Closes the customer loop: /start signup → tenant + KC org + IT_ADMIN invite → portal dashboard with trial banner → /[slug]/catalog with Request + Start trial server actions wired to tenant-registry. Refs: M11.1 + M12.1
Closes the customer loop: /start signup → tenant + KC org + IT_ADMIN invite → portal dashboard with trial banner → /[slug]/catalog with Request + Start trial server actions wired to tenant-registry. Refs: M11.1 + M12.1