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/lib/i18n/config.ts

@@ -12,6 +12,8 @@ import enAuth from '@/locales/en/auth.json';
 import enSettings from '@/locales/en/settings.json';
 import enOnboarding from '@/locales/en/onboarding.json';
 import enErrors from '@/locales/en/errors.json';
+import enFamily from '@/locales/en/family.json';
+import enInsights from '@/locales/en/insights.json';
 
 import esCommon from '@/locales/es/common.json';
 import esDashboard from '@/locales/es/dashboard.json';
@@ -22,6 +24,8 @@ import esAuth from '@/locales/es/auth.json';
 import esSettings from '@/locales/es/settings.json';
 import esOnboarding from '@/locales/es/onboarding.json';
 import esErrors from '@/locales/es/errors.json';
+import esFamily from '@/locales/es/family.json';
+import esInsights from '@/locales/es/insights.json';
 
 import frCommon from '@/locales/fr/common.json';
 import frDashboard from '@/locales/fr/dashboard.json';
@@ -32,6 +36,8 @@ import frAuth from '@/locales/fr/auth.json';
 import frSettings from '@/locales/fr/settings.json';
 import frOnboarding from '@/locales/fr/onboarding.json';
 import frErrors from '@/locales/fr/errors.json';
+import frFamily from '@/locales/fr/family.json';
+import frInsights from '@/locales/fr/insights.json';
 
 import ptCommon from '@/locales/pt/common.json';
 import ptDashboard from '@/locales/pt/dashboard.json';
@@ -42,6 +48,8 @@ import ptAuth from '@/locales/pt/auth.json';
 import ptSettings from '@/locales/pt/settings.json';
 import ptOnboarding from '@/locales/pt/onboarding.json';
 import ptErrors from '@/locales/pt/errors.json';
+import ptFamily from '@/locales/pt/family.json';
+import ptInsights from '@/locales/pt/insights.json';
 
 import zhCommon from '@/locales/zh/common.json';
 import zhDashboard from '@/locales/zh/dashboard.json';
@@ -52,6 +60,32 @@ import zhAuth from '@/locales/zh/auth.json';
 import zhSettings from '@/locales/zh/settings.json';
 import zhOnboarding from '@/locales/zh/onboarding.json';
 import zhErrors from '@/locales/zh/errors.json';
+import zhFamily from '@/locales/zh/family.json';
+import zhInsights from '@/locales/zh/insights.json';
+
+import deCommon from '@/locales/de/common.json';
+import deDashboard from '@/locales/de/dashboard.json';
+import deTracking from '@/locales/de/tracking.json';
+import deChildren from '@/locales/de/children.json';
+import deAi from '@/locales/de/ai.json';
+import deAuth from '@/locales/de/auth.json';
+import deSettings from '@/locales/de/settings.json';
+import deOnboarding from '@/locales/de/onboarding.json';
+import deErrors from '@/locales/de/errors.json';
+import deFamily from '@/locales/de/family.json';
+import deInsights from '@/locales/de/insights.json';
+
+import itCommon from '@/locales/it/common.json';
+import itDashboard from '@/locales/it/dashboard.json';
+import itTracking from '@/locales/it/tracking.json';
+import itChildren from '@/locales/it/children.json';
+import itAi from '@/locales/it/ai.json';
+import itAuth from '@/locales/it/auth.json';
+import itSettings from '@/locales/it/settings.json';
+import itOnboarding from '@/locales/it/onboarding.json';
+import itErrors from '@/locales/it/errors.json';
+import itFamily from '@/locales/it/family.json';
+import itInsights from '@/locales/it/insights.json';
 
 export const resources = {
   en: {
@@ -64,6 +98,8 @@ export const resources = {
     settings: enSettings,
     onboarding: enOnboarding,
     errors: enErrors,
+    family: enFamily,
+    insights: enInsights,
   },
   es: {
     common: esCommon,
@@ -75,6 +111,8 @@ export const resources = {
     settings: esSettings,
     onboarding: esOnboarding,
     errors: esErrors,
+    family: esFamily,
+    insights: esInsights,
   },
   fr: {
     common: frCommon,
@@ -86,6 +124,8 @@ export const resources = {
     settings: frSettings,
     onboarding: frOnboarding,
     errors: frErrors,
+    family: frFamily,
+    insights: frInsights,
   },
   pt: {
     common: ptCommon,
@@ -97,6 +137,8 @@ export const resources = {
     settings: ptSettings,
     onboarding: ptOnboarding,
     errors: ptErrors,
+    family: ptFamily,
+    insights: ptInsights,
   },
   zh: {
     common: zhCommon,
@@ -108,6 +150,34 @@ export const resources = {
     settings: zhSettings,
     onboarding: zhOnboarding,
     errors: zhErrors,
+    family: zhFamily,
+    insights: zhInsights,
+  },
+  de: {
+    common: deCommon,
+    dashboard: deDashboard,
+    tracking: deTracking,
+    children: deChildren,
+    ai: deAi,
+    auth: deAuth,
+    settings: deSettings,
+    onboarding: deOnboarding,
+    errors: deErrors,
+    family: deFamily,
+    insights: deInsights,
+  },
+  it: {
+    common: itCommon,
+    dashboard: itDashboard,
+    tracking: itTracking,
+    children: itChildren,
+    ai: itAi,
+    auth: itAuth,
+    settings: itSettings,
+    onboarding: itOnboarding,
+    errors: itErrors,
+    family: itFamily,
+    insights: itInsights,
   },
 } as const;
 
@@ -119,6 +189,8 @@ export const supportedLanguages = [
   { code: 'fr', name: 'French', nativeName: 'Français' },
   { code: 'pt', name: 'Portuguese', nativeName: 'Português' },
   { code: 'zh', name: 'Chinese', nativeName: '中文' },
+  { code: 'de', name: 'German', nativeName: 'Deutsch' },
+  { code: 'it', name: 'Italian', nativeName: 'Italiano' },
 ] as const;
 
 i18n
@@ -128,7 +200,7 @@ i18n
     resources,
     defaultNS,
     fallbackLng: 'en',
-    supportedLngs: ['en', 'es', 'fr', 'pt', 'zh'],
+    supportedLngs: ['en', 'es', 'fr', 'pt', 'zh', 'de', 'it'],
     interpolation: {
       escapeValue: false, // React already escapes values
     },