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/cms/keystatic/src/create-reader.ts

@@ -1,4 +1,4 @@
-import { z } from 'zod';
+import * as z from 'zod';
 
 import { KeystaticStorage } from './keystatic-storage';
 import { keyStaticConfig } from './keystatic.config';
@@ -51,7 +51,7 @@ function getKeystaticGithubConfiguration() {
   return z
     .object({
       token: z.string({
-        description:
+        error:
           'The GitHub token to use for authentication. Please provide the value through the "KEYSTATIC_GITHUB_TOKEN" environment variable.',
       }),
       repo: z.custom<`${string}/${string}`>(),