Merge branch 'rag/4.0' into debug

utils/llm/eta_llm/eta_llm_client.go

@@ -347,12 +347,10 @@ func ParseStreamResponse(response *http.Response) (contentChan chan string, errC
 	closeChan = make(chan struct{})
 	closeLlmChan = make(chan bool, 1)
 	go func() {
-		defer func() {
-			close(contentChan)
-			close(errChan)
-			close(closeChan)
-			close(closeLlmChan)
-		}()
+		defer close(contentChan)
+		defer close(errChan)
+		defer close(closeChan)
+		defer close(closeLlmChan)
 
 		scanner := bufio.NewScanner(response.Body)
 		scanner.Split(bufio.ScanLines)