docs: Quick Start up front, requirements, and consistency fixes

README.md

@@ -8,6 +8,23 @@ Deterministic session evidence reports for [DeepSeek Harness](https://github.com
 
 **Reads the session log itself through `ctx.sessionQuery` — no recorder, no resident memory, no drift.** Sessions that existed before the plugin was installed export just as well as live ones.
 
+## Quick Start
+
+**Requirements**: Node.js 20 or 22 · a DeepSeek Harness profile that mounts the `commands` and `sessionQuery` services (the shipped `web` / `agent` profiles qualify).
+
+```sh
+dsh plugin --profile web add dsh-session-export
+```
+
+Then, inside any session:
+
+```text
+/transcript        # single-file HTML replay report of the current session
+/stats             # terminal stats card with cost estimate
+```
+
+Full details — GitHub install route, `cordis.patch.yml` snippet, configuration — in [Install](#install-out-of-tree-plugin) below.
+
 ## Positioning
 
 `dsh-session-export` is a **session evidence layer**, not a memory optimizer.

README.zh.md

@@ -8,6 +8,23 @@
 
 **通过 `ctx.sessionQuery` 直读会话日志本身——无旁路采集、无驻留内存、无数据漂移。** 装插件之前的历史会话照样能导。
 
+## 快速开始
+
+**环境要求**：Node.js 20 或 22 · 挂载了 `commands` 与 `sessionQuery` 服务的 DeepSeek Harness profile（官方 `web` / `agent` profile 均满足）。
+
+```sh
+dsh plugin --profile web add dsh-session-export
+```
+
+装好后在任意会话里：
+
+```text
+/transcript        # 当前会话的单文件 HTML 复盘报告
+/stats             # 终端统计卡片 + 成本估算
+```
+
+完整细节（GitHub 安装方式、`cordis.patch.yml` 片段、配置项）见下文「安装」一节。
+
 ## 项目定位
 
 `dsh-session-export` 是**会话证据层**，不是记忆优化器。