK}${C_RESET} $1"; log_write "OK" "$1"; }
-warn()   { echo -e "  ${C_YELLOW}${E_WARN}${C_RESET} $1"; WARNINGS=$((WARNINGS + 1)); log_write "WARN" "$1"; }
-fail()   { echo -e "  ${C_RED}${E_FAIL}${C_RESET} $1"; log_write "FAIL" "$1"; }
+info()   { local m; m=$(_t "$1" "${@:2}"); echo -e "  ${C_BLUE}${E_ARROW}${C_RESET} $m"; log_write "INFO" "$m"; }
+ok()     { local m; m=$(_t "$1" "${@:2}"); echo -e "  ${C_GREEN}${E_OK}${C_RESET} $m"; log_write "OK" "$m"; }
+warn()   { local m; m=$(_t "$1" "${@:2}"); echo -e "  ${C_YELLOW}${E_WARN}${C_RESET} $m"; WARNINGS=$((WARNINGS + 1)); log_write "WARN" "$m"; }
+fail()   { local m; m=$(_t "$1" "${@:2}"); echo -e "  ${C_RED}${E_FAIL}${C_RESET} $m"; log_write "FAIL" "$m"; }
 
 die() {
+    local m; m=$(_t "$1" "${@:2}")
     echo ""
-    echo -e "  ${C_BG_RED}${C_WHITE}${C_BOLD} ERROR ${C_RESET} ${C_RED}$1${C_RESET}"
-    log_write "FATAL" "$1"
-    cleanup_notify_failure "$1"
+    echo -e "  ${C_BG_RED}${C_WHITE}${C_BOLD} $(_t "ERROR") ${C_RESET} ${C_RED}$m${C_RESET}"
+    log_write "FATAL" "$m"
+    cleanup_notify_failure "$m"
     release_lock
     cursor_show
     exit 1
@@ -197,7 +727,7 @@ spinner_start() {
     (
         local i=0
         while true; do
-            printf "\r  ${C_CYAN}${frames[$i]}${C_RESET} %s " "$msg"
+            printf "\r  ${C_CYAN}${frames[$i]}${C_RESET} %s " "$(_t "$msg")"
             i=$(( (i + 1) % ${#frames[@]} ))
             sleep 0.1
         done
@@ -218,14 +748,14 @@ spinner_stop() {
 step() {
     local num="${1}" total="${2}" title="${3}"
     echo ""
-    echo -e "  ${C_BG_CYAN}${C_WHITE}${C_BOLD}  Step ${num}/${total} — ${title}  ${C_RESET}"
+    echo -e "  ${C_BG_CYAN}${C_WHITE}${C_BOLD}  Step ${num}/${total} — $(_t "$title")  ${C_RESET}"
     echo ""
 }
 
 confirm() {
     local msg="${1:-Continue?}" default="${2:-y}"
     local hint="[Y/n]"; [ "$default" = "n" ] && hint="[y/N]"
-    echo -en "  ${C_YELLOW}${E_ARROW}${C_RESET} ${C_BOLD}$msg${C_RESET} $hint "
+    echo -en "  ${C_YELLOW}${E_ARROW}${C_RESET} ${C_BOLD}$(_t "$msg")${C_RESET} $hint "
     local reply; read -rt 30 reply; reply="${reply:-$default}"
     [[ "$reply" =~ ^[Yy] ]]
 }
@@ -241,8 +771,9 @@ dry_run() {
 box_top() {
     local title="${1:-}" width="${2:-60}"
     if [ -n "$title" ]; then
-        local pad=$((width - ${#title} - 6)); [ $pad -lt 0 ] && pad=0
-        printf "${C_CYAN}╔═══ ${C_BOLD}%s${C_RESET}${C_CYAN}" "$title"
+        local tt; tt=$(_t "$title")
+        local pad=$((width - ${#tt} - 6)); [ $pad -lt 0 ] && pad=0
+        printf "${C_CYAN}╔═══ ${C_BOLD}%s${C_RESET}${C_CYAN}" "$tt"
         repeat '═' "$pad"
         echo -e "╗${C_RESET}"
     else
@@ -251,10 +782,11 @@ box_top() {
 }
 box_kv() {
     local key="${1}" val="${2}" width="${3:-60}"
-    local ck=$(echo -e "$key" | sed 's/\x1b\[[0-9;]*m//g')
+    local kk; kk=$(_t "$key")
+    local ck=$(echo -e "$kk" | sed 's/\x1b\[[0-9;]*m//g')
     local cv=$(echo -e "$val" | sed 's/\x1b\[[0-9;]*m//g')
     local pad=$((width - ${#ck} - ${#cv} - 6)); [ $pad -lt 0 ] && pad=0
-    printf "${C_CYAN}║${C_RESET}  %s%*s%s  ${C_CYAN}║${C_RESET}\n" "$key" $pad "" "$val"
+    printf "${C_CYAN}║${C_RESET}  %s%*s%s  ${C_CYAN}║${C_RESET}\n" "$kk" $pad "" "$val"
 }
 box_line() {
     local text="${1:-}" width="${2:-60}"
@@ -293,12 +825,13 @@ cleanup_notify_failure() { $NOTIFY_FAILED && return; NOTIFY_FAILED=true; notify
 cleanup_on_exit() {
     local ec=$?; cursor_show; release_lock
     if [ $ec -ne 0 ] && [ "$ROLLBACK_NEEDED" = true ]; then
-        echo -e "\n  ${C_BG_RED}${C_WHITE}${C_BOLD} ROLLBACK ${C_RESET}"
-        echo -e "  Restoring config back-ups from $CONFIG_BACKUP_DIR/rollback..."
+        echo -e "\n  ${C_BG_RED}${C_WHITE}${C_BOLD} $(_t "ROLLBACK") ${C_RESET}"
+        echo -e "  $(_t "Restoring config back-ups from") $CONFIG_BACKUP_DIR/rollback..."
         if [ -d "$CONFIG_BACKUP_DIR/rollback" ]; then
             cp -r "$CONFIG_BACKUP_DIR/rollback/"* "$NITRO_SRC_DIR/" 2>/dev/null || true
             ok "Config files restored from rollback"
         fi
+        restore_binaries
     fi
     [ $ec -ne 0 ] && cleanup_notify_failure "Exit code $ec"
 }
@@ -355,7 +888,7 @@ git_update() {
             elif git pull --ff-only 2>/dev/null; then
                 pulled=0; break
             fi
-            warn "Pull attempt $attempt failed in $(basename "$repo"), retrying..." >&2
+            warn "Pull attempt %s failed in %s, retrying..." "$attempt" "$(basename "$repo")" >&2
             sleep 2
         done
         [ "$pulled" -ne 0 ] && { warn "Pull failed in $(basename "$repo")"; exit 1; }
@@ -440,13 +973,55 @@ validate_configs() {
     for f in "$dir"/*.json; do
         [ -f "$f" ] || continue
         if ! validate_json "$f"; then
-            warn "Invalid JSON: $(basename "$f")"
+            warn "Invalid JSON: %s" "$(basename "$f")"
             errors=$((errors + 1))
         fi
     done
     [ "$errors" -eq 0 ] && ok "All config files valid" || warn "$errors config(s) invalid"
 }
 
+# =============================================================================
+#  BINARY BACKUP & ROLLBACK
+# =============================================================================
+backup_binaries() {
+    [ -n "$BINARY_BACKUP_DIR" ] && return
+    BINARY_BACKUP_DIR="$CONFIG_BACKUP_DIR/binaries-$(date +%Y%m%d-%H%M%S)"
+    mkdir -p "$BINARY_BACKUP_DIR"
+
+    local jar_dir="$EMULATOR_DIR/Emulator/target"
+    if [ -d "$jar_dir" ] && ls "$jar_dir"/Polaris-*-jar-with-dependencies.jar &>/dev/null 2>&1; then
+        cp "$jar_dir"/Polaris-*-jar-with-dependencies.jar "$BINARY_BACKUP_DIR/" 2>/dev/null || true
+        ok "Emulator JAR backed up"
+    fi
+
+    local client_dist="$NITRO_CLIENT/dist"
+    if [ -d "$client_dist" ]; then
+        cp -r "$client_dist" "$BINARY_BACKUP_DIR/client-dist" 2>/dev/null || true
+        ok "Nitro-V3 dist backed up"
+    fi
+}
+
+restore_binaries() {
+    [ -z "$BINARY_BACKUP_DIR" ] && return
+    [ ! -d "$BINARY_BACKUP_DIR" ] && return
+    echo ""
+    echo -e "  ${C_BG_RED}${C_WHITE}${C_BOLD} $(_t "RESTORE BINARIES") ${C_RESET}"
+
+    if ls "$BINARY_BACKUP_DIR"/Polaris-*-jar-with-dependencies.jar &>/dev/null 2>&1; then
+        local jar_dir="$EMULATOR_DIR/Emulator/target"
+        mkdir -p "$jar_dir"
+        cp "$BINARY_BACKUP_DIR"/Polaris-*-jar-with-dependencies.jar "$jar_dir/" 2>/dev/null || true
+        ok "Emulator JAR restored"
+    fi
+
+    if [ -d "$BINARY_BACKUP_DIR/client-dist" ]; then
+        local client_dist="$NITRO_CLIENT/dist"
+        rm -rf "$client_dist" 2>/dev/null || true
+        cp -r "$BINARY_BACKUP_DIR/client-dist" "$client_dist" 2>/dev/null || true
+        ok "Nitro-V3 dist restored"
+    fi
+}
+
 # =============================================================================
 #  PRE-FLIGHT CHECKS
 # =============================================================================
@@ -471,9 +1046,9 @@ preflight_check() {
     local total_gb=$((total_kb / 1024 / 1024))
     [ "$total_gb" -lt "$MIN_DISK_GB" ] && die "Only ${total_gb}GB free (min ${MIN_DISK_GB}GB)"
     if [ "$total_gb" -lt $((MIN_DISK_GB * 2)) ]; then
-        warn "Low disk: ${total_gb}GB free"
+        warn "Low disk: %sGB free" "$total_gb"
     else
-        ok "${total_gb}GB disk available"
+        ok "%sGB disk available" "$total_gb"
     fi
 
     $MYSQL_CLIENT $MYSQL_CRED -e "SELECT 1" "$DB_NAME" &>/dev/null || die "DB connection failed"
@@ -488,6 +1063,8 @@ update_emulator() {
     if git_update "$EMULATOR_DIR/Emulator" "$NITRO_BRANCH"; then
         HAD_UPDATES=true; UPDATED_REPOS+=("Emulator")
         cd "$EMULATOR_DIR/Emulator"
+        backup_binaries
+        ROLLBACK_NEEDED=true
         spinner_start "Building emulator (parallel)..."
         # Prefer offline mode when the local Maven repo is warm; fall back to
         # online if offline resolution fails. ccache speeds up repeated JNI/C++
@@ -499,11 +1076,11 @@ update_emulator() {
         else
             spinner_stop fail
             tail -30 "$LOG_FILE" | grep -E '(ERROR|FAILURE|BUILD)' || true
-            die "Maven build failed (see: $LOG_FILE)"
+            die "Maven build failed (see: %s)" "$LOG_FILE"
         fi
         local jar=$(find target -maxdepth 1 -name 'Polaris-*-jar-with-dependencies.jar' -printf '%T@ %p\n' 2>/dev/null | sort -rn | sed -n '1s/^[0-9.]* //p' | xargs -r basename 2>/dev/null || echo "")
         [ -z "$jar" ] && die "No jar found"
-        ok "Jar: $jar"
+        ok "Jar: %s" "$jar"
         cd target/
         cat > emulator << EOJ
 #!/bin/sh
@@ -538,6 +1115,8 @@ update_client() {
     if git_update "$NITRO_CLIENT" "$NITRO_BRANCH"; then
         HAD_UPDATES=true; NITRO_BUILT=true; UPDATED_REPOS+=("Nitro-V3")
         cd "$NITRO_CLIENT"
+        backup_binaries
+        ROLLBACK_NEEDED=true
         spinner_start "Installing deps..."
         yarn install --frozen-lockfile --prefer-offline 2>&1 || { clean_node_modules && yarn install 2>&1; } || { spinner_stop fail; die "yarn install failed"; }
         spinner_stop ok
@@ -547,7 +1126,7 @@ update_client() {
         else
             spinner_stop fail
             tail -10 "$LOG_FILE" || true
-            die "yarn build failed (see: $LOG_FILE)"
+            die "yarn build failed (see: %s)" "$LOG_FILE"
         fi
     else
         info "Nitro-V3: already up to date"
@@ -562,7 +1141,7 @@ sync_configs() {
 
     # Backup current configs before overwriting
     local cb=$(backup_configs)
-    info "Config back-up: $(basename "$cb")"
+    info "Config back-up: %s" "$(basename "$cb")"
 
     local ms="$SCRIPT_DIR/scripts/merge-config.cjs"
     local dcd="$NITRO_CLIENT/dist/configuration"
@@ -579,7 +1158,7 @@ sync_configs() {
         [ -d "$dcd" ] && cp "$NITRO_SRC_DIR/$tn" "$dcd/$tn" 2>/dev/null || true
         ec=$((ec+1))
     done
-    ok "$ec config file(s) synced"
+    ok "%s config file(s) synced" "$ec"
 
     # Validate the generated configs
     validate_configs "$NITRO_SRC_DIR"
@@ -637,7 +1216,7 @@ do_cleanup() {
     rm -rf /tmp/nitro-* /tmp/epicnext-* 2>/dev/null || true
     # Clean old Maven build artifacts (older than 7 days)
     find "$EMULATOR_DIR/Emulator" -maxdepth 3 -name '*.jar' -mtime +7 2>/dev/null -exec rm -f {} \; || true
-    ok "Cleanup done ($lc logs removed)"
+    ok "Cleanup done (%s logs removed)" "$lc"
 }
 
 do_permissions() {
@@ -654,15 +1233,17 @@ do_restart() {
         sudo systemctl restart "$EMULATOR_SERVICE" 2>/dev/null && ok "$EMULATOR_SERVICE restarted" || warn "Restart failed"
         local hc=0
         while [ "$hc" -lt "$HEALTH_RETRIES" ]; do
-            sleep "$HEALTH_INTERVAL"
             if service_active "$EMULATOR_SERVICE" && emulator_port_open; then
                 ok "Emulator health check passed (service up + port listening)"
                 break
             fi
             hc=$((hc+1))
+            [ "$hc" -lt "$HEALTH_RETRIES" ] && sleep "$HEALTH_INTERVAL"
         done
         if [ "$hc" -eq "$HEALTH_RETRIES" ]; then
-            warn "Emulator not healthy after $HEALTH_RETRIES retries"
+            warn "Emulator not healthy after %s retries" "$HEALTH_RETRIES"
+            sudo journalctl -u "$EMULATOR_SERVICE" --no-pager -n 20 2>/dev/null || true
+            ERRORS=$((ERRORS + 1))
             ROLLBACK_NEEDED=true
         fi
     elif command -v pm2 &>/dev/null; then
@@ -679,15 +1260,16 @@ do_restart() {
 emulator_port_open() {
     local port="${NITRO_EMULATOR_PORT:-30000}"
     if command -v redis-cli >/dev/null 2>&1; then
-        # Emulator advertises its port via the gamedata/extradata; fall back to env.
         local p; p=$(redis-cli GET nitro:emulator:port 2>/dev/null)
         [ -n "$p" ] && port="$p"
     fi
     if command -v nc >/dev/null 2>&1; then
-        timeout 3 bash -c "exec 3<>/dev/tcp/127.0.0.1/$port" 2>/dev/null && return 0
-    elif command -v ss >/dev/null 2>&1; then
+        nc -z 127.0.0.1 "$port" -w 3 2>/dev/null && return 0
+    fi
+    if command -v ss >/dev/null 2>&1; then
         ss -ltn 2>/dev/null | grep -q ":$port " && return 0
     fi
+    timeout 3 bash -c "exec 3<>/dev/tcp/127.0.0.1/$port" 2>/dev/null && return 0
     return 1
 }
 
@@ -696,16 +1278,16 @@ show_summary() {
     echo ""
     echo -e "  ${C_CYAN}╔══════════════════════════════════════════════════════════════════╗${C_RESET}"
     if [ "$ERRORS" -eq 0 ]; then
-        echo -e "  ${C_CYAN}║${C_RESET}       ${C_GREEN}${C_BOLD}✔  UPDATE COMPLETED SUCCESSFULLY${C_RESET}                            ${C_CYAN}║${C_RESET}"
+        echo -e "  ${C_CYAN}║${C_RESET}       ${C_GREEN}${C_BOLD}✔  $(_t "UPDATE COMPLETED SUCCESSFULLY")${C_RESET}                            ${C_CYAN}║${C_RESET}"
     else
-        echo -e "  ${C_CYAN}║${C_RESET}       ${C_YELLOW}${C_BOLD}⚠  COMPLETED WITH $ERRORS ERROR(S)${C_RESET}                              ${C_CYAN}║${C_RESET}"
+        echo -e "  ${C_CYAN}║${C_RESET}       ${C_YELLOW}${C_BOLD}⚠  $(_t "COMPLETED WITH") $ERRORS $(_t "ERROR(S)")${C_RESET}                              ${C_CYAN}║${C_RESET}"
     fi
     echo -e "  ${C_CYAN}╠══════════════════════════════════════════════════════════════════╣${C_RESET}"
-    printf "  ${C_CYAN}║${C_RESET}  Duration:    %-46s${C_CYAN}║${C_RESET}\n" "$ef"
-    printf "  ${C_CYAN}║${C_RESET}  Updates:     %-46s${C_CYAN}║${C_RESET}\n" "$([ "$HAD_UPDATES" = true ] && echo "Yes" || echo "No")"
-    printf "  ${C_CYAN}║${C_RESET}  Nitro build: %-46s${C_CYAN}║${C_RESET}\n" "$([ "$NITRO_BUILT" = true ] && echo "Yes" || echo "No")"
-    printf "  ${C_CYAN}║${C_RESET}  Warnings:    %-46s${C_CYAN}║${C_RESET}\n" "$WARNINGS"
-    [ ${#UPDATED_REPOS[@]} -gt 0 ] && printf "  ${C_CYAN}║${C_RESET}  Repos:       %-46s${C_CYAN}║${C_RESET}\n" "${UPDATED_REPOS[*]}"
+    printf "  ${C_CYAN}║${C_RESET}  $(_t "Duration:")    %-46s${C_CYAN}║${C_RESET}\n" "$ef"
+    printf "  ${C_CYAN}║${C_RESET}  $(_t "Updates:")     %-46s${C_CYAN}║${C_RESET}\n" "$([ "$HAD_UPDATES" = true ] && echo "$(_t "Yes")" || echo "$(_t "No")")"
+    printf "  ${C_CYAN}║${C_RESET}  $(_t "Nitro build:") %-46s${C_CYAN}║${C_RESET}\n" "$([ "$NITRO_BUILT" = true ] && echo "$(_t "Yes")" || echo "$(_t "No")")"
+    printf "  ${C_CYAN}║${C_RESET}  $(_t "Warnings:")    %-46s${C_CYAN}║${C_RESET}\n" "$WARNINGS"
+    [ ${#UPDATED_REPOS[@]} -gt 0 ] && printf "  ${C_CYAN}║${C_RESET}  $(_t "Repos:")       %-46s${C_CYAN}║${C_RESET}\n" "${UPDATED_REPOS[*]}"
     echo -e "  ${C_CYAN}╚══════════════════════════════════════════════════════════════════╝${C_RESET}"
     echo ""
     notify "SUCCESS" "Completed in $ef (${WARNINGS} warnings)"
@@ -718,8 +1300,8 @@ cmd_update() {
     echo ""
     acquire_lock
     DRY_RUN=${DRY_RUN:-false}
-    info "Site: ${NITRO_SITE_URL:-?} | Branch: $NITRO_BRANCH | Mode: ${SELECTIVE_UPDATE:-full}${DRY_RUN:+ [DRY-RUN]}"
-    info "Log: $LOG_FILE"
+    info "Site: %s | Branch: %s | Mode: %s" "${NITRO_SITE_URL:-?}" "$NITRO_BRANCH" "${SELECTIVE_UPDATE:-full}${DRY_RUN:+ [DRY-RUN]}"
+    info "Log: %s" "$LOG_FILE"
     if [ "$DRY_RUN" = true ]; then
         info "Dry-run: would update repos, run DB backups, build, sync configs, cleanup, restart services"
         show_summary
@@ -749,9 +1331,9 @@ cmd_update() {
                 parallel_run "client" update_client
                 parallel_wait
                 if ! parallel_failed; then
-                    warn "Parallel build(s) failed: ${PARALLEL_FAILED[*]} — aborting before restart"
+                    warn "Parallel build(s) failed: %s — aborting before restart" "${PARALLEL_FAILED[*]}"
                     ROLLBACK_NEEDED=true
-                    die "Build failure in: ${PARALLEL_FAILED[*]}"
+                    die "Build failure in: %s" "${PARALLEL_FAILED[*]}"
                 fi
             else
                 info "No repo updates; skipping parallel builds"
@@ -761,6 +1343,7 @@ cmd_update() {
             do_permissions
             do_restart
             RUN_ROLLBACK=false
+            [ -n "$BINARY_BACKUP_DIR" ] && rm -rf "$BINARY_BACKUP_DIR" 2>/dev/null || true
             ;;
     esac
 
@@ -778,7 +1361,7 @@ cmd_backup() {
     spinner_start "Backing up..."
     if $MYSQL_DUMP $MYSQL_CRED --force --skip-lock-tables --routines --events --triggers "$DB_NAME" > "$bf" 2>/dev/null; then
         local sz=$(stat -c%s "$bf" 2>/dev/null || echo 0); spinner_stop ok
-        ok "Backup: $(format_size "$sz") — $(basename "$bf")"
+        ok "Backup: %s — %s" "$(format_size "$sz")" "$(basename "$bf")"
     else
         spinner_stop fail; die "Backup failed"
     fi
@@ -791,16 +1374,16 @@ cmd_restore() {
     while IFS= read -r line; do backups+=("$line"); done < <(list_sorted "$BACKUP_DIR" '*.sql')
     [ ${#backups[@]} -eq 0 ] && die "No backups"
     echo ""
-    echo -e "  ${C_BOLD}${C_CYAN}Backups:${C_RESET}"
+    echo -e "  ${C_BOLD}${C_CYAN}$(_t "Backups:")${C_RESET}"
     local i=1
     for bk in "${backups[@]}"; do
         local sz=$(format_size "$(stat -c%s "$bk" 2>/dev/null || echo 0)")
         printf "    ${C_GREEN}${C_BOLD}%2d)${C_RESET} %-40s ${C_DIM}%s${C_RESET}\n" "$i" "$(basename "$bk")" "$sz"
         i=$((i+1))
     done
-    echo -en "\n  Select [1-$((i-1))]: "
+    echo -en "\n  $(_t "Select") [1-$((i-1))]: "
     local c; read -rt 30 c
-    [[ "$c" =~ ^[0-9]+$ ]] && [ "$c" -ge 1 ] && [ "$c" -le ${#backups[@]} ] || die "Invalid"
+    [[ "$c" =~ ^[0-9]+$ ]] && [ "$c" -ge 1 ] && [ "$c" -le ${#backups[@]} ] || die "$(_t "Invalid")"
     local sel="${backups[$((c-1))]}"
     if ! confirm "Restore $(basename "$sel")? OVERWRITES database!"; then info "Cancelled"; return; fi
     spinner_start "Restoring..."
@@ -819,7 +1402,7 @@ cmd_backups() {
         printf "  ${C_GREEN}%2d${C_RESET}   %-38s ${C_CYAN}%s${C_RESET}\n" "$t" "$n" "$(format_size "$s")"
     done < <(list_sorted "$BACKUP_DIR" '*.sql')
     printf "  ${C_DIM}%s${C_RESET}\n" "$(repeat '─' 56)"
-    echo -e "  ${C_BOLD}Total: $t backups — $(format_size "$ts")${C_RESET}\n"
+    echo -e "  ${C_BOLD}$(_t "Total:") $t $(_t "backups") — $(format_size "$ts")${C_RESET}\n"
 }
 
 # =============================================================================
@@ -869,30 +1452,61 @@ cmd_status() {
 cmd_health() {
     step 1 1 "Health Check"
     local t=0 p=0 f=0 w=0
-    check()  { t=$((t+1)); "$@" &>/dev/null && { p=$((p+1)); ok "$1"; } || { f=$((f+1)); fail "$1"; }; }
-    checkw() { t=$((t+1)); "$@" &>/dev/null && { p=$((p+1)); ok "$1"; } || { w=$((w+1)); warn "$1"; }; }
+    check()  { t=$((t+1)); "$@" &>/dev/null && { p=$((p+1)); ok "$(_t "$1")"; } || { f=$((f+1)); fail "$(_t "$1")"; }; }
+    checkw() { t=$((t+1)); "$@" &>/dev/null && { p=$((p+1)); ok "$(_t "$1")"; } || { w=$((w+1)); warn "$(_t "$1")"; }; }
     echo ""
-    echo -e "  ${C_BOLD}System:${C_RESET}"
+    echo -e "  ${C_BOLD}$(_t "Commands:")${C_RESET}"
     checkw "Git" command -v git; checkw "Node.js" command -v node; checkw "Yarn" command -v yarn
     checkw "Python3" command -v python3; checkw "Java" command -v java; checkw "Maven" command -v mvn
-    echo -e "\n  ${C_BOLD}Directories:${C_RESET}"
+    checkw "MariaDB" command -v "$MYSQL_CLIENT"
+    echo -e "\n  ${C_BOLD}$(_t "Script:")${C_RESET}"
+    checkw "$(_t "Bash syntax")" bash -n "$SCRIPT_DIR/$SCRIPT_NAME"
+    if command -v shellcheck &>/dev/null; then checkw "ShellCheck" shellcheck --quiet "$SCRIPT_DIR/$SCRIPT_NAME"; fi
+    if command -v checkbashisms &>/dev/null; then checkw "$(_t "Bashisms")" checkbashisms "$SCRIPT_DIR/$SCRIPT_NAME"; fi
+    echo -e "\n  ${C_BOLD}$(_t "Configs:")${C_RESET}"
+    checkw "$(_t "Config dir")" test -d "$NITRO_SRC_DIR"
+    local cerr=0
+    for cf in "$NITRO_SRC_DIR"/*.json; do
+        [ -f "$cf" ] || continue
+        python3 -m json.tool "$cf" >/dev/null 2>&1 || cerr=$((cerr+1))
+    done
+    [ "$cerr" -eq 0 ] && ok "$(_t "All JSON valid")" || warn "$(_t "JSON errors:") $cerr"
+    echo -e "\n  ${C_BOLD}$(_t "Config URLs:")${C_RESET}"
+    for key in NITRO_SITE_URL NITRO_API_URL NITRO_SOCKET_URL NITRO_GAMEDATA_URL NITRO_IMAGE_LIBRARY_URL; do
+        local val="${!key}"
+        [ -n "$val" ] && ok "$key" || warn "$key"
+    done
+    echo -e "\n  ${C_BOLD}$(_t "Directories:")${C_RESET}"
     checkw "Emulator" test -d "$EMULATOR_DIR/Emulator"; checkw "Nitro-V3" test -d "$NITRO_CLIENT"; checkw "Renderer" test -d "$NITRO_RENDERER"
-    echo -e "\n  ${C_BOLD}Services:${C_RESET}"
+    checkw "$(_t "Gamedata config")" test -d "$GAMEDATA_CONF_DIR"; checkw "$(_t "Backup dir")" test -d "$BACKUP_DIR"
+    echo -e "\n  ${C_BOLD}$(_t "Services:")${C_RESET}"
     checkw "MariaDB" service_active mariadb; checkw "Nginx" service_active nginx; checkw "Redis" service_active redis-server
-    echo -e "\n  ${C_BOLD}Application:${C_RESET}"
-    checkw "Next.js" test -f "$SCRIPT_DIR/next.config.js" -o -f "$SCRIPT_DIR/next.config.mjs" -o -f "$SCRIPT_DIR/next.config.ts"; checkw ".env" test -f "$SCRIPT_DIR/.env"
-    checkw "Site" timeout 5 curl -sf "${NITRO_SITE_URL:-}" 2>/dev/null
-    echo -e "\n  ${C_BOLD}Resources:${C_RESET}"
+    checkw "$EMULATOR_SERVICE" service_active "$EMULATOR_SERVICE"
+    echo -e "\n  ${C_BOLD}$(_t "Network:")${C_RESET}"
+    checkw "$(_t "Nginx config")" nginx -t 2>/dev/null
+    if command -v redis-cli &>/dev/null; then checkw "Redis PING" redis-cli PING 2>/dev/null; fi
+    checkw "$(_t "Site reachable")" timeout 5 curl -sf "${NITRO_SITE_URL:-}" 2>/dev/null
+    if emulator_port_open; then ok "$(_t "Emulator port open")"; else warn "$(_t "Emulator port closed")"; fi
+    echo -e "\n  ${C_BOLD}$(_t "Databases:")${C_RESET}"
+    checkw "$(_t "MySQL connect")" $MYSQL_CLIENT $MYSQL_CRED -e "SELECT 1" "$DB_NAME" 2>/dev/null
+    local dbt=$($MYSQL_CLIENT $MYSQL_CRED -N -e "SELECT COUNT(*) FROM information_schema.tables WHERE table_schema='$DB_NAME'" "$DB_NAME" 2>/dev/null || echo "?")
+    t=$((t+1)); [ "$dbt" != "?" ] && { p=$((p+1)); ok "$(_t "Tables:") $dbt"; } || { f=$((f+1)); fail "$(_t "Tables:") ?"; }
+    echo -e "\n  ${C_BOLD}$(_t "Resources:")${C_RESET}"
     local ak=$(df --output=avail "$EMULATOR_DIR" 2>/dev/null | tail -1); local ag=$((ak/1024/1024))
-    t=$((t+1)); [ "$ag" -ge "$MIN_DISK_GB" ] && { p=$((p+1)); ok "Disk: ${ag}GB"; } || { f=$((f+1)); fail "Disk: ${ag}GB"; }
+    t=$((t+1)); [ "$ag" -ge "$MIN_DISK_GB" ] && { p=$((p+1)); ok "$(_t "Disk:") ${ag}GB"; } || { f=$((f+1)); fail "$(_t "Disk:") ${ag}GB"; }
+    local mem=$(free -m 2>/dev/null | awk '/^Mem:/{printf "%dMB / %dMB", $3, $2}')
+    t=$((t+1)); ok "$(_t "Memory:") $mem"
+    local load=$(awk '{printf "%.1f", $1}' /proc/loadavg 2>/dev/null || echo "?")
+    local cores=$(nproc 2>/dev/null || echo "?")
+    t=$((t+1)); ok "$(_t "Load:") $load / $cores cores"
     echo ""
     local sc=$((p*100/t))
     box_top "SCORE" 50
     box_kv "Passed:" "$p / $t" 50
     box_kv "Failed:" "$f" 50; box_kv "Warnings:" "$w" 50
-    if [ "$sc" -ge 90 ]; then box_line "${C_GREEN}${C_BOLD}${sc}% — EXCELLENT${C_RESET}" 50
-    elif [ "$sc" -ge 70 ]; then box_line "${C_YELLOW}${C_BOLD}${sc}% — GOOD${C_RESET}" 50
-    else box_line "${C_RED}${C_BOLD}${sc}% — NEEDS ATTENTION${C_RESET}" 50; fi
+    if [ "$sc" -ge 90 ]; then box_line "${C_GREEN}${C_BOLD}${sc}% — $(_t "EXCELLENT")${C_RESET}" 50
+    elif [ "$sc" -ge 70 ]; then box_line "${C_YELLOW}${C_BOLD}${sc}% — $(_t "GOOD")${C_RESET}" 50
+    else box_line "${C_RED}${C_BOLD}${sc}% — $(_t "NEEDS ATTENTION")${C_RESET}" 50; fi
     box_bottom 50; echo ""
 }
 
@@ -902,10 +1516,10 @@ cmd_health() {
 cmd_services() {
     step 1 1 "Service Manager"
     echo ""
-    echo -e "  ${C_BOLD}1)${C_RESET} Start Emulator    ${C_BOLD}2)${C_RESET} Stop Emulator     ${C_BOLD}3)${C_RESET} Restart Emulator"
-    echo -e "  ${C_BOLD}4)${C_RESET} Start Nginx       ${C_BOLD}5)${C_RESET} Restart Nginx      ${C_BOLD}6)${C_RESET} Status All"
-    echo -e "  ${C_BOLD}7)${C_RESET} Emulator Logs     ${C_BOLD}8)${C_RESET} Emulator Journal  ${C_BOLD}0)${C_RESET} Return"
-    echo -en "\n  Select: "; local c; read -rt 30 c
+    echo -e "  ${C_BOLD}1)${C_RESET} $(_t "Start Emulator")    ${C_BOLD}2)${C_RESET} $(_t "Stop Emulator")     ${C_BOLD}3)${C_RESET} $(_t "Restart Emulator")"
+    echo -e "  ${C_BOLD}4)${C_RESET} $(_t "Start Nginx")       ${C_BOLD}5)${C_RESET} $(_t "Restart Nginx")      ${C_BOLD}6)${C_RESET} $(_t "Status All")"
+    echo -e "  ${C_BOLD}7)${C_RESET} $(_t "Emulator Logs")     ${C_BOLD}8)${C_RESET} $(_t "Emulator Journal")  ${C_BOLD}0)${C_RESET} $(_t "Return")"
+    echo -en "\n  $(_t "Select:") "; local c; read -rt 30 c
     case "$c" in
         1) sudo systemctl start "$EMULATOR_SERVICE" && ok "Started" || fail "Failed" ;;
         2) sudo systemctl stop "$EMULATOR_SERVICE" && ok "Stopped" || fail "Failed" ;;
@@ -913,7 +1527,7 @@ cmd_services() {
         4) sudo systemctl start nginx && ok "Started" || fail "Failed" ;;
         5) sudo systemctl restart nginx && ok "Restarted" || fail "Failed" ;;
         6) for s in nginx mariadb redis-server "$EMULATOR_SERVICE" php-fpm cron; do
-               local st="${C_RED}DOWN${C_RESET}"; service_active "$s" && st="${C_GREEN}UP${C_RESET}"
+               local st="${C_RED}$(_t "DOWN")${C_RESET}"; service_active "$s" && st="${C_GREEN}$(_t "UP")${C_RESET}"
                printf "  %-25s %b\n" "$s" "$st"
            done ;;
         7) sudo journalctl -u "$EMULATOR_SERVICE" --no-pager -n 30 ;;
@@ -927,10 +1541,10 @@ cmd_services() {
 cmd_database() {
     step 1 1 "Database Tools"
     echo ""
-    echo -e "  ${C_BOLD}1)${C_RESET} DB Info    ${C_BOLD}2)${C_RESET} List Tables    ${C_BOLD}3)${C_RESET} Table Sizes"
-    echo -e "  ${C_BOLD}4)${C_RESET} Optimize   ${C_BOLD}5)${C_RESET} Custom Query   ${C_BOLD}6)${C_RESET} Active Users"
-    echo -e "  ${C_BOLD}7)${C_RESET} Processlist ${C_BOLD}0)${C_RESET} Return"
-    echo -en "\n  Select: "; local c; read -rt 30 c
+    echo -e "  ${C_BOLD}1)${C_RESET} $(_t "DB Info")    ${C_BOLD}2)${C_RESET} $(_t "List Tables")    ${C_BOLD}3)${C_RESET} $(_t "Table Sizes")"
+    echo -e "  ${C_BOLD}4)${C_RESET} $(_t "Optimize")   ${C_BOLD}5)${C_RESET} $(_t "Custom Query")   ${C_BOLD}6)${C_RESET} $(_t "Active Users")"
+    echo -e "  ${C_BOLD}7)${C_RESET} $(_t "Processlist") ${C_BOLD}0)${C_RESET} $(_t "Return")"
+    echo -en "\n  $(_t "Select:") "; local c; read -rt 30 c
     case "$c" in
         1) box_top "DB INFO" 50
            local dbs=$($MYSQL_CLIENT $MYSQL_CRED -N -e "SELECT ROUND(SUM(data_length+index_length)/1024/1024,1) FROM information_schema.tables WHERE table_schema='$DB_NAME'" "$DB_NAME" 2>/dev/null || echo "?")
@@ -986,7 +1600,7 @@ cmd_logs() {
         printf "  ${C_GREEN}${C_BOLD}%2d)${C_RESET} %-35s ${C_DIM}%s${C_RESET}\n" "$i" "$(basename "$l")" "$sz"
         i=$((i+1))
     done
-    echo -en "\n  Select [1-$((i-1))]: "; local c; read -rt 30 c
+    echo -en "\n  $(_t "Select") [1-$((i-1))]: "; local c; read -rt 30 c
     if [[ "$c" =~ ^[0-9]+$ ]] && [ "$c" -ge 1 ] && [ "$c" -le ${#logs[@]} ]; then
         less -R "${logs[$((c-1))]}" 2>/dev/null || cat "${logs[$((c-1))]}"
     fi
@@ -998,10 +1612,10 @@ cmd_logs() {
 cmd_clean() {
     step 1 1 "Cache Cleanup"
     echo ""
-    echo -e "  ${C_BOLD}1)${C_RESET} Yarn    ${C_BOLD}2)${C_RESET} Next.js   ${C_BOLD}3)${C_RESET} Redis"
-    echo -e "  ${C_BOLD}4)${C_RESET} Logs    ${C_BOLD}5)${C_RESET} Everything ${C_BOLD}6)${C_RESET} Docker"
-    echo -e "  ${C_BOLD}7)${C_RESET} Maven   ${C_BOLD}0)${C_RESET} Return"
-    echo -en "\n  Select: "; local c; read -rt 30 c
+    echo -e "  ${C_BOLD}1)${C_RESET} $(_t "Yarn")    ${C_BOLD}2)${C_RESET} $(_t "Next.js")   ${C_BOLD}3)${C_RESET} $(_t "Redis")"
+    echo -e "  ${C_BOLD}4)${C_RESET} $(_t "Logs")    ${C_BOLD}5)${C_RESET} $(_t "Everything") ${C_BOLD}6)${C_RESET} $(_t "Docker")"
+    echo -e "  ${C_BOLD}7)${C_RESET} $(_t "Maven")   ${C_BOLD}0)${C_RESET} $(_t "Return")"
+    echo -en "\n  $(_t "Select:") "; local c; read -rt 30 c
     case "$c" in
         1) yarn cache clean 2>/dev/null && ok "Yarn cleaned" ;;
         2) cd "$SCRIPT_DIR" && rm -rf .next 2>/dev/null && ok "Next.js cache cleared" ;;
@@ -1019,8 +1633,8 @@ cmd_clean() {
 cmd_gitlog() {
     step 1 1 "Git Commit History"
     echo ""
-    echo -e "  ${C_BOLD}1)${C_RESET} Emulator  ${C_BOLD}2)${C_RESET} Nitro-V3  ${C_BOLD}3)${C_RESET} Renderer"
-    echo -en "\n  Select: "; local c; read -rt 30 c
+    echo -e "  ${C_BOLD}1)${C_RESET} $(_t "Emulator")  ${C_BOLD}2)${C_RESET} $(_t "Nitro-V3")  ${C_BOLD}3)${C_RESET} $(_t "Renderer")"
+    echo -en "\n  $(_t "Select:") "; local c; read -rt 30 c
     local repo=""
     case "$c" in 1) repo="$EMULATOR_DIR/Emulator" ;; 2) repo="$NITRO_CLIENT" ;; 3) repo="$NITRO_RENDERER" ;; *) return ;; esac
     [ ! -d "$repo/.git" ] && { warn "Not a git repo"; return; }
@@ -1029,7 +1643,7 @@ cmd_gitlog() {
     branch=$(cd "$repo" && git branch --show-current 2>/dev/null || echo "?")
     local ahead
     ahead=$(cd "$repo" && git rev-list --count "origin/${branch}"..HEAD 2>/dev/null || echo "0")
-    echo -e "  ${C_BOLD}Last 20 commits on ${C_CYAN}${branch}${C_RESET} (ahead: ${C_RED}${ahead}${C_RESET}):"
+    echo -e "  ${C_BOLD}$(_t "Last 20 commits on") ${C_CYAN}${branch}${C_RESET} ($(_t "ahead:") ${C_RED}${ahead}${C_RESET}):"
     echo ""
     cd "$repo" && git log --pretty=format:"  ${C_CYAN}%h${C_RESET}  %C(yellow)%cr${C_RESET}  %s" -20 2>/dev/null
     echo -e "\n"
@@ -1044,11 +1658,11 @@ cmd_compare() {
     local branches=()
     load_branches branches
     [ ${#branches[@]} -lt 2 ] && { warn "Need 2+ branches (found ${#branches[@]})"; return; }
-    echo -e "  ${C_BOLD}Branches:${C_RESET}"
+    echo -e "  ${C_BOLD}$(_t "Branches:")${C_RESET}"
     local i=1
     for b in "${branches[@]}"; do echo -e "    ${C_GREEN}${C_BOLD}$i)${C_RESET} $b"; i=$((i+1)); done
-    echo -en "\n  Branch A: "; local ba; read -rt 30 ba
-    echo -en "  Branch B: "; local bb; read -rt 30 bb
+    echo -en "\n  $(_t "Branch A:") "; local ba; read -rt 30 ba
+    echo -en "  $(_t "Branch B:") "; local bb; read -rt 30 bb
     [[ "$ba" =~ ^[0-9]+$ ]] && [[ "$bb" =~ ^[0-9]+$ ]] && [ "$ba" -ge 1 ] && [ "$bb" -ge 1 ] && [ "$ba" -le ${#branches[@]} ] && [ "$bb" -le ${#branches[@]} ] || { warn "Invalid"; return; }
     local bA="${branches[$((ba-1))]}" bB="${branches[$((bb-1))]}"
     echo ""
@@ -1059,7 +1673,7 @@ cmd_compare() {
         if git rev-parse --verify "$bA" &>/dev/null && git rev-parse --verify "$bB" &>/dev/null; then
             local ahead=$(git rev-list --count "$bB".."$bA" 2>/dev/null || echo "0")
             local behind=$(git rev-list --count "$bA".."$bB" 2>/dev/null || echo "0")
-            echo -e "    $bA is ${C_GREEN}$ahead${C_RESET} ahead, ${C_YELLOW}$behind${C_RESET} behind $bB"
+            echo -e "    $bA $(_t "is") ${C_GREEN}$ahead${C_RESET} $(_t "ahead,") ${C_YELLOW}$behind${C_RESET} $(_t "behind") $bB"
         fi
     done; echo ""
 }
@@ -1071,17 +1685,17 @@ cmd_schedule() {
     step 1 1 "Cron Scheduler"
     echo ""
     local cc=$(crontab -l 2>/dev/null | grep -F "$SCRIPT_NAME" || echo "")
-    echo -e "  ${C_BOLD}Current:${C_RESET} ${cc:-${C_DIM}none${C_RESET}}"
+    echo -e "  ${C_BOLD}$(_t "Current:")${C_RESET} ${cc:-${C_DIM}$(_t "none")${C_RESET}}"
     echo ""
-    echo -e "  ${C_BOLD}1)${C_RESET} Daily 03:00  ${C_BOLD}2)${C_RESET} Daily 04:00  ${C_BOLD}3)${C_RESET} Weekly Sun 03:00"
-    echo -e "  ${C_BOLD}4)${C_RESET} Custom time  ${C_BOLD}5)${C_RESET} Remove       ${C_BOLD}0)${C_RESET} Return"
-    echo -en "\n  Select: "; local c; read -rt 30 c
+    echo -e "  ${C_BOLD}1)${C_RESET} $(_t "Daily 03:00")  ${C_BOLD}2)${C_RESET} $(_t "Daily 04:00")  ${C_BOLD}3)${C_RESET} $(_t "Weekly Sun 03:00")"
+    echo -e "  ${C_BOLD}4)${C_RESET} $(_t "Custom time")  ${C_BOLD}5)${C_RESET} $(_t "Remove")       ${C_BOLD}0)${C_RESET} $(_t "Return")"
+    echo -en "\n  $(_t "Select:") "; local c; read -rt 30 c
     case "$c" in
         1) (crontab -l 2>/dev/null | grep -vF "$SCRIPT_NAME"; echo "0 3 * * * cd $SCRIPT_DIR && ./$SCRIPT_NAME update --branch $NITRO_BRANCH >> /var/log/nitro-cron.log 2>&1") | crontab - && ok "Scheduled daily 03:00" ;;
         2) (crontab -l 2>/dev/null | grep -vF "$SCRIPT_NAME"; echo "0 4 * * * cd $SCRIPT_DIR && ./$SCRIPT_NAME update --branch $NITRO_BRANCH >> /var/log/nitro-cron.log 2>&1") | crontab - && ok "Scheduled daily 04:00" ;;
         3) (crontab -l 2>/dev/null | grep -vF "$SCRIPT_NAME"; echo "0 3 * * 0 cd $SCRIPT_DIR && ./$SCRIPT_NAME update --branch $NITRO_BRANCH >> /var/log/nitro-cron.log 2>&1") | crontab - && ok "Scheduled weekly" ;;
-        4) echo -en "  Minute [0-59]: "; local m; read -rt 30 m
-           echo -en "  Hour [0-23]: "; local h; read -rt 30 h
+        4) echo -en "  $(_t "Minute") [0-59]: "; local m; read -rt 30 m
+           echo -en "  $(_t "Hour") [0-23]: "; local h; read -rt 30 h
            (crontab -l 2>/dev/null | grep -vF "$SCRIPT_NAME"; echo "$m $h * * * cd $SCRIPT_DIR && ./$SCRIPT_NAME update --branch $NITRO_BRANCH >> /var/log/nitro-cron.log 2>&1") | crontab - && ok "Scheduled $m $h * * *" ;;
         5) crontab -l 2>/dev/null | grep -vF "$SCRIPT_NAME" | crontab - && ok "Removed" ;;
     esac
@@ -1121,7 +1735,7 @@ pick_branch_and_update() {
     local branches=()
     load_branches branches
     echo ""
-    echo -e "  ${C_BOLD}${C_CYAN}Update: ${C_GREEN}$mode_label${C_RESET}"
+    echo -e "  ${C_BOLD}${C_CYAN}$(_t "Update:") ${C_GREEN}$mode_label${C_RESET}"
     echo ""
     local i=1
     for b in "${branches[@]}"; do
@@ -1129,17 +1743,17 @@ pick_branch_and_update() {
         echo -e "    ${C_GREEN}${C_BOLD}$i)${C_RESET} ${C_CYAN}$b${C_RESET}$m"
         i=$((i+1))
     done
-    echo -e "    ${C_GREEN}${C_BOLD}$i)${C_RESET} Custom"
-    echo -en "\n  Branch [1-$i]: "
+    echo -e "    ${C_GREEN}${C_BOLD}$i)${C_RESET} $(_t "Custom")"
+    echo -en "\n  $(_t "Branch") [1-$i]: "
     local bc; read -rt 30 bc
     if [[ "$bc" =~ ^[0-9]+$ ]] && [ "$bc" -ge 1 ] && [ "$bc" -lt "$i" ]; then
         NITRO_BRANCH="${branches[$((bc-1))]}"
     elif [ "$bc" = "$i" ]; then
-        echo -en "  Name: "; read -rt 30 NITRO_BRANCH; [ -z "$NITRO_BRANCH" ] && NITRO_BRANCH="main"
+        echo -en "  $(_t "Name:") "; read -rt 30 NITRO_BRANCH; [ -z "$NITRO_BRANCH" ] && NITRO_BRANCH="main"
     else
-        warn "Invalid, using: $NITRO_BRANCH"
+        warn "Invalid, using: %s" "$NITRO_BRANCH"
     fi
-    echo -e "\n  Branch: ${C_CYAN}${C_BOLD}$NITRO_BRANCH${C_RESET}  Mode: ${C_GREEN}$mode_label${C_RESET}"
+    echo -e "\n  $(_t "Branch:") ${C_CYAN}${C_BOLD}$NITRO_BRANCH${C_RESET}  $(_t "Mode:") ${C_GREEN}$mode_label${C_RESET}"
     if ! confirm "Start update?"; then info "Cancelled"; return; fi
     cmd_update
 }
@@ -1164,39 +1778,39 @@ cmd_interactive() {
         echo -e "  ║  ${C_GOLD}${C_BOLD} SMaRT v${SCRIPT_VERSION} — Emulator / Nitro-V3 / Nitro-V3-Render${C_CYAN}               ║"
         echo -e "  ║  ${C_WHITE}${C_BOLD} Updater & Manager by Remco — epicnabbo.nl${C_CYAN}                          ║"
         echo "  ╠═══════════════════════════════════════════════════════════════════════════╣"
-        echo -e "  ║  ${C_DIM}Branch: ${C_CYAN}${NITRO_BRANCH}${C_DIM} (${#branches[@]} branches)  │  $(date '+%H:%M')${C_CYAN}                            ║"
+        echo -e "  ║  ${C_DIM}$(_t "Branch:") ${C_CYAN}${NITRO_BRANCH}${C_DIM} (${#branches[@]} $(_t "branches"))  │  $(date '+%H:%M')${C_CYAN}                            ║"
         echo "  ╚═══════════════════════════════════════════════════════════════════════════╝"
         echo -e "${C_RESET}"
 
-        echo -e "  ${C_BG_GREEN}${C_WHITE}${C_BOLD}  UPDATE  ${C_RESET}"
-        echo -e "    ${C_GREEN}${C_BOLD}1)${C_RESET}  ${E_ROCKET} Quick Update — current branch"
-        echo -e "    ${C_GREEN}${C_BOLD}2)${C_RESET}  ${E_BOLT} Full Update (choose branch)"
-        echo -e "    ${C_GREEN}${C_BOLD}3)${C_RESET}  ${E_GEAR} Emulator Only"
-        echo -e "    ${C_GREEN}${C_BOLD}4)${C_RESET}  ${E_GEAR} Nitro-V3 Client Only"
-        echo -e "    ${C_GREEN}${C_BOLD}5)${C_RESET}  ${E_GEAR} Renderer Only"
-        echo -e "    ${C_GREEN}${C_BOLD}6)${C_RESET}  ${E_GEAR} Configs Only"
-        echo -e "    ${C_GREEN}${C_BOLD}19)${C_RESET} ${E_BOLT} Dev Mode (skip builds, only configs)"
+        echo -e "  ${C_BG_GREEN}${C_WHITE}${C_BOLD}  $(_t "UPDATE")  ${C_RESET}"
+        echo -e "    ${C_GREEN}${C_BOLD}1)${C_RESET}  ${E_ROCKET} $(_t "Quick Update — current branch")"
+        echo -e "    ${C_GREEN}${C_BOLD}2)${C_RESET}  ${E_BOLT} $(_t "Full Update (choose branch)")"
+        echo -e "    ${C_GREEN}${C_BOLD}3)${C_RESET}  ${E_GEAR} $(_t "Emulator Only")"
+        echo -e "    ${C_GREEN}${C_BOLD}4)${C_RESET}  ${E_GEAR} $(_t "Nitro-V3 Client Only")"
+        echo -e "    ${C_GREEN}${C_BOLD}5)${C_RESET}  ${E_GEAR} $(_t "Renderer Only")"
+        echo -e "    ${C_GREEN}${C_BOLD}6)${C_RESET}  ${E_GEAR} $(_t "Configs Only")"
+        echo -e "    ${C_GREEN}${C_BOLD}19)${C_RESET} ${E_BOLT} $(_t "Dev Mode (skip builds, only configs)")"
         echo ""
-        echo -e "  ${C_BG_MAGENTA}${C_WHITE}${C_BOLD}  TOOLS  ${C_RESET}"
-        echo -e "    ${C_MAGENTA}${C_BOLD}7)${C_RESET}  ${E_GIT} Switch Branch"
-        echo -e "    ${C_YELLOW}${C_BOLD}8)${C_RESET}  ${E_DB} Database"
-        echo -e "    ${C_YELLOW}${C_BOLD}9)${C_RESET}  ${E_SHIELD} Backup / Restore"
-        echo -e "    ${C_YELLOW}${C_BOLD}10)${C_RESET} ${E_WRENCH} Services"
-        echo -e "    ${C_YELLOW}${C_BOLD}11)${C_RESET} ${E_CHART} Status"
-        echo -e "    ${C_YELLOW}${C_BOLD}12)${C_RESET} ${E_HEART} Health Check"
-        echo -e "    ${C_YELLOW}${C_BOLD}13)${C_RESET} ${E_BROOM} Clean"
-        echo -e "    ${C_YELLOW}${C_BOLD}14)${C_RESET} ${E_EYE} Logs"
-        echo -e "    ${C_YELLOW}${C_BOLD}15)${C_RESET} ${E_GEAR} Config"
+        echo -e "  ${C_BG_MAGENTA}${C_WHITE}${C_BOLD}  $(_t "TOOLS")  ${C_RESET}"
+        echo -e "    ${C_MAGENTA}${C_BOLD}7)${C_RESET}  ${E_GIT} $(_t "Switch Branch")"
+        echo -e "    ${C_YELLOW}${C_BOLD}8)${C_RESET}  ${E_DB} $(_t "Database")"
+        echo -e "    ${C_YELLOW}${C_BOLD}9)${C_RESET}  ${E_SHIELD} $(_t "Backup / Restore")"
+        echo -e "    ${C_YELLOW}${C_BOLD}10)${C_RESET} ${E_WRENCH} $(_t "Services")"
+        echo -e "    ${C_YELLOW}${C_BOLD}11)${C_RESET} ${E_CHART} $(_t "Status")"
+        echo -e "    ${C_YELLOW}${C_BOLD}12)${C_RESET} ${E_HEART} $(_t "Health Check")"
+        echo -e "    ${C_YELLOW}${C_BOLD}13)${C_RESET} ${E_BROOM} $(_t "Clean")"
+        echo -e "    ${C_YELLOW}${C_BOLD}14)${C_RESET} ${E_EYE} $(_t "Logs")"
+        echo -e "    ${C_YELLOW}${C_BOLD}15)${C_RESET} ${E_GEAR} $(_t "Config")"
         echo ""
-        echo -e "  ${C_BG_BLUE}${C_WHITE}${C_BOLD}  ADVANCED  ${C_RESET}"
-        echo -e "    ${C_BLUE}${C_BOLD}16)${C_RESET} ${E_CONSOLE} Git Log"
-        echo -e "    ${C_BLUE}${C_BOLD}17)${C_RESET} ${E_GLOBE} Compare Branches"
-        echo -e "    ${C_BLUE}${C_BOLD}18)${C_RESET} ${E_CLOCK} Cron Scheduler"
-        echo -e "    ${C_BLUE}${C_BOLD}20)${C_RESET} ${E_GIT} View Git Stashes"
+        echo -e "  ${C_BG_BLUE}${C_WHITE}${C_BOLD}  $(_t "ADVANCED")  ${C_RESET}"
+        echo -e "    ${C_BLUE}${C_BOLD}16)${C_RESET} ${E_CONSOLE} $(_t "Git Log")"
+        echo -e "    ${C_BLUE}${C_BOLD}17)${C_RESET} ${E_GLOBE} $(_t "Compare Branches")"
+        echo -e "    ${C_BLUE}${C_BOLD}18)${C_RESET} ${E_CLOCK} $(_t "Cron Scheduler")"
+        echo -e "    ${C_BLUE}${C_BOLD}20)${C_RESET} ${E_GIT} $(_t "View Git Stashes")"
         echo ""
-        echo -e "  ${C_RED}${C_BOLD}0)${C_RESET}  Exit"
+        echo -e "  ${C_RED}${C_BOLD}0)${C_RESET}  $(_t "Exit")"
         echo ""
-        echo -en "  ${C_CYAN}${C_BOLD}Select [0-20]${C_RESET}: "
+        echo -en "  ${C_CYAN}${C_BOLD}$(_t "Select [0-20]")${C_RESET}: "
         local choice; read -rt 30 choice
 
         case "$choice" in
@@ -1213,14 +1827,14 @@ cmd_interactive() {
                     local m=""; [ "$b" = "$NITRO_BRANCH" ] && m=" ${C_GREEN}*${C_RESET}"
                     echo -e "    ${C_GREEN}${C_BOLD}$i)${C_RESET} $b$m"; i=$((i+1))
                 done
-                echo -e "    ${C_GREEN}${C_BOLD}$i)${C_RESET} Custom"
-                echo -en "\n  Branch [1-$i]: "; local bc; read -rt 30 bc
+                echo -e "    ${C_GREEN}${C_BOLD}$i)${C_RESET} $(_t "Custom")"
+                echo -en "\n  $(_t "Branch") [1-$i]: "; local bc; read -rt 30 bc
                 if [[ "$bc" =~ ^[0-9]+$ ]] && [ "$bc" -ge 1 ] && [ "$bc" -lt "$i" ]; then
                     NITRO_BRANCH="${branches[$((bc-1))]}"
-                elif [ "$bc" = "$i" ]; then echo -en "  Name: "; read -rt 30 NITRO_BRANCH
+                elif [ "$bc" = "$i" ]; then echo -en "  $(_t "Name:") "; read -rt 30 NITRO_BRANCH
                 fi
                 load_branches branches
-                ok "Branch: $NITRO_BRANCH" ;;
+                ok "Branch: %s" "$NITRO_BRANCH" ;;
             8) (cmd_database) ;;
             9) (cmd_backup); echo ""; (cmd_backups) ;;
             10) (cmd_services) ;;
@@ -1234,12 +1848,12 @@ cmd_interactive() {
             18) (cmd_schedule) ;;
             19) SELECTIVE_UPDATE="dev"; (pick_branch_and_update) || warn "Dev mode had errors" ;;
             20) (cmd_stash) ;;
-            0|q|Q) echo -e "\n  ${C_GREEN}Goodbye!${C_RESET}"; cursor_show; exit 0 ;;
+            0|q|Q) echo -e "\n  ${C_GREEN}$(_t "Goodbye!")${C_RESET}"; cursor_show; exit 0 ;;
             *) warn "Invalid selection" ;;
         esac
 
         echo ""
-        echo -en "  ${C_DIM}Press Enter to continue...${C_RESET}"
+        echo -en "  ${C_DIM}$(_t "Press Enter to continue...")${C_RESET}"
         read -rt 30
     done
 }
@@ -1249,36 +1863,36 @@ cmd_interactive() {
 # =============================================================================
 show_help() {
     echo ""
-    echo -e "  ${C_GOLD}${C_BOLD}SMaRT — Emulator / Nitro-V3 / Nitro-V3-Render Updater & Manager${C_RESET}"
+    echo -e "  ${C_GOLD}${C_BOLD}$(_t "SMaRT — Emulator / Nitro-V3 / Nitro-V3-Render Updater & Manager")${C_RESET}"
     echo -e "  ${C_DIM}by Remco — epicnabbo.nl v${SCRIPT_VERSION} (build ${SCRIPT_BUILD})${C_RESET}"
     echo ""
-    echo -e "  ${C_BOLD}USAGE:${C_RESET}  $SCRIPT_NAME <command> [options]"
+    echo -e "  ${C_BOLD}$(_t "USAGE:")${C_RESET}  $SCRIPT_NAME <command> [options]"
     echo ""
-    echo -e "  ${C_BOLD}COMMANDS:${C_RESET}"
-    echo -e "    ${C_GREEN}interactive${C_RESET}  Open menu (default)"
-    echo -e "    ${C_GREEN}update${C_RESET}       Run update"
-    echo -e "    ${C_GREEN}backup${C_RESET}       Create database backup"
-    echo -e "    ${C_GREEN}restore${C_RESET}      Restore from backup"
-    echo -e "    ${C_GREEN}backups${C_RESET}      List backups"
-    echo -e "    ${C_GREEN}status${C_RESET}       System dashboard"
-    echo -e "    ${C_GREEN}health${C_RESET}       Health check"
-    echo -e "    ${C_GREEN}services${C_RESET}     Service manager"
-    echo -e "    ${C_GREEN}database${C_RESET}     Database tools"
-    echo -e "    ${C_GREEN}config${C_RESET}       Show config"
-    echo -e "    ${C_GREEN}logs${C_RESET}         View logs"
-    echo -e "    ${C_GREEN}clean${C_RESET}        Cache cleanup"
-    echo -e "    ${C_GREEN}gitlog${C_RESET}       Git history"
-    echo -e "    ${C_GREEN}compare${C_RESET}      Branch diff"
-    echo -e "    ${C_GREEN}schedule${C_RESET}     Cron setup"
-    echo -e "    ${C_GREEN}stash${C_RESET}        View git stashes"
+    echo -e "  ${C_BOLD}$(_t "COMMANDS:")${C_RESET}"
+    echo -e "    ${C_GREEN}interactive${C_RESET}  $(_t "Open menu (default)")"
+    echo -e "    ${C_GREEN}update${C_RESET}       $(_t "Run update")"
+    echo -e "    ${C_GREEN}backup${C_RESET}       $(_t "Create database backup")"
+    echo -e "    ${C_GREEN}restore${C_RESET}      $(_t "Restore from backup")"
+    echo -e "    ${C_GREEN}backups${C_RESET}      $(_t "List backups")"
+    echo -e "    ${C_GREEN}status${C_RESET}       $(_t "System dashboard")"
+    echo -e "    ${C_GREEN}health${C_RESET}       $(_t "Health check")"
+    echo -e "    ${C_GREEN}services${C_RESET}     $(_t "Service manager")"
+    echo -e "    ${C_GREEN}database${C_RESET}     $(_t "Database tools")"
+    echo -e "    ${C_GREEN}config${C_RESET}       $(_t "Show config")"
+    echo -e "    ${C_GREEN}logs${C_RESET}         $(_t "View logs")"
+    echo -e "    ${C_GREEN}clean${C_RESET}        $(_t "Cache cleanup")"
+    echo -e "    ${C_GREEN}gitlog${C_RESET}       $(_t "Git history")"
+    echo -e "    ${C_GREEN}compare${C_RESET}      $(_t "Branch diff")"
+    echo -e "    ${C_GREEN}schedule${C_RESET}     $(_t "Cron setup")"
+    echo -e "    ${C_GREEN}stash${C_RESET}        $(_t "View git stashes")"
     echo ""
-    echo -e "  ${C_BOLD}OPTIONS:${C_RESET}"
-    echo -e "    ${C_CYAN}--branch, -b${C_RESET}     Branch (auto-detects)"
-    echo -e "    ${C_CYAN}--url, -u${C_RESET}        Site URL"
-    echo -e "    ${C_CYAN}--only=${C_RESET}          emulator|client|renderer|configs|dev"
-    echo -e "    ${C_CYAN}--dry-run, -n${C_RESET}    Preview only (no changes)"
-    echo -e "    ${C_CYAN}--help, -h${C_RESET}       Show this help"
-    echo -e "    ${C_CYAN}--version, -V${C_RESET}    Show version"
+    echo -e "  ${C_BOLD}$(_t "OPTIONS:")${C_RESET}"
+    echo -e "    ${C_CYAN}--branch, -b${C_RESET}     $(_t "Branch (auto-detects)")"
+    echo -e "    ${C_CYAN}--url, -u${C_RESET}        $(_t "Site URL")"
+    echo -e "    ${C_CYAN}--only=${C_RESET}          $(_t "emulator|client|renderer|configs|dev")"
+    echo -e "    ${C_CYAN}--dry-run, -n${C_RESET}    $(_t "Preview only (no changes)")"
+    echo -e "    ${C_CYAN}--help, -h${C_RESET}       $(_t "Show this help")"
+    echo -e "    ${C_CYAN}--version, -V${C_RESET}    $(_t "Show version")"
     echo ""
 }
 
@@ -1286,6 +1900,7 @@ show_help() {
 #  MAIN
 # =============================================================================
 main() {
+    load_language
     local cmd=""
     while [ $# -gt 0 ]; do
         case "$1" in
@@ -1311,7 +1926,7 @@ main() {
             --url|-u)             shift; NITRO_SITE_URL="$1" ;;
             --only=*)             SELECTIVE_UPDATE="${1#*=}" ;;
             --dry-run|-n)         DRY_RUN=true ;;
-            -*)                   echo "Unknown: $1"; exit 1 ;;
+            -*)                   echo "$(_t "Unknown:") $1"; exit 1 ;;
             *)                    [ -z "$cmd" ] && cmd="interactive" ;;
         esac
         shift