Fix console auth: add credentials include for cross-origin cookies

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

packages/console/src/lib/auth-client.ts

@@ -3,6 +3,9 @@ import { organizationClient } from 'better-auth/client/plugins';
 
 export const authClient = createAuthClient({
   baseURL: process.env.NEXT_PUBLIC_API_BASE_URL || 'http://localhost:8787',
+  fetchOptions: {
+    credentials: 'include' as RequestCredentials,
+  },
   plugins: [
     organizationClient(),
   ],