const assert = require("node:assert/strict");
const fs = require("node:fs");
const path = require("node:path");
const test = require("node:test");
const vm = require("node:vm");

const ROOT = path.resolve(__dirname, "../..");
const ASSISTANT_SOURCE = fs.readFileSync(
  path.join(ROOT, "apps/web-console/assistant-chat.js"),
  "utf8",
);

class MockClassList {
  constructor() {
    this.values = new Set();
  }

  add(...names) { names.forEach((name) => this.values.add(name)); }
  remove(...names) { names.forEach((name) => this.values.delete(name)); }
  contains(name) { return this.values.has(name); }
  toggle(name, force) {
    const enabled = force === undefined ? !this.values.has(name) : Boolean(force);
    if (enabled) this.values.add(name);
    else this.values.delete(name);
    return enabled;
  }
}

class MockEventTarget {
  constructor() {
    this.listeners = new Map();
  }

  addEventListener(type, listener) {
    const listeners = this.listeners.get(type) || [];
    listeners.push(listener);
    this.listeners.set(type, listeners);
  }

  removeEventListener(type, listener) {
    const listeners = this.listeners.get(type) || [];
    this.listeners.set(type, listeners.filter((candidate) => candidate !== listener));
  }

  dispatchEvent(event) {
    if (!event?.type) throw new TypeError("event.type is required");
    if (!event.target) event.target = this;
    for (const listener of this.listeners.get(event.type) || []) listener.call(this, event);
    return event.defaultPrevented !== true;
  }
}

class MockElement extends MockEventTarget {
  constructor(tagName = "div") {
    super();
    this.attributes = new Map();
    this.children = [];
    this.classList = new MockClassList();
    this.dataset = {};
    this.disabled = false;
    this.hidden = false;
    this.id = "";
    this.innerHTML = "";
    this.parentElement = null;
    this.scrollHeight = 100;
    this.scrollTop = 100;
    this.clientHeight = 100;
    this.style = {};
    this.tagName = tagName.toUpperCase();
    this.textContent = "";
    this.title = "";
    this.value = "";
  }

  get className() { return [...this.classList.values].join(" "); }
  set className(value) {
    this.classList.values = new Set(String(value).split(/\s+/).filter(Boolean));
  }

  append(...nodes) {
    nodes.forEach((node) => {
      this.children.push(node);
      if (node && typeof node === "object") node.parentElement = this;
    });
  }

  closest(selector) {
    if (selector.startsWith("#") && this.id === selector.slice(1)) return this;
    return this.parentElement?.closest?.(selector) || null;
  }
  focus() {}
  matches(selector) {
    if (selector === "button") return this.tagName === "BUTTON";
    if (selector.startsWith(".")) return this.classList.contains(selector.slice(1));
    const dataSelector = selector.match(/^\[data-([a-z-]+)(?:="([^"]*)")?\]$/);
    if (!dataSelector) return false;
    const key = dataSelector[1].replace(/-([a-z])/g, (_match, letter) => letter.toUpperCase());
    if (!(key in this.dataset)) return false;
    return dataSelector[2] === undefined || this.dataset[key] === dataSelector[2];
  }
  querySelector(selector) { return this.querySelectorAll(selector)[0] || null; }
  querySelectorAll(selector) {
    const matches = [];
    const visit = (node) => {
      if (!(node instanceof MockElement)) return;
      if (node.matches(selector)) matches.push(node);
      node.children.forEach(visit);
    };
    this.children.forEach(visit);
    return matches;
  }
  replaceChildren(...nodes) {
    this.children = [];
    this.append(...nodes);
  }
  setAttribute(name, value) { this.attributes.set(name, String(value)); }
  toggleAttribute(name, force) { this[name] = Boolean(force); }
}

function ndjsonResponse(events) {
  const chunks = events.map((event) => Buffer.from(`${JSON.stringify(event)}\n`, "utf8"));
  let index = 0;
  return {
    ok: true,
    status: 200,
    body: {
      getReader() {
        return {
          async cancel() {},
          async read() {
            if (index >= chunks.length) return { done: true, value: undefined };
            return { done: false, value: chunks[index++] };
          },
          releaseLock() {},
        };
      },
    },
  };
}

function createHarness(events) {
  const document = new MockEventTarget();
  const windowEvents = new MockEventTarget();
  const body = new MockElement("body");
  const input = new MockElement("textarea");
  const messages = new MockElement("div");
  const runButton = new MockElement("button");
  const transcript = new MockElement("section");
  input.id = "utterance";
  messages.id = "assistantMessages";
  runButton.id = "runButton";
  transcript.id = "assistantTranscript";
  const selectors = new Map([
    ["#utterance", input],
    ["#assistantMessages", messages],
    ["#runButton", runButton],
    ["#assistantTranscript", transcript],
  ]);
  document.body = body;
  document.createElement = (tagName) => new MockElement(tagName);
  document.createTextNode = (text) => ({ nodeType: 3, textContent: String(text) });
  document.querySelector = (selector) => selectors.get(selector) || null;
  document.querySelectorAll = (selector) => (
    selector === "#assistantMessages [data-message-role]"
      ? [...messages.children]
      : messages.querySelectorAll(selector)
  );

  const storage = new Map();
  const requestCalls = [];
  const completed = [];
  const refreshedModeProfiles = [];
  windowEvents.addEventListener("cognitive-agent:request-complete", (event) => {
    completed.push(event.detail);
  });
  const sandbox = {
    AbortController,
    Buffer,
    CSS: { escape: (value) => String(value) },
    CustomEvent: class CustomEvent {
      constructor(type, options = {}) { this.type = type; this.detail = options.detail; }
    },
    Element: MockElement,
    Event: class Event {
      constructor(type, options = {}) { this.type = type; this.bubbles = options.bubbles === true; }
    },
    HTMLFormElement: class HTMLFormElement extends MockElement {},
    JSON,
    Math,
    Promise,
    TextDecoder,
    Uint8Array,
    clearTimeout,
    console,
    crypto: { randomUUID: () => `runtime-${requestCalls.length}-${messages.children.length}` },
    document,
    localStorage: { getItem: () => null, removeItem() {}, setItem() {} },
    requestAnimationFrame: (callback) => callback(),
    sessionStorage: {
      getItem: (key) => storage.get(key) || null,
      removeItem: (key) => storage.delete(key),
      setItem: (key, value) => storage.set(key, String(value)),
    },
    setTimeout,
    __N7WEB_ASSISTANT_TEST__: true,
  };
  sandbox.window = sandbox;
  sandbox.addEventListener = windowEvents.addEventListener.bind(windowEvents);
  sandbox.removeEventListener = windowEvents.removeEventListener.bind(windowEvents);
  sandbox.dispatchEvent = windowEvents.dispatchEvent.bind(windowEvents);
  sandbox.CognitiveAgentConsole = {
    getExecutionMode: () => "dry_run",
    async refreshModeProfiles(modeProfileId) {
      refreshedModeProfiles.push(modeProfileId);
    },
  };
  sandbox.CognitiveAgentNetwork = {
    async request(url, options) {
      requestCalls.push({ url, options });
      if (url === "/api/mode-profiles" || url.startsWith("/api/mode-profiles/")) {
        return {
          ok: true,
          status: 200,
          async json() {
            return { mode_profile: { id: "mode-saved", name: "午休模式" } };
          },
        };
      }
      return ndjsonResponse(events);
    },
  };
  vm.createContext(sandbox);
  vm.runInContext(ASSISTANT_SOURCE, sandbox, { filename: "assistant-chat.js" });
  return {
    completed,
    input,
    messages,
    refreshedModeProfiles,
    requestCalls,
    sandbox,
  };
}

test("a late NDJSON model error is rendered after an HTTP 200 stream", async () => {
  const publicMessage = "小迪暂时没有响应，请稍后再试。";
  const harness = createHarness([
    { type: "message.accepted", route: "agent", engine: "codex-app-server" },
    { type: "work.started", display_text: "小迪正在理解并处理……" },
    { type: "work.progress", display_text: "小迪正在重新连接……" },
    { type: "error", error: "assistant_model_failed", message: publicMessage },
  ]);
  harness.input.value = "解释一下 CAN FD";

  await harness.sandbox.CognitiveAgentAssistant.submit();

  assert.equal(harness.requestCalls.length, 1);
  assert.equal(harness.requestCalls[0].url, "/api/assistant/stream");
  assert.equal(harness.requestCalls[0].options.method, "POST");
  assert.equal(harness.requestCalls[0].options.headers.Accept, "application/x-ndjson");
  assert.equal(harness.messages.children.length, 2);
  const assistantArticle = harness.messages.children[1];
  assert.equal(assistantArticle.dataset.messageRole, "assistant");
  assert.equal(assistantArticle.dataset.messageContent, publicMessage);
  const actionStatus = assistantArticle.children.at(-1).children.at(-1);
  assert.equal(actionStatus.className, "assistant-action-status failed");
  assert.equal(actionStatus.children.at(-1).textContent, "本次请求未完成");
  assert.equal(harness.completed.length, 1);
  assert.equal(harness.completed[0].error.code, "assistant_model_failed");
  assert.equal(harness.completed[0].error.message, publicMessage);
  assert.equal(harness.completed[0].result, null);
});

test("a completed NDJSON answer remains the authoritative visible response", async () => {
  const harness = createHarness([
    { type: "message.accepted", route: "agent", engine: "codex-app-server" },
    { type: "answer.delta", delta: "流式草稿" },
    { type: "work.completed", success: true, display_text: "小迪已完成" },
    { type: "answer.completed", route: "agent", answer: "最终回答" },
  ]);
  harness.input.value = "普通问题";

  await harness.sandbox.CognitiveAgentAssistant.submit();

  const assistantArticle = harness.messages.children[1];
  assert.equal(assistantArticle.dataset.messageContent, "最终回答");
  assert.equal(harness.completed.length, 1);
  assert.equal(harness.completed[0].error, null);
});

test("unsupported-control suggestions render once and click through as a new command", async () => {
  const suggestions = [
    { id: "climate-on", label: "打开空调", command: "打开空调", domain: "climate" },
    { id: "shade-close", label: "关闭遮阳帘", command: "关闭遮阳帘", domain: "roof" },
    { id: "climate-copy", label: "重复项", command: " 打开   空调 ", domain: "climate" },
  ];
  const events = [
    {
      type: "control.suggestions",
      message_id: "msg-unsupported",
      suggestions,
    },
    {
      type: "answer.completed",
      route: "unsupported_control",
      engine: "n7web-capability-registry",
      answer: "当前车端暂不支持该功能控制哦，您可以尝试以下操作。",
      suggestions,
    },
  ];
  const harness = createHarness(events);
  harness.input.value = "打开后备箱";

  await harness.sandbox.CognitiveAgentAssistant.submit();

  const suggestionGroups = harness.messages.querySelectorAll(".assistant-control-suggestions");
  assert.equal(suggestionGroups.length, 1);
  const buttons = suggestionGroups[0].querySelectorAll("button");
  assert.equal(buttons.length, 2);
  assert.equal(buttons[0].type, "button");
  assert.equal(buttons[0].dataset.suggestionCommand, "打开空调");
  assert.equal(buttons[0].attributes.get("aria-label"), "执行控制指令：打开空调");
  assert.equal(buttons[0].attributes.get("aria-busy"), "false");

  buttons[0].dispatchEvent({ type: "click" });
  buttons[0].dispatchEvent({ type: "click" });
  assert.equal(buttons.every((button) => button.disabled), true);
  await new Promise((resolve) => setTimeout(resolve, 0));
  await new Promise((resolve) => setTimeout(resolve, 0));

  const streamCalls = harness.requestCalls.filter(
    (call) => call.url === "/api/assistant/stream",
  );
  assert.equal(streamCalls.length, 2);
  assert.equal(JSON.parse(streamCalls[1].options.body).message, "打开空调");
  assert.equal(harness.messages.children[2].dataset.messageContent, "打开空调");
  assert.equal(buttons.every((button) => !button.disabled), true);
  assert.equal(buttons[0].attributes.get("aria-busy"), "false");
});

test("answer fallback accepts recommended_commands and caps unsafe suggestion payloads", async () => {
  const harness = createHarness([
    {
      type: "answer.completed",
      route: "unsupported_control",
      answer: "当前车端暂不支持该功能控制哦。",
      recommended_commands: [
        "打开空调",
        { id: "seat", label: "调节座椅", command: "副驾座椅调到80%", domain: "seat" },
        { id: "empty", label: "空指令", command: "" },
        { id: "window", label: "关闭车窗", command: "关闭所有车窗", domain: "window" },
        { id: "light", label: "打开氛围灯", command: "打开氛围灯", domain: "lighting" },
        { id: "extra", label: "不应显示", command: "空调调到25度", domain: "climate" },
      ],
    },
  ]);
  harness.input.value = "打开后备箱";

  await harness.sandbox.CognitiveAgentAssistant.submit();

  const group = harness.messages.querySelector(".assistant-control-suggestions");
  assert.ok(group);
  const buttons = group.querySelectorAll("button");
  assert.equal(buttons.length, 4);
  assert.deepEqual(
    buttons.map((button) => button.dataset.suggestionCommand),
    ["打开空调", "副驾座椅调到80%", "关闭所有车窗", "打开氛围灯"],
  );
  buttons.forEach((button) => {
    assert.equal(button.type, "button");
    assert.match(button.attributes.get("aria-label"), /^执行控制指令：/);
  });
});

test("a natural-language saved-mode update refreshes the mode gallery", async () => {
  const harness = createHarness([
    { type: "message.accepted", route: "mode_profile_management", engine: "n7web-mode-registry" },
    {
      type: "action.completed",
      success: true,
      payload: {
        status: "succeeded",
        execution_mode: "dry_run",
        orchestration_route: "mode_profile_update",
        mode_profile: { id: "mode-reading", name: "阅读模式" },
      },
    },
    { type: "answer.completed", route: "mode_profile_management", answer: "已更新阅读模式。" },
  ]);
  harness.input.value = "把阅读模式中空调温度调整到26度";

  await harness.sandbox.CognitiveAgentAssistant.submit();

  assert.deepEqual(harness.refreshedModeProfiles, ["mode-reading"]);
  const state = harness.messages.querySelectorAll(".assistant-mode-created");
  assert.equal(state.length, 1);
  assert.equal(state[0].children[1].children[0].textContent, "已更新「我的模式」");
});

test("a natural-language saved-mode deletion refreshes the mode gallery", async () => {
  const harness = createHarness([
    { type: "message.accepted", route: "mode_profile_management", engine: "n7web-mode-registry" },
    {
      type: "action.completed",
      success: true,
      payload: {
        status: "succeeded",
        execution_mode: "dry_run",
        orchestration_route: "mode_profile_delete",
        deleted_mode_profile: { id: "mode-reading", name: "阅读模式" },
      },
    },
    { type: "answer.completed", route: "mode_profile_management", answer: "已删除阅读模式。" },
  ]);
  harness.input.value = "删除阅读模式";

  await harness.sandbox.CognitiveAgentAssistant.submit();

  assert.deepEqual(harness.refreshedModeProfiles, [undefined]);
  assert.equal(harness.messages.querySelectorAll(".assistant-mode-created").length, 0);
});

function modeDraftEvents(sourceRequestId, temperatureC) {
  return [
    { type: "message.accepted", route: "vehicle_control", engine: "n7web-mode-builder" },
    {
      type: "action.completed",
      success: true,
      payload: {
        status: "succeeded",
        execution_mode: "dry_run",
        orchestration_route: "mode_profile_create_preview",
        mode_profile_draft: {
          name: "午休模式",
          instruction: `空调调整到${temperatureC}度`,
          operation_count: 1,
          source_request_id: sourceRequestId,
          vehicle_id: "demo-vehicle",
        },
        actions: [{
          domain: "climate",
          capability: "climate.set_temperature",
          target: { zone: "all" },
          parameters: { temperature_c: temperatureC },
        }],
      },
    },
    { type: "answer.completed", route: "vehicle_control", answer: "模式草稿已生成" },
  ];
}

test("a follow-up turn carries only the active authoritative draft reference", async () => {
  const events = modeDraftEvents("req-draft-one", 24);
  const harness = createHarness(events);
  harness.input.value = "构建一个午休模式";
  await harness.sandbox.CognitiveAgentAssistant.submit();

  events.splice(0, events.length,
    { type: "message.accepted", route: "agent", engine: "codex-app-server" },
    { type: "answer.completed", route: "agent", answer: "已收到调整请求" },
  );
  harness.input.value = "把午休模式的空调温度调整到25度";
  await harness.sandbox.CognitiveAgentAssistant.submit();

  const request = JSON.parse(harness.requestCalls[1].options.body);
  assert.equal(request.mode_profile_draft_context.name, "午休模式");
  assert.equal(request.mode_profile_draft_context.source_request_id, "req-draft-one");
  assert.equal(request.mode_profile_draft_context.vehicle_id, "demo-vehicle");
  assert.equal(Object.hasOwn(request.mode_profile_draft_context, "actions"), false);
});

test("the change-into predicate carries only a same-name opaque draft reference", async () => {
  const events = modeDraftEvents("req-draft-change-into", 24);
  const harness = createHarness(events);
  harness.input.value = "构建一个午休模式";
  await harness.sandbox.CognitiveAgentAssistant.submit();

  events.splice(0, events.length,
    { type: "message.accepted", route: "agent", engine: "codex-app-server" },
    { type: "answer.completed", route: "agent", answer: "已处理" },
  );
  harness.input.value = "把午休模式的空调温度变成25度";
  await harness.sandbox.CognitiveAgentAssistant.submit();
  harness.input.value = "午休模式的空调温度变成25度了吗？";
  await harness.sandbox.CognitiveAgentAssistant.submit();
  harness.input.value = "把露营模式的空调温度变成25度";
  await harness.sandbox.CognitiveAgentAssistant.submit();

  const sameMode = JSON.parse(harness.requestCalls[1].options.body);
  const question = JSON.parse(harness.requestCalls[2].options.body);
  const anotherMode = JSON.parse(harness.requestCalls[3].options.body);
  assert.deepEqual(
    Object.keys(sameMode.mode_profile_draft_context).sort(),
    ["name", "source_request_id", "vehicle_id"],
  );
  assert.equal(sameMode.mode_profile_draft_context.name, "午休模式");
  assert.equal(sameMode.mode_profile_draft_context.source_request_id, "req-draft-change-into");
  assert.equal(sameMode.mode_profile_draft_context.vehicle_id, "demo-vehicle");
  assert.equal(Object.hasOwn(question, "mode_profile_draft_context"), false);
  assert.equal(Object.hasOwn(anotherMode, "mode_profile_draft_context"), false);
});

test("shade position rows explain the target opening at semantic boundaries", async () => {
  const positions = [0, 30, 50, 100];
  const events = [
    { type: "message.accepted", route: "vehicle_control", engine: "n7web-mode-builder" },
    {
      type: "action.completed",
      success: true,
      payload: {
        status: "succeeded",
        execution_mode: "dry_run",
        orchestration_route: "mode_profile_create_preview",
        mode_profile_draft: {
          name: "遮阳测试模式",
          instruction: "遮阳帘目标开度测试",
          operation_count: positions.length,
          source_request_id: "req-draft-shade-positions",
          vehicle_id: "demo-vehicle",
        },
        actions: positions.map((position) => ({
          domain: "roof",
          capability: "roof.set_shade_position",
          target: { zone: "vehicle" },
          parameters: { position_pct: position },
        })),
      },
    },
    { type: "answer.completed", route: "vehicle_control", answer: "模式草稿已生成" },
  ];
  const harness = createHarness(events);
  harness.input.value = "构建一个遮阳测试模式";

  await harness.sandbox.CognitiveAgentAssistant.submit();

  const rows = harness.messages.querySelectorAll(".assistant-mode-draft-row");
  assert.equal(rows.length, 4);
  assert.deepEqual(
    rows.map((row) => ({
      label: row.children[1].textContent,
      value: row.children[2].textContent,
    })),
    [
      { label: "遮阳帘", value: "完全关闭（目标开度 0%）" },
      { label: "遮阳帘", value: "目标开度 30%" },
      { label: "遮阳帘", value: "半开（目标开度 50%）" },
      { label: "遮阳帘", value: "完全打开（目标开度 100%）" },
    ],
  );
});

test("ordinary questions and updates for another mode do not carry the draft reference", async () => {
  const events = modeDraftEvents("req-draft-scoped", 24);
  const harness = createHarness(events);
  harness.input.value = "构建一个午休模式";
  await harness.sandbox.CognitiveAgentAssistant.submit();

  events.splice(0, events.length,
    { type: "message.accepted", route: "agent", engine: "codex-app-server" },
    { type: "answer.completed", route: "agent", answer: "普通回答" },
  );
  harness.input.value = "空调制冷原理是什么";
  await harness.sandbox.CognitiveAgentAssistant.submit();
  harness.input.value = "把露营模式的空调温度调整到25度";
  await harness.sandbox.CognitiveAgentAssistant.submit();

  const ordinary = JSON.parse(harness.requestCalls[1].options.body);
  const anotherMode = JSON.parse(harness.requestCalls[2].options.body);
  assert.equal(Object.hasOwn(ordinary, "mode_profile_draft_context"), false);
  assert.equal(Object.hasOwn(anotherMode, "mode_profile_draft_context"), false);
});

test("device action predicates carry context while mode questions stay ordinary", async () => {
  const events = modeDraftEvents("req-draft-actions", 24);
  const harness = createHarness(events);
  harness.input.value = "构建一个午休模式";
  await harness.sandbox.CognitiveAgentAssistant.submit();

  events.splice(0, events.length,
    { type: "message.accepted", route: "agent", engine: "codex-app-server" },
    { type: "answer.completed", route: "agent", answer: "已处理" },
  );
  harness.input.value = "请帮我把午休模式里的遮阳帘关闭";
  await harness.sandbox.CognitiveAgentAssistant.submit();
  harness.input.value = "把午休模式的车窗全关";
  await harness.sandbox.CognitiveAgentAssistant.submit();
  harness.input.value = "午休模式的空调设置有哪些？";
  await harness.sandbox.CognitiveAgentAssistant.submit();

  const deviceAction = JSON.parse(harness.requestCalls[1].options.body);
  const secondDeviceAction = JSON.parse(harness.requestCalls[2].options.body);
  const ordinaryQuestion = JSON.parse(harness.requestCalls[3].options.body);
  assert.equal(deviceAction.mode_profile_draft_context.source_request_id, "req-draft-actions");
  assert.equal(secondDeviceAction.mode_profile_draft_context.source_request_id, "req-draft-actions");
  assert.equal(Object.hasOwn(ordinaryQuestion, "mode_profile_draft_context"), false);
});

test("a replacement draft disables the stale same-name card", async () => {
  const events = modeDraftEvents("req-draft-old", 24);
  const harness = createHarness(events);
  harness.input.value = "构建一个午休模式";
  await harness.sandbox.CognitiveAgentAssistant.submit();

  events.splice(0, events.length, ...modeDraftEvents("req-draft-new", 25));
  harness.input.value = "把午休模式的空调温度调整到25度";
  await harness.sandbox.CognitiveAgentAssistant.submit();

  const oldCard = harness.messages.querySelector(
    '[data-assistant-mode-draft="req-draft-old"]',
  );
  const newCard = harness.messages.querySelector(
    '[data-assistant-mode-draft="req-draft-new"]',
  );
  assert.ok(oldCard);
  assert.ok(newCard);
  assert.equal(oldCard.classList.contains("is-superseded"), true);
  oldCard.querySelectorAll("button").forEach((button) => assert.equal(button.disabled, true));
  assert.equal(
    oldCard.children.at(-1).textContent,
    "已由下方最新草稿替换",
  );
});

test("saving the replacement card uses its latest request and clears follow-up context", async () => {
  const events = modeDraftEvents("req-draft-before-save", 24);
  const harness = createHarness(events);
  harness.input.value = "构建一个午休模式";
  await harness.sandbox.CognitiveAgentAssistant.submit();
  events.splice(0, events.length, ...modeDraftEvents("req-draft-after-edit", 25));
  harness.input.value = "把午休模式的空调温度调整到25度";
  await harness.sandbox.CognitiveAgentAssistant.submit();

  const latestCard = harness.messages.querySelector(
    '[data-assistant-mode-draft="req-draft-after-edit"]',
  );
  latestCard.querySelectorAll("button")[0].dispatchEvent({ type: "click" });
  await new Promise((resolve) => setTimeout(resolve, 0));
  const saveCall = harness.requestCalls.find((call) => call.url === "/api/mode-profiles");
  assert.ok(saveCall);
  assert.equal(JSON.parse(saveCall.options.body).source_request_id, "req-draft-after-edit");

  events.splice(0, events.length,
    { type: "message.accepted", route: "agent", engine: "codex-app-server" },
    { type: "answer.completed", route: "agent", answer: "已保存后的回答" },
  );
  harness.input.value = "把午休模式的空调温度调整到26度";
  await harness.sandbox.CognitiveAgentAssistant.submit();
  const finalStreamCall = harness.requestCalls.filter(
    (call) => call.url === "/api/assistant/stream",
  ).at(-1);
  assert.equal(
    Object.hasOwn(JSON.parse(finalStreamCall.options.body), "mode_profile_draft_context"),
    false,
  );
});

test("starting a new conversation clears the active draft reference", async () => {
  const events = modeDraftEvents("req-draft-reset", 24);
  const harness = createHarness(events);
  harness.input.value = "构建一个午休模式";
  await harness.sandbox.CognitiveAgentAssistant.submit();

  const reset = new MockElement("button");
  reset.id = "newConversation";
  harness.sandbox.document.dispatchEvent({ type: "click", target: reset });
  events.splice(0, events.length,
    { type: "message.accepted", route: "agent", engine: "codex-app-server" },
    { type: "answer.completed", route: "agent", answer: "新的对话" },
  );
  harness.input.value = "普通问题";
  await harness.sandbox.CognitiveAgentAssistant.submit();

  const request = JSON.parse(harness.requestCalls[1].options.body);
  assert.equal(Object.hasOwn(request, "mode_profile_draft_context"), false);
});