CLAUDE.md for Scala: 13 Rules That Make AI Write Idiomatic Functional Code

CLAUDE.md for Scala: 13 Rules That Make AI Write Idiomatic Functional Code You ask Claude to "add a Subscription service that calls Stripe" inside your Scala codebase, and you get back something that compiles cleanly and is still wrong: A function that returns null when the user isn't found, inste