fix(news): strip imageless cards in gate without dropping fallback sections

Defer empty-section pruning until after the image gate passes so SearXNG
fallback shells survive enrichment; push audit skips empty core sections.

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

wechat-news-morning-draft-worker.mjs

@@ -24,6 +24,7 @@ import {
   auditNews002ImageCoverage,
   enrichNews002HtmlWithSourceImages,
   pruneNews002ImagelessStoryCards,
+  stripNews002ImagelessStoryCards,
 } from './wechat-news-morning-images.mjs';
 import {
   isWechatNewsMorningDraftWorkerEnabled,
@@ -71,17 +72,16 @@ function applyNewsMorningDedupe(page, logger) {
   }
 }
 
-function finalizeNews002Html(html, logger, page, label) {
-  const pruned = pruneNews002ImagelessStoryCards(html);
-  if (pruned.removedCards > 0 || pruned.removedSections > 0) {
-    logger.log?.('[NewsMorningDraft] news002 pruned imageless cards', {
+function stripNews002ForGate(html, logger, page, label) {
+  const stripped = stripNews002ImagelessStoryCards(html);
+  if (stripped.removedCards > 0) {
+    logger.log?.('[NewsMorningDraft] news002 stripped imageless cards', {
       slug: page.slug,
       phase: label,
-      removedCards: pruned.removedCards,
-      removedSections: pruned.removedSections,
+      removedCards: stripped.removedCards,
     });
   }
-  return pruned.html;
+  return stripped.html;
 }
 
 async function applyNews002ImageGate(
@@ -95,7 +95,7 @@ async function applyNews002ImageGate(
   if (!page?.localPath || !fs.existsSync(page.localPath)) {
     throw new Error('news002 配图闸门无法读取生成页面');
   }
-  let source = finalizeNews002Html(fs.readFileSync(page.localPath, 'utf8'), logger, page, 'pre-enrich');
+  let source = stripNews002ForGate(fs.readFileSync(page.localPath, 'utf8'), logger, page, 'pre-enrich');
   let enriched = await enrichNews002HtmlWithSourceImages(source, {
     timeoutMs: Number(env.MEMIND_NEWS_MORNING_IMAGE_META_TIMEOUT_MS ?? 6000) || 6000,
     concurrency: Number(env.MEMIND_NEWS_MORNING_IMAGE_META_CONCURRENCY ?? 8) || 8,
@@ -155,6 +155,15 @@ async function applyNews002ImageGate(
       + `（卡片 ${audit.cardCount}，真实配图 ${audit.imageCount}，头条配图 ${audit.leadImageCount}/${audit.leadCount}）`,
     );
   }
+  const display = pruneNews002ImagelessStoryCards(enriched.html);
+  if (display.removedCards > 0 || display.removedSections > 0) {
+    logger.log?.('[NewsMorningDraft] news002 display prune after gate', {
+      slug: page.slug,
+      removedCards: display.removedCards,
+      removedSections: display.removedSections,
+    });
+    fs.writeFileSync(page.localPath, display.html);
+  }
   return audit;
 }
 

wechat-news-morning-draft.mjs

@@ -25,7 +25,7 @@ import { countNewsMorningStoryCards } from './wechat-news-morning-dedup.mjs';
 import {
   auditNews002ImageCoverage,
   extractNews002CardImageUrls,
-  pruneNews002ImagelessStoryCards,
+  stripNews002ImagelessStoryCards,
 } from './wechat-news-morning-images.mjs';
 import {
   NEWS001_FRESH_CONTENT_SPEC,
@@ -837,8 +837,11 @@ export async function buildDailyNewsWechatDraftArticleForPush({
     memindLibRoot,
   });
   if (/class="[^"]*\bmasthead\b/i.test(String(html ?? ''))) {
-    html = pruneNews002ImagelessStoryCards(String(html ?? '')).html;
-    const audit = auditNews002ImageCoverage(html, { requireTemplateStructure: true });
+    html = stripNews002ImagelessStoryCards(String(html ?? '')).html;
+    const audit = auditNews002ImageCoverage(html, {
+      requireTemplateStructure: true,
+      requireAllCoreSections: false,
+    });
     if (!audit.ok) {
       throw new Error(`news002 页面未通过推送闸门：${audit.violations.join(', ')}`);
     }

wechat-news-morning-images.mjs

@@ -254,8 +254,8 @@ function pruneEmptyNews002Sections(html) {
   return { html: output, removedSections };
 }
 
-/** 移除无图故事卡并清理空栏目，保证页面只展示有配图的条目。 */
-export function pruneNews002ImagelessStoryCards(html) {
+/** 仅移除无图故事卡，不删空栏目（闸门阶段用，避免 fallback 补栏后被误删）。 */
+export function stripNews002ImagelessStoryCards(html) {
   let output = String(html ?? '');
   let removedCards = 0;
   const imageless = extractNews002StoryCards(output)
@@ -264,10 +264,16 @@ export function pruneNews002ImagelessStoryCards(html) {
     output = output.slice(0, card.start) + output.slice(card.end);
     removedCards += 1;
   }
-  const prunedSections = pruneEmptyNews002Sections(output);
+  return { html: output, removedCards, removedSections: 0 };
+}
+
+/** 移除无图故事卡并清理空栏目（推送/展示前用，保证页面协调）。 */
+export function pruneNews002ImagelessStoryCards(html) {
+  const stripped = stripNews002ImagelessStoryCards(html);
+  const prunedSections = pruneEmptyNews002Sections(stripped.html);
   return {
     html: prunedSections.html,
-    removedCards,
+    removedCards: stripped.removedCards,
     removedSections: prunedSections.removedSections,
   };
 }
@@ -353,22 +359,26 @@ export async function enrichNews002HtmlWithSourceImages(
     output = output.slice(0, card.start) + replacement + output.slice(card.end);
   }
 
-  const pruned = pruneNews002ImagelessStoryCards(output);
-  const remainingCards = extractNews002StoryCards(pruned.html).filter((card) => card.title);
+  const stripped = stripNews002ImagelessStoryCards(output);
+  const remainingCards = extractNews002StoryCards(stripped.html).filter((card) => card.title);
 
   return {
-    html: pruned.html,
+    html: stripped.html,
     cardCount: remainingCards.length,
     attemptedCount: unresolved.length,
     resolvedCount,
-    removedCards: pruned.removedCards,
-    removedSections: pruned.removedSections,
+    removedCards: stripped.removedCards,
+    removedSections: 0,
   };
 }
 
 export function auditNews002ImageCoverage(
   html,
-  { maxStoryCards = 28, requireTemplateStructure = false } = {},
+  {
+    maxStoryCards = 28,
+    requireTemplateStructure = false,
+    requireAllCoreSections = true,
+  } = {},
 ) {
   const source = String(html ?? '');
   const cards = extractNews002StoryCards(source).filter((card) => card.title);
@@ -422,8 +432,10 @@ export function auditNews002ImageCoverage(
       }
       return false;
     };
-    const missingSections = requiredSectionIds.filter((id) => !hasNews002Section(id));
-    if (missingSections.length > 0) violations.push(`missing-sections:${missingSections.join('|')}`);
+    if (requireAllCoreSections) {
+      const missingSections = requiredSectionIds.filter((id) => !hasNews002Section(id));
+      if (missingSections.length > 0) violations.push(`missing-sections:${missingSections.join('|')}`);
+    }
     if (cards.some((card) => !card.eventKey)) violations.push('missing-event-key');
     if (cards.some((card) => !card.url)) violations.push('missing-source-url');
     if (cards.some((card) => !/class="[^"]*\bbody\b/i.test(card.raw))) {