import * as NodeServices from "@effect/platform-node/NodeServices";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 Option from "effect/Option";import * as Schema from "effect/Schema"; import * as DesktopConfig from "../app/DesktopConfig.ts";import * as DesktopEnvironment from "../app/DesktopEnvironment.ts";import * as DesktopAppSettings from "./DesktopAppSettings.ts"; const DesktopSettingsPatch = Schema.Struct({  linuxPasswordStore: Schema.optionalKey(    Schema.Literals(["auto", "gnome-libsecret", "kwallet", "kwallet5", "kwallet6"]),  ),  mainWindowBounds: Schema.optionalKey(    Schema.NullOr(      Schema.Struct({        x: Schema.Number,        y: Schema.Number,        width: Schema.Number,        height: Schema.Number,      }),    ),  ),  mainWindowMaximized: Schema.optionalKey(Schema.Boolean),  serverExposureMode: Schema.optionalKey(Schema.Literals(["local-only", "network-accessible"])),  tailscaleServeEnabled: Schema.optionalKey(Schema.Boolean),  tailscaleServePort: Schema.optionalKey(Schema.Number),  updateChannel: Schema.optionalKey(Schema.Literals(["latest", "nightly"])),  updateChannelConfiguredByUser: Schema.optionalKey(Schema.Boolean),  wslBackendEnabled: Schema.optionalKey(Schema.Boolean),  wslMode: Schema.optionalKey(Schema.Literals(["local", "wsl"])),  wslDistro: Schema.optionalKey(Schema.NullOr(Schema.String)),  wslOnly: Schema.optionalKey(Schema.Boolean),}); const decodeDesktopSettingsPatch = Schema.decodeEffect(Schema.fromJsonString(DesktopSettingsPatch));const encodeDesktopSettingsPatch = Schema.encodeEffect(Schema.fromJsonString(DesktopSettingsPatch)); function makeEnvironmentLayer(baseDir: string, appVersion = "0.0.17") {  return DesktopEnvironment.layer({    dirname: "/repo/apps/desktop/src",    homeDirectory: baseDir,    platform: "darwin",    processArch: "x64",    appVersion,    appPath: "/repo",    isPackaged: true,    resourcesPath: "/missing/resources",    runningUnderArm64Translation: false,  }).pipe(    Layer.provide(      Layer.mergeAll(NodeServices.layer, DesktopConfig.layerTest({ T3CODE_HOME: baseDir })),    ),  );} const withSettings = <A, E, R>(  effect: Effect.Effect<    A,    E,    R | DesktopAppSettings.DesktopAppSettings | DesktopEnvironment.DesktopEnvironment  >,  options?: { readonly appVersion?: string },) =>  Effect.gen(function* () {    const fileSystem = yield* FileSystem.FileSystem;    const baseDir = yield* fileSystem.makeTempDirectoryScoped({      prefix: "t3-desktop-settings-test-",    });    return yield* effect.pipe(      Effect.provide(        DesktopAppSettings.layer.pipe(          Layer.provideMerge(makeEnvironmentLayer(baseDir, options?.appVersion)),          Layer.provideMerge(NodeServices.layer),        ),      ),    );  }).pipe(Effect.provide(NodeServices.layer), Effect.scoped); function writeSettingsPatch(patch: typeof DesktopSettingsPatch.Type) {  return Effect.gen(function* () {    const environment = yield* DesktopEnvironment.DesktopEnvironment;    const fileSystem = yield* FileSystem.FileSystem;    const encoded = yield* encodeDesktopSettingsPatch(patch);    yield* fileSystem.makeDirectory(environment.stateDir, { recursive: true });    yield* fileSystem.writeFileString(environment.desktopSettingsPath, `${encoded}\n`);  });} describe("DesktopSettings", () => {  it.effect("loads defaults when no settings file exists", () =>    withSettings(      Effect.gen(function* () {        const settings = yield* DesktopAppSettings.DesktopAppSettings;        assert.deepEqual(yield* settings.load, DesktopAppSettings.DEFAULT_DESKTOP_SETTINGS);        assert.deepEqual(yield* settings.get, DesktopAppSettings.DEFAULT_DESKTOP_SETTINGS);      }),    ),  );   it("defaults packaged nightly builds to the nightly update channel", () => {    assert.deepEqual(      DesktopAppSettings.resolveDefaultDesktopSettings("0.0.17-nightly.20260415.1"),      {        linuxPasswordStore: "auto",        mainWindowBounds: null,        mainWindowMaximized: false,        serverExposureMode: "local-only",        tailscaleServeEnabled: false,        tailscaleServePort: 443,        updateChannel: "nightly",        updateChannelConfiguredByUser: false,        wslBackendEnabled: false,        wslOnly: false,        wslDistro: null,      } satisfies DesktopAppSettings.DesktopSettings,    );  });   it.effect("loads persisted settings and applies semantic updates", () =>    withSettings(      Effect.gen(function* () {        const settings = yield* DesktopAppSettings.DesktopAppSettings;        yield* writeSettingsPatch({          linuxPasswordStore: "gnome-libsecret",          serverExposureMode: "network-accessible",          tailscaleServeEnabled: true,          tailscaleServePort: 8443,          updateChannel: "latest",          updateChannelConfiguredByUser: true,        });         assert.deepEqual(yield* settings.load, {          linuxPasswordStore: "gnome-libsecret",          mainWindowBounds: null,          mainWindowMaximized: false,          serverExposureMode: "network-accessible",          tailscaleServeEnabled: true,          tailscaleServePort: 8443,          updateChannel: "latest",          updateChannelConfiguredByUser: true,          wslBackendEnabled: false,          wslOnly: false,          wslDistro: null,        } satisfies DesktopAppSettings.DesktopSettings);         const exposure = yield* settings.setServerExposureMode("local-only");        assert.isTrue(exposure.changed);        assert.equal(exposure.settings.serverExposureMode, "local-only");         const tailscale = yield* settings.setTailscaleServe({          enabled: true,          port: Option.some(9443),        });        assert.isTrue(tailscale.changed);        assert.equal(tailscale.settings.tailscaleServePort, 9443);         const updateChannel = yield* settings.setUpdateChannel("nightly");        assert.isTrue(updateChannel.changed);        assert.equal(updateChannel.settings.updateChannel, "nightly");        assert.equal(updateChannel.settings.updateChannelConfiguredByUser, true);      }),    ),  );   it.effect("reports the failed desktop settings write operation and path", () =>    withSettings(      Effect.gen(function* () {        const environment = yield* DesktopEnvironment.DesktopEnvironment;        const fileSystem = yield* FileSystem.FileSystem;        const settings = yield* DesktopAppSettings.DesktopAppSettings;        yield* fileSystem.makeDirectory(environment.desktopSettingsPath, { recursive: true });         const error = yield* settings.setServerExposureMode("network-accessible").pipe(Effect.flip);        assert.instanceOf(error, DesktopAppSettings.DesktopSettingsWriteError);        assert.equal(error.operation, "replace-settings-file");        assert.equal(error.path, environment.desktopSettingsPath);        assert.exists(error.cause);        assert.equal(          error.message,          `Desktop settings write failed during replace-settings-file at ${environment.desktopSettingsPath}.`,        );      }),    ),  );   it.effect("does not persist no-op semantic updates", () =>    withSettings(      Effect.gen(function* () {        const settings = yield* DesktopAppSettings.DesktopAppSettings;         const exposure = yield* settings.setServerExposureMode("local-only");        assert.isFalse(exposure.changed);         const tailscale = yield* settings.setTailscaleServe({          enabled: false,          port: Option.none(),        });        assert.isFalse(tailscale.changed);         const updateChannel = yield* settings.setUpdateChannel("latest");        assert.isFalse(updateChannel.changed);        assert.equal(updateChannel.settings.updateChannelConfiguredByUser, false);      }),    ),  );   it.effect("falls back to defaults when the settings file is malformed", () =>    withSettings(      Effect.gen(function* () {        const environment = yield* DesktopEnvironment.DesktopEnvironment;        const fileSystem = yield* FileSystem.FileSystem;        const settings = yield* DesktopAppSettings.DesktopAppSettings;        yield* fileSystem.makeDirectory(environment.stateDir, { recursive: true });        yield* fileSystem.writeFileString(environment.desktopSettingsPath, "{not-json");         assert.deepEqual(yield* settings.load, DesktopAppSettings.DEFAULT_DESKTOP_SETTINGS);      }),    ),  );   it.effect("loads lenient persisted desktop settings JSON", () =>    withSettings(      Effect.gen(function* () {        const environment = yield* DesktopEnvironment.DesktopEnvironment;        const fileSystem = yield* FileSystem.FileSystem;        const settings = yield* DesktopAppSettings.DesktopAppSettings;        yield* fileSystem.makeDirectory(environment.stateDir, { recursive: true });        yield* fileSystem.writeFileString(          environment.desktopSettingsPath,          `{            // JSONC-style comments and trailing commas match server settings parsing.            "serverExposureMode": "network-accessible",            "tailscaleServeEnabled": true,            "tailscaleServePort": 8443,            "mainWindowBounds": { "x": 120, "y": 80, "width": 1280, "height": 900 },          }\n`,        );         assert.deepEqual(yield* settings.load, {          linuxPasswordStore: "auto",          mainWindowBounds: { x: 120, y: 80, width: 1280, height: 900 },          mainWindowMaximized: false,          serverExposureMode: "network-accessible",          tailscaleServeEnabled: true,          tailscaleServePort: 8443,          updateChannel: "latest",          updateChannelConfiguredByUser: false,          wslBackendEnabled: false,          wslOnly: false,          wslDistro: null,        } satisfies DesktopAppSettings.DesktopSettings);      }),    ),  );   it.effect("rejects window bounds that do not satisfy the domain schema", () =>    withSettings(      Effect.gen(function* () {        const settings = yield* DesktopAppSettings.DesktopAppSettings;        yield* writeSettingsPatch({          mainWindowBounds: { x: 10.5, y: 20, width: 839, height: 620 },          mainWindowMaximized: true,          serverExposureMode: "network-accessible",        });         const loaded = yield* settings.load;        assert.isNull(loaded.mainWindowBounds);        assert.isFalse(loaded.mainWindowMaximized);        assert.equal(loaded.serverExposureMode, "network-accessible");      }),    ),  );   it.effect(    "normalizes unsupported linux password-store values without dropping other settings",    () =>      withSettings(        Effect.gen(function* () {          const environment = yield* DesktopEnvironment.DesktopEnvironment;          const fileSystem = yield* FileSystem.FileSystem;          const settings = yield* DesktopAppSettings.DesktopAppSettings;          yield* fileSystem.makeDirectory(environment.stateDir, { recursive: true });          yield* fileSystem.writeFileString(            environment.desktopSettingsPath,            `{            "linuxPasswordStore": "unsupported-store",            "serverExposureMode": "network-accessible",            "tailscaleServeEnabled": true,            "tailscaleServePort": 8443,            "updateChannel": "nightly",            "updateChannelConfiguredByUser": true          }\n`,          );           assert.deepEqual(yield* settings.load, {            linuxPasswordStore: "auto",            mainWindowBounds: null,            mainWindowMaximized: false,            serverExposureMode: "network-accessible",            tailscaleServeEnabled: true,            tailscaleServePort: 8443,            updateChannel: "nightly",            updateChannelConfiguredByUser: true,            wslBackendEnabled: false,            wslOnly: false,            wslDistro: null,          } satisfies DesktopAppSettings.DesktopSettings);        }),      ),  );   it.effect("persists sparse desktop settings documents", () =>    withSettings(      Effect.gen(function* () {        const environment = yield* DesktopEnvironment.DesktopEnvironment;        const fileSystem = yield* FileSystem.FileSystem;        const settings = yield* DesktopAppSettings.DesktopAppSettings;         yield* settings.setMainWindowBounds({ x: -1200, y: 40, width: 1440, height: 960 }, true);        yield* settings.setServerExposureMode("network-accessible");         const persisted = yield* decodeDesktopSettingsPatch(          yield* fileSystem.readFileString(environment.desktopSettingsPath),        );        assert.deepEqual(persisted, {          mainWindowBounds: { x: -1200, y: 40, width: 1440, height: 960 },          mainWindowMaximized: true,          serverExposureMode: "network-accessible",        } satisfies typeof DesktopSettingsPatch.Type);      }),    ),  );   it.effect("migrates legacy implicit update channels to the runtime default", () =>    withSettings(      Effect.gen(function* () {        const settings = yield* DesktopAppSettings.DesktopAppSettings;        yield* writeSettingsPatch({          serverExposureMode: "local-only",          updateChannel: "latest",        });         assert.deepEqual(yield* settings.load, {          linuxPasswordStore: "auto",          mainWindowBounds: null,          mainWindowMaximized: false,          serverExposureMode: "local-only",          tailscaleServeEnabled: false,          tailscaleServePort: 443,          updateChannel: "nightly",          updateChannelConfiguredByUser: false,          wslBackendEnabled: false,          wslOnly: false,          wslDistro: null,        } satisfies DesktopAppSettings.DesktopSettings);      }),      { appVersion: "0.0.17-nightly.20260415.1" },    ),  );   it.effect("preserves explicit stable update channel on nightly builds", () =>    withSettings(      Effect.gen(function* () {        const settings = yield* DesktopAppSettings.DesktopAppSettings;        yield* writeSettingsPatch({          serverExposureMode: "local-only",          updateChannel: "latest",          updateChannelConfiguredByUser: true,        });         assert.deepEqual(yield* settings.load, {          linuxPasswordStore: "auto",          mainWindowBounds: null,          mainWindowMaximized: false,          serverExposureMode: "local-only",          tailscaleServeEnabled: false,          tailscaleServePort: 443,          updateChannel: "latest",          updateChannelConfiguredByUser: true,          wslBackendEnabled: false,          wslOnly: false,          wslDistro: null,        } satisfies DesktopAppSettings.DesktopSettings);      }),      { appVersion: "0.0.17-nightly.20260415.1" },    ),  );   it.effect("normalizes invalid persisted Tailscale Serve ports", () =>    withSettings(      Effect.gen(function* () {        const settings = yield* DesktopAppSettings.DesktopAppSettings;        yield* writeSettingsPatch({          tailscaleServeEnabled: true,          tailscaleServePort: 0,        });         assert.deepEqual(yield* settings.load, {          linuxPasswordStore: "auto",          mainWindowBounds: null,          mainWindowMaximized: false,          serverExposureMode: "local-only",          tailscaleServeEnabled: true,          tailscaleServePort: 443,          updateChannel: "latest",          updateChannelConfiguredByUser: false,          wslBackendEnabled: false,          wslOnly: false,          wslDistro: null,        } satisfies DesktopAppSettings.DesktopSettings);      }),    ),  );   it.effect("persists wsl backend toggle and normalizes invalid distro names", () =>    withSettings(      Effect.gen(function* () {        const settings = yield* DesktopAppSettings.DesktopAppSettings;        const enable = yield* settings.setWslBackendEnabled(true);        assert.isTrue(enable.changed);        assert.equal(enable.settings.wslBackendEnabled, true);         const distro = yield* settings.setWslDistro("Ubuntu-22.04");        assert.isTrue(distro.changed);        assert.equal(distro.settings.wslDistro, "Ubuntu-22.04");         const reloaded = yield* settings.load;        assert.equal(reloaded.wslBackendEnabled, true);        assert.equal(reloaded.wslDistro, "Ubuntu-22.04");         const reject = yield* settings.setWslDistro("bad name!");        assert.equal(reject.settings.wslDistro, null);         const noop = yield* settings.setWslDistro(null);        assert.isFalse(noop.changed);      }),    ),  );   it.effect("applies WSL Windows fallback with persisted and volatile updates", () =>    withSettings(      Effect.gen(function* () {        const settings = yield* DesktopAppSettings.DesktopAppSettings;        yield* settings.setWslBackendEnabled(true);        yield* settings.setWslOnly(true);         const persistedFallback = yield* settings.applyWslWindowsFallback;        assert.isTrue(persistedFallback.changed);        assert.equal(persistedFallback.settings.wslBackendEnabled, false);        assert.equal(persistedFallback.settings.wslOnly, false);         const persistedReload = yield* settings.load;        assert.equal(persistedReload.wslBackendEnabled, false);        assert.equal(persistedReload.wslOnly, false);         yield* settings.setWslBackendEnabled(true);        yield* settings.setWslOnly(true);         const volatileFallback = yield* settings.applyWslWindowsFallbackInMemory;        assert.isTrue(volatileFallback.changed);        assert.equal(volatileFallback.settings.wslBackendEnabled, false);        assert.equal(volatileFallback.settings.wslOnly, false);         const current = yield* settings.get;        assert.equal(current.wslBackendEnabled, false);        assert.equal(current.wslOnly, false);         const diskReload = yield* settings.load;        assert.equal(diskReload.wslBackendEnabled, true);        assert.equal(diskReload.wslOnly, true);      }),    ),  );   it.effect("migrates legacy wslMode=wsl to wslBackendEnabled on load", () =>    withSettings(      Effect.gen(function* () {        const settings = yield* DesktopAppSettings.DesktopAppSettings;        yield* writeSettingsPatch({          wslMode: "wsl",          wslDistro: "Ubuntu-22.04",        });        const loaded = yield* settings.load;        assert.equal(loaded.wslBackendEnabled, true);        assert.equal(loaded.wslDistro, "Ubuntu-22.04");      }),    ),  );   it.effect("drops invalid persisted wsl distro values on load", () =>    withSettings(      Effect.gen(function* () {        const settings = yield* DesktopAppSettings.DesktopAppSettings;        yield* writeSettingsPatch({          wslBackendEnabled: true,          wslDistro: "bad/name",

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