fix(wechat): recognize news page intents and harden scheduled task delivery

Expand page.generate rules for post-page verbs and link-missing retries,
recover HTML artifacts when shadow LLM agrees, and stop marking scheduled
tasks failed when WeChat notification hits rate limits.

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

wechat/intent/page-continuation.mjs

@@ -29,9 +29,20 @@ export const PAGE_IMMEDIATE_CREATE_PATTERN =
 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;
 
+const PAGE_LINK_MISSING_RETRY_PATTERN =
+  /(?:页面|链接|新闻页|新闻页面|html).{0,16}(?:没有生成|没生成|未生成|没发|未发)/iu;
+
+export function isWechatPageLinkRetryText(text) {
+  const normalized = String(text ?? '').trim();
+  return Boolean(normalized && PAGE_LINK_MISSING_RETRY_PATTERN.test(normalized));
+}
+
 export function isWechatPageRetryText(text) {
   const normalized = String(text ?? '').trim();
-  return Boolean(normalized && PAGE_RETRY_PATTERN.test(normalized));
+  return Boolean(
+    normalized
+    && (PAGE_RETRY_PATTERN.test(normalized) || isWechatPageLinkRetryText(normalized)),
+  );
 }
 
 export function isWechatPageEditText(text) {
@@ -53,6 +64,7 @@ export function isWechatImmediateContextPageCreate(wechatIntent, text) {
 export function isWechatSessionPageContinuation(wechatIntent, text) {
   const normalized = String(text ?? '').trim();
   if (!normalized) return false;
+  if (isWechatPageLinkRetryText(normalized)) return true;
   if (isWechatPageRetryText(normalized)) return true;
   if (isWechatImmediateContextPageCreate(wechatIntent, normalized)) return true;
   if (wechatIntent?.kind === 'page.generate' && isWechatPageEditText(normalized)) return true;