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Session Input History — DSH Plugin for DeepSeek Harness
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dsh-session-input-history

Session Input History

DSH session-isolated input history navigation plugin (client-side only): Press the ↑/↓ arrow keys in the conversation input box to browse messages sent in the current session (shell history-style interaction); editing or sending while browsing exits history mode. Unlike the global history plugin, it

The plugin will be installed here. Keep web if you are unsure.

npx -y @deepseek-ai/dsh plugin --profile web add dsh-session-input-history@0.1.1
READMECompatibilityVersions

Description

DSH session-isolated input history navigation plugin (client-side only): Press the ↑/↓ arrow keys in the conversation input box to browse messages sent in the current session (shell history-style interaction); editing or sending while browsing exits history mode. Unlike the global history plugin, its history is strictly limited to the current session.

Compatibility and provenance

Session Input History is published as dsh-session-input-history and currently resolves to version 0.1.1. The Hub verifies its manifest and preserves the exact installation source for reproducible installs.

DSH compatibility
*
Runtime surfaces
web
Release source
npm
Registry updated
9/17/2026

Versions

0.1.1stable
9/17/2026

Related plugins

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Latest
0.1.1
DSH
*
HMR
Process restart
Tree shaking
Safe tree shaking not declared
Unpacked size
23.9 kB
Files
12
Surface
web
License
MIT
Source
npm
GitHub
★ 0
Weekly downloads
0
Last push
9/17/2026
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README

dsh-session-input-history

DSH 会话隔离的输入历史导航插件（纯 client）：对话输入框中按 ↑/↓ 方向键遍历当前会话发送过的消息（shell history 式交互）。

与全局历史插件的区别：历史严格限定在当前会话内。切换到别的会话，↑ 拿到的就是那个会话自己的历史；新会话从空白开始，不会被其他会话或工作区的输入污染。历史也不落盘。

安装

方式一：从 npm 安装（推荐）

dsh plugin --profile web add dsh-session-input-history

发布到 npm 的 tarball 已包含构建产物（lib/），安装即用，不需要授权构建脚本。

方式二：从 GitHub 安装

dsh plugin --profile web add github:czhzz/dsh-session-input-history

适合跟进未发布的提交。建议锁定 commit（github:czhzz/dsh-session-input-history#<sha>）。

交互

按键行为
↑草稿为空时 → 载入最新一条历史消息；再次按 ↑ 继续向前（更旧）
↓浏览中向后（更新）；到最新一条后再按 ↓ → 清空输入框（退出浏览）
浏览中编辑正常编辑，不受影响
浏览中发送发送当前载入的消息
  • 历史范围：当前会话发送过的用户文本消息（去空白、相邻重复去重）
  • 焦点不在输入框时不接管方向键；带 Ctrl/Alt/Cmd/Shift 的组合键一律不接管，保持原生行为（选词、移动光标等）
  • 无任何 UI 常驻（纯键盘）

验证

# 1) 配置树里出现插件行
dsh --profile web --dump-config | grep dsh-session-input-history

# 2) 浏览器里：发两条消息 → 清空输入框 → 按 ↑ 应回显最新一条，再按 ↑ 回显更旧一条

开发

npm install
npm run build        # host: tsc → lib/index.js；client: esbuild → lib/client.js
npm test             # 纯函数单测（历史提取 + 导航状态机）

结构：

src/
├── index.ts         # host 半侧（空 apply，无 host 行为）
└── client/
    ├── history.ts   # 纯逻辑：chat 快照 → 历史数组、方向键状态机（无框架依赖，可直接单测）
    └── index.ts     # client 接线：slot 注册 + 标准 props 订阅 + document 捕获方向键
scripts/build.mjs    # esbuild 打包 client（lazy-CJS factory）

实现注记（对齐 dsh 0.1.6-alpha 一代）

  • 挂载点：conversation.input.left（session scope 的 list slot），框架按 scope 通过 standard provide channel 注入 useInput / useConversation / inputActions。
  • 历史来源：useConversation 选出的 chat 视图快照（ConversationViewSnapshotMap 的 'chat' 槽），取用户消息节点。视图快照本身按会话隔离。
  • 草稿读写：useInput 读 draft，inputActions.setDraft 写回——不再操作 DOM 受控组件。
  • 键盘：新版 ComposerKeyboard 是包内私有面（契约明确不跨插件边界），插件没有官方键盘仲裁，因此在 document 捕获阶段接管方向键，用 data-lexical-editor 标记确认焦点在 composer（新版 composer 是 Lexical 编辑器，不再是 textarea）。

卸载

dsh plugin --profile web remove dsh-session-input-history