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>

scenarios/wechat-poem-page-modify.json

@@ -0,0 +1,56 @@
+{
+  "id": "wechat-poem-page-modify",
+  "name": "写诗→做页面→修改页面（H5 多轮）",
+  "description": "模拟服务号常见三回合：写诗、做成页面、修改页面内容",
+  "account": {
+    "username": "john",
+    "password": "888888"
+  },
+  "steps": [
+    {
+      "action": "login",
+      "label": "登录"
+    },
+    {
+      "action": "chat",
+      "label": "请求写诗",
+      "message": "帮我写一首关于七月午后的短诗，四段即可",
+      "expect": {
+        "assistantMinChars": 40,
+        "timeoutMs": 180000,
+        "replyKeywords": ["七月", "午"]
+      }
+    },
+    {
+      "action": "chat",
+      "label": "做成精美 HTML 页面",
+      "message": "生成一个精美的 HTML 页面",
+      "expect": {
+        "assistantMinChars": 20,
+        "timeoutMs": 300000,
+        "replyKeywords": ["七月", "午"],
+        "page": {
+          "keywords": ["七月", "午"],
+          "requirePublicLink": true,
+          "requireHttp200": true,
+          "requireMindspaceCover": true
+        }
+      }
+    },
+    {
+      "action": "chat",
+      "label": "修改页面标题",
+      "message": "把页面标题改成《七月的午后》",
+      "expect": {
+        "assistantMinChars": 10,
+        "timeoutMs": 300000,
+        "replyKeywords": ["七月"],
+        "page": {
+          "keywords": ["七月的午后", "七月"],
+          "requirePublicLink": true,
+          "requireHttp200": true
+        }
+      }
+    }
+  ]
+}

scripts/verify-wechat-page-phrasing.mjs

@@ -0,0 +1,155 @@
+#!/usr/bin/env node
+/**
+ * Matrix test for WeChat page phrasing: intent, session continuation, delivery policy.
+ * Run: node scripts/verify-wechat-page-phrasing.mjs
+ */
+import assert from 'node:assert/strict';
+import { classifyWechatIntent } from '../wechat/intent/classifier.mjs';
+import {
+  isWechatSessionPageContinuation,
+  isWechatImmediateContextPageCreate,
+} from '../wechat/intent/page-continuation.mjs';
+import { resolveWechatImageGenerationPolicy, WECHAT_PAGE_THUMBNAIL_MODE } from '../wechat/image-generation-policy.mjs';
+import {
+  isWechatImmediateContextFollowup,
+  shouldDeliverWechatHtmlArtifacts,
+} from '../wechat-mp.mjs';
+import { buildPageGenerateAgentPrompt } from '../wechat/prompts/page-generate.mjs';
+import { buildWechatAgentPrompt } from '../wechat/prompts/chat-general.mjs';
+
+const cases = [
+  {
+    label: '完整单条页面需求',
+    text: '帮我做一个上海旅游攻略页面',
+    expect: {
+      kind: 'page.generate',
+      continuation: false,
+      freshThumbnail: true,
+      deliverHtml: true,
+    },
+  },
+  {
+    label: '写诗（普通聊天）',
+    text: '帮我写一首诗吧',
+    expect: {
+      kind: 'chat.general',
+      continuation: false,
+      freshThumbnail: false,
+      deliverHtml: false,
+    },
+  },
+  {
+    label: '短指代做成页面',
+    text: '把刚才的诗做成页面',
+    expect: {
+      kind: 'page.generate',
+      continuation: true,
+      freshThumbnail: false,
+      deliverHtml: true,
+    },
+  },
+  {
+    label: '精美 HTML 页面',
+    text: '生成一个精美的 HTML 页面',
+    expect: {
+      kind: 'page.generate',
+      continuation: true,
+      freshThumbnail: false,
+      deliverHtml: true,
+    },
+  },
+  {
+    label: '重试上次页面',
+    text: '重试上次页面',
+    expect: {
+      kind: 'page.generate',
+      continuation: true,
+      freshThumbnail: false,
+      deliverHtml: true,
+    },
+  },
+  {
+    label: '修改刚才页面样式',
+    text: '修改刚才生成的页面，背景改成浅蓝色',
+    expect: {
+      kind: 'page.generate',
+      continuation: true,
+      freshThumbnail: false,
+      deliverHtml: true,
+    },
+  },
+  {
+    label: '改页面标题',
+    text: '把页面标题改成《七月清晨》',
+    expect: {
+      kind: 'page.generate',
+      continuation: true,
+      freshThumbnail: false,
+      deliverHtml: true,
+    },
+  },
+  {
+    label: '改诗内容（会话续作）',
+    text: '把诗里第三段改长一点',
+    expect: {
+      kind: 'chat.general',
+      continuation: true,
+      freshThumbnail: false,
+      deliverHtml: true,
+    },
+  },
+];
+
+let passed = 0;
+let failed = 0;
+
+for (const item of cases) {
+  const intent = { msgType: 'text', agentText: item.text, displayText: item.text };
+  const wechatIntent = classifyWechatIntent(intent);
+  const continuation = isWechatSessionPageContinuation(wechatIntent, item.text);
+  const policy = resolveWechatImageGenerationPolicy({
+    text: item.text,
+    isPageGenerate: wechatIntent.kind === 'page.generate',
+    requireFreshPageThumbnail: continuation ? false : true,
+  });
+  const deliverHtml = shouldDeliverWechatHtmlArtifacts(wechatIntent, intent);
+  const errors = [];
+  if (wechatIntent.kind !== item.expect.kind) {
+    errors.push(`kind expected ${item.expect.kind}, got ${wechatIntent.kind}`);
+  }
+  if (continuation !== item.expect.continuation) {
+    errors.push(`continuation expected ${item.expect.continuation}, got ${continuation}`);
+  }
+  const freshRequired = policy.pageThumbnailMode === WECHAT_PAGE_THUMBNAIL_MODE.REQUIRED_FRESH;
+  if (freshRequired !== item.expect.freshThumbnail) {
+    errors.push(`freshThumbnail expected ${item.expect.freshThumbnail}, got ${freshRequired}`);
+  }
+  if (deliverHtml !== item.expect.deliverHtml) {
+    errors.push(`deliverHtml expected ${item.expect.deliverHtml}, got ${deliverHtml}`);
+  }
+  if (item.expect.continuation && wechatIntent.kind === 'page.generate') {
+    const prompt = buildPageGenerateAgentPrompt(intent, {
+      preferImmediateContext: continuation,
+      imagePolicy: policy,
+    });
+    if (!/即时上下文优先/.test(prompt)) errors.push('page prompt missing immediate context block');
+    if (!/write_file 硬门槛/.test(prompt)) errors.push('page prompt missing write_file gate');
+  }
+  if (item.expect.continuation && wechatIntent.kind === 'chat.general') {
+    const prompt = buildWechatAgentPrompt(intent, { preferSessionPageContinuation: continuation });
+    if (!/会话页面续作/.test(prompt)) errors.push('chat prompt missing session continuation block');
+  }
+  if (errors.length) {
+    failed += 1;
+    console.error(`✘ ${item.label}: ${errors.join('; ')}`);
+  } else {
+    passed += 1;
+    console.log(`✔ ${item.label}`);
+  }
+}
+
+assert.equal(isWechatImmediateContextFollowup({ kind: 'page.generate' }, '把刚才的诗做成页面'), true);
+assert.equal(isWechatImmediateContextPageCreate({ kind: 'page.generate' }, '生成一个精美的 HTML 页面'), true);
+
+console.log(`\n=== 汇总: ${passed}/${cases.length} 话术矩阵通过 ===`);
+if (failed > 0) process.exit(1);

wechat-mp.mjs

@@ -31,6 +31,11 @@ import {
   isPageDataDevIntent,
   isPageDataIntent,
 } from './chat-skills.mjs';
+import {
+  isWechatImmediateContextPageCreate,
+  isWechatSessionPageContinuation,
+  isWechatContentEditFollowup,
+} from './wechat/intent/page-continuation.mjs';
 import { resolvePageGenerateOutcome } from './wechat/handlers/page-generate.mjs';
 import {
   buildWechatImageRunMetadata,
@@ -975,31 +980,12 @@ export function shouldForceNewWechatAgentSession(wechatIntent, resetCandidate) {
   );
 }
 
-const WECHAT_IMMEDIATE_CONTEXT_PAGE_DECORATORS =
-  '(?:精美(?:的)?|漂亮(?:的)?|好看(?:的)?|简约(?:的)?|优雅(?:的)?)';
-const WECHAT_IMMEDIATE_CONTEXT_PAGE_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*'
-      + WECHAT_IMMEDIATE_CONTEXT_PAGE_DECORATORS
-      + '){1,3}\\s*(?:h5|html)|(?:\\s*(?:h5|html)))?'
-      + '\\s*(?:页面|网页)(?:吧|呀|呢|一下)?[。.!！\\s]*'
-      + '$',
-    'iu',
-  );
-
 export function isWechatImmediateContextFollowup(wechatIntent, text) {
-  if (wechatIntent?.kind !== 'page.generate') return false;
-  const normalized = String(text ?? '').trim();
-  return Boolean(normalized && WECHAT_IMMEDIATE_CONTEXT_PAGE_PATTERN.test(normalized));
+  return isWechatImmediateContextPageCreate(wechatIntent, text);
 }
 
+export { isWechatSessionPageContinuation };
+
 export function shouldRotateUnlinkedWechatRoute({
   routeUpdatedAt,
   wechatMessageCount,
@@ -1035,10 +1021,12 @@ export function isRecoverableWechatAgentSessionError(message) {
 }
 
 export function shouldDeliverWechatHtmlArtifacts(wechatIntent, intent) {
+  const text = String(intent?.agentText ?? intent?.displayText ?? '').trim();
   return (
     wechatIntent?.kind === 'page.generate'
-    || looksLikeHtmlGenerationIntent(intent?.agentText)
-    || isPageDataIntent(intent?.agentText)
+    || looksLikeHtmlGenerationIntent(text)
+    || isPageDataIntent(text)
+    || (wechatIntent?.kind === 'chat.general' && isWechatContentEditFollowup(text))
   );
 }
 
@@ -2443,13 +2431,13 @@ export function createWechatMpService({
       intent.msgType === 'text' || intent.msgType === 'voice' ? intent.agentText : '';
     const isPageDataRequest = isWechatPageDataTask(resetCandidate);
     const htmlArtifactDeliveryExpected = shouldDeliverWechatHtmlArtifacts(wechatIntent, intent);
-    const immediateContextFollowup =
-      isWechatImmediateContextFollowup(wechatIntent, resetCandidate);
+    const sessionPageContinuation =
+      isWechatSessionPageContinuation(wechatIntent, resetCandidate);
     const imagePolicy = resolveWechatImageGenerationPolicy({
       text: resetCandidate,
       isPageGenerate: wechatIntent.kind === 'page.generate',
       requireFreshPageThumbnail:
-        config.requireFreshPageThumbnail && !immediateContextFollowup,
+        config.requireFreshPageThumbnail && !sessionPageContinuation,
     });
     // Page Data delivery owns persistent files, datasets and two publication
     // policies. Reusing a conversational route here can make a new request
@@ -2460,7 +2448,7 @@ export function createWechatMpService({
       openid: inbound.fromUserName,
       userContext: user,
       forceNew,
-      retainUnlinkedRoute: immediateContextFollowup,
+      retainUnlinkedRoute: sessionPageContinuation,
     });
     let sessionId = route.sessionId;
     await ensureSessionProvider(sessionId);
@@ -2501,11 +2489,14 @@ export function createWechatMpService({
           ? buildPageGenerateAgentPrompt(intent, {
               wantsDocx: wechatIntent.wantsDocx,
               imagePolicy,
-              preferImmediateContext: immediateContextFollowup,
+              preferImmediateContext: sessionPageContinuation,
             })
-          : buildWechatAgentPrompt(intent, { imagePolicy });
+          : buildWechatAgentPrompt(intent, {
+              imagePolicy,
+              preferSessionPageContinuation: sessionPageContinuation,
+            });
       const maxImmediateContextPageAttempts =
-        wechatIntent.kind === 'page.generate' && immediateContextFollowup ? 2 : 1;
+        wechatIntent.kind === 'page.generate' && sessionPageContinuation ? 2 : 1;
       let reply;
       let publishArtifacts = [];
       let confirmedArtifacts = [];
@@ -2531,7 +2522,7 @@ export function createWechatMpService({
               userId: user.userId,
               sessionId,
               userMessage,
-              preserveAgentPrompt: immediateContextFollowup,
+              preserveAgentPrompt: sessionPageContinuation,
             }),
             submitReply: submitSessionReply
               ? ({ requestId: replyRequestId, userMessage }) =>
@@ -2773,7 +2764,7 @@ export function createWechatMpService({
         sessionId
         && (isRecoverableWechatAgentSessionError(message) || isWechatAgentApiErrorText(message));
       if (mayBeStaleSession) {
-        if (immediateContextFollowup) {
+        if (sessionPageContinuation) {
           await userAuth.clearWechatAgentRoute(config.appId, inbound.fromUserName).catch((clearErr) => {
             logger.warn?.('WeChat MP contextual follow-up route clear failed:', clearErr);
           });
@@ -2804,9 +2795,12 @@ export function createWechatMpService({
             ? buildPageGenerateAgentPrompt(intent, {
                 wantsDocx: wechatIntent.wantsDocx,
                 imagePolicy,
-                preferImmediateContext: immediateContextFollowup,
+                preferImmediateContext: sessionPageContinuation,
               })
-            : buildWechatAgentPrompt(intent, { imagePolicy });
+            : buildWechatAgentPrompt(intent, {
+                imagePolicy,
+                preferSessionPageContinuation: sessionPageContinuation,
+              });
         const reply = await executeSessionReply(
           (pathname, init) => fetchForSession(sessionId, pathname, init),
           sessionId,
@@ -2822,7 +2816,7 @@ export function createWechatMpService({
               userId: user.userId,
               sessionId,
               userMessage,
-              preserveAgentPrompt: immediateContextFollowup,
+              preserveAgentPrompt: sessionPageContinuation,
             }),
             submitReply: submitSessionReply
               ? ({ requestId: replyRequestId, userMessage }) =>

wechat-mp.test.mjs

@@ -17,6 +17,8 @@ import {
   loadWechatMpConfig,
   maybeAttachPublishedHtmlLink,
   isWechatImmediateContextFollowup,
+  isWechatSessionPageContinuation,
+  shouldDeliverWechatHtmlArtifacts,
   isWechatPageDataTask,
   shouldRotateUnlinkedWechatRoute,
   shouldRetryHtmlGenerationReply,
@@ -29,6 +31,7 @@ import {
   WECHAT_CUSTOMER_TEXT_MAX_BYTES,
 } from './wechat-mp.mjs';
 import { createChatIntentRouter } from './chat-intent-router.mjs';
+import { classifyWechatIntent } from './wechat/intent/classifier.mjs';
 import { buildPageGenerateAgentPrompt, buildImmediateContextPageRepairPrompt } from './wechat/prompts/page-generate.mjs';
 import { resolveWechatImageGenerationPolicy, WECHAT_PAGE_THUMBNAIL_MODE } from './wechat/image-generation-policy.mjs';
 import {
@@ -365,6 +368,22 @@ test('WeChat immediate-context page guard does not match complete page requests'
   assert.doesNotMatch(ordinaryPrompt, /write_file 硬门槛/);
 });
 
+test('WeChat session page continuation covers retry, edit, and poem edits', () => {
+  const retry = classifyWechatIntent({ msgType: 'text', agentText: '重试上次页面' });
+  assert.equal(retry.kind, 'page.generate');
+  assert.equal(isWechatSessionPageContinuation(retry, '重试上次页面'), true);
+  const edit = classifyWechatIntent({ msgType: 'text', agentText: '把页面标题改成《七月清晨》' });
+  assert.equal(edit.kind, 'page.generate');
+  assert.equal(isWechatSessionPageContinuation(edit, edit.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);
+  assert.equal(
+    shouldDeliverWechatHtmlArtifacts(poemEdit, { agentText: '把诗里第三段改长一点' }),
+    true,
+  );
+});
+
 test('WeChat immediate-context page skips fresh thumbnail requirement', () => {
   const policy = resolveWechatImageGenerationPolicy({
     text: '把刚才的诗做成页面',

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);
+});