import { describe, expect, it } from "@effect/vitest"; import { registrationScopes } from "./oauth-client-form"; describe("registrationScopes", () => {  it("sends declared scopes and ignores discovered when declared scopes exist", () => {    // Declared (template) scopes are authoritative — a discovered set never wins.    expect(registrationScopes(["a", "b"], ["x"])).toEqual(["a", "b"]);  });   it("sends discovered scopes when none are declared", () => {    expect(registrationScopes([], ["x", "y"])).toEqual(["x", "y"]);  });   it("uses the current discovered set so a re-Discover replaces a prefilled probe", () => {    // Probe of server A seeds the discovered state; a later Discover of server B    // replaces it. With nothing declared, B's scopes register — not the stale A    // set that arrived via the DCR fallback prefill.    const seededFromProbeA = ["a:read"];    const rediscoveredFromB = ["b:write"];    expect(registrationScopes([], seededFromProbeA)).toEqual(["a:read"]);    expect(registrationScopes([], rediscoveredFromB)).toEqual(["b:write"]);  });   it("returns empty when nothing is declared or discovered", () => {    expect(registrationScopes([], [])).toEqual([]);  });});