feat: Complete Spanish, French, Portuguese, Chinese localization and add German/Italian support

- Updated all Spanish (es) translation files with comprehensive translations for tracking, AI, family, insights, children, and settings pages
- Updated French (fr), Portuguese (pt), and Chinese (zh) translations to match English structure
- Added German (de) and Italian (it) language support with complete translation files
- Fixed medicine tracker route from /track/medication to /track/medicine
- Updated i18n config to support 7 languages: en, es, fr, pt, zh, de, it
- All tracking pages now fully localized: sleep, feeding, diaper, medicine, activity
- AI assistant interface fully translated with thinking messages and suggested questions
- Family management and insights pages now support all languages

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

maternal-web/locales/de/settings.json

@@ -0,0 +1,147 @@
+{
+  "title": "Einstellungen",
+  "account": {
+    "title": "Konto",
+    "profile": "Profil",
+    "email": "E-Mail",
+    "password": "Passwort",
+    "changePassword": "Passwort ändern",
+    "deleteAccount": "Konto löschen",
+    "confirmDelete": "Sind Sie sicher, dass Sie Ihr Konto löschen möchten? Diese Aktion kann nicht rückgängig gemacht werden."
+  },
+  "preferences": {
+    "title": "Einstellungen",
+    "language": "Sprache",
+    "measurementUnits": "Maßeinheiten",
+    "metric": "Metrisch (kg, cm, °C, ml)",
+    "imperial": "Imperial (lb, in, °F, oz)",
+    "timezone": "Zeitzone",
+    "autoDetectTimezone": "Automatisch erkennen",
+    "timezoneUpdated": "Zeitzone erfolgreich aktualisiert",
+    "timezoneAutoDetected": "Zeitzone automatisch erkannt",
+    "dateFormat": "Datumsformat",
+    "timeFormat": "Zeitformat",
+    "12hour": "12-Stunden-Format",
+    "24hour": "24-Stunden-Format",
+    "timeFormatUpdated": "Zeitformat erfolgreich aktualisiert",
+    "theme": "Design",
+    "light": "Hell",
+    "dark": "Dunkel",
+    "auto": "Automatisch (System)"
+  },
+  "notifications": {
+    "title": "Benachrichtigungen",
+    "push": "Push-Benachrichtigungen",
+    "email": "E-Mail-Benachrichtigungen",
+    "feedingReminders": "Fütterungserinnerungen",
+    "sleepReminders": "Schlaferinnerungen",
+    "milestoneAlerts": "Meilenstein-Benachrichtigungen",
+    "familyUpdates": "Familien-Updates",
+    "aiSuggestions": "KI-Vorschläge"
+  },
+  "privacy": {
+    "title": "Datenschutz & Sicherheit",
+    "dataSharing": "Datenfreigabe",
+    "familyAccess": "Familienzugang",
+    "biometric": "Biometrische Authentifizierung",
+    "enableFaceId": "Face ID aktivieren",
+    "enableTouchId": "Touch ID aktivieren",
+    "enableFingerprint": "Fingerabdruck aktivieren",
+    "dataExport": "Daten exportieren",
+    "downloadData": "Ihre Daten herunterladen"
+  },
+  "family": {
+    "title": "Familie",
+    "members": "Familienmitglieder",
+    "inviteMember": "Mitglied einladen",
+    "removeMember": "Mitglied entfernen",
+    "permissions": "Berechtigungen",
+    "role": "Rolle",
+    "roles": {
+      "admin": "Administrator",
+      "parent": "Elternteil",
+      "caregiver": "Betreuer",
+      "viewer": "Betrachter"
+    }
+  },
+  "children": {
+    "title": "Kinder",
+    "addChild": "Kind hinzufügen",
+    "editChild": "Kind bearbeiten",
+    "removeChild": "Kind entfernen",
+    "name": "Name",
+    "dateOfBirth": "Geburtsdatum",
+    "gender": "Geschlecht",
+    "genders": {
+      "male": "Männlich",
+      "female": "Weiblich",
+      "other": "Andere",
+      "preferNotToSay": "Möchte nicht sagen"
+    }
+  },
+  "subscription": {
+    "title": "Abonnement",
+    "plan": "Aktueller Plan",
+    "free": "Kostenlos",
+    "premium": "Premium",
+    "upgradeToPremium": "Auf Premium upgraden",
+    "manageBilling": "Abrechnung verwalten",
+    "cancelSubscription": "Abonnement kündigen",
+    "renewalDate": "Verlängerungsdatum",
+    "features": {
+      "unlimitedAi": "Unbegrenzte KI-Fragen",
+      "familySync": "Familien-Synchronisation",
+      "advancedAnalytics": "Erweiterte Analysen",
+      "exportReports": "Berichte exportieren",
+      "prioritySupport": "Prioritäts-Support"
+    }
+  },
+  "about": {
+    "title": "Über",
+    "version": "Version",
+    "termsOfService": "Nutzungsbedingungen",
+    "privacyPolicy": "Datenschutzrichtlinie",
+    "helpCenter": "Hilfe-Center",
+    "contactSupport": "Support kontaktieren",
+    "rateApp": "App bewerten",
+    "shareApp": "App teilen"
+  },
+  "profile": {
+    "title": "Profilinformationen",
+    "name": "Name",
+    "nameRequired": "Name darf nicht leer sein",
+    "email": "E-Mail",
+    "emailNotEditable": "E-Mail kann nicht geändert werden"
+  },
+  "appearance": {
+    "title": "Erscheinungsbild",
+    "darkMode": "Dunkler Modus (Demnächst)"
+  },
+  "security": {
+    "title": "Sicherheit"
+  },
+  "sessions": {
+    "title": "Sitzungen"
+  },
+  "deviceTrust": {
+    "title": "Gerätevertrauen"
+  },
+  "biometric": {
+    "title": "Biometrische Authentifizierung"
+  },
+  "dataExport": {
+    "title": "Datenexport"
+  },
+  "accountDeletion": {
+    "title": "Kontolöschung"
+  },
+  "accountActions": {
+    "title": "Kontoaktionen",
+    "logout": "Abmelden"
+  },
+  "save": "Einstellungen speichern",
+  "saving": "Speichern...",
+  "saved": "Einstellungen erfolgreich gespeichert!",
+  "cancel": "Abbrechen",
+  "reset": "Auf Standard zurücksetzen"
+}