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 {