From 6b4b033df3a1d4b8e8e52e2121b77eef4a28c156 Mon Sep 17 00:00:00 2001
From: hhs <386998068@qq.com>
Date: Sun, 21 Jun 2026 22:37:23 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=97=A5=E5=BF=97=E7=BA=A7=E5=88=AB?=
 =?UTF-8?q?=E4=BC=98=E5=8C=96=EF=BC=88Phase=207=EF=BC=89?=
MIME-Version: 1.0
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- nodes_stt.go: STT 识别开始降为 Debug
- nodes_history.go: 历史组装完成降为 Debug
- nodes_tts.go: TTS 流中断降为 Debug
- 保持关键里程碑为 Info：query completed、tts synthesis started/completed
- 中间步骤详情降为 Debug，减少生产环境日志噪音
---
 backend/internal/eino/nodes_history.go | 2 +-
 backend/internal/eino/nodes_stt.go     | 2 +-
 backend/internal/eino/nodes_tts.go     | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/backend/internal/eino/nodes_history.go b/backend/internal/eino/nodes_history.go
index 23d7648..8099c98 100644
--- a/backend/internal/eino/nodes_history.go
+++ b/backend/internal/eino/nodes_history.go
@@ -121,7 +121,7 @@ func NewHistoryLambda(
 			})
 		}
 
-		log.Infow("history assembled",
+		log.Debugw("history assembled",
 			"message_count", len(messages),
 			"has_image", len(imageData) > 0,
 			"scenario", scenario)
diff --git a/backend/internal/eino/nodes_stt.go b/backend/internal/eino/nodes_stt.go
index 5ac368d..1a4a6b6 100644
--- a/backend/internal/eino/nodes_stt.go
+++ b/backend/internal/eino/nodes_stt.go
@@ -75,7 +75,7 @@ func NewSTTLambda(sttService stt.Service) *compose.Lambda {
 			return STTOutput{}, fmt.Errorf("stt: no audio data provided")
 		}
 
-		log.Infow("stt recognition started", "audio_bytes", len(input.AudioData))
+		log.Debugw("stt recognition started", "audio_bytes", len(input.AudioData))
 
 		// 调用 STT 服务
 		text, err := sttService.Recognize(ctx, input.AudioData, stt.Options{
diff --git a/backend/internal/eino/nodes_tts.go b/backend/internal/eino/nodes_tts.go
index ffef027..0f13a4d 100644
--- a/backend/internal/eino/nodes_tts.go
+++ b/backend/internal/eino/nodes_tts.go
@@ -87,7 +87,7 @@ func NewTTSLambda(ttsService tts.Service, ttsVoice string, ttsSpeed float64, tts
 			for chunk := range ttsStream {
 				select {
 				case <-ctx.Done():
-					log.Infow("TTS 流被中断")
+					log.Debugw("tts stream interrupted")
 					sw.Send(struct{}{}, ctx.Err())
 					return
 				default: