From 17963956682fe41614e3f0e682e939c8e94c4428 Mon Sep 17 00:00:00 2001
From: root <root@qq.com>
Date: Sun, 2 Aug 2026 15:30:22 +0800
Subject: [PATCH] =?UTF-8?q?sdk:=20=E5=85=AC=E5=85=B1=20IOInjector=20?=
 =?UTF-8?q?=E8=A1=A5=20InjectInputSync=EF=BC=88=E5=90=8C=E6=AD=A5=E6=B3=A8?=
 =?UTF-8?q?=E5=85=A5=E5=B9=B6=E7=AD=89=E5=BE=85=E5=9B=9E=E5=A4=8D=EF=BC=89?=
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与主仓 third_party/homeagent-sdk 对齐：IOInjector 接口新增
InjectInputSync(source, channel, text) string + PluginSDK 便捷方法
（通道插件请求-响应流：转发入站消息并取回 agent 回复文本）
---
 sdk/plugin.go | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/sdk/plugin.go b/sdk/plugin.go
index ca5e9a6..fa3a89d 100644
--- a/sdk/plugin.go
+++ b/sdk/plugin.go
@@ -111,6 +111,9 @@ type IOInjector interface {
 	InjectInterruptText(source, channel, text string)
 	InjectText(source, channel, text string)
 	InjectTextNoMemory(source, channel, text string)
+	// InjectInputSync injects a text message and synchronously waits for the agent
+	// reply, returning the reply text (empty string if no reply).
+	InjectInputSync(source, channel, text string) string
 }
 
 // EventType identifies the kind of system event.
@@ -367,6 +370,16 @@ func (s *PluginSDK) InjectTextNoMemory(source, channel, text string) {
 	}
 }
 
+// InjectInputSync injects a text message and synchronously waits for the agent reply,
+// returning the reply text (empty if no reply). Use it for request-response flows
+// (e.g. channel plugins forwarding messages and sending the agent's reply back).
+func (s *PluginSDK) InjectInputSync(source, channel, text string) string {
+	if s.io != nil {
+		return s.io.InjectInputSync(source, channel, text)
+	}
+	return ""
+}
+
 // SetAutoRestart 设置插件是否允许内核自动重启（崩溃后自动重载）。
 // 默认 true。如果插件有无法恢复的状态（如外部连接），应设为 false。
 func (s *PluginSDK) SetAutoRestart(enabled bool) { s.autoRestart = enabled }