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-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 }) =>