From e83bd6febb2975b3b03dfcd2382a830f0221f53b Mon Sep 17 00:00:00 2001
From: AskaEth <i@yeij.top>
Date: Tue, 23 Jun 2026 21:44:31 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=90=8E=E5=8F=B0=E6=80=9D=E8=80=83?=
 =?UTF-8?q?=E8=AE=A9=E6=AD=A5=E5=89=8D=E5=8F=B0=20=E2=80=94=20=E7=94=A8?=
 =?UTF-8?q?=E6=88=B710s=E5=86=85=E6=9C=89=E6=B4=BB=E5=8A=A8=E5=88=99?=
 =?UTF-8?q?=E8=B7=B3=E8=BF=87=E9=9D=9Epost=5Fchat=E6=80=9D=E8=80=83?=
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---
 backend/ai-core/internal/background/thinker.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/backend/ai-core/internal/background/thinker.go b/backend/ai-core/internal/background/thinker.go
index f17e3d2..d242232 100644
--- a/backend/ai-core/internal/background/thinker.go
+++ b/backend/ai-core/internal/background/thinker.go
@@ -1064,6 +1064,17 @@ func (t *Thinker) performThink(triggerReason string) {
 
 	log.Printf("[后台思考] 开始思考周期 (触发原因=%s, 计数=%d)...", triggerReason, currentCount)
 
+	// 0. 让步于前台——如果用户最近有活动（非post_chat），跳过本次思考。
+	if triggerReason != "post_chat" {
+		t.mu.Lock()
+		sinceLastUser := time.Since(t.lastUserMessage)
+		t.mu.Unlock()
+		if sinceLastUser < 10*time.Second {
+			log.Printf("[后台思考] 用户 %v 前有活动，让步于前台回复，跳过思考", sinceLastUser.Round(time.Second))
+			return
+		}
+	}
+
 	// 1. 加载人格配置
 	personaConfig, err := t.personaLoader.Get("cyrene")
 	if err != nil {