fix(frontend): align post thumbnail display with reference

tests/widget-system/post-visual-contract.test.cjs

@@ -165,7 +165,9 @@ test('list, card, media, badge and Mini DOM follow dedicated legacy structures',
   assert.match(data, /relative aksrt-slider.*new-swiper item-thumbnail/s);
   assert.match(data, /swiper-slide.*gradient-bg.*data-opacity="0\.2"/s);
   assert.match(data, /\$fit = \$is_contain && !\$has_slides \? ' contain gradient-bg' : ''/);
-  assert.match(data, /video-thumb-box.*data-post-thumb-video/s);
+  assert.match(data, /video-thumb-box.*video-url=/s);
+  assert.match(data, /<div class="video-thumb"><\/div>/);
+  assert.doesNotMatch(data, /data-post-thumb-video/);
   assert.match(data, /class="thumb-items/);
   assert.match(data, /empty\(\$cfg\['is_category'\]\).*in_array\('cat'/s);
   assert.match(data, /empty\(\$cfg\['is_tag'\]\).*in_array\('tag'/s);
@@ -372,10 +374,10 @@ test('AJAX pagination can recover, caps auto loading and rehydrates appended med
   assert.match(homepage, /aksrt_render_pagination\(\$query,[\s\S]*?'query_context'\s*=>\s*\$contract\['query_context'\]/);
   assert.doesNotMatch(homepage, /href="javascript:;" class="ajax-next aksrt-load-more-btn"/);
   assert.match(ajaxList, /if \(link\.closest\("\[data-aksrt-pagination\], \.aksrt-comment-pagination"\)\) return;/);
-  assert.match(media, /thumb-dplayer-playing/);
+  assert.match(read('assets/js/runtime/main.js'), /thumb_dplayer\(_wid > 640/);
   assert.doesNotMatch(media, /new Swiper|data-post-thumb-slider/);
   assert.match(read('assets/js/runtime/main.min.js'), /new-swiper/);
-  assert.match(media, /data-post-thumb-video/);
+  assert.doesNotMatch(media, /data-post-thumb-video|initPostThumbMedia/);
   assert.match(media, /window\.Grade\(container/);
   assert.match(media, /linear-gradient\(135deg/);
   assert.match(media, /aksrtGradientState/);