import { describe, expect, it } from "vite-plus/test";import * as Schema from "effect/Schema"; import { ProviderDriverKind, ProviderInstanceId } from "./providerInstance.ts";import {  ClientSettingsSchema,  ClientSettingsPatch,  ClaudeSettings,  DEFAULT_SERVER_SETTINGS,  resolveProviderInstanceEnabled,  ServerSettings,  ServerSettingsPatch,} from "./settings.ts"; const decodeClientSettings = Schema.decodeUnknownSync(ClientSettingsSchema);const decodeClientSettingsPatch = Schema.decodeUnknownSync(ClientSettingsPatch);const encodeClientSettings = Schema.encodeSync(ClientSettingsSchema);const decodeServerSettings = Schema.decodeUnknownSync(ServerSettings);const decodeServerSettingsPatch = Schema.decodeUnknownSync(ServerSettingsPatch);const encodeServerSettings = Schema.encodeSync(ServerSettings);const decodeClaudeSettings = Schema.decodeUnknownSync(ClaudeSettings); describe("ServerSettings usage price overrides", () => {  const prices = { inputCostPerMillionTokens: 2, outputCostPerMillionTokens: 8 };   it("defaults to automatic pricing and round-trips arbitrary model IDs", () => {    expect(decodeServerSettings({}).usagePriceOverrides).toEqual({});    const settings = decodeServerSettings({      usagePriceOverrides: { "  vendor/example-model  ": prices },    });    expect(encodeServerSettings(settings).usagePriceOverrides).toEqual({      "vendor/example-model": prices,    });  });   it("accepts zero rates, optional cache rates, and per-model deletion", () => {    const overrides = {      "example-model": {        inputCostPerMillionTokens: 0,        outputCostPerMillionTokens: 0,        cacheReadCostPerMillionTokens: 0.5,        cacheWriteCostPerMillionTokens: 3,      },      "removed-model": null,    };    expect(      decodeServerSettingsPatch({ usagePriceOverrides: overrides }).usagePriceOverrides,    ).toEqual(overrides);  });   it.each([    "inputCostPerMillionTokens",    "outputCostPerMillionTokens",    "cacheReadCostPerMillionTokens",    "cacheWriteCostPerMillionTokens",  ])("rejects invalid %s rates at the settings boundary", (field) => {    for (const value of [-1, Number.NaN, Number.POSITIVE_INFINITY, "2"]) {      const usagePriceOverrides = { "example-model": { ...prices, [field]: value } };      expect(() => decodeServerSettings({ usagePriceOverrides })).toThrow();      expect(() => decodeServerSettingsPatch({ usagePriceOverrides })).toThrow();    }  });   it("rejects empty model IDs and incomplete input/output pricing", () => {    for (const usagePriceOverrides of [      { " ": prices },      { "example-model": { inputCostPerMillionTokens: 2 } },      { "example-model": { outputCostPerMillionTokens: 8 } },    ]) {      expect(() => decodeServerSettingsPatch({ usagePriceOverrides })).toThrow();    }  });}); describe("custom model settings", () => {  const capabilities = {    optionDescriptors: [      {        id: "effort",        label: "Reasoning",        type: "select",        options: [{ id: "high", label: "High", isDefault: true }],      },    ],  };   it("accepts legacy bare slugs alongside full entries", () => {    const decoded = decodeClaudeSettings({      customModels: ["bare-slug", { slug: "named", name: "Named", capabilities }],    });    expect(decoded.customModels).toEqual([      "bare-slug",      { slug: "named", name: "Named", capabilities },    ]);  });   it("accepts entries at the settings patch boundary", () => {    expect(      decodeServerSettingsPatch({        providers: { codex: { customModels: [{ slug: "x", capabilities }] } },      }).providers?.codex?.customModels,    ).toEqual([{ slug: "x", capabilities }]);    expect(() =>      decodeServerSettingsPatch({ providers: { codex: { customModels: [{ name: "no slug" }] } } }),    ).toThrow();  });}); describe("ClaudeSettings auto-compaction", () => {  it("uses Claude's default threshold when no override is configured", () => {    expect(decodeClaudeSettings({}).autoCompactWindow).toBe("");  });   it.each(["100000", "300000", "1000000"])(    "accepts a supported auto-compaction threshold: %s",    (value) => {      expect(decodeClaudeSettings({ autoCompactWindow: value }).autoCompactWindow).toBe(value);    },  );   it.each(["99999", "1000001", "300k", "invalid"])(    "rejects an unsupported auto-compaction threshold: %s",    (value) => {      expect(() => decodeClaudeSettings({ autoCompactWindow: value })).toThrow();    },  );   it("rejects an unsupported threshold at the settings patch boundary", () => {    expect(() =>      decodeServerSettingsPatch({ providers: { claudeAgent: { autoCompactWindow: "300k" } } }),    ).toThrow();    expect(      decodeServerSettingsPatch({ providers: { claudeAgent: { autoCompactWindow: "300000" } } }),    ).toBeDefined();  });}); describe("ClientSettings word wrap", () => {  it("defaults word wrap on", () => {    expect(decodeClientSettings({}).wordWrap).toBe(true);  });   it("ignores obsolete wrapping preferences", () => {    const decoded = decodeClientSettings({      chatWordWrap: false,      diffWordWrap: false,    });     expect(decoded.wordWrap).toBe(true);    expect(decoded).not.toHaveProperty("chatWordWrap");    expect(decoded).not.toHaveProperty("diffWordWrap");  });}); describe("ClientSettings proactive panels", () => {  it("is opt-in and accepts client-local updates", () => {    expect(decodeClientSettings({}).proactivePanelsEnabled).toBe(false);    expect(decodeClientSettingsPatch({ proactivePanelsEnabled: true }).proactivePanelsEnabled).toBe(      true,    );  });}); describe("ClientSettings quit confirmation", () => {  it("defaults to hold", () => {    expect(decodeClientSettings({}).confirmQuit).toBe("hold");  });   it.each(["direct", "hold", "double-click"] as const)("accepts the %s mode", (mode) => {    expect(decodeClientSettings({ confirmQuit: mode }).confirmQuit).toBe(mode);    expect(decodeClientSettingsPatch({ confirmQuit: mode }).confirmQuit).toBe(mode);  });   it.each([    [true, "hold"],    [false, "direct"],  ] as const)("migrates the legacy %s value to %s", (legacyValue, mode) => {    const settings = decodeClientSettings({ confirmQuit: legacyValue });     expect(settings.confirmQuit).toBe(mode);    expect(encodeClientSettings(settings).confirmQuit).toBe(mode);  });   it("rejects legacy booleans at the patch boundary", () => {    expect(() => decodeClientSettingsPatch({ confirmQuit: true })).toThrow();  });}); describe("ClientSettings browser recording frame rate", () => {  it("defaults to 30 fps", () => {    expect(decodeClientSettings({}).browserRecordingFrameRate).toBe(30);  });   it.each([30, 60])("accepts a supported frame rate: %s", (frameRate) => {    expect(      decodeClientSettings({ browserRecordingFrameRate: frameRate }).browserRecordingFrameRate,    ).toBe(frameRate);    expect(      decodeClientSettingsPatch({ browserRecordingFrameRate: frameRate }).browserRecordingFrameRate,    ).toBe(frameRate);  });   it.each([24, 59, 120])("rejects an unsupported frame rate: %s", (frameRate) => {    expect(() => decodeClientSettings({ browserRecordingFrameRate: frameRate })).toThrow();    expect(() => decodeClientSettingsPatch({ browserRecordingFrameRate: frameRate })).toThrow();  });}); describe("ClientSettings glass opacity", () => {  it("defaults to a readable translucent surface", () => {    expect(decodeClientSettings({}).glassOpacity).toBe(80);  });   it.each([39, 101, 72.5])("rejects an invalid glass opacity: %s", (value) => {    expect(() => decodeClientSettings({ glassOpacity: value })).toThrow();    expect(() => decodeClientSettingsPatch({ glassOpacity: value })).toThrow();  });   it.each([40, 75, 100])("accepts a glass opacity within the supported range: %s", (value) => {    expect(decodeClientSettings({ glassOpacity: value }).glassOpacity).toBe(value);    expect(decodeClientSettingsPatch({ glassOpacity: value }).glassOpacity).toBe(value);  });}); describe("ClientSettings appearance contrast", () => {  it("defaults to the theme's original contrast", () => {    expect(decodeClientSettings({}).appearanceContrast).toBe(100);  });   it.each([49, 201, 92.5])("rejects an invalid appearance contrast: %s", (value) => {    expect(() => decodeClientSettings({ appearanceContrast: value })).toThrow();    expect(() => decodeClientSettingsPatch({ appearanceContrast: value })).toThrow();  });   it.each([50, 100, 150, 200])("accepts an appearance contrast in range: %s", (value) => {    expect(decodeClientSettings({ appearanceContrast: value }).appearanceContrast).toBe(value);    expect(decodeClientSettingsPatch({ appearanceContrast: value }).appearanceContrast).toBe(value);  });}); describe("ClientSettings panel animations", () => {  it("defaults to instant changes", () => {    expect(decodeClientSettings({}).panelAnimationDurationMs).toBe(0);  });   it.each([0, 400])("accepts a panel animation duration: %s", (value) => {    expect(decodeClientSettingsPatch({ panelAnimationDurationMs: value })).toEqual({      panelAnimationDurationMs: value,    });  });   it.each([-1, 401, 150.5])("rejects an invalid panel animation duration: %s", (value) => {    expect(() => decodeClientSettingsPatch({ panelAnimationDurationMs: value })).toThrow();  });}); describe("ClientSettings environment identification", () => {  it("defaults to artwork and accepts each presentation mode", () => {    expect(decodeClientSettings({}).environmentIdentificationMode).toBe("artwork");     for (const mode of ["artwork", "pill", "none"] as const) {      expect(        decodeClientSettingsPatch({ environmentIdentificationMode: mode })          .environmentIdentificationMode,      ).toBe(mode);    }  });   it("rejects unsupported presentation modes", () => {    expect(() => decodeClientSettings({ environmentIdentificationMode: "badge" })).toThrow();    expect(() => decodeClientSettingsPatch({ environmentIdentificationMode: "badge" })).toThrow();  });}); describe("ClientSettings sidebar", () => {  it("defaults to the current sidebar", () => {    expect(decodeClientSettings({}).legacySidebarEnabled).toBe(false);  });   it("drops the retired sidebar v2 beta keys, resetting everyone to the default", () => {    const decoded = decodeClientSettings({      sidebarV2Enabled: false,      sidebarV2ConfiguredByUser: true,    });    expect(decoded.legacySidebarEnabled).toBe(false);    expect(decoded).not.toHaveProperty("sidebarV2Enabled");    expect(decoded).not.toHaveProperty("sidebarV2ConfiguredByUser");  });   it("preserves an explicit legacy sidebar opt-in", () => {    expect(decodeClientSettings({ legacySidebarEnabled: true }).legacySidebarEnabled).toBe(true);    expect(decodeClientSettingsPatch({ legacySidebarEnabled: true }).legacySidebarEnabled).toBe(      true,    );  });   it("keeps unpin confirmation opt-in and patchable", () => {    expect(decodeClientSettings({}).confirmThreadUnpin).toBe(false);    expect(decodeClientSettingsPatch({ confirmThreadUnpin: true }).confirmThreadUnpin).toBe(true);    expect(() => decodeClientSettingsPatch({ confirmThreadUnpin: "yes" })).toThrow();  });}); describe("ClientSettings context window meter", () => {  it("defaults off and preserves an explicit legacy opt-in", () => {    expect(decodeClientSettings({}).contextWindowMeterEnabled).toBe(false);    expect(      decodeClientSettings({ contextWindowMeterEnabled: true }).contextWindowMeterEnabled,    ).toBe(true);    expect(      decodeClientSettingsPatch({ contextWindowMeterEnabled: true }).contextWindowMeterEnabled,    ).toBe(true);  });}); describe("ClientSettings composer collapse", () => {  it("collapses on blur and scroll by default and accepts opting out of each", () => {    const defaults = decodeClientSettings({});    expect(defaults.composerCollapseOnBlur).toBe(true);    expect(defaults.composerCollapseOnScroll).toBe(true);     const blurOff = decodeClientSettings({ composerCollapseOnBlur: false });    expect(blurOff.composerCollapseOnBlur).toBe(false);    expect(blurOff.composerCollapseOnScroll).toBe(true);     expect(      decodeClientSettingsPatch({ composerCollapseOnScroll: false }).composerCollapseOnScroll,    ).toBe(false);  });}); describe("ServerSettings thread settlement", () => {  it("defaults merge settlement on and inactivity settlement to three days", () => {    const settings = decodeServerSettings({});    expect(settings.sidebarAutoSettleAfterDays).toBe(3);    expect(settings.sidebarAutoSettleOnMerge).toBe(true);  });   it("allows both automatic rules to be disabled", () => {    expect(      decodeServerSettings({        sidebarAutoSettleAfterDays: null,        sidebarAutoSettleOnMerge: false,      }),    ).toMatchObject({ sidebarAutoSettleAfterDays: null, sidebarAutoSettleOnMerge: false });    expect(      decodeServerSettingsPatch({        sidebarAutoSettleAfterDays: null,        sidebarAutoSettleOnMerge: false,      }),    ).toMatchObject({ sidebarAutoSettleAfterDays: null, sidebarAutoSettleOnMerge: false });  });   it.each([-1, 0, 91])("rejects an auto-settle threshold outside 1..90: %s", (value) => {    expect(() => decodeServerSettings({ sidebarAutoSettleAfterDays: value })).toThrow();    expect(() => decodeServerSettingsPatch({ sidebarAutoSettleAfterDays: value })).toThrow();  });}); describe("ServerSettings.providerInstances (slice-2 invariant)", () => {  it("defaults text generation to Luna at low reasoning effort", () => {    expect(DEFAULT_SERVER_SETTINGS.textGenerationModelSelection).toEqual({      instanceId: ProviderInstanceId.make("codex"),      model: "gpt-5.6-luna",      options: [{ id: "reasoningEffort", value: "low" }],    });  });   it("defaults to an empty record so legacy configs without the key still decode", () => {    expect(DEFAULT_SERVER_SETTINGS.providerInstances).toEqual({});  });   it("decodes a fully empty config (legacy on-disk shape) without complaint", () => {    const decoded = decodeServerSettings({});    expect(decoded.providerInstances).toEqual({});    // Legacy `providers` struct is still hydrated with its per-driver defaults    // so existing call sites keep working through the migration.    expect(decoded.providers.codex.enabled).toBe(true);  });   it("decodes a multi-instance map mixing first-party and fork drivers", () => {    const decoded = decodeServerSettings({      providerInstances: {        codex_personal: {          driver: "codex",          displayName: "Codex (personal)",          config: { homePath: "~/.codex_personal" },        },        codex_work: {          driver: "codex",          config: { homePath: "~/.codex_work" },        },        ollama_local: {          driver: "ollama",          displayName: "Ollama (local)",          config: { endpoint: "http://localhost:11434" },        },      },    });    const personalId = ProviderInstanceId.make("codex_personal");    const workId = ProviderInstanceId.make("codex_work");    const ollamaId = ProviderInstanceId.make("ollama_local");     expect(decoded.providerInstances[personalId]?.driver).toBe("codex");    expect(decoded.providerInstances[workId]?.config).toEqual({ homePath: "~/.codex_work" });    // Critical: a config naming a driver this build does not know about    // (`ollama` is not in `ProviderDriverKind`) must round-trip without loss.    // The runtime handles "driver not installed" — the schema must not.    expect(decoded.providerInstances[ollamaId]?.driver).toBe("ollama");    expect(decoded.providerInstances[ollamaId]?.config).toEqual({      endpoint: "http://localhost:11434",    });  });   it("rejects instance keys that violate the slug pattern", () => {    expect(() =>      decodeServerSettings({        providerInstances: { "1bad": { driver: "codex" } },      }),    ).toThrow();  });}); describe("provider enabled defaults", () => {  it("enables only the stable bindings by default", () => {    const decoded = decodeServerSettings({});    expect(decoded.providers.codex.enabled).toBe(true);    expect(decoded.providers.claudeAgent.enabled).toBe(true);    expect(decoded.providers.cursor.enabled).toBe(false);    expect(decoded.providers.grok.enabled).toBe(false);    expect(decoded.providers.opencode.enabled).toBe(false);  });   it("keeps Cursor enabled when an existing user explicitly opted in", () => {    const cursor = ProviderDriverKind.make("cursor");    const cursorId = ProviderInstanceId.make("cursor");    const decoded = decodeServerSettings({      providers: { cursor: { enabled: true } },      providerInstances: {        [cursorId]: { driver: cursor, enabled: true, config: {} },      },    });     expect(decoded.providers.cursor.enabled).toBe(true);    expect(resolveProviderInstanceEnabled(decoded.providerInstances[cursorId]!)).toBe(true);  });   it("resolves instance enabled state with explicit false winning", () => {    const grok = ProviderDriverKind.make("grok");    const codex = ProviderDriverKind.make("codex");    // No flags anywhere: driver default applies.    expect(resolveProviderInstanceEnabled({ driver: grok, config: {} })).toBe(false);    expect(resolveProviderInstanceEnabled({ driver: codex, config: {} })).toBe(true);    // Unknown fork drivers stay enabled.    expect(      resolveProviderInstanceEnabled({ driver: ProviderDriverKind.make("ollama"), config: {} }),    ).toBe(true);    // Envelope flag wins over the driver default.    expect(resolveProviderInstanceEnabled({ driver: grok, enabled: true, config: {} })).toBe(true);    expect(resolveProviderInstanceEnabled({ driver: codex, enabled: false, config: {} })).toBe(      false,    );    // Legacy in-config flag fills in when the envelope is silent.    expect(resolveProviderInstanceEnabled({ driver: grok, config: { enabled: true } })).toBe(true);    // Conflicting flags: the explicit false wins, whichever side it is on.    expect(      resolveProviderInstanceEnabled({ driver: grok, enabled: true, config: { enabled: false } }),    ).toBe(false);    expect(      resolveProviderInstanceEnabled({ driver: codex, enabled: false, config: { enabled: true } }),    ).toBe(false);  });}); describe("ServerSettings worktree defaults", () => {  it("defaults start-from-origin on for legacy configs", () => {    expect(decodeServerSettings({}).newWorktreesStartFromOrigin).toBe(true);  });   it("accepts start-from-origin updates", () => {    expect(      decodeServerSettingsPatch({ newWorktreesStartFromOrigin: false }).newWorktreesStartFromOrigin,    ).toBe(false);  });}); describe("ServerSettings.sourceControlWritingStyle", () => {  it("defaults all style settings for legacy configs", () => {    const settings = decodeServerSettings({});     expect(settings.sourceControlWritingStyle).toEqual({      mode: "repo_conventions",      customInstructions: "",      followChangeRequestTemplates: true,    });    expect(settings.sourceControlWriterModelSelection).toBeNull();  });   it("trims partial style updates", () => {    const patch = decodeServerSettingsPatch({

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