Next.js Supabase V3 (#463)

Version 3 of the kit:
- Radix UI replaced with Base UI (using the Shadcn UI patterns)
- next-intl replaces react-i18next
- enhanceAction deprecated; usage moved to next-safe-action
- main layout now wrapped with [locale] path segment
- Teams only mode
- Layout updates
- Zod v4
- Next.js 16.2
- Typescript 6
- All other dependencies updated
- Removed deprecated Edge CSRF
- Dynamic Github Action runner

packages/email-templates/src/emails/account-delete.email.tsx

@@ -29,11 +29,11 @@ export async function renderAccountDeleteEmail(props: Props) {
     namespace,
   });
 
-  const previewText = t(`${namespace}:previewText`, {
+  const previewText = t(`previewText`, {
     productName: props.productName,
   });
 
-  const subject = t(`${namespace}:subject`, {
+  const subject = t(`subject`, {
     productName: props.productName,
   });
 
@@ -54,27 +54,27 @@ export async function renderAccountDeleteEmail(props: Props) {
 
             <EmailContent>
               <Text className="text-[16px] leading-[24px] text-[#242424]">
-                {t(`${namespace}:hello`)}
+                {t(`hello`)}
               </Text>
 
               <Text className="text-[16px] leading-[24px] text-[#242424]">
-                {t(`${namespace}:paragraph1`, {
+                {t(`paragraph1`, {
                   productName: props.productName,
                 })}
               </Text>
 
               <Text className="text-[16px] leading-[24px] text-[#242424]">
-                {t(`${namespace}:paragraph2`)}
+                {t(`paragraph2`)}
               </Text>
 
               <Text className="text-[16px] leading-[24px] text-[#242424]">
-                {t(`${namespace}:paragraph3`, {
+                {t(`paragraph3`, {
                   productName: props.productName,
                 })}
               </Text>
 
               <Text className="text-[16px] leading-[24px] text-[#242424]">
-                {t(`${namespace}:paragraph4`, {
+                {t(`paragraph4`, {
                   productName: props.productName,
                 })}
               </Text>