{ "name": "BriefFeed \u2014 \u4e13\u4e1a\u60c5\u62a5\u7b80\u62a5", "nodes": [ { "id": "aa000001-0000-0000-0000-000000000001", "name": "\u624b\u52a8\u89e6\u53d1", "type": "n8n-nodes-base.manualTrigger", "typeVersion": 1, "position": [ 200, 400 ], "parameters": {} }, { "id": "aa000007-0000-0000-0000-000000000007", "name": "\u8bfb\u53d6\u914d\u7f6e", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 440, 400 ], "parameters": { "mode": "runOnceForAllItems", "jsCode": "// ============================================================\n// BriefFeed \u914d\u7f6e\u4e2d\u5fc3 \u2014 \u4fee\u6539\u6b64\u8282\u70b9\u6765\u8c03\u6574\u6240\u6709\u6293\u53d6\u4e0e\u8bc4\u5206\u53c2\u6570\n// rss_sources \u5bf9\u5e94 config/rss_sources.json\uff08\u4e0d\u542b template\uff09\n// \u5176\u4f59\u8bbe\u7f6e\u5bf9\u5e94 config/settings.json\uff08\u4e0d\u542b template\uff09\n// ============================================================\nconst CONFIG = {\n\n // ---------- arXiv ----------\n arxiv_rss_categories: ['cs.AI', 'cs.HC', 'cs.LG', 'cs.RO'],\n paper_keywords: [\n '(\"human computer interaction\" OR HCI) AND (\"large language model\" OR LLM OR agent)',\n '(\"computer aided design\" OR CAD) AND (\"artificial intelligence\" OR \"machine learning\")',\n '(\"multimodal\" OR \"multi-modal\") AND (\"3D\" OR \"design\" OR \"engineering\")',\n '\"design automation\" AND (\"AI\" OR \"agent\" OR \"intelligent\")',\n '\"engineering assistant\" OR \"CAD copilot\" OR \"design intelligence\"',\n ],\n\n // ---------- GitHub ----------\n github_keywords: [\n 'CAD AI assistant',\n 'engineering design agent LLM',\n 'CAD copilot',\n 'HCI design tool AI',\n 'design automation agent',\n ],\n github_quality: {\n stars_min: 10, // star \u6570\u6700\u4f4e\u95e8\u69db\uff08\u964d\u4f4e\u4ee5\u907f\u514d\u6f0f\u6389\u65b0\u5174\u9879\u76ee\uff09\n pushed_within_days: 365, // \u6700\u8fd1\u6d3b\u8dc3\u5929\u6570\uff080 = \u4e0d\u8fc7\u6ee4\uff09\n keep_top: 8, // \u6bcf\u4e2a\u5173\u952e\u8bcd\u6700\u591a\u4fdd\u7559\u51e0\u4e2a\uff08\u6309 star \u964d\u5e8f\uff09\n },\n\n // ---------- RSS \u6e90\uff08\u6765\u81ea config/rss_sources.json\uff09----------\n rss_sources: [\n { name: 'OpenAI Blog', url: 'https://openai.com/news/rss.xml', category: 'AI\u516c\u53f8\u535a\u5ba2', enabled: true },\n { name: 'Anthropic News', url: 'https://www.anthropic.com/news/rss.xml', category: 'AI\u516c\u53f8\u535a\u5ba2', enabled: true },\n { name: 'Google DeepMind Blog', url: 'https://deepmind.com/blog/feed/basic/', category: 'AI\u516c\u53f8\u535a\u5ba2', enabled: true },\n { name: 'Hugging Face Blog', url: 'https://huggingface.co/blog/feed.xml', category: 'AI\u5de5\u5177', enabled: true },\n { name: 'LangChain Blog', url: 'https://blog.langchain.dev/rss/', category: 'AI\u5de5\u5177', enabled: true },\n { name: 'LlamaIndex Blog', url: 'https://www.llamaindex.ai/blog/rss.xml', category: 'AI\u5de5\u5177', enabled: true },\n { name: 'Jina AI', url: 'https://jina.ai/news/rss.xml', category: 'AI\u5de5\u5177', enabled: true },\n { name: 'Microsoft Research Blog', url: 'https://www.microsoft.com/en-us/research/feed/', category: '\u7814\u7a76\u673a\u6784', enabled: true },\n { name: 'deeplearning.ai', url: 'https://rsshub.bestblogs.dev/deeplearning/the-batch', category: '\u7814\u7a76\u673a\u6784', enabled: true },\n { name: 'The GitHub Blog', url: 'https://github.blog/feed/', category: '\u5f00\u6e90\u793e\u533a', enabled: true },\n { name: 'Vercel News', url: 'https://vercel.com/atom', category: '\u5de5\u7a0b/AI\u4ea7\u54c1', enabled: true },\n { name: \"Simon Willison's Weblog\", url: 'https://simonwillison.net/atom/everything/', category: 'AI\u5de5\u7a0b/\u72ec\u7acb\u6280\u672f\u535a\u5ba2', enabled: true },\n { name: 'Latent Space', url: 'https://www.latent.space/feed', category: 'AI\u5de5\u7a0b/Agent', enabled: true },\n { name: 'UX Magazine', url: 'https://uxmag.com/feed/', category: 'HCI/UX', enabled: true },\n { name: 'Last Week in AI', url: 'https://lastweekin.ai/feed/', category: 'AI\u5a92\u4f53', enabled: false },\n ],\n\n // ---------- \u8bc4\u5206 & \u7b5b\u9009\uff08\u6765\u81ea config/settings.json\uff09----------\n scoring_weights: { relevance: 0.5, novelty: 0.3, transferability: 0.2 },\n max_items_per_section: 10,\n min_score_threshold: 4, // \u4e09\u7ef4\u6574\u6570\u5206\u4e4b\u548c\u9608\u503c\uff08\u6ee1\u5206 15\uff0c\u5efa\u8bae 4~6\uff09\n\n // ---------- LLM ----------\n llm_model: 'deepseek-ai/DeepSeek-V3',\n llm_batch_size: 20,\n llm_max_concurrency: 3, // \u5efa\u8bae 2~5\uff0c\u89c6 API \u9650\u6d41\u800c\u5b9a\n\n // ---------- \u6293\u53d6\u91cf ----------\n fresh_days: 7, // \u53ea\u4fdd\u7559\u6700\u8fd1 N \u5929\u5185\u5bb9\uff080 = \u4e0d\u8fc7\u6ee4\uff09\n rss_items_per_source: 10,\n arxiv_results_per_kw: 8,\n github_results_per_kw: 20, // \u6293\u53d6\u5019\u9009\u6570\uff08\u8fc7\u6ee4\u524d\uff09\uff0c\u5e94\u5927\u4e8e keep_top\n\n // ---------- \u8f93\u51fa ----------\n output_dir: '/briefeed-output',\n\n // ---------- LLM \u7cfb\u7edf\u63d0\u793a\u8bcd\uff08\u6765\u81ea config/researcher_profile.md\uff09----------\n system_prompt: 'You are filtering daily professional updates for a researcher. All your output must be in Chinese.\\n\\nThe researcher is mainly interested in:\\n1. AI for CAD and engineering design\\n2. Human-AI interaction, especially CHI/UIST-style research\\n3. Intelligent engineering assistants, CAD copilots, and design automation systems\\n4. Agentic or multi-agent workflows when they are relevant to engineering tasks\\n5. Methods, frameworks, open-source tools, and product ideas that can be transferred into real systems\\n\\nThe researcher especially values:\\n- Content that is directly useful for research or project development\\n- Methodological novelty, system design insight, and engineering applicability\\n- Work related to interactive design tools, engineering intelligence, and AI-assisted workflows\\n- Ideas that can inform the development of CAD copilot / engineering assistant / design intelligence systems\\n\\nThe researcher is less interested in:\\n- Generic AI news or hype without technical substance\\n- Marketing-heavy announcements\\n- Product updates without technical depth\\n- Content with weak relevance to design, engineering, HCI, or agent systems\\n\\nReturn ONLY a valid JSON array. For each item provide these fields:\\n- id: original index (integer)\\n- relevance: integer 0-5. How closely the topic matches the researcher interests above.\\n 0=unrelated, 1=tangential, 2=somewhat relevant, 3=relevant, 4=highly relevant, 5=core topic\\n- novelty: integer 0-5. How new, surprising, or non-obvious the contribution is.\\n 0=rehash, 1=incremental, 2=slight advance, 3=notable, 4=significant, 5=breakthrough\\n- transferability: integer 0-5. How directly the ideas/code/methods can be applied to the researcher\\'s own work.\\n 0=not applicable, 1=inspirational only, 2=partial idea, 3=useful method, 4=directly adoptable, 5=ready to use\\n- category: \"\u8bba\u6587\" | \"\u535a\u5ba2\" | \"GitHub\"\\n- direction: \"AI+CAD\" | \"HCI\" | \"\u8bbe\u8ba1\u5de5\u5177\" | \"\u591a\u6a21\u6001\" | \"Agent\u7cfb\u7edf\" | \"\u5176\u4ed6\"\\n- summary_zh: 2-3 sentence Chinese summary of what this item is\\n- value_zh: 1-2 sentence Chinese explanation of why it matters to this researcher\\n- skip: true ONLY if relevance <= 1 (clearly off-topic), otherwise false\\n\\nCRITICAL:\\n1. Output ONLY a valid JSON array. No markdown. No extra text.\\n2. ALL scores must be integers 0-5. Never use decimals.\\n3. Do NOT modify any URLs. Use URLs exactly as provided.',\n};\n\nconsole.log('\u914d\u7f6e\u52a0\u8f7d\u5b8c\u6210\uff1aRSS\u6e90 ' + CONFIG.rss_sources.filter(function(s){return s.enabled;}).length + ' \u4e2a\u5df2\u542f\u7528\uff0carxiv\u5206\u7c7b ' + CONFIG.arxiv_rss_categories.length + ' \u4e2a\uff0cgithub\u5173\u952e\u8bcd ' + CONFIG.github_keywords.length + ' \u4e2a');\nreturn [{ json: { config: CONFIG } }];" } }, { "id": "aa000002-0000-0000-0000-000000000002", "name": "\u5168\u91cf\u6570\u636e\u6293\u53d6", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 680, 400 ], "parameters": { "mode": "runOnceForAllItems", "jsCode": "// \u4ece\u4e0a\u6e38\u8282\u70b9\u63a5\u6536\u914d\u7f6e\nconst CONFIG = $input.first().json.config;\n\n// ============================================================\n// \u5de5\u5177\u51fd\u6570\n// ============================================================\nfunction extractTag(xml, tag) {\n const m = xml.match(new RegExp('<' + tag + '[^>]*>([^]*?)<[/]' + tag + '>', 'i'));\n return m ? m[1].trim() : '';\n}\nfunction extractAttrHref(xml) {\n const m = xml.match(/]+href=['\"]([^'\"]+)['\"]/i);\n return m ? m[1] : '';\n}\nfunction stripHtml(s) {\n return s\n .replace(//gi, '$1')\n .replace(/<[^>]+>/g, '')\n .replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '\"').replace(/&#\\d+;/g, '')\n .trim();\n}\nfunction parseRSS(xml, sourceName, category, maxItems) {\n const items = [];\n const rx = /<(?:item|entry)[^]*?<[/](?:item|entry)>/gi;\n for (const chunk of (xml.match(rx) || []).slice(0, maxItems || 10)) {\n const title = stripHtml(extractTag(chunk, 'title'));\n const link = (extractTag(chunk, 'link') || extractAttrHref(chunk)).trim();\n const desc = stripHtml(extractTag(chunk, 'summary') || extractTag(chunk, 'description') || extractTag(chunk, 'content') || '');\n const pub = extractTag(chunk, 'pubDate') || extractTag(chunk, 'published') || extractTag(chunk, 'updated') || '';\n if (!title || !link || !link.startsWith('http')) continue;\n items.push({ title, url: link, abstract: desc.slice(0, 400), date: pub ? new Date(pub).toISOString().split('T')[0] : new Date().toISOString().split('T')[0], source: sourceName, source_type: 'blog', category });\n }\n return items;\n}\nfunction parseArxiv(xml, label) {\n const items = [];\n for (const chunk of (xml.match(//gi) || [])) {\n const title = stripHtml(extractTag(chunk, 'title')).replace(/\\s+/g, ' ').trim();\n const id = extractTag(chunk, 'id').trim();\n const summary = stripHtml(extractTag(chunk, 'summary'));\n const pub = extractTag(chunk, 'published') || '';\n if (!title || !id) continue;\n items.push({ title, url: id.replace('http://arxiv.org/abs/', 'https://arxiv.org/abs/'), abstract: summary.slice(0, 500), date: pub ? pub.split('T')[0] : new Date().toISOString().split('T')[0], source: 'arXiv (' + label + ')', source_type: 'paper', category: label });\n }\n return items;\n}\nfunction isFresh(item, cutoff) {\n if (!cutoff || !item.date) return true;\n try { return new Date(item.date).getTime() >= cutoff; } catch(e) { return true; }\n}\n\n// ============================================================\n// HTTP \u5de5\u5177\u51fd\u6570\n// ============================================================\nconst https = require('https');\nconst http = require('http');\nconst nodeUrl = require('url');\nfunction httpGet(urlStr, headers, timeoutMs) {\n return new Promise(function(resolve, reject) {\n const u = nodeUrl.parse(urlStr);\n const isHttps = u.protocol === 'https:';\n const lib = isHttps ? https : http;\n const opts = { hostname: u.hostname, port: u.port ? parseInt(u.port) : (isHttps ? 443 : 80), path: (u.pathname || '/') + (u.search || ''), method: 'GET', headers: Object.assign({ 'User-Agent': 'BriefFeed/1.0' }, headers || {}), timeout: timeoutMs || 18000 };\n const req = lib.request(opts, function(res) {\n if (res.statusCode >= 300 && res.statusCode < 400 && res.headers.location) {\n return resolve(httpGet(res.headers.location, headers, timeoutMs));\n }\n const chunks = [];\n res.on('data', function(c) { chunks.push(c); });\n res.on('end', function() { resolve(Buffer.concat(chunks).toString('utf-8')); });\n });\n req.on('timeout', function() { req.destroy(); reject(new Error('Request timed out')); });\n req.on('error', reject);\n req.end();\n });\n}\nfunction httpGetJson(urlStr, headers, timeoutMs) {\n return httpGet(urlStr, headers, timeoutMs).then(function(text) { return JSON.parse(text); });\n}\n\n// ============================================================\n// \u5e76\u53d1\u6293\u53d6\n// ============================================================\nconst errors = [];\nconst T = 18000;\nconst cutoff = CONFIG.fresh_days > 0 ? Date.now() - CONFIG.fresh_days * 86400000 : 0;\nconst maxRSS = CONFIG.rss_items_per_source || 10;\nconst maxArxiv = CONFIG.arxiv_results_per_kw || 8;\nconst maxGH = CONFIG.github_results_per_kw || 20;\n\n// --- 1. arXiv RSS ---\nconst arxivRssResults = await Promise.allSettled(\n CONFIG.arxiv_rss_categories.map(function(cat) {\n return httpGet('https://rss.arxiv.org/rss/' + cat, {}, T)\n .then(function(xml) {\n return parseRSS(xml, 'arXiv ' + cat, cat, maxRSS).map(function(i) { return Object.assign({}, i, { source_type: 'paper' }); });\n });\n })\n);\nconst arxivRssItems = [];\narxivRssResults.forEach(function(r, i) {\n if (r.status === 'fulfilled') { arxivRssItems.push(...r.value); }\n else { errors.push('arXiv RSS ' + CONFIG.arxiv_rss_categories[i] + ': ' + r.reason.message); }\n});\n\n// --- 2. arXiv API \u5173\u952e\u8bcd\u641c\u7d22 ---\nconst arxivApiResults = await Promise.allSettled(\n CONFIG.paper_keywords.map(function(kw) {\n const url = 'https://export.arxiv.org/api/query?search_query=' + encodeURIComponent(kw) + '&start=0&max_results=' + maxArxiv + '&sortBy=submittedDate&sortOrder=descending';\n return httpGet(url, {}, T).then(function(xml) { return parseArxiv(xml, kw.slice(0, 40)); });\n })\n);\nconst arxivApiItems = [];\narxivApiResults.forEach(function(r, i) {\n if (r.status === 'fulfilled') { arxivApiItems.push(...r.value); }\n else { errors.push('arXiv API \"' + CONFIG.paper_keywords[i].slice(0, 30) + '\": ' + r.reason.message); }\n});\n\n// --- 3. RSS \u6e90 ---\nconst enabledSources = CONFIG.rss_sources.filter(function(s) { return s.enabled; });\nconst rssResults = await Promise.allSettled(\n enabledSources.map(function(src) {\n return httpGet(src.url, { 'User-Agent': 'BriefFeed/1.0' }, T)\n .then(function(xml) { return parseRSS(xml, src.name, src.category, maxRSS); });\n })\n);\nconst rssItems = [];\nrssResults.forEach(function(r, i) {\n if (r.status === 'fulfilled') { rssItems.push(...r.value); }\n else { errors.push('RSS ' + enabledSources[i].name + ': ' + r.reason.message); }\n});\n\n// --- 4. GitHub ---\nconst ghHeaders = { 'Accept': 'application/vnd.github+json', 'User-Agent': 'BriefFeed/1.0' };\nconst ghToken = $env.GITHUB_TOKEN || '';\nif (ghToken) { ghHeaders['Authorization'] = 'token ' + ghToken; }\nconst ghQuality = CONFIG.github_quality || {};\nconst ghStarsMin = ghQuality.stars_min != null ? ghQuality.stars_min : 10;\nconst ghPushedDays = ghQuality.pushed_within_days != null ? ghQuality.pushed_within_days : 365;\nconst ghKeepTop = ghQuality.keep_top || 8;\nconst ghPushedCutoff = ghPushedDays > 0 ? Date.now() - ghPushedDays * 86400000 : 0;\nconst githubResults = await Promise.allSettled(\n CONFIG.github_keywords.map(function(kw) {\n const url = 'https://api.github.com/search/repositories?q=' + encodeURIComponent(kw) + '&sort=stars&order=desc&per_page=' + maxGH;\n return httpGetJson(url, ghHeaders, T).then(function(d) {\n if (!d || !d.items) return [];\n return d.items\n .filter(function(repo) {\n if (repo.stargazers_count < ghStarsMin) return false;\n if (ghPushedCutoff && repo.pushed_at) {\n if (new Date(repo.pushed_at).getTime() < ghPushedCutoff) return false;\n }\n return true;\n })\n .slice(0, ghKeepTop)\n .map(function(repo) {\n const pushedDate = (repo.pushed_at || '').split('T')[0];\n const createdDate = (repo.created_at || '').split('T')[0];\n return {\n title: repo.full_name,\n url: repo.html_url,\n abstract: (repo.description || '\u65e0\u63cf\u8ff0').slice(0, 300),\n date: pushedDate || new Date().toISOString().split('T')[0],\n source: 'GitHub (' + kw + ')',\n source_type: 'github',\n category: 'GitHub',\n stars: repo.stargazers_count,\n extra: '\u2b50 ' + repo.stargazers_count + ' | \ud83c\udf74 ' + repo.forks_count + ' | ' + (repo.language || '?') + ' | \u6700\u8fd1\u63a8\u9001 ' + pushedDate + ' | \u521b\u5efa ' + createdDate,\n };\n });\n });\n })\n);\nconst githubItems = [];\ngithubResults.forEach(function(r, i) {\n if (r.status === 'fulfilled') { githubItems.push(...r.value); }\n else { errors.push('GitHub \"' + CONFIG.github_keywords[i] + '\": ' + r.reason.message); }\n});\n\n// --- \u5408\u5e76 & \u65b0\u9c9c\u5ea6\u8fc7\u6ee4 ---\nconst allItems = [...arxivRssItems, ...arxivApiItems, ...rssItems, ...githubItems]\n .filter(function(item) { return isFresh(item, cutoff); });\n\nconsole.log('\u5e76\u53d1\u6293\u53d6\u5b8c\u6210\uff1a\u8bba\u6587RSS ' + arxivRssItems.length + ' | \u8bba\u6587API ' + arxivApiItems.length + ' | RSS ' + rssItems.length + ' | GitHub ' + githubItems.length + ' | \u65b0\u9c9c\u8fc7\u6ee4\u540e ' + allItems.length + ' \u6761\uff08' + CONFIG.fresh_days + ' \u5929\u5185\uff09');\n\nreturn [{ json: { items: allItems, config: CONFIG, errors: errors, fetchedAt: new Date().toISOString() } }];" } }, { "id": "aa000003-0000-0000-0000-000000000003", "name": "\u6807\u51c6\u5316\u53bb\u91cd", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 680, 400 ], "parameters": { "mode": "runOnceForAllItems", "jsCode": "const data = $input.first().json;\nconst items = data.items;\nconst seen = new Set();\nconst deduped = items.filter(function(item) {\n if (!item.title || !item.url || !item.url.startsWith('http')) return false;\n const key = item.url.replace(/v\\d+$/, '').toLowerCase().replace(/\\/$/, '');\n if (seen.has(key)) return false;\n seen.add(key);\n return true;\n});\nconsole.log('\u6293\u53d6\u5b8c\u6210\uff1a\u539f\u59cb ' + items.length + ' \u6761 \u2192 \u53bb\u91cd\u540e ' + deduped.length + ' \u6761');\nif (data.errors && data.errors.length) console.log('\u8b66\u544a\uff1a' + data.errors.join(' | '));\nreturn [{ json: { items: deduped, config: data.config, errors: data.errors, fetchedAt: data.fetchedAt } }];" } }, { "id": "aa000004-0000-0000-0000-000000000004", "name": "LLM\u6279\u6b21\u8bc4\u5206", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 920, 400 ], "parameters": { "mode": "runOnceForAllItems", "jsCode": "const data = $input.first().json;\nconst items = data.items;\nconst config = data.config;\n\nconst API_KEY = $env.SILICONFLOW_API_KEY;\nif (!API_KEY) throw new Error('\u8bf7\u914d\u7f6e\u73af\u5883\u53d8\u91cf SILICONFLOW_API_KEY');\n\nconst SYSTEM_PROMPT = config.system_prompt;\nif (!SYSTEM_PROMPT) throw new Error('\u914d\u7f6e\u4e2d\u7f3a\u5c11 system_prompt\uff0c\u8bf7\u68c0\u67e5\u8bfb\u53d6\u914d\u7f6e\u8282\u70b9');\n\nconst batchSize = config.llm_batch_size || 20;\nconst maxConc = config.llm_max_concurrency || 3;\n// weights \u7528\u4e8e\u5c06\u4e09\u7ef4\u6574\u6570\u5206\uff080-5\uff09\u805a\u5408\u4e3a\u5355\u4e00\u6392\u5e8f\u5206\uff080-15\uff09\uff0c\u4e0d\u518d\u7528 0-1 \u5c0f\u6570\nconst weights = config.scoring_weights || { relevance: 0.5, novelty: 0.3, transferability: 0.2 };\nconst minTotal = config.min_score_threshold || 4; // \u4e09\u7ef4\u4e4b\u548c >= 4 \u624d\u4fdd\u7559\uff0815 \u5206\u5236\uff09\nconst model = config.llm_model || 'deepseek-ai/DeepSeek-V3';\nconst https_llm = require('https');\n\nfunction callLLM(batch, batchOffset) {\n const payload = batch.map(function(item, idx) {\n return { id: batchOffset + idx, title: item.title, url: item.url, source: item.source, type: item.source_type, date: item.date, abstract: (item.abstract || '').slice(0, 400) };\n });\n const userMsg = 'Analyze the following ' + batch.length + ' items and return a JSON array:\\n\\n' + JSON.stringify(payload, null, 2) + '\\n\\nReturn ONLY the JSON array, no markdown.';\n const bodyStr = JSON.stringify({ model: model, messages: [{ role: 'system', content: SYSTEM_PROMPT }, { role: 'user', content: userMsg }], max_tokens: 4096, temperature: 0.1, stream: false });\n return new Promise(function(resolve, reject) {\n const opts = { hostname: 'api.siliconflow.cn', port: 443, path: '/v1/chat/completions', method: 'POST', headers: { 'Authorization': 'Bearer ' + API_KEY, 'Content-Type': 'application/json', 'Content-Length': Buffer.byteLength(bodyStr) }, timeout: 180000 };\n const req = https_llm.request(opts, function(res) {\n const chunks = [];\n res.on('data', function(c) { chunks.push(c); });\n res.on('end', function() {\n try {\n const result = JSON.parse(Buffer.concat(chunks).toString('utf-8'));\n const content = (result.choices && result.choices[0] && result.choices[0].message) ? result.choices[0].message.content : '';\n let jsonStr = content;\n const mdMatch = content.match(/```(?:json)?\\n?([^]*?)\\n?```/);\n if (mdMatch) jsonStr = mdMatch[1];\n let evals = [];\n try { evals = JSON.parse(jsonStr.trim()); } catch(e2) {\n const arrMatch = jsonStr.match(/\\[[^]*\\]/);\n if (arrMatch) evals = JSON.parse(arrMatch[0]);\n }\n resolve(evals);\n } catch(e) { reject(e); }\n });\n });\n req.on('timeout', function() { req.destroy(); reject(new Error('LLM request timed out')); });\n req.on('error', reject);\n req.write(bodyStr);\n req.end();\n });\n}\n\nconst batches = [];\nfor (let i = 0; i < items.length; i += batchSize) {\n batches.push({ batch: items.slice(i, i + batchSize), offset: i });\n}\n\nconst scored = [];\nfor (let gi = 0; gi < batches.length; gi += maxConc) {\n const group = batches.slice(gi, gi + maxConc);\n console.log('\u5e76\u53d1\u63d0\u4ea4\u6279\u6b21 ' + (gi+1) + '~' + Math.min(gi+maxConc, batches.length) + '/' + batches.length);\n const results = await Promise.allSettled(\n group.map(function(b) { return callLLM(b.batch, b.offset); })\n );\n results.forEach(function(r, ri) {\n const b = group[ri];\n let evals = [];\n if (r.status === 'fulfilled') {\n evals = r.value;\n } else {\n console.log('\u6279\u6b21 ' + (gi+ri+1) + ' LLM \u5931\u8d25: ' + r.reason.message);\n evals = b.batch.map(function(_, idx) { return { id: b.offset+idx, relevance: 2, novelty: 2, transferability: 2, category: '\u535a\u5ba2', direction: '\u672a\u5206\u7c7b', summary_zh: '', value_zh: '\uff08LLM\u5931\u8d25\uff09', skip: false }; });\n }\n for (let ei = 0; ei < evals.length; ei++) {\n const ev = evals[ei];\n if (ev.skip) continue;\n const localIdx = ev.id - b.offset;\n if (localIdx < 0 || localIdx >= b.batch.length) continue;\n const orig = b.batch[localIdx];\n // \u6574\u6570\u5316\uff08\u9632\u6b62 LLM \u8fd4\u56de\u5c0f\u6570\uff09\n const rel = Math.round(Math.min(5, Math.max(0, ev.relevance || 0)));\n const nov = Math.round(Math.min(5, Math.max(0, ev.novelty || 0)));\n const tra = Math.round(Math.min(5, Math.max(0, ev.transferability || ev.actionability || 0)));\n const total = rel + nov + tra; // 0~15\n if (total < minTotal) continue;\n // \u52a0\u6743\u5206\uff08\u7528\u4e8e\u6392\u5e8f\uff0c\u4fdd\u6301\u5411\u540e\u517c\u5bb9 score \u5b57\u6bb5\uff09\n const wScore = rel * (weights.relevance || 0.5) + nov * (weights.novelty || 0.3) + tra * (weights.transferability || weights.actionability || 0.2);\n const merged = {};\n for (const k in orig) merged[k] = orig[k];\n merged.score = Math.round(wScore * 100) / 100; // \u52a0\u6743\u5206\uff0c\u7528\u4e8e\u6392\u5e8f\n merged.total_score = total; // \u4e09\u7ef4\u603b\u5206 /15\n merged.relevance = rel;\n merged.novelty = nov;\n merged.transferability = tra;\n merged.category_zh = ev.category || (orig.source_type === 'paper' ? '\u8bba\u6587' : orig.source_type === 'github' ? 'GitHub' : '\u535a\u5ba2');\n merged.direction = ev.direction || '\u5176\u4ed6';\n merged.summary_zh = ev.summary_zh || orig.abstract || '';\n merged.value_zh = ev.value_zh || '';\n scored.push(merged);\n }\n });\n}\n\nconsole.log('LLM\u5b8c\u6210\uff1a' + scored.length + ' \u6761\u901a\u8fc7\u9608\u503c\uff0c\u5171 ' + batches.length + ' \u6279\u6b21\uff08\u6700\u5927\u5e76\u53d1 ' + maxConc + '\uff09');\nreturn [{ json: { items: scored, config: config, errors: data.errors, fetchedAt: data.fetchedAt } }];" } }, { "id": "aa000005-0000-0000-0000-000000000005", "name": "\u751f\u6210Markdown\u62a5\u544a", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 1160, 400 ], "parameters": { "mode": "runOnceForAllItems", "jsCode": "const data = $input.first().json;\nconst items = data.items;\nconst config = data.config;\nconst maxN = config.max_items_per_section || 10;\n\nconst papers = items.filter(function(i){ return i.source_type === 'paper'; }).sort(function(a,b){ return b.score-a.score; }).slice(0, maxN);\nconst blogs = items.filter(function(i){ return i.source_type === 'blog'; }).sort(function(a,b){ return b.score-a.score; }).slice(0, maxN);\nconst githubs = items.filter(function(i){ return i.source_type === 'github'; }).sort(function(a,b){ return b.score-a.score; }).slice(0, maxN);\n\nconst now = new Date();\nconst pad = function(n){ return String(n).padStart(2,'0'); };\nconst dateStr = now.getFullYear() + '-' + pad(now.getMonth()+1) + '-' + pad(now.getDate());\nconst timeStr = pad(now.getHours()) + ':' + pad(now.getMinutes());\nconst filename = 'briefeed_' + dateStr.replace(/-/g,'') + '_' + pad(now.getHours()) + pad(now.getMinutes()) + '.md';\n\nfunction fmt(item) {\n const scoreStr = item.total_score != null ? ' | \u8bc4\u5206 ' + item.total_score + '/15\uff08\u76f8\u5173' + (item.relevance||0) + ' \u65b0\u9896' + (item.novelty||0) + ' \u8fc1\u79fb' + (item.transferability||0) + '\uff09' : '';\n const extra = item.extra ? '\\n- **\u9644\u52a0\u4fe1\u606f**\uff1a' + item.extra : '';\n return '### ' + item.title + '\\n- **\u6765\u6e90**\uff1a' + item.source + '\\n- **\u65e5\u671f**\uff1a' + item.date + ' | **\u65b9\u5411**\uff1a' + (item.direction||'-') + scoreStr + '\\n- **\u6982\u8ff0**\uff1a' + (item.summary_zh||item.abstract||'\uff08\u65e0\u6458\u8981\uff09') + '\\n- **\u4e3a\u4ec0\u4e48\u503c\u5f97\u5173\u6ce8**\uff1a' + (item.value_zh||'-') + extra + '\\n- **\u539f\u6587**\uff1a' + item.url + '\\n\\n';\n}\n\nconst errSec = data.errors && data.errors.length ? '\\n---\\n\\n> \u26a0\ufe0f **\u6293\u53d6\u8b66\u544a**\uff08' + data.errors.length + ' \u4e2a\u6e90\u5f02\u5e38\uff09\\n' + data.errors.map(function(e){ return '> - ' + e; }).join('\\n') + '\\n' : '';\n\nconst report = '# BriefFeed \u60c5\u62a5\u7b80\u62a5 \u2014 ' + dateStr + ' ' + timeStr + '\\n\\n> \u751f\u6210\u65f6\u95f4\uff1a' + data.fetchedAt + ' | \u901a\u8fc7\u7b5b\u9009\uff1a' + items.length + ' \u6761\uff08\u8bba\u6587 ' + papers.length + '\u3001\u535a\u5ba2 ' + blogs.length + '\u3001GitHub ' + githubs.length + '\uff09\\n\\n---\\n\\n## \u4e00\u3001\u4eca\u65e5\u91cd\u70b9\u8bba\u6587\\n\\n' + (papers.length ? papers.map(fmt).join('') : '_\u4eca\u65e5\u6682\u65e0\u9ad8\u76f8\u5173\u5ea6\u8bba\u6587\u3002_\\n') + '\\n---\\n\\n## \u4e8c\u3001\u4eca\u65e5\u6280\u672f / \u535a\u5ba2\u52a8\u6001\\n\\n' + (blogs.length ? blogs.map(fmt).join('') : '_\u4eca\u65e5\u6682\u65e0\u9ad8\u76f8\u5173\u5ea6\u535a\u5ba2\u52a8\u6001\u3002_\\n') + '\\n---\\n\\n## \u4e09\u3001\u4eca\u65e5 GitHub / \u5f00\u6e90\u9879\u76ee\\n\\n' + (githubs.length ? githubs.map(fmt).join('') : '_\u4eca\u65e5\u6682\u65e0\u9ad8\u76f8\u5173\u5ea6 GitHub \u9879\u76ee\u3002_\\n') + errSec;\n\nconst base64 = Buffer.from(report, 'utf-8').toString('base64');\nreturn [{ json: { filename: filename, outputDir: config.output_dir || '/briefeed-output', reportLength: report.length }, binary: { data: { data: base64, mimeType: 'text/markdown; charset=utf-8', fileName: filename, fileExtension: 'md' } } }];" } }, { "id": "aa000006-0000-0000-0000-000000000006", "name": "\u4fdd\u5b58\u62a5\u544a", "type": "n8n-nodes-base.readWriteFile", "typeVersion": 1, "position": [ 1400, 400 ], "parameters": { "operation": "write", "fileName": "={{ $json.outputDir + '/' + $json.filename }}", "dataPropertyName": "data", "options": {} } } ], "connections": { "\u624b\u52a8\u89e6\u53d1": { "main": [ [ { "node": "\u8bfb\u53d6\u914d\u7f6e", "type": "main", "index": 0 } ] ] }, "\u8bfb\u53d6\u914d\u7f6e": { "main": [ [ { "node": "\u5168\u91cf\u6570\u636e\u6293\u53d6", "type": "main", "index": 0 } ] ] }, "\u5168\u91cf\u6570\u636e\u6293\u53d6": { "main": [ [ { "node": "\u6807\u51c6\u5316\u53bb\u91cd", "type": "main", "index": 0 } ] ] }, "\u6807\u51c6\u5316\u53bb\u91cd": { "main": [ [ { "node": "LLM\u6279\u6b21\u8bc4\u5206", "type": "main", "index": 0 } ] ] }, "LLM\u6279\u6b21\u8bc4\u5206": { "main": [ [ { "node": "\u751f\u6210Markdown\u62a5\u544a", "type": "main", "index": 0 } ] ] }, "\u751f\u6210Markdown\u62a5\u544a": { "main": [ [ { "node": "\u4fdd\u5b58\u62a5\u544a", "type": "main", "index": 0 } ] ] } }, "active": false, "settings": { "executionOrder": "v1", "saveManualExecutions": true }, "tags": [], "versionId": "briefeed-v1-1", "meta": { "templateCredsSetupCompleted": true } }