Separate WeChat chat, page refine, and task flows with explicit routing.

Add channel prefixes, pin edit targets in Cursor prompts, and force fresh sessions for page refine URLs so DeepSeek/Goose chat history does not pollute page tasks.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/print-tang-page-refine-message.mjs

@@ -0,0 +1,17 @@
+#!/usr/bin/env node
+/** Print Tang copy-paste WeChat page-refine message. */
+import { buildWechatPageRefineUserMessageTemplate } from '../wechat/page-refine-target.mjs';
+
+const TANG_USER_ID = 'a70ff537-8908-486e-9b6c-042e07cc25db';
+const PAGE = 'public/shengsi-3day-guide.html';
+const BASE = 'https://m.tkmind.cn';
+
+console.log(buildWechatPageRefineUserMessageTemplate({
+  publicHtmlPath: PAGE,
+  requirements: [
+    '按 Day1 / Day2 / Day3 列出具体时间节点（出发、交通、景点、用餐、住宿）',
+    '在原有内容基础上补充，不要删掉已有有效信息',
+    '直接 edit 原文件，不要新建页面',
+  ].join('；'),
+  publicUrl: `${BASE}/MindSpace/${TANG_USER_ID}/${PAGE}`,
+}));

wechat-intent-router.test.mjs

@@ -13,6 +13,18 @@ import {
   defaultsFromEnv,
 } from './wechat-intent-router-config.mjs';
 import { isPageGenerateText } from './wechat/intent/patterns.mjs';
+import { classifyWechatIntent } from './wechat/intent/classifier.mjs';
+
+test('classifyWechatIntent honors channel prefix for chat vs page', () => {
+  assert.equal(
+    classifyWechatIntent({ msgType: 'text', agentText: '【聊天】帮我做一个游玩攻略页面' }).kind,
+    'chat.general',
+  );
+  assert.equal(
+    classifyWechatIntent({ msgType: 'text', agentText: '【改页】public/demo.html 更详细' }).kind,
+    'page.generate',
+  );
+});
 
 test('isPageGenerateText matches travel guide requests without explicit 页面', () => {
   assert.equal(

wechat-mp.mjs

@@ -46,11 +46,16 @@ import {
   resolveSyncReply,
   shouldHandleSyncReply,
 } from './wechat/handlers/sync-replies.mjs';
+import { stripWechatChannelPrefix, WECHAT_CHANNEL_PREFIX } from './wechat/intent/channel-prefix.mjs';
 import { classifyWechatIntent } from './wechat/intent/classifier.mjs';
 import {
   isWechatSessionResetAction,
   resolveWechatSessionAction,
 } from './wechat/intent/session-action.mjs';
+import {
+  extractMindSpacePublicHtmlPath,
+  isWechatPageRefineRequestText,
+} from './wechat/page-refine-target.mjs';
 import { isPageGenerateText, isTopicResetText } from './wechat/intent/patterns.mjs';
 import {
   isPageDataDevIntent,
@@ -1078,12 +1083,21 @@ function isTopicResetIntent(text) {
 }
 
 export function shouldForceNewWechatAgentSession(wechatIntent, resetCandidate) {
-  return (
+  if (
     wechatIntent?.kind === 'session.reset' ||
     isWechatSessionResetAction(wechatIntent?.sessionActionResult) ||
     isTopicResetIntent(resetCandidate) ||
     isPageDataIntent(resetCandidate)
-  );
+  ) {
+    return true;
+  }
+  if (wechatIntent?.kind !== 'page.generate') return false;
+  const text = String(resetCandidate ?? wechatIntent?.topic ?? '').trim();
+  if (isWechatSessionPageContinuation(wechatIntent, text)) return false;
+  if (wechatIntent?.channelPrefix === WECHAT_CHANNEL_PREFIX.PAGE) return true;
+  if (extractMindSpacePublicHtmlPath(text)) return true;
+  if (isWechatPageRefineRequestText(text)) return true;
+  return false;
 }
 
 export function isWechatImmediateContextFollowup(wechatIntent, text) {
@@ -1384,7 +1398,7 @@ function normalizeWechatInboundIntent(inbound) {
     return {
       ...base,
       displayText: content,
-      agentText: content,
+      agentText: stripWechatChannelPrefix(content),
     };
   }
 
@@ -1393,7 +1407,7 @@ function normalizeWechatInboundIntent(inbound) {
     return {
       ...base,
       displayText: recognition ? `语音：${recognition}` : '语音消息',
-      agentText: recognition,
+      agentText: stripWechatChannelPrefix(recognition),
       media: {
         mediaId: inbound?.mediaId || '',
         format: inbound?.format || '',

wechat-mp.test.mjs

@@ -343,6 +343,27 @@ test('Page Data requests always rotate away from an existing WeChat route', () =
     true,
   );
   assert.equal(shouldForceNewWechatAgentSession({ kind: 'chat.general' }, '继续聊德川家康'), false);
+  assert.equal(
+    shouldForceNewWechatAgentSession(
+      { kind: 'page.generate', channelPrefix: 'page' },
+      'public/shengsi-3day-guide.html 更详细',
+    ),
+    true,
+  );
+  assert.equal(
+    shouldForceNewWechatAgentSession(
+      { kind: 'page.generate' },
+      'https://m.tkmind.cn/MindSpace/u/public/demo.html 页面更详细',
+    ),
+    true,
+  );
+  assert.equal(
+    shouldForceNewWechatAgentSession(
+      { kind: 'page.generate' },
+      '把这个做成页面',
+    ),
+    false,
+  );
   assert.equal(shouldForceNewWechatAgentSession({ kind: 'session.reset' }, '继续聊德川家康'), true);
   assert.equal(shouldForceNewWechatAgentSession({ kind: 'chat.general' }, '换新会话'), true);
 });

wechat/intent/channel-prefix.mjs

@@ -0,0 +1,49 @@
+/** Explicit WeChat channel prefixes so users can separate chat, page, and scheduled tasks. */
+
+export const WECHAT_CHANNEL_PREFIX = Object.freeze({
+  CHAT: 'chat',
+  PAGE: 'page',
+  SCHEDULED_TASK: 'scheduled_task',
+});
+
+const PREFIX_ENTRIES = Object.freeze([
+  {
+    channel: WECHAT_CHANNEL_PREFIX.CHAT,
+    pattern: /^【?\s*聊天\s*】?[：:\s]*/iu,
+  },
+  {
+    channel: WECHAT_CHANNEL_PREFIX.PAGE,
+    pattern: /^【?\s*(?:改页|做页|页面)\s*】?[：:\s]*/iu,
+  },
+  {
+    channel: WECHAT_CHANNEL_PREFIX.SCHEDULED_TASK,
+    pattern: /^【?\s*定时任务\s*】?[：:\s]*/iu,
+  },
+]);
+
+/**
+ * @returns {{ channel: string|null, body: string, hadPrefix: boolean }}
+ */
+export function parseWechatChannelPrefix(text) {
+  const normalized = String(text ?? '').trim();
+  if (!normalized) {
+    return { channel: null, body: '', hadPrefix: false };
+  }
+  for (const entry of PREFIX_ENTRIES) {
+    if (!entry.pattern.test(normalized)) continue;
+    return {
+      channel: entry.channel,
+      body: normalized.replace(entry.pattern, '').trim(),
+      hadPrefix: true,
+    };
+  }
+  return { channel: null, body: normalized, hadPrefix: false };
+}
+
+export function stripWechatChannelPrefix(text) {
+  return parseWechatChannelPrefix(text).body;
+}
+
+export function hasWechatPageChannelPrefix(text) {
+  return parseWechatChannelPrefix(text).channel === WECHAT_CHANNEL_PREFIX.PAGE;
+}

wechat/intent/channel-prefix.test.mjs

@@ -0,0 +1,29 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import {
+  parseWechatChannelPrefix,
+  stripWechatChannelPrefix,
+  WECHAT_CHANNEL_PREFIX,
+} from './channel-prefix.mjs';
+
+test('parseWechatChannelPrefix strips chat prefix', () => {
+  const parsed = parseWechatChannelPrefix('【聊天】上海明天天气怎么样');
+  assert.equal(parsed.channel, WECHAT_CHANNEL_PREFIX.CHAT);
+  assert.equal(parsed.body, '上海明天天气怎么样');
+});
+
+test('parseWechatChannelPrefix strips page refine prefix', () => {
+  const parsed = parseWechatChannelPrefix('【改页】public/demo.html 补充时间节点');
+  assert.equal(parsed.channel, WECHAT_CHANNEL_PREFIX.PAGE);
+  assert.match(parsed.body, /public\/demo\.html/);
+});
+
+test('parseWechatChannelPrefix strips scheduled task prefix', () => {
+  const parsed = parseWechatChannelPrefix('【定时任务】列出我进行中的任务');
+  assert.equal(parsed.channel, WECHAT_CHANNEL_PREFIX.SCHEDULED_TASK);
+  assert.equal(parsed.body, '列出我进行中的任务');
+});
+
+test('stripWechatChannelPrefix leaves unprefixed text unchanged', () => {
+  assert.equal(stripWechatChannelPrefix('帮我做嵊泗攻略'), '帮我做嵊泗攻略');
+});

wechat/intent/classifier.mjs

@@ -1,3 +1,4 @@
+import { parseWechatChannelPrefix, WECHAT_CHANNEL_PREFIX } from './channel-prefix.mjs';
 import {
   CONNECTIVITY_TEST_PATTERN,
   GREETING_PATTERN,
@@ -43,27 +44,50 @@ import { WECHAT_SESSION_ACTION } from './session-action.mjs';
  * @param {{ msgType?: string, agentText?: string, displayText?: string }} intent
  * @returns {WechatIntent}
  */
+function withChannelMeta(result, channelPrefix) {
+  if (!channelPrefix) return result;
+  return { ...result, channelPrefix };
+}
+
 export function classifyWechatIntent(intent) {
   const msgType = String(intent?.msgType ?? 'text').toLowerCase();
-  const text = String(intent?.agentText ?? intent?.displayText ?? '').trim();
+  const rawText = String(intent?.agentText ?? intent?.displayText ?? '').trim();
+  const { channel: channelPrefix, body: text } = parseWechatChannelPrefix(rawText);
 
   if (msgType === 'text' || msgType === 'voice') {
     if (isTopicResetText(text)) {
-      return { kind: 'session.reset', sessionAction: WECHAT_SESSION_ACTION.RESET };
+      return withChannelMeta(
+        { kind: 'session.reset', sessionAction: WECHAT_SESSION_ACTION.RESET },
+        channelPrefix,
+      );
+    }
+    if (STATUS_PROBE_PATTERN.test(text)) {
+      return withChannelMeta({ kind: 'status.probe' }, channelPrefix);
+    }
+    if (GREETING_PATTERN.test(text.replace(/[!！。.\s]+$/g, ''))) {
+      return withChannelMeta({ kind: 'greeting' }, channelPrefix);
     }
-    if (STATUS_PROBE_PATTERN.test(text)) return { kind: 'status.probe' };
-    if (GREETING_PATTERN.test(text.replace(/[!！。.\s]+$/g, ''))) return { kind: 'greeting' };
     if (CONNECTIVITY_TEST_PATTERN.test(text.replace(/[!！。.\s]+$/g, ''))) {
-      return { kind: 'connectivity.test' };
+      return withChannelMeta({ kind: 'connectivity.test' }, channelPrefix);
     }
-    if (isPageGenerateText(text)) {
-      return {
+    if (channelPrefix === WECHAT_CHANNEL_PREFIX.CHAT) {
+      return withChannelMeta({ kind: 'chat.general', text }, channelPrefix);
+    }
+    if (channelPrefix === WECHAT_CHANNEL_PREFIX.PAGE) {
+      return withChannelMeta({
         kind: 'page.generate',
         topic: text,
         wantsDocx: wantsDocxDownload(text),
-      };
+      }, channelPrefix);
     }
-    return { kind: 'chat.general', text };
+    if (isPageGenerateText(text)) {
+      return withChannelMeta({
+        kind: 'page.generate',
+        topic: text,
+        wantsDocx: wantsDocxDownload(text),
+      }, channelPrefix);
+    }
+    return withChannelMeta({ kind: 'chat.general', text }, channelPrefix);
   }
 
   if (msgType === 'event') {

wechat/page-refine-target.mjs

@@ -0,0 +1,69 @@
+import {
+  PAGE_MINDSPACE_PUBLIC_URL_PATTERN,
+  PAGE_REFINE_DETAIL_PATTERN,
+} from './intent/patterns.mjs';
+
+/** MindSpace public HTML path inside a full URL (userId or username slug). */
+export const MINDSPACE_PUBLIC_HTML_PATH_PATTERN =
+  /(?:https?:\/\/[^\s/]+)?\/?mindspace\/[^/\s"'<>]+?\/(public\/[\w.-]+\.html)/iu;
+
+export function extractMindSpacePublicHtmlPath(text) {
+  const normalized = String(text ?? '').trim();
+  if (!normalized) return null;
+  const match = normalized.match(MINDSPACE_PUBLIC_HTML_PATH_PATTERN);
+  const relativePath = match?.[1]?.replace(/\\/g, '/').trim();
+  return relativePath || null;
+}
+
+export function isWechatPageRefineRequestText(text) {
+  const normalized = String(text ?? '').trim();
+  if (!normalized) return false;
+  if (PAGE_REFINE_DETAIL_PATTERN.test(normalized)) return true;
+  return (
+    PAGE_MINDSPACE_PUBLIC_URL_PATTERN.test(normalized)
+    && /(?:页面|网页|更新|详细|改|完善|补充)/iu.test(normalized)
+  );
+}
+
+/**
+ * Extra Cursor/Goose page prompt block: pin edit target file when URL or refine intent is present.
+ */
+export function buildPageRefineTargetPromptBlock(text) {
+  const normalized = String(text ?? '').trim();
+  if (!normalized || !isWechatPageRefineRequestText(normalized)) return '';
+
+  const relativePath = extractMindSpacePublicHtmlPath(normalized);
+  if (relativePath) {
+    return [
+      '【改页目标文件（从用户消息解析，必须优先改此文件）】',
+      `- 相对路径：${relativePath}`,
+      '- 用 edit_file 更新该 HTML；禁止新建无关页面或只回复文字说明。',
+      '- 按用户要求补充/修改内容，保留其余仍有效的结构与样式。',
+      '',
+    ].join('\n');
+  }
+
+  return [
+    '【改页任务】用户要求细化或更新已有页面。',
+    '- 在工作区查找最相关的 public/*.html，用 edit_file 更新原文件，不要新建无关页面。',
+    '- 禁止只回复文字说明而不落盘。',
+    '',
+  ].join('\n');
+}
+
+/** Copy-paste WeChat message template for page refine (e.g. Tang). */
+export function buildWechatPageRefineUserMessageTemplate({
+  publicHtmlPath = 'public/your-page.html',
+  requirements = '请把页面改更详细（示例：行程细化到每个时间节点）',
+  publicUrl = '',
+} = {}) {
+  const pathLine = String(publicHtmlPath ?? '').trim();
+  const reqLine = String(requirements ?? '').trim();
+  const urlLine = String(publicUrl ?? '').trim();
+  return [
+    '改页任务（请直接改原文件，不要新建页面）',
+    pathLine ? `文件：${pathLine}` : '',
+    reqLine ? `要求：${reqLine}` : '',
+    urlLine ? `链接：${urlLine}` : '',
+  ].filter(Boolean).join('\n');
+}

wechat/page-refine-target.test.mjs

@@ -0,0 +1,57 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { buildPageGenerateAgentPrompt } from './prompts/page-generate.mjs';
+import {
+  buildPageRefineTargetPromptBlock,
+  buildWechatPageRefineUserMessageTemplate,
+  extractMindSpacePublicHtmlPath,
+  isWechatPageRefineRequestText,
+} from './page-refine-target.mjs';
+
+test('extractMindSpacePublicHtmlPath parses MindSpace public URLs', () => {
+  assert.equal(
+    extractMindSpacePublicHtmlPath(
+      'https://m.tkmind.cn/MindSpace/a70ff537-8908-486e-9b6c-042e07cc25db/public/shengsi-3day-guide.html请改详细',
+    ),
+    'public/shengsi-3day-guide.html',
+  );
+  assert.equal(extractMindSpacePublicHtmlPath('public/demo.html'), null);
+});
+
+test('buildPageRefineTargetPromptBlock pins relative path for URL refine', () => {
+  const block = buildPageRefineTargetPromptBlock(
+    'https://m.tkmind.cn/MindSpace/a70ff537-8908-486e-9b6c-042e07cc25db/public/shengsi-3day-guide.html 页面更详细到时间节点',
+  );
+  assert.match(block, /public\/shengsi-3day-guide\.html/);
+  assert.match(block, /edit_file/);
+});
+
+test('buildPageRefineTargetPromptBlock covers refine without URL', () => {
+  const block = buildPageRefineTargetPromptBlock('页面还不够详细，必须详细到时间节点');
+  assert.match(block, /改页任务/);
+  assert.doesNotMatch(block, /相对路径：public\//);
+});
+
+test('buildPageGenerateAgentPrompt includes page refine target block', () => {
+  const prompt = buildPageGenerateAgentPrompt({
+    agentText: 'https://m.tkmind.cn/MindSpace/a70ff537-8908-486e-9b6c-042e07cc25db/public/shengsi-3day-guide.html 把页面更新更详细',
+  });
+  assert.match(prompt, /改页目标文件/);
+  assert.match(prompt, /public\/shengsi-3day-guide\.html/);
+});
+
+test('buildWechatPageRefineUserMessageTemplate formats copy-paste message', () => {
+  const text = buildWechatPageRefineUserMessageTemplate({
+    publicHtmlPath: 'public/shengsi-3day-guide.html',
+    requirements: '按 Day1/Day2/Day3 细化到具体时间点',
+    publicUrl: 'https://m.tkmind.cn/MindSpace/u/public/shengsi-3day-guide.html',
+  });
+  assert.match(text, /public\/shengsi-3day-guide\.html/);
+  assert.match(text, /Day1/);
+  assert.match(text, /不要新建页面/);
+});
+
+test('isWechatPageRefineRequestText detects refine intents', () => {
+  assert.equal(isWechatPageRefineRequestText('页面还不够详细'), true);
+  assert.equal(isWechatPageRefineRequestText('帮我推荐跑步路线'), false);
+});

wechat/prompts/page-generate.mjs

@@ -4,6 +4,7 @@ import {
   isPageDataIntent,
 } from '../../chat-skills.mjs';
 import { buildWechatPageImageInstruction } from '../image-generation-policy.mjs';
+import { buildPageRefineTargetPromptBlock } from '../page-refine-target.mjs';
 
 /**
  * Service-account-only page generation prompt. Does not use H5 buildAutoChatSkillPrefix.
@@ -52,6 +53,7 @@ export function buildPageGenerateAgentPrompt(
   const coverExample = imageBlock
     ? '<本轮 generate_image 返回的 asset.htmlSrc>'
     : 'assets/hero.jpg';
+  const pageRefineBlock = buildPageRefineTargetPromptBlock(topic);
   const pageDataBlock = pageDataTask
     ? [
         '【Page Data 强制要求】这不是静态展示页。',
@@ -72,6 +74,7 @@ export function buildPageGenerateAgentPrompt(
     imageBlock,
     immediateContextBlock,
     carriedSessionBlock,
+    pageRefineBlock,
     pageDataBlock,
     '步骤（必须全部完成）：',
     pageDataTask