fix(wechat): reserve space for uploaded follow QR in draft body

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

wechat-daily-news-inline.mjs

@@ -287,10 +287,18 @@ function resolveSectionCardLimit(section, sectionCardLimits) {
   return sectionCardLimits[section.id] ?? 3;
 }
 
+function estimateQrcodeUrlForLayout(qrcodeImageUrl = '') {
+  const url = String(qrcodeImageUrl ?? '');
+  if (!url) return '';
+  if (url.length >= 180) return url;
+  return `${url}${'x'.repeat(180 - url.length)}`;
+}
+
 function estimateFixedLayoutLength({ publicUrl = '', qrcodeImageUrl = '', portalUrl = DEFAULT_PORTAL_URL } = {}) {
+  const qrcodeForEstimate = estimateQrcodeUrlForLayout(qrcodeImageUrl);
   return (
     (publicUrl ? renderReadOriginalTop(publicUrl).length : 0)
-    + renderFollowMpSection(qrcodeImageUrl).length
+    + renderFollowMpSection(qrcodeForEstimate).length
     + renderCreatePortalCTA(portalUrl).length
   );
 }
@@ -405,7 +413,7 @@ export function convertDailyNewsHtmlToWechatInlineArticle(html, {
   const allProfiles = [...TRIM_PROFILES, ...buildFallbackTrimProfiles()];
 
   const fixedLayoutLength = estimateFixedLayoutLength({ publicUrl, qrcodeImageUrl, portalUrl });
-  const trimTargetChars = Math.max(12000, MAX_WECHAT_CONTENT_CHARS - fixedLayoutLength - 600);
+  const trimTargetChars = Math.max(12000, MAX_WECHAT_CONTENT_CHARS - fixedLayoutLength - 800);
 
   for (const [index, trimProfile] of allProfiles.entries()) {
     built = buildWechatInlineContent(html, {
@@ -431,23 +439,36 @@ export function convertDailyNewsHtmlToWechatInlineArticle(html, {
       trimProfile: selectedProfile,
       includeFixedLayout: true,
     });
-    while (built.content.length > MAX_WECHAT_CONTENT_CHARS && (selectedProfile.maxBodyChars ?? 120) > 20) {
+    let tightenGuard = 0;
+    while (built.content.length > MAX_WECHAT_CONTENT_CHARS && tightenGuard < 24) {
+      tightenGuard += 1;
+      const limits = {
+        world: 2,
+        domestic: 2,
+        google: 1,
+        tech: 2,
+        sports: 1,
+        technews: 0,
+        hot: 0,
+        headlines: selectedProfile.sectionCardLimits?.headlines ?? 3,
+        finance: selectedProfile.sectionCardLimits?.finance ?? 2,
+      };
+      const maxBody = selectedProfile.maxBodyChars ?? 64;
+      if (maxBody > 16) {
+        selectedProfile.maxBodyChars = maxBody - 4;
+      } else if (limits.headlines > 2) {
+        limits.headlines -= 1;
+      } else if (limits.finance > 1) {
+        limits.finance -= 1;
+      } else {
+        break;
+      }
       selectedProfile = {
         ...selectedProfile,
+        skipHistory: true,
         skipWeather: true,
-        maxBodyChars: Math.max(20, (selectedProfile.maxBodyChars ?? 64) - 8),
-        sectionCardLimits: {
-          ...(selectedProfile.sectionCardLimits ?? {}),
-          headlines: Math.max(2, selectedProfile.sectionCardLimits?.headlines ?? 3),
-          world: Math.min(2, selectedProfile.sectionCardLimits?.world ?? 2),
-          domestic: Math.min(2, selectedProfile.sectionCardLimits?.domestic ?? 2),
-          google: 1,
-          finance: 2,
-          tech: 2,
-          sports: 1,
-          technews: 0,
-          hot: 0,
-        },
+        maxBodyChars: selectedProfile.maxBodyChars ?? maxBody,
+        sectionCardLimits: limits,
       };
       built = buildWechatInlineContent(html, {
         publicUrl,