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/supabase/src/get-secret-key.ts

@@ -1,9 +1,8 @@
 import 'server-only';
-
-import { z } from 'zod';
+import * as z from 'zod';
 
 const message =
-  'Invalid Supabase Secret Key. Please add the environment variable SUPABASE_SECRET_KEY or SUPABASE_SERVICE_ROLE_KEY.';
+  'Invalid Supabase Secret Key. Please add the environment variable SUPABASE_SECRET_KEY.';
 
 /**
  * @name getSupabaseSecretKey
@@ -13,14 +12,12 @@ const message =
 export function getSupabaseSecretKey() {
   return z
     .string({
-      required_error: message,
+      error: message,
     })
     .min(1, {
       message: message,
     })
-    .parse(
-      process.env.SUPABASE_SECRET_KEY || process.env.SUPABASE_SERVICE_ROLE_KEY,
-    );
+    .parse(process.env.SUPABASE_SECRET_KEY);
 }
 
 /**