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/it/dashboard.json

@@ -0,0 +1,30 @@
+{
+  "welcomeBack": "Bentornato",
+  "welcomeBackWithName": "Bentornato, {{name}}!",
+  "subtitle": "Traccia le attività del tuo bambino e ottieni approfondimenti alimentati da IA",
+  "quickActions": {
+    "title": "Azioni Rapide",
+    "feeding": "Alimentazione",
+    "sleep": "Sonno",
+    "diaper": "Pannolino",
+    "medicine": "Medicina",
+    "activities": "Attività",
+    "aiAssistant": "Assistente IA",
+    "navigateTo": "Naviga a {{action}}"
+  },
+  "summary": {
+    "title": "Riassunto di Oggi",
+    "titleWithChild": "Riassunto di Oggi - {{childName}}",
+    "feedings": "Alimentazioni",
+    "sleep": "Sonno",
+    "diapers": "Pannolini",
+    "medications": "Farmaci",
+    "noChild": "Aggiungi un bambino per iniziare il tracciamento",
+    "noActivities": "Nessuna attività tracciata oggi"
+  },
+  "predictions": {
+    "title": "Prossima Attività Prevista",
+    "napTime": "Ora del pisolino tra {{minutes}} minuti",
+    "basedOnPatterns": "Basato sui modelli di sonno del tuo bambino"
+  }
+}