diff --git a/CHANGELOG.md b/CHANGELOG.md
index b2e96d9..0ad2be4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,11 +6,16 @@ This file records the notable changes in each dsh-im release. Its format follows
 
 ## [Unreleased]
 
+## [4.6.0] - 2026-09-02
+
 ### Added / 新增
 
 - 非视觉模型收到图片时不再直接报错丢图：宿主以 `MODEL_DOES_NOT_SUPPORT_IMAGES` 拒绝带图片的 prompt 后，自动把同一批图片字节按入站文件管线落盘到 Session 工作区，并以"原文本 + 工具分析指引 + `<dsh_im_files>` 清单"的纯文本 prompt 复用同一 rpcId 重试一次，使非视觉模型仍可通过 run_code/pwsh 等工具识图；视觉模型与文件消息行为不变，其余图片错误仍按原样提示。
   Sending an image to a non-vision model no longer fails outright: when the Host rejects an image-bearing prompt with `MODEL_DOES_NOT_SUPPORT_IMAGES`, the same image bytes are automatically staged into the Session workspace through the inbound-file pipeline and retried once as a text-only prompt (original text plus tool-analysis guidance and the `<dsh_im_files>` manifest) under the same rpcId, so non-vision models can still inspect images via tools such as run_code/pwsh. Vision models and file messages are unchanged, and other image errors keep their existing messages.
 
+- 九个 IM 渠道统一支持引用或回复消息上下文：Harness 会在当前问题之前收到安全序列化的 `<dsh_im_reply_to>`，包含平台可提供的原消息文字、作者及附件类型/名称；缺少正文快照的渠道仅在访问控制和本地交互完成后进行同会话、有界的延迟查询或 Session 历史恢复，失败时不阻断当前问题，也不会把引用内容误当作命令、审批或问题回答。
+  All nine IM channels now preserve quoted or replied-to message context. Harness receives a safely serialized `<dsh_im_reply_to>` before the current question with the original text, author, and attachment type/name when available. Channels without a content snapshot perform only bounded, same-conversation lazy lookup or Session-history recovery after access control and local interactions; lookup failure does not block the current question, and quoted content cannot be interpreted as a command, approval, or question answer.
+
 ### Fixed / 修复
 
 - 非视觉模型图片回退在文件落盘阶段收到取消信号时，现在会保留调用方的取消原因并停止处理，不再误报模型不支持图片。
@@ -577,7 +582,8 @@ This file records the notable changes in each dsh-im release. Its format follows
 - 改进 npm 发布包结构，保留 CLI 入口并避免安装脚本拦截。
   Improved npm package contents to preserve the CLI entry point and avoid install-script blocking.
 
-[Unreleased]: https://github.com/xmanrui/dsh-im/compare/v4.5.0...HEAD
+[Unreleased]: https://github.com/xmanrui/dsh-im/compare/v4.6.0...HEAD
+[4.6.0]: https://github.com/xmanrui/dsh-im/compare/v4.5.0...v4.6.0
 [4.5.0]: https://github.com/xmanrui/dsh-im/compare/v4.4.0...v4.5.0
 [4.4.0]: https://github.com/xmanrui/dsh-im/compare/v4.3.0...v4.4.0
 [4.3.0]: https://github.com/xmanrui/dsh-im/compare/v4.2.1...v4.3.0
diff --git a/lib/client.js b/lib/client.js
index e33c80b..0c77c58 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -571,7 +571,7 @@ var React23 = __toESM(require("react"), 1);
 // package.json
 var package_default = {
   name: "@xmanrui/dsh-im",
-  version: "4.5.0",
+  version: "4.6.0",
   description: "\u628A\u4E5D\u79CD IM \u673A\u5668\u4EBA\u548C\u516C\u7F51 AI Office \u63A5\u5165\u672C\u673A DeepSeek Harness\u3002 Connect nine IM channels and a public AI Office to a local DeepSeek Harness.",
   keywords: [
     "deepseek-harness",
diff --git a/lib/index.js b/lib/index.js
index 5a6022b..c767e63 100644
--- a/lib/index.js
+++ b/lib/index.js
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diff --git a/package-lock.json b/package-lock.json
index 604e3e7..3e5411d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@xmanrui/dsh-im",
-  "version": "4.5.0",
+  "version": "4.6.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@xmanrui/dsh-im",
-      "version": "4.5.0",
+      "version": "4.6.0",
       "license": "MIT",
       "dependencies": {
         "@tencent-connect/qqbot-connector": "1.2.0",
diff --git a/package.json b/package.json
index 4d0be86..fc7ffe4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@xmanrui/dsh-im",
-  "version": "4.5.0",
+  "version": "4.6.0",
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   "keywords": [
     "deepseek-harness",