validation in some areas, maybe move this to schema later

pnpm-lock.yaml

@@ -864,6 +864,10 @@ importers:
         version: 4.105.0(@cloudflare/workers-types@4.20260630.1)
 
   packages/domain:
+    dependencies:
+      isemail:
+        specifier: ^3.2.0
+        version: 3.2.0
     devDependencies:
       '@cloudflare/workers-types':
         specifier: 4.20260630.1
@@ -3174,6 +3178,10 @@ packages:
     resolution: {integrity: sha512-rbku49cWloU5bSMI+zaRaXdQHXnthP6DZ/vLnfdSKyL4zUzuWnomtOEiZZOd+ioQ+avFo/qau3KPTc7Fjy1uPA==}
     engines: {node: '>=12'}
 
+  isemail@3.2.0:
+    resolution: {integrity: sha512-zKqkK+O+dGqevc93KNsbZ/TqTUFd46MwWjYOoMrjIMZ51eU7DtQG3Wmd9SQQT7i7RVnuTPEiYEWHU3MSbxC1Tg==}
+    engines: {node: '>=4.0.0'}
+
   jiti@2.6.1:
     resolution: {integrity: sha512-ekilCSN1jwRvIbgeg/57YFh8qQDNbwDb9xT/qu2DAHbFFZUicIl4ygVaAvzveMhMVr3LnpSKTNnwt8PoOfmKhQ==}
     hasBin: true
@@ -3542,6 +3550,10 @@ packages:
   property-information@7.2.0:
     resolution: {integrity: sha512-IAtzIB6sUiWaJYrX9smp3V46pBGbBeLFRGdh25kg1334VcBlD8HzhPeNIWQH9zhGmo2itIe25EHt9dQP7G5hmg==}
 
+  punycode@2.3.1:
+    resolution: {integrity: sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==}
+    engines: {node: '>=6'}
+
   quansync@0.2.11:
     resolution: {integrity: sha512-AifT7QEbW9Nri4tAwR5M/uzpBuqfZf+zwaEM/QkzEjj7NBuFD2rBuy0K3dE+8wltbezDV7JMA0WfnCPYRSYbXA==}
 
@@ -6154,6 +6166,10 @@ snapshots:
 
   is-regexp@3.1.0: {}
 
+  isemail@3.2.0:
+    dependencies:
+      punycode: 2.3.1
+
   jiti@2.6.1:
     optional: true
 
@@ -6677,6 +6693,8 @@ snapshots:
 
   property-information@7.2.0: {}
 
+  punycode@2.3.1: {}
+
   quansync@0.2.11: {}
 
   radix-vue@1.9.17(vue@3.5.40(typescript@6.0.3)):