卫戍协议：盟约 web remake — initial import

Online co-op browser remake of Arknights' Stronghold Protocol: Alliance
(client-simulated combat, official waves/bonds/items/strategies, 3D board,
facing wheel, operator loadout, official emotes, deployment scripts).

scripts/start-windows.bat

@@ -0,0 +1,53 @@
+@echo off
+rem Stronghold Protocol - double-click to start (Windows). Docs: docs\DEPLOY.md
+rem Checks Node.js, installs dependencies on the first run, runs tools\setup.mjs (art download / resume),
+rem starts the server, prints the LAN addresses and opens the browser. Extra arguments are passed to
+rem scripts\launch.mjs, e.g.:  start-windows.bat --port 3001 --no-local
+chcp 65001 >nul
+setlocal EnableExtensions
+title 卫戍协议：盟约 - Stronghold Protocol
+cd /d "%~dp0.."
+
+where node >nul 2>nul
+if errorlevel 1 goto :nonode
+node -e "process.exit(Number(process.versions.node.split('.')[0])>=18?0:1)"
+if errorlevel 1 goto :oldnode
+
+if not exist "node_modules\ws\package.json" (
+  echo [首次运行] 正在安装依赖 npm ci ...
+  call npm ci --no-audit --no-fund || call npm install --no-audit --no-fund
+  if errorlevel 1 goto :fail
+)
+
+node scripts\launch.mjs %*
+if errorlevel 1 goto :fail
+exit /b 0
+
+:nonode
+echo.
+echo 未找到 Node.js（需要 18 或更高，推荐 22 LTS）。Node.js not found.
+echo.
+echo   方法一：在 PowerShell 或命令提示符中运行
+echo       winget install OpenJS.NodeJS.LTS
+echo   方法二：从官网下载安装包  https://nodejs.org/zh-cn/download
+echo.
+echo 安装完成后请关闭本窗口，再重新双击 start-windows.bat。
+echo.
+pause
+exit /b 1
+
+:oldnode
+echo.
+for /f "delims=" %%v in ('node -v') do echo 当前 Node.js 版本 %%v 太旧，需要 18 或更高（推荐 22 LTS）。
+echo   升级：winget upgrade OpenJS.NodeJS.LTS   或   https://nodejs.org/zh-cn/download
+echo.
+pause
+exit /b 1
+
+:fail
+echo.
+echo 启动失败，请查看上面的错误信息。诊断：node tools\doctor.mjs
+echo Start failed - see the messages above. Diagnose with: node tools\doctor.mjs
+echo.
+pause
+exit /b 1