Building invite flows that don't have race conditions in SvelteKit + Postgres

Most invite-link implementations look correct in development and break in production. The edge cases aren't exotic — they're the normal concurrency you get when two people click the same link, or when someone clicks an expired token, or when a seat limit is hit between the check and the insert. Here's how I built an invite flow that handles all of... Weiterlesen: Building invite flows that don't have race conditions in SvelteKit + …