fix: highlight full knowledge search terms

ai_knowledge_base_v2/apps/admin-web/src/components/KnowledgeManagementView.vue

@@ -388,20 +388,24 @@ function matchedLabel(values: string[]) {
   return labels.join("、");
 }
 
-function highlightSnippet(text: string) {
-  const keyword = contentSearch.keyword.trim();
-  if (!keyword) return [{ text, match: false }];
+function highlightSnippet(text: string, terms: string[] = []) {
+  const keywords = Array.from(new Set([...terms, contentSearch.keyword.trim()].filter(Boolean)))
+    .sort((left, right) => right.length - left.length);
+  if (!keywords.length) return [{ text, match: false }];
   const parts: Array<{ text: string; match: boolean }> = [];
   const source = text || "";
   const lowerSource = source.toLowerCase();
-  const lowerKeyword = keyword.toLowerCase();
   let cursor = 0;
   while (cursor < source.length) {
-    const index = lowerSource.indexOf(lowerKeyword, cursor);
-    if (index < 0) {
+    const next = keywords
+      .map((keyword) => ({ keyword, index: lowerSource.indexOf(keyword.toLowerCase(), cursor) }))
+      .filter((item) => item.index >= 0)
+      .sort((left, right) => left.index - right.index || right.keyword.length - left.keyword.length)[0];
+    if (!next) {
       parts.push({ text: source.slice(cursor), match: false });
       break;
     }
+    const { index, keyword } = next;
     if (index > cursor) parts.push({ text: source.slice(cursor, index), match: false });
     parts.push({ text: source.slice(index, index + keyword.length), match: true });
     cursor = index + keyword.length;
@@ -493,7 +497,7 @@ async function confirmAction(
             {{ item.knowledgeName }} · V{{ item.versionNo }} · {{ item.sectionKey }} · 命中{{ matchedLabel(item.matchedIn) }}
           </p>
           <p class="content-search-hit-snippet">
-            <template v-for="(part, index) in highlightSnippet(item.snippet)" :key="index">
+            <template v-for="(part, index) in highlightSnippet(item.snippet, item.highlightTerms)" :key="index">
               <mark v-if="part.match">{{ part.text }}</mark><span v-else>{{ part.text }}</span>
             </template>
           </p>

ai_knowledge_base_v2/apps/admin-web/src/types/api.ts

@@ -227,6 +227,7 @@ export interface KnowledgeContentSearchItem {
   sectionKey: string;
   title: string;
   snippet: string;
+  highlightTerms?: string[];
   matchedIn: Array<"title" | "content">;
   hasChunks: boolean;
   isCurrentVersion: boolean;