import { type ServerConfig, type ServerLifecycleWelcomePayload } from "@t3tools/contracts";import { describe, expect, it } from "@effect/vitest";import * as Option from "effect/Option"; import { applyServerConfigProjection, projectServerWelcome } from "./server.ts"; const CONFIG = {  availableEditors: [],  issues: [],  keybindings: {},  keybindingsConfigPath: null,  observability: null,  providers: [],  settings: {},} as unknown as ServerConfig; describe("server state projection", () => {  it("applies every config category to the projected snapshot", () => {    const snapshot = applyServerConfigProjection(Option.none(), {      version: 1,      type: "snapshot",      config: CONFIG,    });    const settings = { ...CONFIG.settings };    const projected = applyServerConfigProjection(snapshot, {      version: 1,      type: "settingsUpdated",      payload: { settings },    });     const result = Option.getOrThrow(projected);    expect(result.config.settings).toBe(settings);    expect(result.latestEvent.type).toBe("settingsUpdated");  });   it("retains welcome when a ready event follows in the same stream chunk", () => {    const welcome = {      environment: {} as ServerLifecycleWelcomePayload["environment"],      cwd: "/repo",      projectName: "repo",    } as ServerLifecycleWelcomePayload;    const [afterWelcome] = projectServerWelcome(Option.none(), {      type: "welcome",      payload: welcome,    });    const [afterReady, emitted] = projectServerWelcome(afterWelcome, {      type: "ready",      payload: {},    });     expect(Option.getOrThrow(afterReady)).toBe(welcome);    expect(emitted).toEqual([]);  });});