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

apps/dev-tool/lib/i18n/with-i18n.tsx

@@ -1,13 +0,0 @@
-import { createI18nServerInstance } from './i18n.server';
-
-type LayoutOrPageComponent<Params> = React.ComponentType<Params>;
-
-export function withI18n<Params extends object>(
-  Component: LayoutOrPageComponent<Params>,
-) {
-  return async function I18nServerComponentWrapper(params: Params) {
-    await createI18nServerInstance();
-
-    return <Component {...params} />;
-  };
-}