352 lines
13 KiB
JavaScript
352 lines
13 KiB
JavaScript
const LLM_TOKEN_API = "http://llm.wisdompulse.cn/api/request-token";
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const LLM_WORKSPACES_API = "http://llm.wisdompulse.cn/api/workspaces";
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const LLM_STREAM_API_BASE = "http://llm.wisdompulse.cn/api/workspace";
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const LLM_TOKEN_EXPIRE_MS = 23 * 60 * 60 * 1000;
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async function resolveJumpLinks(titles) {
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if (!titles || titles.length === 0) return {};
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return new Promise((resolveOuter) => {
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chrome.storage.local.get(["token"], async (res) => {
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const token = res.token;
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if (!token) {
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console.warn("resolveJumpLinks 缺少 token，跳过");
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return resolveOuter({});
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}
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try {
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const res = await fetch("http://app.wisdompulse.cn/search/file-path", {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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"Authorization": token
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},
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body: JSON.stringify({ fileNames: titles })
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});
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const data = await res.json();
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const map = {};
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for (const title of Object.keys(data)) {
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if (data[title]) {
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const cleanPath = data[title].replace(/\.md$/, ".html");
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map[title] = `http://share.wisdompulse.cn/public/${cleanPath}`;
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}
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}
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resolveOuter(map);
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} catch (e) {
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console.warn("resolveJumpLinks 接口异常：", e);
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resolveOuter({});
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}
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});
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});
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}
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async function getLLMPassword() {
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return new Promise((resolve) => {
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chrome.storage.local.get(["llmPassword"], (res) => {
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resolve(res.llmPassword || "");
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});
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});
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}
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async function getLLMToken(forceRefresh = false) {
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return new Promise((resolve, reject) => {
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chrome.storage.local.get(["llmToken", "llmTokenAt"], async (res) => {
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const now = Date.now();
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if (!forceRefresh && res.llmToken && res.llmTokenAt && now - res.llmTokenAt < LLM_TOKEN_EXPIRE_MS) {
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log("LLM token 命中缓存");
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resolve(res.llmToken);
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} else {
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try {
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const pwd = await getLLMPassword();
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const response = await fetch(LLM_TOKEN_API, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ password: pwd }),
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});
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const data = await response.json();
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if (data.token) {
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chrome.storage.local.set({ llmToken: data.token, llmTokenAt: now });
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resolve(data.token);
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} else {
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reject("LLM token获取失败");
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}
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} catch (e) {
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reject("LLM token接口异常");
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}
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}
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});
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});
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}
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async function getLLMWorkspaceSlug(token, forceRefresh = false) {
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return new Promise((resolve, reject) => {
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chrome.storage.local.get(["llmWorkspaceSlug", "llmWorkspaceAt"], async (res) => {
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const now = Date.now();
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if (!forceRefresh && res.llmWorkspaceSlug && res.llmWorkspaceAt && now - res.llmWorkspaceAt < LLM_TOKEN_EXPIRE_MS) {
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resolve(res.llmWorkspaceSlug);
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} else {
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try {
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const response = await fetch(LLM_WORKSPACES_API, {
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method: "GET",
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headers: { Authorization: `Bearer ${token}` },
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});
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const data = await response.json();
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if (data.workspaces && data.workspaces.length > 0 && data.workspaces[0].slug) {
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chrome.storage.local.set({ llmWorkspaceSlug: data.workspaces[0].slug, llmWorkspaceAt: now });
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resolve(data.workspaces[0].slug);
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} else {
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reject("未获取到LLM工作区slug");
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}
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} catch (e) {
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reject("LLM工作区接口异常");
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}
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}
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});
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});
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}
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// 仅插入按钮，不绑定事件
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function wrapHtmlWithCopyBtn(html) {
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const wrapper = document.createElement('div');
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wrapper.innerHTML = html;
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wrapper.querySelectorAll('pre > code').forEach(codeEl => {
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const pre = codeEl.parentElement;
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if (pre.querySelector('.copy-btn')) return;
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const btn = document.createElement('button');
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btn.className = 'copy-btn';
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btn.innerText = '复制';
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pre.appendChild(btn);
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pre.style.position = 'relative';
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});
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return wrapper.innerHTML;
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}
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// 渲染后批量绑定复制事件
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function bindAllCopyButtons(container) {
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(container || document).querySelectorAll('.llm-md .copy-btn').forEach(btn => {
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// 避免重复绑定
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if (btn.dataset.bind === "true") return;
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btn.dataset.bind = "true";
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btn.addEventListener('click', function (e) {
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e.stopPropagation();
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// 只复制紧邻 code 元素的内容
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const codeEl = btn.parentElement.querySelector('code');
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const codeText = codeEl ? (codeEl.innerText || codeEl.textContent) : "";
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let success = false, error = null;
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try {
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const textarea = document.createElement("textarea");
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textarea.value = codeText;
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textarea.setAttribute('readonly', '');
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textarea.style.position = "absolute";
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textarea.style.left = "-9999px";
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document.body.appendChild(textarea);
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textarea.select();
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success = document.execCommand('copy');
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document.body.removeChild(textarea);
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if (success) {
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btn.innerText = '已复制!';
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setTimeout(() => btn.innerText = '复制', 1200);
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} else {
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btn.innerText = '失败';
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setTimeout(() => btn.innerText = '复制', 1200);
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}
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} catch (err) {
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error = err;
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btn.innerText = '失败';
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setTimeout(() => btn.innerText = '复制', 1200);
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}
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// 必然有日志
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if (success) {
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log("[复制代码] 成功，内容：", codeText);
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} else {
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console.error("[复制代码] 失败", error, "内容：", codeText);
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alert("复制失败: " + (error ? error : "未知错误"));
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}
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});
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});
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}
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// fetchLLMAnswer，支持流式markdown、代码块复制按钮
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async function fetchLLMAnswer(question, container, contentDiv) {
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if (!question || !question.trim()) return;
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const userItem = document.createElement("div");
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userItem.className = "llm-msg-item llm-user";
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userItem.innerHTML = `<span style="color:#2a63c8;font-weight:bold;">我：</span> ${question}`;
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contentDiv.appendChild(userItem);
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container.classList.remove("hidden");
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const msgBox = document.createElement("div");
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msgBox.className = "llm-msg-item llm-assistant";
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contentDiv.appendChild(msgBox);
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contentDiv.scrollTop = contentDiv.scrollHeight;
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let collectedSources = [];
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try {
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const token = await getLLMToken();
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const workspace = await getLLMWorkspaceSlug(token);
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const url = `${LLM_STREAM_API_BASE}/${workspace}/stream-chat`;
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const res = await fetch(url, {
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method: "POST",
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headers: {
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"Authorization": `Bearer ${token}`,
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"Content-Type": "application/json"
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},
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body: JSON.stringify({ message: question, attachments: [] })
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});
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if (!res.ok || !res.body) {
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msgBox.innerHTML = "<span style='color:red;'>LLM接口请求失败</span>";
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return;
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}
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const reader = res.body.getReader();
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const decoder = new TextDecoder("utf-8");
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let buffer = "", done = false;
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let thinkStr = "", answerStr = "", inThink = false;
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while (!done) {
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const { value, done: readerDone } = await reader.read();
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done = readerDone;
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if (value) {
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buffer += decoder.decode(value, { stream: true });
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const lines = buffer.split("\n");
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buffer = lines.pop();
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for (let line of lines) {
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if (line.startsWith("data: ")) {
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const data = line.slice(6);
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const chunk = JSON.parse(data);
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// 收集 sources（去重按 id）
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if (chunk.sources && Array.isArray(chunk.sources)) {
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for (const src of chunk.sources) {
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if (!collectedSources.find(s => s.id === src.id)) {
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collectedSources.push(src);
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}
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}
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}
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let content = chunk.textResponse || "";
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if (content.includes("<think>")) {
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inThink = true;
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content = content.replace("<think>", "");
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}
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if (content.includes("</think>")) {
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inThink = false;
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content = content.replace("</think>", "");
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}
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if (inThink) {
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thinkStr += content.replace(/\n/g, "<br>");
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} else {
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answerStr += content; // 直接累计 markdown 原文
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}
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// 渲染 markdown，代码块加复制按钮
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let html = "";
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try {
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html = window.marked ? marked.parse(answerStr) : answerStr.replace(/\n/g, "<br>");
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} catch (e) {
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html = answerStr.replace(/\n/g, "<br>");
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}
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msgBox.innerHTML =
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(thinkStr ? `<div class="llm-think">${thinkStr}</div>` : "") +
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`<span class="assistant-label">智能助手：</span><div class="llm-md">${wrapHtmlWithCopyBtn(html)}</div>`;
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// 【关键】渲染后绑定复制事件
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bindAllCopyButtons(msgBox);
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contentDiv.scrollTop = contentDiv.scrollHeight;
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}
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}
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}
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}
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if (collectedSources.length > 0) {
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const sourceList = document.createElement("div");
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sourceList.className = "llm-sources";
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sourceList.style.marginTop = "10px";
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sourceList.style.fontSize = "13px";
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sourceList.style.color = "#555";
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msgBox.appendChild(sourceList);
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await renderSources(sourceList, collectedSources);
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}
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} catch (e) {
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msgBox.innerHTML += `<span style='color:red;'>LLM异常：${e}</span>`;
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}
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}
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async function renderSources(sourceList, sources) {
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const titles = sources.map(s => s.title).filter(Boolean);
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const jumpMap = await resolveJumpLinks(titles);
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sourceList.style.marginTop = "12px";
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sourceList.style.borderTop = "1px solid #dbe3f3";
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sourceList.style.paddingTop = "7px";
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const titleBar = document.createElement("div");
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titleBar.textContent = "📎 参考资料";
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titleBar.style.fontWeight = "bold";
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titleBar.style.marginBottom = "6px";
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titleBar.style.fontSize = "13.5px";
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titleBar.style.color = "#0d2fec";
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sourceList.appendChild(titleBar);
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// 新增ul包裹
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const ul = document.createElement("ul");
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ul.style.paddingLeft = "1.2em";
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ul.style.margin = "0";
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ul.style.listStyle = "disc";
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ul.style.fontSize = "14px";
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for (const src of sources) {
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const url = jumpMap[src.title];
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const li = document.createElement("li");
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li.style.marginBottom = "3px";
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li.style.lineHeight = "1.7";
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// 分值
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let scoreText = "";
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if (typeof src.score === "number") {
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scoreText = `（相似度：${(src.score * 100).toFixed(2)}%）`;
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}
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if (url) {
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const link = document.createElement("a");
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link.href = url;
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link.textContent = src.title || "未命名文档";
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link.target = "_blank";
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link.style.color = "#2560de";
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link.style.textDecoration = "none";
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link.onmouseenter = () => (link.style.textDecoration = "underline");
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link.onmouseleave = () => (link.style.textDecoration = "none");
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li.appendChild(link);
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if (scoreText) {
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const scoreSpan = document.createElement("span");
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scoreSpan.style.color = "#8990a1";
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scoreSpan.style.fontSize = "12.5px";
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scoreSpan.style.marginLeft = "6px";
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scoreSpan.textContent = scoreText;
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li.appendChild(scoreSpan);
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}
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} else {
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li.textContent = (src.title || "未命名文档") + (scoreText ? " " + scoreText : "");
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li.style.color = "#666";
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}
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ul.appendChild(li);
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}
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sourceList.appendChild(ul);
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}
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