import { describe, expect, it } from "@effect/vitest"; import {  domainLabelFromUrl,  pascalCaseDomainLabel,  sourceDisplayNameFromUrl,} from "./source-identity"; describe("source identity URL display names", () => {  it("uses the apex domain label without the public suffix", () => {    expect(domainLabelFromUrl("https://api.example.co.uk/graphql")).toBe("example");  });   it("normalizes domain labels to PascalCase", () => {    expect(pascalCaseDomainLabel("my-api")).toBe("MyApi");  });   it("appends the source kind to the PascalCase domain label", () => {    expect(sourceDisplayNameFromUrl("https://mcp.linear.app/sse", "MCP")).toBe("Linear MCP");    expect(sourceDisplayNameFromUrl("https://api.shopify.com/graphql", "GraphQL")).toBe(      "Shopify GraphQL",    );  });});