feat: 新增关键词类型及优化查询逻辑

支持关键词类型区分，优化文件向量查询SQL及DAO更新逻辑，移除冗余配置和注释代码。

service/document.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"rag/common/eino"
 	"rag/consts/document"
+	"rag/consts/keyword"
 	"rag/consts/public"
 	"rag/consts/task"
 	"rag/dao"
@@ -104,9 +105,17 @@ func (s *documentService) Delete(ctx context.Context, req *dto.DeleteDocumentReq
 }
 
 // Get 获取文件详情
-func (s *documentService) Get(ctx context.Context, req *dto.GetDocumentReq) (res *dto.DocumentVO, err error) {
+func (s *documentService) Get(ctx context.Context, req *dto.GetDocumentReq) (res *dto.GetDocumentRes, err error) {
 	r, err := dao.Document.GetByID(ctx, req)
-	err = gconv.Struct(r, &res)
+	if err != nil {
+		return
+	}
+	res = &dto.GetDocumentRes{}
+	err = gconv.Struct(r, &res.DocumentVO)
+	if err != nil {
+		return
+	}
+	res.ImgAddressPrefix, err = utils.GetFileAddressPrefix(ctx)
 	return
 }
 
@@ -280,10 +289,11 @@ func (s *documentService) extractDocument(ctx context.Context, doc *entity.Docum
 	var keywordReqs = make([]*dto.CreateKeywordReq, 0)
 	for _, word := range words {
 		keywordReqs = append(keywordReqs, &dto.CreateKeywordReq{
-			DatasetId:  doc.DatasetId,
-			DocumentId: doc.Id,
-			Word:       word.Word,
-			Weight:     gconv.Int16(word.Score),
+			DatasetId:   doc.DatasetId,
+			DocumentId:  doc.Id,
+			Word:        word.Word,
+			Weight:      gconv.Int16(word.Score),
+			KeywordType: keyword.KeywordTypeInitial.Code(),
 		})
 	}
 	if len(keywordReqs) > 0 {