style(search): 简化下拉项,只显示词文本(去掉'词'标签和 weight 数字)

产品反馈:下拉项'词英国 694'样式花,只要'英国'两个干净的字就行。
renderSuggestion 简化成单个 span,删掉 .feed-suggest-tag 和 .feed-suggest-weight CSS。

frontend/src/views/Feed.vue

@@ -95,17 +95,9 @@ const suggestOptions = computed<SuggestOption[]>(() => {
   }))
 })
 
-// 自定义 render:显示"词"标签 + 词文本 + 权重
+// 自定义 render:只显示词文本(干净,不挂标签/数字)
 function renderSuggestion(opt: SuggestOption) {
-  return h(
-    'div',
-    { class: 'feed-suggest-row' },
-    [
-      h('span', { class: 'feed-suggest-tag feed-suggest-tag-keyword' }, '词'),
-      h('span', { class: 'feed-suggest-text' }, opt.label),
-      h('span', { class: 'feed-suggest-weight' }, String(opt.meta.weight)),
-    ],
-  )
+  return h('span', { class: 'feed-suggest-text' }, opt.label)
 }
 
 // 选完候选词:naive-ui 把 value 写回 v-model,我们从 suggestOptions 找 meta
@@ -705,39 +697,12 @@ onMounted(async () => {
   width: 100%;
 }
 
-/* === 搜索建议下拉项 === */
-.feed-suggest-row {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  min-width: 0;
-}
-.feed-suggest-tag {
-  display: inline-flex;
-  align-items: center;
-  padding: 1px 6px;
-  border-radius: 8px;
-  font-size: 11px;
-  font-weight: 600;
-  line-height: 1.4;
-  flex-shrink: 0;
-}
-.feed-suggest-tag-keyword {
-  background: #f3e8ff;
-  color: #6b21a8;
-}
+/* === 搜索建议下拉项(干净版,只显示词本身) === */
 .feed-suggest-text {
+  display: block;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
-  flex: 1;
-  min-width: 0;
-}
-.feed-suggest-weight {
-  flex-shrink: 0;
-  font-size: 11px;
-  color: #94a3b8;
-  font-variant-numeric: tabular-nums;
 }
 
 /* ===== 移动端(<= 768px):过滤条全宽,允许换行 ===== */