feat: readme

README.md

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+<div align="center">
+  <img src="public/favicon.png" width="80" />
+  <h1>DBX</h1>
+  <p>Open-source, lightweight, cross-platform database management tool.</p>
+  <p>
+    <img src="https://img.shields.io/badge/MySQL-4479A1?logo=mysql&logoColor=white" />
+    <img src="https://img.shields.io/badge/PostgreSQL-4169E1?logo=postgresql&logoColor=white" />
+    <img src="https://img.shields.io/badge/SQLite-003B57?logo=sqlite&logoColor=white" />
+    <img src="https://img.shields.io/badge/Redis-DC382D?logo=redis&logoColor=white" />
+    <img src="https://img.shields.io/badge/MongoDB-47A248?logo=mongodb&logoColor=white" />
+    <img src="https://img.shields.io/badge/DuckDB-FFF000?logo=duckdb&logoColor=black" />
+    <img src="https://img.shields.io/badge/ClickHouse-FFCC01?logo=clickhouse&logoColor=black" />
+    <img src="https://img.shields.io/badge/SQL%20Server-CC2927?logo=microsoftsqlserver&logoColor=white" />
+  </p>
+  <p>
+    English | <a href="README.zh-CN.md">简体中文</a>
+  </p>
+</div>
+
+## Features
+
+- **8 databases** — MySQL, PostgreSQL, SQLite, Redis, MongoDB, DuckDB, ClickHouse, SQL Server
+- **Schema browser** — Databases, schemas, tables, columns, indexes, foreign keys, triggers
+- **Query editor** — CodeMirror with syntax highlighting, auto-complete, Cmd+Enter execution
+- **Data grid** — Virtual-scrolled table with inline editing, sorting, pagination, column resize
+- **Export** — CSV, JSON, Markdown
+- **Redis browser** — Key pattern search, value viewer for all data types
+- **MongoDB browser** — Document CRUD with pagination
+- **Query history** — Persistent history with search, restore, and one-click copy
+- **Safety** — Confirmation dialog for DROP / DELETE / TRUNCATE / ALTER
+- **Auto-reconnect** — Transparent retry on connection loss
+- **SSH tunnel** — Connect through SSH port forwarding
+- **Dark mode** — System-aware theme toggle
+- **i18n** — English & 简体中文
+- **Tiny** — ~7 MB installer (no bundled Chromium)
+
+## Screenshot
+
+<div align="center">
+  <img src="docs/screenshot.png" width="800" />
+</div>
+
+## Getting Started
+
+### Prerequisites
+
+- [Node.js](https://nodejs.org/) >= 18
+- [pnpm](https://pnpm.io/)
+- [Rust](https://www.rust-lang.org/tools/install) >= 1.77
+
+### Development
+
+```bash
+pnpm install
+pnpm tauri dev
+```
+
+### Build
+
+```bash
+pnpm tauri build
+```
+
+The installer will be in `src-tauri/target/release/bundle/`.
+
+## Tech Stack
+
+| Layer | Technology |
+|-------|-----------|
+| Framework | [Tauri 2](https://tauri.app/) |
+| Frontend | [Vue 3](https://vuejs.org/) + TypeScript |
+| UI | [shadcn-vue](https://www.shadcn-vue.com/) + Tailwind CSS |
+| Editor | [CodeMirror 6](https://codemirror.net/) |
+| Backend | Rust + [sqlx](https://github.com/launchbadge/sqlx) / [tiberius](https://github.com/prisma/tiberius) / [redis-rs](https://github.com/redis-rs/redis-rs) / [mongodb](https://github.com/mongodb/mongo-rust-driver) |
+
+## License
+
+[MIT](LICENSE)

README.zh-CN.md

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+<div align="center">
+  <img src="public/favicon.png" width="80" />
+  <h1>DBX</h1>
+  <p>开源、轻量、跨平台的数据库管理工具。</p>
+  <p>
+    <img src="https://img.shields.io/badge/MySQL-4479A1?logo=mysql&logoColor=white" />
+    <img src="https://img.shields.io/badge/PostgreSQL-4169E1?logo=postgresql&logoColor=white" />
+    <img src="https://img.shields.io/badge/SQLite-003B57?logo=sqlite&logoColor=white" />
+    <img src="https://img.shields.io/badge/Redis-DC382D?logo=redis&logoColor=white" />
+    <img src="https://img.shields.io/badge/MongoDB-47A248?logo=mongodb&logoColor=white" />
+    <img src="https://img.shields.io/badge/DuckDB-FFF000?logo=duckdb&logoColor=black" />
+    <img src="https://img.shields.io/badge/ClickHouse-FFCC01?logo=clickhouse&logoColor=black" />
+    <img src="https://img.shields.io/badge/SQL%20Server-CC2927?logo=microsoftsqlserver&logoColor=white" />
+  </p>
+  <p>
+    <a href="README.md">English</a> | 简体中文
+  </p>
+</div>
+
+## 功能特性
+
+- **8 种数据库** — MySQL、PostgreSQL、SQLite、Redis、MongoDB、DuckDB、ClickHouse、SQL Server
+- **结构浏览** — 数据库、Schema、表、字段、索引、外键、触发器
+- **查询编辑器** — CodeMirror 语法高亮、自动补全、Cmd+Enter 执行
+- **数据表格** — 虚拟滚动、行内编辑、排序、分页、列宽调整
+- **数据导出** — CSV、JSON、Markdown
+- **Redis 浏览器** — 模式匹配搜索，支持全部数据类型查看
+- **MongoDB 浏览器** — 文档增删改查、分页浏览
+- **查询历史** — 持久化存储，支持搜索、恢复、一键复制
+- **安全防护** — 执行 DROP / DELETE / TRUNCATE / ALTER 时弹出确认对话框
+- **自动重连** — 连接断开后透明重试
+- **SSH 隧道** — 通过 SSH 端口转发连接数据库
+- **深色模式** — 明暗主题一键切换
+- **多语言** — English & 简体中文
+- **极致轻量** — 安装包仅 ~7 MB（不内嵌 Chromium）
+
+## 截图
+
+<div align="center">
+  <img src="docs/screenshot.png" width="800" />
+</div>
+
+## 快速开始
+
+### 环境要求
+
+- [Node.js](https://nodejs.org/) >= 18
+- [pnpm](https://pnpm.io/)
+- [Rust](https://www.rust-lang.org/tools/install) >= 1.77
+
+### 开发
+
+```bash
+pnpm install
+pnpm tauri dev
+```
+
+### 构建
+
+```bash
+pnpm tauri build
+```
+
+安装包输出在 `src-tauri/target/release/bundle/` 目录。
+
+## 技术栈
+
+| 层级 | 技术 |
+|------|------|
+| 框架 | [Tauri 2](https://tauri.app/) |
+| 前端 | [Vue 3](https://vuejs.org/) + TypeScript |
+| UI | [shadcn-vue](https://www.shadcn-vue.com/) + Tailwind CSS |
+| 编辑器 | [CodeMirror 6](https://codemirror.net/) |
+| 后端 | Rust + [sqlx](https://github.com/launchbadge/sqlx) / [tiberius](https://github.com/prisma/tiberius) / [redis-rs](https://github.com/redis-rs/redis-rs) / [mongodb](https://github.com/mongodb/mongo-rust-driver) |
+
+## 开源协议
+
+[MIT](LICENSE)