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/pt/auth.json

@@ -1,88 +1,88 @@
 {
   "login": {
-    "title": "Welcome Back",
-    "subtitle": "Sign in to your account",
-    "email": "Email",
-    "password": "Password",
-    "rememberMe": "Remember me",
-    "forgotPassword": "Forgot password?",
-    "submit": "Sign In",
-    "noAccount": "Don't have an account?",
-    "signUp": "Sign up",
-    "or": "Or",
-    "continueWithGoogle": "Continue with Google",
-    "continueWithApple": "Continue with Apple",
+    "title": "Bem-vindo de Volta",
+    "subtitle": "Entre na sua conta",
+    "email": "E-mail",
+    "password": "Senha",
+    "rememberMe": "Lembrar de mim",
+    "forgotPassword": "Esqueceu a senha?",
+    "submit": "Entrar",
+    "noAccount": "Não tem uma conta?",
+    "signUp": "Cadastre-se",
+    "or": "Ou",
+    "continueWithGoogle": "Continuar com Google",
+    "continueWithApple": "Continuar com Apple",
     "biometric": {
-      "useFaceId": "Use Face ID",
-      "useTouchId": "Use Touch ID",
-      "useFingerprint": "Use Fingerprint"
+      "useFaceId": "Usar Face ID",
+      "useTouchId": "Usar Touch ID",
+      "useFingerprint": "Usar Impressão Digital"
     }
   },
   "signup": {
-    "title": "Create Account",
-    "subtitle": "Join Maternal today",
-    "name": "Full Name",
-    "email": "Email",
-    "password": "Password",
-    "confirmPassword": "Confirm Password",
-    "agreeToTerms": "I agree to the {{termsLink}} and {{privacyLink}}",
-    "termsOfService": "Terms of Service",
-    "privacyPolicy": "Privacy Policy",
-    "submit": "Create Account",
-    "hasAccount": "Already have an account?",
-    "signIn": "Sign in",
-    "or": "Or",
-    "continueWithGoogle": "Continue with Google",
-    "continueWithApple": "Continue with Apple"
+    "title": "Criar Conta",
+    "subtitle": "Junte-se ao Maternal hoje",
+    "name": "Nome Completo",
+    "email": "E-mail",
+    "password": "Senha",
+    "confirmPassword": "Confirmar Senha",
+    "agreeToTerms": "Concordo com os {{termsLink}} e a {{privacyLink}}",
+    "termsOfService": "Termos de Serviço",
+    "privacyPolicy": "Política de Privacidade",
+    "submit": "Criar Conta",
+    "hasAccount": "Já tem uma conta?",
+    "signIn": "Entrar",
+    "or": "Ou",
+    "continueWithGoogle": "Continuar com Google",
+    "continueWithApple": "Continuar com Apple"
   },
   "forgotPassword": {
-    "title": "Reset Password",
-    "subtitle": "Enter your email to receive a reset link",
-    "email": "Email",
-    "submit": "Send Reset Link",
-    "backToLogin": "Back to login",
-    "success": "Reset link sent! Check your email.",
-    "checkEmail": "We've sent a password reset link to {{email}}"
+    "title": "Redefinir Senha",
+    "subtitle": "Digite seu e-mail para receber um link de redefinição",
+    "email": "E-mail",
+    "submit": "Enviar Link de Redefinição",
+    "backToLogin": "Voltar ao login",
+    "success": "Link de redefinição enviado! Verifique seu e-mail.",
+    "checkEmail": "Enviamos um link de redefinição de senha para {{email}}"
   },
   "resetPassword": {
-    "title": "Create New Password",
-    "subtitle": "Enter your new password",
-    "password": "New Password",
-    "confirmPassword": "Confirm Password",
-    "submit": "Reset Password",
-    "success": "Password reset successfully!",
-    "backToLogin": "Back to login"
+    "title": "Criar Nova Senha",
+    "subtitle": "Digite sua nova senha",
+    "password": "Nova Senha",
+    "confirmPassword": "Confirmar Senha",
+    "submit": "Redefinir Senha",
+    "success": "Senha redefinida com sucesso!",
+    "backToLogin": "Voltar ao login"
   },
   "verification": {
-    "title": "Verify Your Email",
-    "subtitle": "We've sent a verification code to {{email}}",
-    "code": "Verification Code",
-    "submit": "Verify",
-    "resend": "Resend Code",
-    "resendIn": "Resend in {{seconds}}s",
-    "success": "Email verified successfully!",
-    "didNotReceive": "Didn't receive the code?"
+    "title": "Verifique seu E-mail",
+    "subtitle": "Enviamos um código de verificação para {{email}}",
+    "code": "Código de Verificação",
+    "submit": "Verificar",
+    "resend": "Reenviar Código",
+    "resendIn": "Reenviar em {{seconds}}s",
+    "success": "E-mail verificado com sucesso!",
+    "didNotReceive": "Não recebeu o código?"
   },
   "errors": {
-    "invalidEmail": "Please enter a valid email address",
-    "invalidPassword": "Password must be at least 8 characters",
-    "passwordMismatch": "Passwords do not match",
-    "emailRequired": "Email is required",
-    "passwordRequired": "Password is required",
-    "nameRequired": "Name is required",
-    "termsRequired": "You must agree to the terms and privacy policy",
-    "invalidCredentials": "Invalid email or password",
-    "emailExists": "An account with this email already exists",
-    "weakPassword": "Password is too weak. Please use a stronger password.",
-    "networkError": "Network error. Please try again.",
-    "unknownError": "An error occurred. Please try again."
+    "invalidEmail": "Por favor, digite um endereço de e-mail válido",
+    "invalidPassword": "A senha deve ter pelo menos 8 caracteres",
+    "passwordMismatch": "As senhas não coincidem",
+    "emailRequired": "E-mail é obrigatório",
+    "passwordRequired": "Senha é obrigatória",
+    "nameRequired": "Nome é obrigatório",
+    "termsRequired": "Você deve concordar com os termos e política de privacidade",
+    "invalidCredentials": "E-mail ou senha inválidos",
+    "emailExists": "Já existe uma conta com este e-mail",
+    "weakPassword": "A senha é muito fraca. Por favor, use uma senha mais forte.",
+    "networkError": "Erro de rede. Por favor, tente novamente.",
+    "unknownError": "Ocorreu um erro. Por favor, tente novamente."
   },
   "passwordRequirements": {
-    "title": "Password must contain:",
-    "minLength": "At least 8 characters",
-    "uppercase": "At least one uppercase letter",
-    "lowercase": "At least one lowercase letter",
-    "number": "At least one number",
-    "special": "At least one special character"
+    "title": "A senha deve conter:",
+    "minLength": "Pelo menos 8 caracteres",
+    "uppercase": "Pelo menos uma letra maiúscula",
+    "lowercase": "Pelo menos uma letra minúscula",
+    "number": "Pelo menos um número",
+    "special": "Pelo menos um caractere especial"
   }
-}
+}