fix: broaden WeChat session page continuation phrasing

Recognize retry, HTML page, page edits, and poem content edits as session continuations so delivery skips fresh-thumbnail forcing and retains agent context for multi-turn page work.

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

wechat/intent/page-continuation.mjs

@@ -0,0 +1,69 @@
+/** WeChat short follow-ups that continue an in-session page or poem without a full new topic. */
+
+const PAGE_DECORATORS =
+  '(?:精美(?:的)?|漂亮(?:的)?|好看(?:的)?|简约(?:的)?|优雅(?:的)?)';
+
+export const PAGE_RETRY_PATTERN =
+  /^(?:(?:请|麻烦|可以|能不能)\s*)?(?:(?:帮我|帮忙|给我)\s*)?重试(?:上次|上一个)?页面[。.!！\s]*$/iu;
+
+export const PAGE_EDIT_PATTERN =
+  /^(?:(?:请|麻烦|可以|能不能)\s*)?(?:(?:帮我|帮忙|给我)\s*)?(?:(?:把|将)\s*)?(?:(?:这个|刚才(?:的)?|上面(?:的)?|前面(?:的)?|上一条|它|刚才(?:生成|做|弄)(?:的)?|上面(?:生成|做|弄)(?:的)?)\s*)?(?:的)?\s*(?:页面|网页|html)?\s*(?:的)?\s*(?:内容|标题|背景|样式|排版|封面|页脚|字体|颜色)?\s*(?:改|修改|调整|更新|换|优化|美化)/iu;
+
+export const PAGE_IMMEDIATE_CREATE_PATTERN =
+  new RegExp(
+    '^'
+      + '(?:(?:请|麻烦|可以|能不能)\\s*)?'
+      + '(?:(?:帮我|帮忙|给我)\\s*)?'
+      + '(?:(?:把\\s*)?(?:这个|刚才(?:的)?(?:诗|文章|内容)?|上面(?:的)?|前面(?:的)?|上一条|它|这首(?:诗)?|这篇(?:文章)?|这段(?:内容)?)\\s*)?'
+      + '(?:继续\\s*)?'
+      + '(?:做|弄|改|转|写|排版|生成|制作)(?:成|为)?\\s*'
+      + '(?:一个|个)?'
+      + '(?:(?:\\s*'
+      + PAGE_DECORATORS
+      + '){1,3}\\s*(?:h5|html)|(?:\\s*(?:h5|html)))?'
+      + '\\s*(?:页面|网页)(?:吧|呀|呢|一下)?[。.!！\\s]*'
+      + '$',
+    'iu',
+  );
+
+export const PAGE_CONTENT_EDIT_PATTERN =
+  /^(?:(?:请|麻烦|可以|能不能)\s*)?(?:(?:帮我|帮忙|给我)\s*)?(?:(?:把|将)\s*)?(?:(?:这个|刚才(?:的)?|上面(?:的)?|前面(?:的)?|它|这首(?:诗)?|这篇(?:文章)?|这段(?:内容)?|诗(?:里|中)?)\s*)?(?:的)?\s*(?:[\p{L}\p{N}]{0,12}\s*)?(?:改|修改|调整|更新|换|加长|缩短|润色)/iu;
+
+export function isWechatPageRetryText(text) {
+  const normalized = String(text ?? '').trim();
+  return Boolean(normalized && PAGE_RETRY_PATTERN.test(normalized));
+}
+
+export function isWechatPageEditText(text) {
+  const normalized = String(text ?? '').trim();
+  return Boolean(normalized && PAGE_EDIT_PATTERN.test(normalized));
+}
+
+export function isWechatContentEditFollowup(text) {
+  const normalized = String(text ?? '').trim();
+  return Boolean(normalized && PAGE_CONTENT_EDIT_PATTERN.test(normalized));
+}
+
+export function isWechatImmediateContextPageCreate(wechatIntent, text) {
+  if (wechatIntent?.kind !== 'page.generate') return false;
+  const normalized = String(text ?? '').trim();
+  return Boolean(normalized && PAGE_IMMEDIATE_CREATE_PATTERN.test(normalized));
+}
+
+export function isWechatSessionPageContinuation(wechatIntent, text) {
+  const normalized = String(text ?? '').trim();
+  if (!normalized) return false;
+  if (isWechatPageRetryText(normalized)) return true;
+  if (isWechatImmediateContextPageCreate(wechatIntent, normalized)) return true;
+  if (wechatIntent?.kind === 'page.generate' && isWechatPageEditText(normalized)) return true;
+  if (wechatIntent?.kind === 'chat.general' && isWechatContentEditFollowup(normalized)) return true;
+  return false;
+}
+
+export function expectsWechatHtmlArtifactDelivery(wechatIntent, text) {
+  const normalized = String(text ?? '').trim();
+  return (
+    wechatIntent?.kind === 'page.generate'
+    || isWechatSessionPageContinuation(wechatIntent, normalized)
+  );
+}

wechat/intent/patterns.mjs

@@ -1,5 +1,10 @@
 /** WeChat channel intent patterns — not shared with H5 chat-skills routing. */
 
+import {
+  isWechatPageEditText,
+  isWechatPageRetryText,
+} from './page-continuation.mjs';
+
 export const PAGE_GENERATE_PATTERN =
   /(?:生成|创建|做|写|帮我.*(?:生成|创建|做|写)).*(?:html|页面|网页|page|文件)/iu;
 
@@ -25,7 +30,11 @@ export function isPageGenerateText(text) {
   const normalized = String(text ?? '').trim();
   if (!normalized) return false;
   if (PAGE_GENERATE_NEGATION_PATTERN.test(normalized)) return false;
-  return PAGE_GENERATE_PATTERN.test(normalized);
+  return (
+    PAGE_GENERATE_PATTERN.test(normalized)
+    || isWechatPageRetryText(normalized)
+    || isWechatPageEditText(normalized)
+  );
 }
 
 export function isTopicResetText(text) {

wechat/prompts/chat-general.mjs

@@ -8,7 +8,11 @@ import { buildCurrentTimeAgentPrefix } from '../../user-memory-profile.mjs';
 import { isPageGenerateText, wantsDocxDownload } from '../intent/patterns.mjs';
 import { buildWechatStandaloneImageInstruction } from '../image-generation-policy.mjs';
 
-export function buildWechatAgentPrompt(intent, { grantedSkills = [], imagePolicy = null } = {}) {
+export function buildWechatAgentPrompt(intent, {
+  grantedSkills = [],
+  imagePolicy = null,
+  preferSessionPageContinuation = false,
+} = {}) {
   const msgType = String(intent?.msgType ?? 'text');
   const agentText = intent?.agentText ?? intent?.content ?? '';
   const autoSkillPrefix =
@@ -56,6 +60,14 @@ export function buildWechatAgentPrompt(intent, { grantedSkills = [], imagePolicy
         '',
       ].join('\n')
     : '';
+  const sessionPageContinuationHint = preferSessionPageContinuation
+    ? [
+        '【会话页面续作】用户在修改本会话刚生成的页面或诗/文章内容。',
+        '必须读取当前会话最近 assistant 回复或已落盘的 public/*.html，用 edit_file 更新目标 HTML。',
+        '禁止切换到无关主题；没有 edit_file/write_file 落盘就不要声称已修改或发送链接。',
+        '',
+      ].join('\n')
+    : '';
   const scheduleTimezone = process.env.H5_DEFAULT_TIMEZONE || 'Asia/Shanghai';
   const currentTimeHint = buildCurrentTimeAgentPrefix({ timezone: scheduleTimezone });
   const scheduleAssistantHint = shouldUseScheduleAssistant(agentText)
@@ -156,6 +168,7 @@ export function buildWechatAgentPrompt(intent, { grantedSkills = [], imagePolicy
   if (docxDownloadHint) lines.push(docxDownloadHint);
   if (pageDataCollectHint) lines.push(pageDataCollectHint);
   if (pageDataRepairHint) lines.push(pageDataRepairHint);
+  if (sessionPageContinuationHint) lines.push(sessionPageContinuationHint);
   if (pagePublishHint) lines.push(pagePublishHint);
   if (scheduleAssistantHint) lines.push(scheduleAssistantHint);
   if (imageGenerationHint) lines.push(imageGenerationHint);

wechat/prompts/page-generate.mjs

@@ -31,11 +31,12 @@ export function buildPageGenerateAgentPrompt(
   });
   const immediateContextBlock = preferImmediateContext
     ? [
-        '【即时上下文优先】当前需求是对本会话紧邻内容的续作。',
-        '“这个/刚才/做成页面”等指代只能解析为当前会话最近一条 assistant 回复中的完整正文（如诗全文、文章全文），禁止用长期记忆、历史偏好或旧任务替换主题。',
+        '【即时上下文优先】当前需求是对本会话紧邻内容的续作（做成页面、修改页面、重试上次页面或改诗/文章内容）。',
+        '“这个/刚才/做成页面/修改页面/重试上次页面”等指代只能解析为当前会话最近一条 assistant 回复或最近落盘的 public/*.html，禁止用长期记忆、历史偏好或旧任务替换主题。',
         '如果当前会话没有可辨识的紧邻内容，必须请用户补充主题，禁止猜测并生成其他页面。',
-        '【write_file 硬门槛】必须先 `load_skill` → `static-page-publish`，再用 `write_file`/`edit_file` 把紧邻正文完整写入 `public/*.html` 后才能结束。',
-        '禁止只调用 load_skill、todo_write 或 generate_image 就回复；没有 write_file 落盘 HTML 视为未完成。',
+        '【write_file 硬门槛】必须先 `load_skill` → `static-page-publish`，再用 `write_file`/`edit_file` 写入或更新 `public/*.html` 后才能结束。',
+        '修改已有页面时必须 edit_file 更新同一 HTML 或明确的新文件，禁止只回复文字说明。',
+        '禁止只调用 load_skill、todo_write 或 generate_image 就回复；没有 write_file/edit_file 落盘 HTML 视为未完成。',
         '缩略图/配图可选：优先完成 HTML 落盘与 mindspace-cover；没有 hero 图时 cover 可用 CSS 渐变或 omit，不要卡在 generate_image。',
         '',
       ].join('\n')

wechat/wechat-page-continuation.test.mjs

@@ -0,0 +1,39 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { classifyWechatIntent } from './intent/classifier.mjs';
+import {
+  isWechatSessionPageContinuation,
+  isWechatPageRetryText,
+  isWechatPageEditText,
+  isWechatContentEditFollowup,
+} from './intent/page-continuation.mjs';
+
+test('WeChat page continuation detects retry and edit phrasings', () => {
+  assert.equal(isWechatPageRetryText('重试上次页面'), true);
+  assert.equal(isWechatPageEditText('修改刚才生成的页面，背景改成浅蓝色'), true);
+  assert.equal(isWechatContentEditFollowup('把诗里第三段改长一点'), true);
+
+  const retryIntent = classifyWechatIntent({ msgType: 'text', agentText: '重试上次页面' });
+  assert.equal(retryIntent.kind, 'page.generate');
+  assert.equal(isWechatSessionPageContinuation(retryIntent, '重试上次页面'), true);
+
+  const editIntent = classifyWechatIntent({
+    msgType: 'text',
+    agentText: '把页面标题改成《七月清晨》',
+  });
+  assert.equal(editIntent.kind, 'page.generate');
+  assert.equal(isWechatSessionPageContinuation(editIntent, editIntent.topic), true);
+
+  const poemEdit = classifyWechatIntent({ msgType: 'text', agentText: '把诗里第三段改长一点' });
+  assert.equal(poemEdit.kind, 'chat.general');
+  assert.equal(isWechatSessionPageContinuation(poemEdit, '把诗里第三段改长一点'), true);
+});
+
+test('WeChat page continuation rejects full new-topic page requests', () => {
+  const intent = classifyWechatIntent({
+    msgType: 'text',
+    agentText: '帮我做一个上海旅游攻略页面',
+  });
+  assert.equal(intent.kind, 'page.generate');
+  assert.equal(isWechatSessionPageContinuation(intent, intent.topic), false);
+});