import { assert, describe, it } from "@effect/vitest";import * as Effect from "effect/Effect";import * as FileSystem from "effect/FileSystem";import * as Layer from "effect/Layer";import * as Logger from "effect/Logger";import * as Path from "effect/Path";import * as PlatformError from "effect/PlatformError"; import * as DesktopBackendOutputLog from "./DesktopBackendOutputLog.ts";import * as DesktopConfig from "./DesktopConfig.ts";import * as DesktopEnvironment from "./DesktopEnvironment.ts"; const LOG_FILE_PATH = "/Users/alice/.t3/userdata/logs/server-child.log"; const environmentLayer = DesktopEnvironment.layer({  dirname: "/repo/apps/desktop/dist-electron",  homeDirectory: "/Users/alice",  platform: "darwin",  processArch: "arm64",  appVersion: "1.2.3",  appPath: "/Applications/T3 Code.app/Contents/Resources/app.asar",  isPackaged: true,  resourcesPath: "/Applications/T3 Code.app/Contents/Resources",  runningUnderArm64Translation: false,}).pipe(Layer.provide(Layer.merge(Path.layer, DesktopConfig.layerTest({})))); const withOutputLog = <A, E, R>(  effect: Effect.Effect<A, E, R | DesktopBackendOutputLog.DesktopBackendOutputLog>,  fileSystemLayer: Layer.Layer<FileSystem.FileSystem>,  messages: Array<ReadonlyArray<unknown>>,) => {  const logger = Logger.make(({ message }) => {    messages.push(Array.isArray(message) ? message : [message]);  });  const outputLogLayer = DesktopBackendOutputLog.layer.pipe(    Layer.provide(Layer.mergeAll(fileSystemLayer, Path.layer, environmentLayer)),    Layer.provideMerge(Logger.layer([logger], { mergeWithExisting: false })),  );  return effect.pipe(Effect.provide(outputLogLayer));}; const loggedError = (messages: ReadonlyArray<ReadonlyArray<unknown>>): unknown =>  messages.flat().find((value) => typeof value === "object" && value !== null && "error" in value)    ?.error; describe("DesktopBackendOutputLog", () => {  it.effect("logs setup failures with the log path and exact cause", () => {    const messages: Array<ReadonlyArray<unknown>> = [];    const cause = PlatformError.systemError({      _tag: "PermissionDenied",      module: "FileSystem",      method: "makeDirectory",      pathOrDescriptor: "/Users/alice/.t3/userdata/logs",      description: "private setup diagnostic",    });    const fileSystemLayer = FileSystem.layerNoop({      makeDirectory: () => Effect.fail(cause),    });     return withOutputLog(      Effect.gen(function* () {        const outputLog = yield* DesktopBackendOutputLog.DesktopBackendOutputLog;        yield* outputLog.writeSessionBoundary({ phase: "START", details: "test" });         const error = loggedError(messages);        assert.instanceOf(error, DesktopBackendOutputLog.DesktopBackendOutputLogSetupError);        assert.equal(error.logFilePath, LOG_FILE_PATH);        assert.strictEqual(error.cause, cause);        assert.equal(          error.message,          `Failed to initialize the desktop backend output log at ${LOG_FILE_PATH}.`,        );        assert.notInclude(error.message, "private setup diagnostic");      }),      fileSystemLayer,      messages,    );  });   it.effect("logs record write failures with the operation and exact cause", () => {    const messages: Array<ReadonlyArray<unknown>> = [];    const missingCause = PlatformError.systemError({      _tag: "NotFound",      module: "FileSystem",      method: "stat",      pathOrDescriptor: LOG_FILE_PATH,    });    const writeCause = PlatformError.systemError({      _tag: "PermissionDenied",      module: "FileSystem",      method: "writeFile",      pathOrDescriptor: LOG_FILE_PATH,      description: "private write diagnostic",    });    const fileSystemLayer = FileSystem.layerNoop({      makeDirectory: () => Effect.void,      stat: () => Effect.fail(missingCause),      readDirectory: () => Effect.succeed([]),      writeFile: () => Effect.fail(writeCause),    });     return withOutputLog(      Effect.gen(function* () {        const outputLog = yield* DesktopBackendOutputLog.DesktopBackendOutputLog;        yield* outputLog.writeSessionBoundary({ phase: "START", details: "test" });         const error = loggedError(messages);        assert.instanceOf(error, DesktopBackendOutputLog.DesktopBackendOutputLogWriteError);        assert.equal(error.operation, "write-record");        assert.equal(error.logFilePath, LOG_FILE_PATH);        assert.strictEqual(error.cause, writeCause);        assert.equal(          error.message,          `Desktop backend output log operation "write-record" failed at ${LOG_FILE_PATH}.`,        );        assert.notInclude(error.message, "private write diagnostic");      }),      fileSystemLayer,      messages,    );  });});