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/web/app/[locale]/home/[account]/_lib/server/team-account-billing-page.loader.ts

@@ -0,0 +1,22 @@
+import 'server-only';
+import { cache } from 'react';
+
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+import { createTeamAccountsApi } from '@kit/team-accounts/api';
+
+/**
+ * @name loadTeamAccountBillingPage
+ * @description Load the team account billing page data for the given account.
+ */
+export const loadTeamAccountBillingPage = cache(teamAccountBillingPageLoader);
+
+function teamAccountBillingPageLoader(accountId: string) {
+  const client = getSupabaseServerClient();
+  const api = createTeamAccountsApi(client);
+
+  const subscription = api.getSubscription(accountId);
+  const order = api.getOrder(accountId);
+  const customerId = api.getCustomerId(accountId);
+
+  return Promise.all([subscription, order, customerId]);
+}

apps/web/app/[locale]/home/[account]/_lib/server/team-account-workspace.loader.ts

@@ -0,0 +1,46 @@
+import 'server-only';
+import { cache } from 'react';
+
+import { redirect } from 'next/navigation';
+
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+import { createTeamAccountsApi } from '@kit/team-accounts/api';
+
+import pathsConfig from '~/config/paths.config';
+import { requireUserInServerComponent } from '~/lib/server/require-user-in-server-component';
+
+export type TeamAccountWorkspace = Awaited<
+  ReturnType<typeof loadTeamWorkspace>
+>;
+
+/**
+ * Load the account workspace data.
+ * We place this function into a separate file so it can be reused in multiple places across the server components.
+ *
+ * This function is used in the layout component for the account workspace.
+ * It is cached so that the data is only fetched once per request.
+ *
+ * @param accountSlug
+ */
+export const loadTeamWorkspace = cache(workspaceLoader);
+
+async function workspaceLoader(accountSlug: string) {
+  const client = getSupabaseServerClient();
+  const api = createTeamAccountsApi(client);
+
+  const [workspace, user] = await Promise.all([
+    api.getAccountWorkspace(accountSlug),
+    requireUserInServerComponent(),
+  ]);
+
+  // we cannot find any record for the selected account
+  // so we redirect the user to the home page
+  if (!workspace.data?.account) {
+    return redirect(pathsConfig.app.home);
+  }
+
+  return {
+    ...workspace.data,
+    user,
+  };
+}