diff --git a/scripts/trigger-news-morning-global-regenerate.mjs b/scripts/trigger-news-morning-global-regenerate.mjs
index 19dabf4..c916090 100644
--- a/scripts/trigger-news-morning-global-regenerate.mjs
+++ b/scripts/trigger-news-morning-global-regenerate.mjs
@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 /**
- * Enable global-source news morning template and trigger prod worker regenerate + push.
+ * Enable full-source news morning template and trigger prod worker regenerate + push.
  */
 import process from 'node:process';
 import mysql from 'mysql2/promise';
@@ -29,13 +29,12 @@ async function main() {
     enabled: current.enabled !== false,
     forceGenerateOnce: true,
     taskSpecAppend: [
-      '【全球扩展栏目 · 必须生成】',
-      '除原有栏目外，必须新增并写满以下 4 个 section（quick-link + div.section）：',
-      '1. id=google：「🔎 Google 热点 · Global Headlines」2～3 条，标题可英文，正文中文摘要，来源 Reuters/BBC/AP/Google News 等；',
-      '2. id=x：「𝕏 X 平台热点 · Trending」2～3 条，X/Twitter 热议或媒体转述，标题可中英混合；',
-      '3. id=universities：「🎓 全球高校 · Research & Campus」2～3 条，MIT/Stanford/Oxford 等科研或校园新闻，标题可英文；',
-      '4. id=global_markets：「📈 全球股市 · Markets」2～3 条，美股/欧股/日股/港股等，可含 Fed/Nasdaq/FTSE 等英文术语；',
-      '英文栏目标题可英文或中英并列，每条必须有中文摘要与来源 URL；禁止整段纯英文正文。',
+      '【全渠道扩展 · 必须生成且全页去重】',
+      '除原有栏目外，必须新增并写满以下 section（quick-link + div.section），每条 2 card（crypto 有则 1～2，无则可省略 section）：',
+      'asia_pacific / commodities / ai_chips / policy / community / science / culture / startup / crypto / geopolitics / local_life / official_feeds，',
+      '以及 google / x / universities / global_markets。',
+      '全页去重：同一 URL 或同一核心事件只允许出现一次；主栏目优先，扩展栏目必须换角度或跳过。',
+      '英文栏目标题可英文，每条必须有中文摘要与来源 URL；禁止整段纯英文正文。',
     ].join('\n'),
   };
   const now = Date.now();
@@ -46,13 +45,13 @@ async function main() {
        config_json = VALUES(config_json),
        updated_by = VALUES(updated_by),
        updated_at = VALUES(updated_at)`,
-    [CONFIG_KEY, JSON.stringify(next), 'global-source-regenerate', now],
+    [CONFIG_KEY, JSON.stringify(next), 'full-source-regenerate', now],
   );
   console.log(JSON.stringify({
     ok: true,
     forceGenerateOnce: true,
     taskSpecAppendChars: next.taskSpecAppend.length,
-    templateNote: 'Worker on 143 must run code with taskSpecAppend + new search queries for full effect.',
+    templateNote: 'Worker must run code with full template + dedupe prefetch for best effect.',
   }, null, 2));
   await pool.end();
 }
diff --git a/wechat-daily-news-inline.mjs b/wechat-daily-news-inline.mjs
index 799f839..6b87edc 100644
--- a/wechat-daily-news-inline.mjs
+++ b/wechat-daily-news-inline.mjs
@@ -33,6 +33,21 @@ const SECTION_LABELS = {
   world: 'WORLD',
   domestic: 'CHINA',
   google: 'GLOBAL',
+  x: 'SOCIAL',
+  asia_pacific: 'ASIA',
+  commodities: 'ENERGY',
+  ai_chips: 'AI',
+  policy: 'POLICY',
+  universities: 'CAMPUS',
+  global_markets: 'MARKETS',
+  community: 'COMMUNITY',
+  science: 'SCIENCE',
+  culture: 'CULTURE',
+  startup: 'STARTUP',
+  crypto: 'CRYPTO',
+  geopolitics: 'GEOPOL',
+  local_life: 'CITIES',
+  official_feeds: 'WIRE',
   finance: 'FINANCE',
   tech: 'TECH',
   technews: 'TECH',
@@ -547,16 +562,31 @@ function renderGenericSection(
 }
 
 const DEFAULT_SECTION_CARD_LIMITS = {
-  headlines: 7,
-  world: 5,
-  domestic: 5,
-  google: 3,
-  finance: 5,
-  tech: 5,
-  sports: 3,
+  headlines: 6,
+  world: 4,
+  domestic: 4,
+  google: 2,
+  x: 2,
+  asia_pacific: 2,
+  commodities: 2,
+  ai_chips: 2,
+  policy: 2,
+  universities: 2,
+  global_markets: 2,
+  community: 2,
+  science: 2,
+  culture: 2,
+  startup: 2,
+  crypto: 2,
+  geopolitics: 2,
+  local_life: 2,
+  official_feeds: 2,
+  finance: 4,
+  tech: 4,
+  sports: 2,
   technews: 2,
-  hot: 3,
-  knowledge: 4,
+  hot: 2,
+  knowledge: 3,
 };
 
 const DEFAULT_CARD_BODY_CHARS = 150;
@@ -593,13 +623,28 @@ const TRIM_PROFILES = CARD_LIMIT_TIERS.map((sectionCardLimits, index) => ({
  * 知识小卡片、体育、热搜等补充栏目先让位，保证各栏目都还有内容。
  */
 const SECTION_SHRINK_WEIGHTS = {
-  knowledge: 1.6,
-  sports: 1.4,
-  hot: 1.35,
-  google: 1.3,
-  technews: 1.3,
+  knowledge: 1.7,
+  culture: 1.65,
+  community: 1.62,
+  crypto: 1.6,
+  local_life: 1.58,
+  startup: 1.55,
+  science: 1.5,
+  sports: 1.45,
+  hot: 1.4,
+  x: 1.38,
+  google: 1.35,
+  official_feeds: 1.33,
+  asia_pacific: 1.3,
+  commodities: 1.28,
+  universities: 1.25,
+  ai_chips: 1.2,
+  geopolitics: 1.15,
+  policy: 1.1,
+  global_markets: 1.08,
+  technews: 1.05,
   tech: 1,
-  finance: 1,
+  finance: 0.95,
   world: 0.9,
   domestic: 0.9,
   headlines: 0.65,
@@ -879,7 +924,22 @@ function fitInlineContentToBudget(html, bodyBudget, {
   const fallbackProfile = {
     ...BASE_TRIM_FLAGS,
     skipKnowledge: true,
-    sectionCardLimits: { headlines: 3, world: 2, domestic: 2, google: 1, finance: 2, tech: 2, sports: 1, technews: 1, hot: 1, knowledge: 0 },
+    sectionCardLimits: {
+      headlines: 3,
+      world: 2,
+      domestic: 2,
+      google: 1,
+      x: 1,
+      asia_pacific: 1,
+      finance: 2,
+      tech: 2,
+      ai_chips: 1,
+      global_markets: 1,
+      sports: 1,
+      technews: 1,
+      hot: 1,
+      knowledge: 0,
+    },
     maxBodyChars: 80,
   };
   const built = render(fallbackProfile);
diff --git a/wechat-news-morning-draft.mjs b/wechat-news-morning-draft.mjs
index 462bf7d..d8b46fe 100644
--- a/wechat-news-morning-draft.mjs
+++ b/wechat-news-morning-draft.mjs
@@ -33,7 +33,7 @@ const MAX_THUMB_BYTES = 64 * 1024;
 export const NEWS_MORNING_TEMPLATE_REFERENCE_URL =
   'https://m.tkmind.cn/MindSpace/a70ff537-8908-486e-9b6c-042e07cc25db/public/daily-news-0915.html';
 
-export const NEWS_MORNING_TEMPLATE_VERSION = '2026-09-18-global';
+export const NEWS_MORNING_TEMPLATE_VERSION = '2026-09-18-full';
 
 /** 生产 daily-news-0915 版式：div.section + 扩展全球栏目。 */
 export const NEWS_MORNING_TEMPLATE_0915_SPEC = [
@@ -41,23 +41,36 @@ export const NEWS_MORNING_TEMPLATE_0915_SPEC = [
   `参照页：${NEWS_MORNING_TEMPLATE_REFERENCE_URL}`,
   '写页前可先 read_file 打开同目录最近 daily-news-*.html 或上述 URL 对应文件，对照 CSS 与 DOM 骨架；正文条目必须全部来自当日检索。',
   '1. 外层：`.wrap` > `.hero`（`.hero-content` 内 h1「📰 每日新闻早报」、`.date-badge`、`.subtitle` 一句主编导语）> `.container`。',
-  '2. quick-links 固定顺序：📰 要闻｜🌤️ 天气｜🌍 国际｜🇨🇳 国内｜💰 财经｜🤖 科技｜🏆 体育｜🔥 热搜｜🔎 Google｜𝕏 X｜🎓 高校｜📈 全球股市｜📚 小知识｜📅 历史（href 对应下方 id）。',
+  '2. quick-links 固定顺序：📰 要闻｜🌤️ 天气｜🌍 国际｜🇨🇳 国内｜💰 财经｜🤖 科技｜🏆 体育｜🔥 热搜｜🔎 Google｜𝕏 X｜🌏 亚太｜⛽ 能源｜🧠 AI芯片｜⚖️ 政策｜🎓 高校｜📈 全球股市｜💬 社区｜🔬 科学｜🎬 文娱｜🚀 创投｜₿ 加密｜🛡️ 地缘｜🏙️ 城市｜📡 权威快讯｜📚 小知识｜📅 历史（href 对应下方 id）。',
   '3. 区块容器必须用 `<div class="section" id="...">`（禁止 `<section id>`）；`.section-title` 含 `<span class="icon">` emoji。',
   '4. 区块 id 与内容：',
   '   - id=headlines：「今日要闻 · {完整日期}」；至少 3 条 `.card.highlight-box`（tag + h3 + p + source），标题 15～28 字、前 10 字有钩子。',
   '   - id=weather：「今日天气 · {月日}」；`.weather-today` + `.weather-grid` 8～12 张 `.weather-card`；热门城市（北京、上海、广州、深圳、成都、杭州、西安、重庆、武汉、南京、厦门、三亚等），禁止用区域预报顶替城市卡。',
   '   - id=world / domestic / finance / tech / sports：各 3～4 条 card。',
   '   - id=hot：「今日热门事件与热搜 · {月日}」；2～3 条 highlight-box。',
-  '   - id=google：「🔎 Google 热点 · Global Headlines」；2～3 条 card，标题可英文，p 用中文摘要，source 链到 Reuters/BBC/AP/Google News 等。',
-  '   - id=x：「𝕏 X 平台热点 · Trending」；2～3 条 card，X/Twitter 热议或媒体转述，标题可中英混合。',
-  '   - id=universities：「🎓 全球高校 · Research & Campus」；2～3 条 card，MIT/Stanford/Oxford/Cambridge 等高校新闻，标题可英文。',
-  '   - id=global_markets：「📈 全球股市 · Markets」；2～3 条 card，美股/欧股/日股/港股/A50 等，可含 Fed/Nasdaq/FTSE 等英文术语。',
+  '   - id=google：「🔎 Google 热点 · Global Headlines」；2 条 card，标题可英文，p 用中文摘要。',
+  '   - id=x：「𝕏 X 平台热点 · Trending」；2 条 card，X/Twitter 热议或媒体转述。',
+  '   - id=asia_pacific：「🌏 亚太观察 · Asia-Pacific」；2 条 card，日韩台港/东盟视角。',
+  '   - id=commodities：「⛽ 能源大宗 · Commodities」；2 条 card，原油/黄金/铜/OPEC 等。',
+  '   - id=ai_chips：「🧠 AI & 芯片 · Tech Deep」；2 条 card，大模型/半导体/NVIDIA/出口管制等。',
+  '   - id=policy：「⚖️ 政策监管 · Policy Watch」；2 条 card，中外监管与重大政策。',
+  '   - id=universities：「🎓 全球高校 · Research & Campus」；2 条 card，高校科研/校园新闻，标题可英文。',
+  '   - id=global_markets：「📈 全球股市 · Markets」；2 条 card，美股/欧股/日股/港股等。',
+  '   - id=community：「💬 社区热议 · Reddit/HN」；2 条 card，Reddit/Hacker News 热议经媒体转述。',
+  '   - id=science：「🔬 科学前沿 · Science」；2 条 card，科研/太空/医学突破。',
+  '   - id=culture：「🎬 文娱动态 · Culture」；2 条 card，影视/音乐/游戏行业新闻（禁八卦绯闻）。',
+  '   - id=startup：「🚀 创投速递 · Startup」；2 条 card，融资/IPO/并购。',
+  '   - id=crypto：「₿ 加密货币 · Crypto」；0～2 条 card，仅当 BTC/ETH/监管有重大波动时写，否则可省略本 section。',
+  '   - id=geopolitics：「🛡️ 地缘军事 · Geopolitics」；2 条 card，冲突/制裁/外交/防务（与 id=world 去重）。',
+  '   - id=local_life：「🏙️ 城市动态 · Cities」；2 条 card，北上广深成渝杭西等主要城市民生/交通/政策。',
+  '   - id=official_feeds：「📡 权威快讯 · Wire Services」；2 条 card，Reuters/BBC/AP/NPR 等通讯社快讯，标题可英文。',
   '   - id=knowledge：「📚 知识小卡片」；1～2 条短知识 card。',
   '   - id=history：「📅 近7天新闻早报」；列出近 7 天 daily-news-MMDD.html 链接。',
   '5. 每条 card：span.tag + h3 + p（2～4 句）+ div.source。',
   '6. footer：新闻来源列表 + 整理时间 + TKMind 品牌；meta mindspace-cover、title、description；生成 daily-news-MMDD.thumbnail.png。',
   '7. 推送微信草稿时转为内联 style 版式（微信不支持 <style> 标签），禁止整页长图；底部追加统一「阅读原文 + 二维码」layout；公众号侧 history/knowledge 可略短。',
   '8. 英文栏目允许英文标题或中英并列，但每条必须有中文可读摘要，禁止整段纯英文正文。',
+  '9. 全页去重（必须）：同一 URL、同一核心事件只允许出现一次；若已在 headlines/world/domestic/finance/tech 出现，扩展栏目不得重复同角度，可换角度或跳过；写页前合并预取+tkmind_search+web_search 后再去重。',
 ].join('\n');
 
 /** 兼容旧引用名 */
@@ -67,13 +80,14 @@ export const NEWS_MORNING_TEMPLATE_0910_SPEC = NEWS_MORNING_TEMPLATE_0915_SPEC;
 export const NEWS_MORNING_FRESH_CONTENT_SPEC = [
   '内容硬约束（必须遵守，优先于版式）：',
   '1. 检索必须双路：先 load_skill → web，再同一轮调用 tkmind_search(type=news) 与 web_search，合并去重后写页；禁止只靠 web_search。',
-  '2. 覆盖面至少包括：国内、国际、热搜、财经、科技、体育、天气，以及 Google / X / 全球高校 / 全球股市四个英文栏目；不得凭记忆编造。',
+  '2. 覆盖面至少包括：国内、国际、热搜、财经、科技、体育、天气，以及 Google/X/亚太/能源/AI芯片/政策/高校/全球股市/社区/科学/文娱/创投/加密(有则写)/地缘/城市/权威快讯等扩展栏目；不得凭记忆编造。',
   '3. 若附有「专用联网搜索预取」，必须优先从中选题并写入对应栏目；预取有结果时禁止输出「未能获取」类空页。',
   '4. 若 tkmind_search / web_search 暂时不可用，但预取 brief 已有条目：仍必须用预取结果写满各栏目，并在 source 标注预取来源 URL。',
   '5. 仅当预取 brief 各路均为空且双路搜索均失败时，才允许写「检索暂不可用」说明页；禁止用历史 daily-news 正文充数。',
   '6. 标题规则：中文标题 15～28 字；英文栏目标题可英文或中英并列；每条必须可核验并写来源 URL。',
-  '7. Google / X / 全球高校 / 全球股市：优先用预取 brief 对应分组，可保留英文标题，正文用 2～4 句中文摘要。',
-  '8. 禁止复制、改写历史 daily-news-*.html 的正文；旧稿仅作 HTML 结构参考。',
+  '7. 扩展英文栏目：优先用预取 brief 对应分组，可保留英文标题，正文用 2～4 句中文摘要。',
+  '8. 全页去重：同一事件（如「美联储加息」「Fed rate hike」）只保留一条；主栏目优先，扩展栏目必须不同角度或跳过；禁止复制粘贴同段摘要。',
+  '9. 禁止复制、改写历史 daily-news-*.html 的正文；旧稿仅作 HTML 结构参考。',
 ].join('\n');
 
 function normalizeBoolean(value, fallback = false) {
@@ -129,7 +143,7 @@ function formatLocalDateParts(date = new Date(), timezone = 'Asia/Shanghai') {
 }
 
 /** 检测「检索失败 / 空内容」降级页，需强制重生成。 */
-export function isNewsMorningContentDegraded(html, { minStoryCards = 6 } = {}) {
+export function isNewsMorningContentDegraded(html, { minStoryCards = 12 } = {}) {
   const source = String(html ?? '');
   if (!source.trim()) return true;
   if (/关于今日早报的重要说明|未填充任何当日具体新闻条目|未能获取当日可核验新闻/u.test(source)) {
diff --git a/wechat-news-morning-search.mjs b/wechat-news-morning-search.mjs
index 258fa89..f3b8cf2 100644
--- a/wechat-news-morning-search.mjs
+++ b/wechat-news-morning-search.mjs
@@ -44,6 +44,18 @@ export function buildNewsMorningSearchQueries(dateLabel) {
     { id: 'x', title: 'X 平台热点', query: `${englishFresh} trending news site:x.com OR site:twitter.com` },
     { id: 'universities', title: '全球高校', query: `${englishFresh} university research breakthrough news site:edu OR MIT OR Stanford OR Oxford` },
     { id: 'global_markets', title: '全球股市', query: `${englishFresh} global stock market finance wall street nikkei ftse dax` },
+    { id: 'asia_pacific', title: '亚太观察', query: `${englishFresh} Asia Pacific news Japan Korea Taiwan Hong Kong ASEAN site:scmp.com OR site:asia.nikkei.com` },
+    { id: 'commodities', title: '能源大宗', query: `${englishFresh} oil price gold crude commodities OPEC energy market ${year}` },
+    { id: 'ai_chips', title: 'AI 与芯片', query: `${englishFresh} artificial intelligence LLM semiconductor NVIDIA chip export OpenAI ${year}` },
+    { id: 'policy', title: '政策监管', query: `${fresh} 政策 监管 国务院 央行 证监会 欧盟 FTC SEC 新规` },
+    { id: 'community', title: '社区热议', query: `${englishFresh} trending news site:reddit.com OR site:news.ycombinator.com` },
+    { id: 'science', title: '科学前沿', query: `${englishFresh} science breakthrough research Nature NASA space medicine ${year}` },
+    { id: 'culture', title: '文娱动态', query: `${fresh} 文娱 影视 音乐 游戏 票房 行业 新闻` },
+    { id: 'startup', title: '创投速递', query: `${englishFresh} startup funding venture capital IPO acquisition tech ${year}` },
+    { id: 'crypto', title: '加密货币', query: `${englishFresh} bitcoin ethereum crypto regulation market ${year}` },
+    { id: 'geopolitics', title: '地缘军事', query: `${englishFresh} geopolitics military conflict defense sanctions diplomacy ${year}` },
+    { id: 'local_life', title: '城市动态', query: `${fresh} 北京 上海 广州 深圳 成都 杭州 西安 城市 交通 政策 民生` },
+    { id: 'official_feeds', title: '权威快讯', query: `${englishFresh} breaking news site:reuters.com OR site:bbc.com/world OR site:apnews.com OR site:npr.org` },
   ].filter((item) => item.query.trim());
 }
 
@@ -65,18 +77,99 @@ export function filterFreshNewsMorningSearchResults(results = [], { year = null
   });
 }
 
+export function normalizeNewsMorningUrl(url) {
+  try {
+    const parsed = new URL(String(url ?? '').trim());
+    parsed.hash = '';
+    parsed.search = '';
+    const host = parsed.hostname.replace(/^www\./i, '').toLowerCase();
+    const pathname = parsed.pathname.replace(/\/+$/, '').toLowerCase();
+    return `${host}${pathname}`;
+  } catch {
+    return String(url ?? '').trim().toLowerCase();
+  }
+}
+
+export function normalizeNewsMorningTitle(title) {
+  return String(title ?? '')
+    .toLowerCase()
+    .replace(/[^\p{L}\p{N}]+/gu, ' ')
+    .replace(/\s+/g, ' ')
+    .trim();
+}
+
+export function isDuplicateNewsMorningStory(existingTitles = [], candidate = {}) {
+  const urlKey = normalizeNewsMorningUrl(candidate?.url);
+  if (urlKey && existingTitles.some((item) => item.urlKey === urlKey)) return true;
+  const title = normalizeNewsMorningTitle(candidate?.title);
+  if (!title) return false;
+  return existingTitles.some((item) => {
+    const other = item.title;
+    if (!other) return false;
+    if (other === title) return true;
+    const shorter = other.length <= title.length ? other : title;
+    const longer = other.length > title.length ? other : title;
+    if (shorter.length >= 8 && longer.includes(shorter)) return true;
+    const wordsA = new Set(shorter.split(' ').filter((word) => word.length >= 3));
+    const wordsB = new Set(longer.split(' ').filter((word) => word.length >= 3));
+    if (wordsA.size < 2 || wordsB.size < 2) return false;
+    let overlap = 0;
+    for (const word of wordsA) {
+      if (wordsB.has(word)) overlap += 1;
+    }
+    const minSize = Math.min(wordsA.size, wordsB.size);
+    return overlap >= 3 && overlap / minSize >= 0.6;
+  });
+}
+
+/** 按栏目优先级跨组去重：先出现的栏目保留，后续栏目跳过重复 URL/标题。 */
+export function dedupeNewsMorningSearchGroups(groups = [], { seen = null } = {}) {
+  const seenUrls = seen?.urls ?? new Set();
+  const seenTitles = seen?.titles ?? [];
+  const dedupedGroups = [];
+  let removedCount = 0;
+
+  for (const group of Array.isArray(groups) ? groups : []) {
+    const results = [];
+    for (const item of Array.isArray(group?.results) ? group.results : []) {
+      const urlKey = normalizeNewsMorningUrl(item?.url);
+      if (urlKey && seenUrls.has(urlKey)) {
+        removedCount += 1;
+        continue;
+      }
+      if (isDuplicateNewsMorningStory(seenTitles, item)) {
+        removedCount += 1;
+        continue;
+      }
+      if (urlKey) seenUrls.add(urlKey);
+      seenTitles.push({ urlKey, title: normalizeNewsMorningTitle(item?.title) });
+      results.push(item);
+    }
+    dedupedGroups.push({ ...group, results });
+  }
+
+  return {
+    groups: dedupedGroups,
+    removedCount,
+    seen: { urls: seenUrls, titles: seenTitles },
+  };
+}
+
 function truncateSnippet(value, max = 90) {
   const text = String(value ?? '').replace(/\s+/g, ' ').trim();
   if (!text) return '';
   return text.length > max ? `${text.slice(0, max - 1)}…` : text;
 }
 
-export function formatNewsMorningSearchBrief(groups = [], { dateLabel = null } = {}) {
+export function formatNewsMorningSearchBrief(groups = [], { dateLabel = null, dedupeRemovedCount = 0 } = {}) {
   const lines = [
     '【专用联网搜索预取】以下结果来自专用新闻检索（与 web_search 并列，不是替代）。',
-    '写页面时必须：1）优先从下列结果覆盖头条/国内/国际/财经/科技/体育/热搜，以及 Google 热点、X 平台、全球高校、全球股市四个英文栏目；2）同一轮再调用 tkmind_search(type=news) 与 web_search 补漏并核对来源；3）禁止只使用 web_search；4）英文栏目可保留英文标题，正文用中文摘要并附原文链接。',
+    '写页面时必须：1）优先从下列结果覆盖各栏目；2）同一轮再调用 tkmind_search(type=news) 与 web_search 补漏并核对来源；3）禁止只使用 web_search；4）全页去重：同一 URL/同一事件只允许出现一次，优先保留要闻/国内/国际/财经/科技，扩展栏目用不同角度或跳过；5）英文栏目标题可英文，正文用中文摘要并附原文链接。',
   ];
   if (dateLabel?.iso) lines.push(`预取日期：${dateLabel.iso}`);
+  if (dedupeRemovedCount > 0) {
+    lines.push(`预取跨栏目去重：已剔除 ${dedupeRemovedCount} 条重复 URL/标题，写页时仍须对双路搜索结果再次去重。`);
+  }
   lines.push('');
 
   let hitCount = 0;
@@ -100,7 +193,7 @@ export function formatNewsMorningSearchBrief(groups = [], { dateLabel = null } =
   }
 
   if (!hitCount) {
-    lines.push('预取没有返回条目。仍必须调用 tkmind_search(type=news) 与 web_search，覆盖国内、国际、财经、科技、体育、热搜后再写页面。');
+    lines.push('预取没有返回条目。仍必须调用 tkmind_search(type=news) 与 web_search，覆盖各栏目后再写页面。');
   }
   return lines.join('\n').trim();
 }
@@ -132,7 +225,7 @@ export async function prefetchNewsMorningSearxngBrief({
   timezone = 'Asia/Shanghai',
   env = process.env,
   searchImpl = searchSearxng,
-  limit = 6,
+  limit = 5,
 } = {}) {
   const dateLabel = formatLocalDateParts(now, timezone);
   const queries = buildNewsMorningSearchQueries(dateLabel);
@@ -152,7 +245,7 @@ export async function prefetchNewsMorningSearxngBrief({
     const raw = await searchNewsThenGeneral(item.query, {
       endpoint,
       searchImpl,
-      limit: limit + 4,
+      limit: limit + 3,
       timeoutMs,
     });
     const results = filterFreshNewsMorningSearchResults(
@@ -161,5 +254,6 @@ export async function prefetchNewsMorningSearxngBrief({
     ).slice(0, limit);
     return { ...item, results };
   }));
-  return formatNewsMorningSearchBrief(groups, { dateLabel });
+  const { groups: dedupedGroups, removedCount } = dedupeNewsMorningSearchGroups(groups);
+  return formatNewsMorningSearchBrief(dedupedGroups, { dateLabel, dedupeRemovedCount: removedCount });
 }
diff --git a/wechat-news-morning-search.test.mjs b/wechat-news-morning-search.test.mjs
index b889664..4dad338 100644
--- a/wechat-news-morning-search.test.mjs
+++ b/wechat-news-morning-search.test.mjs
@@ -2,12 +2,14 @@ import assert from 'node:assert/strict';
 import test from 'node:test';
 import {
   buildNewsMorningSearchQueries,
+  dedupeNewsMorningSearchGroups,
   filterFreshNewsMorningSearchResults,
   formatNewsMorningSearchBrief,
+  isDuplicateNewsMorningStory,
   prefetchNewsMorningSearxngBrief,
 } from './wechat-news-morning-search.mjs';
 
-test('buildNewsMorningSearchQueries covers lead, domestic, world, finance, tech, sports and hot', () => {
+test('buildNewsMorningSearchQueries covers core and extended channels', () => {
   const queries = buildNewsMorningSearchQueries({
     iso: '2026-09-15',
     label: '2026年09月15日',
@@ -16,9 +18,11 @@ test('buildNewsMorningSearchQueries covers lead, domestic, world, finance, tech,
   assert.deepEqual(ids, [
     'lead', 'domestic', 'world', 'finance', 'tech', 'sports', 'hot', 'weather',
     'google', 'x', 'universities', 'global_markets',
+    'asia_pacific', 'commodities', 'ai_chips', 'policy', 'community', 'science',
+    'culture', 'startup', 'crypto', 'geopolitics', 'local_life', 'official_feeds',
   ]);
-  assert.ok(queries.some((item) => item.id === 'google' && /today latest 2026/u.test(item.query)));
-  assert.ok(queries.some((item) => item.id === 'global_markets' && /global stock market/u.test(item.query)));
+  assert.ok(queries.some((item) => item.id === 'asia_pacific' && /Asia Pacific/u.test(item.query)));
+  assert.ok(queries.some((item) => item.id === 'official_feeds' && /reuters\.com/u.test(item.query)));
 });
 
 test('filterFreshNewsMorningSearchResults drops wikinews archive hits', () => {
@@ -30,38 +34,71 @@ test('filterFreshNewsMorningSearchResults drops wikinews archive hits', () => {
   assert.match(filtered[0].title, /国乒/);
 });
 
+test('dedupeNewsMorningSearchGroups removes duplicate urls and similar titles across groups', () => {
+  const { groups, removedCount } = dedupeNewsMorningSearchGroups([
+    {
+      id: 'world',
+      title: '国际',
+      results: [{ title: 'Fed raises interest rates', url: 'https://www.reuters.com/world/fed-hike' }],
+    },
+    {
+      id: 'global_markets',
+      title: '全球股市',
+      results: [
+        { title: 'Fed raises interest rates for first time', url: 'https://www.reuters.com/world/fed-hike/' },
+        { title: 'Oil prices climb after OPEC move', url: 'https://energy.example/oil' },
+      ],
+    },
+  ]);
+  assert.equal(removedCount, 1);
+  assert.equal(groups[0].results.length, 1);
+  assert.equal(groups[1].results.length, 1);
+  assert.match(groups[1].results[0].title, /Oil prices/);
+  assert.equal(
+    isDuplicateNewsMorningStory(
+      [{ urlKey: 'reuters.com/world/fed-hike', title: 'fed raises interest rates' }],
+      { title: 'Fed raises interest rates again', url: 'https://www.reuters.com/world/fed-hike' },
+    ),
+    true,
+  );
+});
+
 test('formatNewsMorningSearchBrief requires dual search even when empty', () => {
   const text = formatNewsMorningSearchBrief([
     { id: 'domestic', title: '国内热点', results: [] },
-  ], { dateLabel: { iso: '2026-09-15' } });
+  ], { dateLabel: { iso: '2026-09-15' }, dedupeRemovedCount: 2 });
   assert.match(text, /专用联网搜索预取/);
   assert.match(text, /tkmind_search/);
   assert.match(text, /web_search/);
   assert.match(text, /禁止只使用 web_search/);
-  assert.match(text, /国内、国际、财经、科技、体育、热搜/);
+  assert.match(text, /全页去重/);
+  assert.match(text, /已剔除 2 条重复/);
 });
 
 test('prefetchNewsMorningSearxngBrief queries news category then falls back', async () => {
   const calls = [];
+  let seq = 0;
   const brief = await prefetchNewsMorningSearxngBrief({
     now: Date.parse('2026-09-15T05:00:00+08:00'),
     timezone: 'Asia/Shanghai',
     env: { TKMIND_SEARCH_SEARXNG_URL: 'http://127.0.0.1:20080/search' },
     searchImpl: async (query, options) => {
       calls.push({ query, categories: options.categories || '' });
+      const slug = `${++seq}-${options.categories || 'general'}`;
       if (options.categories === 'news' && /国内/.test(query)) {
         return [];
       }
       if (options.categories === 'news') {
-        return [{ title: `${query} 新闻源`, url: 'https://news.example/a', snippet: '摘要' }];
+        return [{ title: `[news-${slug}] 新闻源`, url: `https://news.example/${slug}`, snippet: '摘要' }];
       }
-      return [{ title: `${query} 通用源`, url: 'https://web.example/b', snippet: '补搜' }];
+      return [{ title: `[web-${slug}] 通用源`, url: `https://web.example/${slug}`, snippet: '补搜' }];
     },
   });
   assert.ok(calls.some((item) => item.categories === 'news'));
   assert.ok(calls.some((item) => item.categories === '' && /国内/.test(item.query)));
-  assert.match(brief, /国际.*新闻源/);
-  assert.match(brief, /国内.*通用源/);
+  assert.match(brief, /## 国际[\s\S]*新闻源/);
+  assert.match(brief, /## 国内[\s\S]*通用源/);
+  assert.match(brief, /全页去重/);
   assert.match(brief, /tkmind_search/);
 });