docs: launch project site and visual showcase

Author: 44-99

.github/workflows/pages.yml

@@ -0,0 +1,48 @@
+name: Deploy GitHub Pages
+
+on:
+  push:
+    branches: [master]
+    paths:
+      - 'site/**'
+      - 'docs/assets/openalphastack-*.png'
+      - 'docs/assets/openalphastack-*.gif'
+      - 'docs/assets/dashboard-search-results.png'
+      - 'docs/assets/dashboard-workflow.png'
+      - '.github/workflows/pages.yml'
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: pages
+  cancel-in-progress: true
+
+jobs:
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Assemble static site
+        run: |
+          mkdir -p _site/assets
+          cp -R site/. _site/
+          cp docs/assets/openalphastack-demo.gif _site/assets/
+          cp docs/assets/openalphastack-social-preview.png _site/assets/
+          cp docs/assets/dashboard-search-results.png _site/assets/
+          cp docs/assets/dashboard-workflow.png _site/assets/
+
+      - uses: actions/configure-pages@v5
+      - uses: actions/upload-pages-artifact@v3
+        with:
+          path: _site
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

README.md

@@ -2,6 +2,11 @@
 
 <h1>OpenAlphaStack</h1>
 
+<p>
+  <a href="README.md">简体中文</a> ·
+  <a href="README_EN.md">English</a>
+</p>
+
 <p><strong>面向 A 股研究、回测与模拟交易的开源 Codex 插件栈。</strong></p>
 
 [![CI](https://github.com/44-99/OpenAlphaStack/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/44-99/OpenAlphaStack/actions/workflows/ci.yml)
@@ -11,10 +16,16 @@
 [![MCP](https://img.shields.io/badge/MCP-local--first-1f9d8a.svg)](.mcp.json)
 [![GitHub stars](https://img.shields.io/github/stars/44-99/OpenAlphaStack?style=flat&logo=github)](https://github.com/44-99/OpenAlphaStack/stargazers)
 
-[快速开始](#快速开始) · [架构](docs/architecture.md) · [Skills](docs/skills.md) · [路线图](docs/roadmap.md) · [English](README_EN.md)
+[官网](https://44-99.github.io/OpenAlphaStack/) · [快速开始](#快速开始) · [架构](docs/architecture.md) · [Skills](docs/skills.md) · [路线图](docs/roadmap.md)
 
 </div>
 
+<p align="center">
+  <a href="https://44-99.github.io/OpenAlphaStack/">
+    <img src="docs/assets/openalphastack-social-preview.png" alt="OpenAlphaStack：Codex MCP + Skills A 股研究插件" width="100%">
+  </a>
+</p>
+
 OpenAlphaStack 将 A 股领域 Skills 与本地 MCP 服务打包为一个可安装的
 Codex 插件。Codex Desktop 负责对话、研究和定时任务；MCP 提供有类型边界的
 行情、风险、回测与模拟计划工具；Python 负责确定性校验和机械执行，不会自行
@@ -25,6 +36,27 @@ Codex 插件。Codex Desktop 负责对话、研究和定时任务；MCP 提供
 
 > 仅用于研究、回测与模拟交易。OpenAlphaStack 不连接真实券商下单，也不承诺任何投资收益。
 
+## 实机演示
+
+<p align="center">
+  <img src="docs/assets/openalphastack-demo.gif" alt="OpenAlphaStack 搜索 A 股、查看 K 线和审计三阶段工作流的实机演示" width="960">
+</p>
+
+<table>
+  <tr>
+    <td width="50%"><img src="docs/assets/dashboard-search-results.png" alt="按中文名称搜索贵州茅台"></td>
+    <td width="50%"><img src="docs/assets/dashboard-workflow.png" alt="Research、Execution、Evaluation 三阶段审计工作流"></td>
+  </tr>
+  <tr>
+    <td align="center"><strong>股票搜索与行情工作台</strong><br>支持代码、中文名称中的连续字符与拼音首字母。</td>
+    <td align="center"><strong>三阶段可观测工作流</strong><br>研究、确定性执行与评估各自保持清晰边界。</td>
+  </tr>
+</table>
+
+上图来自本地模拟盘实机，不代表投资收益。Dashboard 默认仅监听
+`127.0.0.1`；[静态官网](https://44-99.github.io/OpenAlphaStack/) 只展示产品与文档，
+不会公开本地账户、行情服务或执行接口。
+
 ## 为什么是 OpenAlphaStack？
 
 - **一个插件，两层扩展能力**：用 Codex Skills 承载可复用研究方法，用 MCP
@@ -239,6 +271,8 @@ openalphastack engine stop <paper_run_id>
 
 ## 文档
 
+- [静态官网](https://44-99.github.io/OpenAlphaStack/)
+- [宣传素材与安全表述](docs/media-kit.md)
 - [架构](docs/architecture.md)
 - [路线图](docs/roadmap.md)
 - [Skills](docs/skills.md)

README_EN.md

@@ -2,18 +2,30 @@
 
 <h1>OpenAlphaStack</h1>
 
+<p>
+  <a href="README.md">简体中文</a> ·
+  <a href="README_EN.md">English</a>
+</p>
+
 <p><strong>An open-source Codex plugin stack for auditable A-share research, backtesting, and paper trading.</strong></p>
 
 [![CI](https://github.com/44-99/OpenAlphaStack/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/44-99/OpenAlphaStack/actions/workflows/ci.yml)
 [![License: MIT](https://img.shields.io/badge/license-MIT-2563eb.svg)](LICENSE)
 [![Python](https://img.shields.io/badge/python-3.10%2B-3776ab.svg?logo=python&logoColor=white)](pyproject.toml)
 [![Codex Plugin](https://img.shields.io/badge/Codex-plugin-111827.svg)](.codex-plugin/plugin.json)
 [![MCP](https://img.shields.io/badge/MCP-local--first-1f9d8a.svg)](.mcp.json)
+[![GitHub stars](https://img.shields.io/github/stars/44-99/OpenAlphaStack?style=flat&logo=github)](https://github.com/44-99/OpenAlphaStack/stargazers)
 
-[简体中文](README.md) · [Architecture](docs/architecture.md) · [Skills](docs/skills.md) · [Roadmap](docs/roadmap.md)
+[Website](https://44-99.github.io/OpenAlphaStack/en.html) · [Quick start](#quick-start) · [Architecture](docs/architecture.md) · [Skills](docs/skills.md) · [Roadmap](docs/roadmap.md)
 
 </div>
 
+<p align="center">
+  <a href="https://44-99.github.io/OpenAlphaStack/en.html">
+    <img src="docs/assets/openalphastack-social-preview.png" alt="OpenAlphaStack: Codex MCP and Skills for auditable A-share research" width="100%">
+  </a>
+</p>
+
 OpenAlphaStack packages A-share domain Skills and a typed local MCP server as a
 Codex plugin. Codex Desktop owns conversations, research and schedules. Python
 owns deterministic validation, T+1 rules, fees, account state and paper
@@ -26,6 +38,16 @@ China's A-share market, and MCP/Codex tool builders evaluating the architecture.
 > Research, backtesting and paper trading only. OpenAlphaStack does not place
 > real orders or promise investment returns.
 
+## See it in action
+
+<p align="center">
+  <img src="docs/assets/openalphastack-demo.gif" alt="OpenAlphaStack stock search, K-line dashboard and three-stage workflow demo" width="960">
+</p>
+
+The recording comes from the local paper-trading Dashboard. The public
+[website](https://44-99.github.io/OpenAlphaStack/en.html) is static and never
+exposes local account data, market-data services, or execution endpoints.
+
 ## What it provides
 
 - Codex Skills for market analysis, screening, stock analysis and T0 research.
@@ -73,6 +95,9 @@ Desktop and invoke one of the packaged Skills.
 For the full setup, safety contract, engine commands and verification workflow,
 use the canonical [Simplified Chinese README](README.md).
 
+Reusable screenshots, the demo GIF, and publication boundaries are documented
+in the [media kit](docs/media-kit.md).
+
 ## License
 
 MIT © OpenAlphaStack