fix(wechat): complement page link delivery when reply references public html

Intent routing and reply content now both trigger HTML delivery: public links,
public/*.html paths, or html writes in the agent reply enable artifact recovery,
link attachment, and fail-closed when the claimed page is missing.

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

mindspace-wechat-html-delivery.mjs

@@ -32,6 +32,31 @@ function replyMessages(reply) {
     : [];
 }
 
+function messageVisibleText(message) {
+  if (!message?.content) return '';
+  return message.content
+    .filter((item) => item.type === 'text' && typeof item.text === 'string')
+    .map((item) => item.text)
+    .join('');
+}
+
+function collectReplyLinkScanText(reply) {
+  const parts = [];
+  const seen = new Set();
+  const append = (text) => {
+    const normalized = String(text ?? '').trim();
+    if (!normalized || seen.has(normalized)) return;
+    seen.add(normalized);
+    parts.push(normalized);
+  };
+  append(reply?.text);
+  for (const message of replyMessages(reply)) {
+    if (message?.role !== 'assistant') continue;
+    append(messageVisibleText(message));
+  }
+  return parts.join('\n');
+}
+
 function extractHtmlWriteTargets(messages = []) {
   const targets = new Set();
   for (const message of messages) {
@@ -396,7 +421,7 @@ export function prepareWechatHtmlDeliveryAtWorkspace({
     ? collectRecentArtifacts({
         publishDir,
         buildCanonicalUrl,
-        replyText: reply?.text,
+        replyText: collectReplyLinkScanText(reply),
         requestStartedAt,
       })
     : [];
@@ -421,7 +446,7 @@ export function prepareWechatHtmlDeliveryAtWorkspace({
       }) ?? artifact,
   );
   const linkedFilenames =
-    collectLinkedHtmlFilenames(reply?.text);
+    collectLinkedHtmlFilenames(collectReplyLinkScanText(reply));
   const matchedArtifacts =
     linkedFilenames.size > 0
       ? confirmedArtifacts.filter((artifact) =>
@@ -433,7 +458,7 @@ export function prepareWechatHtmlDeliveryAtWorkspace({
         )
       : confirmedArtifacts;
   const validReplyUrls = buildValidReplyUrls(
-    reply?.text,
+    collectReplyLinkScanText(reply),
     confirmedArtifacts,
   );
   return {

wechat-mp.mjs

@@ -565,6 +565,38 @@ function hasAnyPublicHtmlLink(text) {
   return [...String(text ?? '').matchAll(PUBLIC_HTML_LINK_PATTERN)].length > 0;
 }
 
+const PUBLIC_HTML_PATH_REFERENCE_PATTERN =
+  /(?:^|[\s`'"])(public\/[a-z0-9._-]+\.html)\b/i;
+
+function hasPublicHtmlPathReference(text) {
+  return PUBLIC_HTML_PATH_REFERENCE_PATTERN.test(String(text ?? ''));
+}
+
+export function hasAnyPublicHtmlLinkInReply(reply) {
+  return collectWechatAgentReplyVisibleTexts(reply).some((text) => hasAnyPublicHtmlLink(text));
+}
+
+function hasPublicHtmlPathReferenceInReply(reply) {
+  return collectWechatAgentReplyVisibleTexts(reply).some((text) => hasPublicHtmlPathReference(text));
+}
+
+export function replyImpliesPublicHtmlDelivery(reply) {
+  if (hasAnyPublicHtmlLinkInReply(reply)) return true;
+  if (hasPublicHtmlPathReferenceInReply(reply)) return true;
+  return extractHtmlWriteTargets(replyRequestMessages(reply)).length > 0;
+}
+
+export function shouldFailClosedOnMissingPublicHtmlDelivery({
+  reply,
+  confirmedArtifacts = [],
+  hasValidLinkInReply = false,
+} = {}) {
+  if (!replyImpliesPublicHtmlDelivery(reply)) return false;
+  if (nonStubHtmlArtifacts(confirmedArtifacts).length > 0) return false;
+  if (hasValidLinkInReply) return false;
+  return true;
+}
+
 function collectPublicHtmlLinkFilenames(text) {
   const filenames = new Set();
   for (const match of String(text ?? '').matchAll(PUBLIC_HTML_LINK_PATTERN)) {
@@ -857,10 +889,7 @@ async function resolveHtmlPublishArtifacts({
       intent?.agentText,
     ) ||
     isWechatPageDataTask(intent?.agentText) ||
-    hasAnyPublicHtmlLink(reply?.text) ||
+    replyImpliesPublicHtmlDelivery(reply);
-    extractHtmlWriteTargets(
-      replyRequestMessages(reply),
-    ).length > 0;
   if (
     typeof prepareDelivery !== 'function'
   ) {
@@ -961,11 +990,26 @@ export function shouldRetryHtmlGenerationReply({
   confirmedArtifacts = [],
   hasValidLinkInReply = false,
 }) {
-  if (!looksLikeHtmlGenerationIntent(intent?.agentText)) return false;
-
   if (nonStubHtmlArtifacts(confirmedArtifacts).length > 0) return false;
 
-  const replyHasPublicLinks = hasAnyPublicHtmlLink(reply?.text);
+  const replyHasPublicLinks = hasAnyPublicHtmlLinkInReply(reply);
+  const replyImpliesDelivery = replyImpliesPublicHtmlDelivery(reply);
+
+  if (replyImpliesDelivery) {
+    if (replyHasPublicLinks && !hasValidLinkInReply) return true;
+    if (
+      extractHtmlWriteTargets(replyRequestMessages(reply)).length > 0
+      && confirmedArtifacts.length === 0
+    ) {
+      return true;
+    }
+    if (hasPublicHtmlPathReferenceInReply(reply) && confirmedArtifacts.length === 0) {
+      return true;
+    }
+  }
+
+  if (!looksLikeHtmlGenerationIntent(intent?.agentText)) return false;
+
   if (replyHasPublicLinks) {
     if (!hasValidLinkInReply) return true;
     if (isMissingRequiredPublishSkill(reply, intent)) return true;
@@ -2650,6 +2694,9 @@ export function createWechatMpService({
           error.code = 'WECHAT_IMAGE_GENERATION_REQUIRED';
           throw error;
         }
+        const replyImpliesHtmlDelivery = replyImpliesPublicHtmlDelivery(reply);
+        const effectiveHtmlDelivery = htmlArtifactDeliveryExpected || replyImpliesHtmlDelivery;
+        const allowRecentForDelivery = allowHtmlArtifactRecovery || replyImpliesHtmlDelivery;
         const {
           publishedArtifacts,
           expectedArtifacts,
@@ -2665,7 +2712,7 @@ export function createWechatMpService({
           userId: user.userId,
           sessionId,
           onPageGenerated,
-          allowRecentArtifacts: allowHtmlArtifactRecovery,
+          allowRecentArtifacts: allowRecentForDelivery,
           htmlDeliveryAuthority,
         });
         confirmedArtifacts = resolvedConfirmedArtifacts;
@@ -2686,7 +2733,7 @@ export function createWechatMpService({
             linkExistsForRequest,
             { confirmedArtifacts },
           );
-        const replyHasPublicLinks = hasAnyPublicHtmlLink(reply?.text);
+        const replyHasPublicLinks = hasAnyPublicHtmlLinkInReply(reply);
         const suspiciousPublishClaim =
           expectedArtifacts.length === 0 &&
           recentArtifacts.length === 0 &&
@@ -2699,7 +2746,7 @@ export function createWechatMpService({
         });
         const bareCompletionReply = isSuspiciousBareCompletionReply(reply, intent);
         publishArtifacts =
-          htmlArtifactDeliveryExpected || publishedArtifacts.length > 0
+          effectiveHtmlDelivery || publishedArtifacts.length > 0
             ? selectSendableHtmlArtifacts({ verifiedArtifacts, confirmedArtifacts })
             : [];
 
@@ -2765,6 +2812,23 @@ export function createWechatMpService({
             }
             throw markWechatUserNotified(new Error(text));
           }
+        } else if (
+          replyImpliesHtmlDelivery &&
+          shouldFailClosedOnMissingPublicHtmlDelivery({
+            reply,
+            confirmedArtifacts,
+            hasValidLinkInReply,
+          })
+        ) {
+          const text = buildHtmlPublishFailureText();
+          try {
+            await sendWechatFailureNotice(inbound.fromUserName, text, user, {
+              sourceMsgId: intent.msgId,
+            });
+          } catch (sendErr) {
+            logger.error?.('WeChat MP reply-implied html delivery failure notice failed:', sendErr);
+          }
+          throw markWechatUserNotified(new Error(text));
         } else if (htmlGenerationNeedsRetry || suspiciousPublishClaim) {
           throw new Error('stale_session_poisoned_completion');
         }
@@ -2998,6 +3062,9 @@ export function createWechatMpService({
           error.code = 'WECHAT_IMAGE_GENERATION_REQUIRED';
           throw error;
         }
+        const replyImpliesHtmlDelivery = replyImpliesPublicHtmlDelivery(reply);
+        const effectiveHtmlDelivery = htmlArtifactDeliveryExpected || replyImpliesHtmlDelivery;
+        const allowRecentForDelivery = allowHtmlArtifactRecovery || replyImpliesHtmlDelivery;
         const {
           publishedArtifacts,
           verifiedArtifacts,
@@ -3013,7 +3080,7 @@ export function createWechatMpService({
           userId: user.userId,
           sessionId,
           onPageGenerated,
-          allowRecentArtifacts: allowHtmlArtifactRecovery,
+          allowRecentArtifacts: allowRecentForDelivery,
           htmlDeliveryAuthority,
         });
         const linkExistsForRequest =
@@ -3032,7 +3099,7 @@ export function createWechatMpService({
             linkExistsForRequest,
             { confirmedArtifacts },
           );
-        const replyHasPublicLinks = hasAnyPublicHtmlLink(reply?.text);
+        const replyHasPublicLinks = hasAnyPublicHtmlLinkInReply(reply);
         const suspiciousPublishClaim =
           expectedArtifacts.length === 0 &&
           recentArtifacts.length === 0 &&
@@ -3045,7 +3112,7 @@ export function createWechatMpService({
         });
         const bareCompletionReply = isSuspiciousBareCompletionReply(reply, intent);
         let publishArtifacts =
-          htmlArtifactDeliveryExpected || publishedArtifacts.length > 0
+          effectiveHtmlDelivery || publishedArtifacts.length > 0
             ? selectSendableHtmlArtifacts({ verifiedArtifacts, confirmedArtifacts })
             : [];
 
@@ -3094,6 +3161,23 @@ export function createWechatMpService({
             }
             throw markWechatUserNotified(new Error(text));
           }
+        } else if (
+          replyImpliesHtmlDelivery &&
+          shouldFailClosedOnMissingPublicHtmlDelivery({
+            reply,
+            confirmedArtifacts,
+            hasValidLinkInReply,
+          })
+        ) {
+          const text = buildHtmlPublishFailureText();
+          try {
+            await sendWechatFailureNotice(inbound.fromUserName, text, user, {
+              sourceMsgId: intent.msgId,
+            });
+          } catch (sendErr) {
+            logger.error?.('WeChat MP reply-implied html delivery retry failure notice failed:', sendErr);
+          }
+          throw markWechatUserNotified(new Error(text));
         } else if (htmlGenerationNeedsRetry || suspiciousPublishClaim) {
           throw new Error(buildHtmlPublishFailureText());
         }

wechat-mp.test.mjs

@@ -23,6 +23,9 @@ import {
   shouldRotateUnlinkedWechatRoute,
   shouldRetryHtmlGenerationReply,
   shouldForceNewWechatAgentSession,
+  hasAnyPublicHtmlLinkInReply,
+  replyImpliesPublicHtmlDelivery,
+  shouldFailClosedOnMissingPublicHtmlDelivery,
   splitWechatText,
   verifyWechatMpSignature,
   verifyWechatMpUrlChallenge,
@@ -728,6 +731,105 @@ test('shouldRetryHtmlGenerationReply allows normal H5 agent text without fake pa
   );
 });
 
+test('replyImpliesPublicHtmlDelivery detects public links in assistant messages for chat.general', () => {
+  const reply = {
+    text: '以下是专题报告摘要。',
+    messages: [
+      {
+        role: 'assistant',
+        content: [
+          {
+            type: 'text',
+            text: '完整报告：https://m.tkmind.cn/MindSpace/user-1/public/ai-out-of-control-report.html',
+          },
+        ],
+      },
+    ],
+  };
+  assert.equal(replyImpliesPublicHtmlDelivery(reply), true);
+  assert.equal(hasAnyPublicHtmlLinkInReply(reply), true);
+});
+
+test('shouldRetryHtmlGenerationReply fails closed for chat.general when reply claims missing public html', () => {
+  const intent = { agentText: '帮我深度搜索一下AI失控话题' };
+  const reply = {
+    text: '报告已生成。',
+    messages: [
+      {
+        role: 'assistant',
+        content: [
+          {
+            type: 'text',
+            text: '查看页面：https://m.tkmind.cn/MindSpace/user-1/public/ai-out-of-control-report.html',
+          },
+        ],
+      },
+    ],
+  };
+  assert.equal(
+    shouldRetryHtmlGenerationReply({
+      reply,
+      intent,
+      confirmedArtifacts: [],
+      hasValidLinkInReply: false,
+    }),
+    true,
+  );
+  assert.equal(
+    shouldFailClosedOnMissingPublicHtmlDelivery({
+      reply,
+      confirmedArtifacts: [],
+      hasValidLinkInReply: false,
+    }),
+    true,
+  );
+});
+
+test('replyImpliesPublicHtmlDelivery attaches delivery when confirmed artifact exists', async (t) => {
+  const workspaceRoot = fs.mkdtempSync('/tmp/wechat-mp-reply-implied-');
+  t.after(() => {
+    fs.rmSync(workspaceRoot, { recursive: true, force: true });
+  });
+  const htmlPath = `${workspaceRoot}/public/ai-out-of-control-report.html`;
+  fs.mkdirSync(path.dirname(htmlPath), { recursive: true });
+  fs.writeFileSync(htmlPath, '<!doctype html><title>AI Out Of Control</title><body>report</body>');
+  const reply = {
+    text: '以下是 AI 失控专题摘要。',
+    messages: [
+      {
+        role: 'assistant',
+        content: [
+          {
+            type: 'text',
+            text: '完整报告见 public/ai-out-of-control-report.html',
+          },
+        ],
+      },
+    ],
+  };
+  assert.equal(replyImpliesPublicHtmlDelivery(reply), true);
+  const prepared = prepareWechatHtmlDeliveryAtWorkspace({
+    reply,
+    publishDir: workspaceRoot,
+    buildCanonicalUrl: (relativePath) =>
+      `https://m.tkmind.cn/MindSpace/user-1/${relativePath}`,
+    allowRecentArtifacts: true,
+  });
+  assert.equal(prepared.confirmedArtifacts.length, 1);
+  assert.equal(
+    shouldFailClosedOnMissingPublicHtmlDelivery({
+      reply,
+      confirmedArtifacts: prepared.confirmedArtifacts,
+      hasValidLinkInReply: false,
+    }),
+    false,
+  );
+  const text = await maybeAttachPublishedHtmlLink(reply, {
+    artifacts: prepared.confirmedArtifacts,
+  });
+  assert.match(text, /https:\/\/m\.tkmind\.cn\/MindSpace\/user-1\/public\/ai-out-of-control-report\.html/);
+});
+
 test('wechat mp service rejects blocked publish claims that did not use the H5 page skill', async () => {
   const wechatCalls = [];
   const service = createBoundWechatService({