feat: 增强FAQ列表搜索功能，支持按指定字段（标准问题/相似问法/答案/全部）进行搜索

client/faq.go

@@ -140,9 +140,10 @@ type faqSimpleResponse struct {
 }
 
 // ListFAQEntries returns paginated FAQ entries under a knowledge base.
+// searchField: specifies which field to search in ("standard_question", "similar_questions", "answers", "" for all)
 // sortOrder: "asc" for time ascending (updated_at ASC), default is time descending (updated_at DESC)
 func (c *Client) ListFAQEntries(ctx context.Context,
-	knowledgeBaseID string, page, pageSize int, tagID string, keyword string, sortOrder string,
+	knowledgeBaseID string, page, pageSize int, tagID string, keyword string, searchField string, sortOrder string,
 ) (*FAQEntriesPage, error) {
 	path := fmt.Sprintf("/api/v1/knowledge-bases/%s/faq/entries", knowledgeBaseID)
 	query := url.Values{}
@@ -158,6 +159,9 @@ func (c *Client) ListFAQEntries(ctx context.Context,
 	if keyword != "" {
 		query.Add("keyword", keyword)
 	}
+	if searchField != "" {
+		query.Add("search_field", searchField)
+	}
 	if sortOrder != "" {
 		query.Add("sort_order", sortOrder)
 	}