feat: prepare sellable source delivery edition

scripts/release/build-local-package.bat

@@ -0,0 +1,64 @@
+@echo off
+setlocal
+
+set "ROOT=%~dp0..\.."
+for %%I in ("%ROOT%") do set "ROOT=%%~fI"
+set "OUT_DIR=%ROOT%\release\local-package"
+
+cd /d "%ROOT%"
+
+where npm >nul 2>nul
+if errorlevel 1 (
+  echo [ERROR] 未检测到 npm，请先安装 Node.js 18+
+  pause
+  exit /b 1
+)
+
+where mvn >nul 2>nul
+if errorlevel 1 (
+  echo [ERROR] 未检测到 Maven，请先安装 Maven 3.6+
+  pause
+  exit /b 1
+)
+
+if exist "%OUT_DIR%" rmdir /s /q "%OUT_DIR%"
+mkdir "%OUT_DIR%"
+
+echo [1/3] 构建前端...
+cd /d "%ROOT%\frontend"
+call npm run build
+if errorlevel 1 (
+  echo [ERROR] 前端构建失败
+  pause
+  exit /b 1
+)
+
+echo [2/3] 打包后端...
+cd /d "%ROOT%\backend"
+call mvn -Pembed-frontend-dist -DskipTests package
+if errorlevel 1 (
+  echo [ERROR] 后端打包失败
+  pause
+  exit /b 1
+)
+
+echo [3/3] 组装本地版交付包...
+copy /Y "%ROOT%\backend\target\*.jar" "%OUT_DIR%\" >nul
+copy /Y "%ROOT%\scripts\windows\start-local.bat" "%OUT_DIR%\" >nul
+
+(
+  echo SSH Manager 本地版
+  echo.
+  echo 1. 安装 Java 8+
+  echo 2. 双击 start-local.bat
+  echo 3. 浏览器访问 http://localhost:48080
+  echo.
+  echo 首次启动会自动在 runtime 目录生成本地密钥，在 data 目录保存数据库数据。
+) > "%OUT_DIR%\README.txt"
+
+echo.
+echo 本地版交付包已生成:
+echo %OUT_DIR%
+pause
+
+endlocal