feat(desktop): add tray behavior and packaging config

README.md

@@ -26,3 +26,39 @@ npm run start:dev
 ```bash
 npm start
 ```
+
+## Build / Release
+
+先安装依赖（包含 `electron-builder`）：
+
+```bash
+npm install
+```
+
+仅打包目录（不生成安装包）：
+
+```bash
+npm run pack
+```
+
+跨平台构建入口：
+
+```bash
+npm run dist
+```
+
+按平台构建：
+
+```bash
+npm run dist:linux
+npm run dist:mac
+npm run dist:win
+```
+
+构建产物输出到：
+
+- `dist/`
+
+产物命名规范：
+
+- `Fabric-Desktop-${version}-${os}-${arch}.${ext}`