feat: 新增 devtools.bat Windows 启动脚本

与 devtools.sh 功能对等，纯 ASCII 编写避免编码问题。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

devtools.bat

@@ -0,0 +1,91 @@
+@echo off
+setlocal enabledelayedexpansion
+:: ========================================
+:: Cyrene DevTools Launcher (Windows)
+:: ========================================
+
+set "SCRIPT_DIR=%~dp0"
+set "DEVTOOLS_DIR=%SCRIPT_DIR%devtools"
+if "%DEVTOOLS_PORT%"=="" (set PORT=9090) else (set PORT=%DEVTOOLS_PORT%)
+set "LOG_DIR=%SCRIPT_DIR%logs"
+set "LOG_FILE=%LOG_DIR%\sh.log"
+
+echo ==========================================
+echo   Cyrene DevTools
+echo ==========================================
+
+cd /d "%DEVTOOLS_DIR%"
+
+:: Node.js check
+where node >nul 2>&1
+if %ERRORLEVEL%==0 (
+    set NODE_CMD=node
+) else if exist "C:\Program Files\nodejs\node.exe" (
+    set "NODE_CMD=C:\Program Files\nodejs\node.exe"
+) else (
+    echo [ERROR] Node.js not found.
+    pause
+    exit /b 1
+)
+for /f "tokens=*" %%i in ('!NODE_CMD! --version') do echo Node.js: %%i
+
+:: Check and free port
+set PID_FOUND=0
+for /f "tokens=5" %%a in ('netstat -ano ^| findstr /R ":%PORT% " ^| findstr "LISTENING"') do (
+    set PID_FOUND=1
+    echo [WARN] Port %PORT% in use by PID %%a, releasing...
+    taskkill /PID %%a /F >nul 2>&1
+    timeout /t 1 /nobreak >nul
+    echo [OK] Port released
+)
+if %PID_FOUND%==1 timeout /t 1 /nobreak >nul
+
+:: Install dependencies if needed
+if not exist "node_modules\" (
+    echo [INFO] Installing dependencies...
+    call npm install
+)
+
+:: Ensure log directory exists
+if not exist "%LOG_DIR%" mkdir "%LOG_DIR%"
+
+echo.
+echo [INFO] Starting DevTools on port %PORT%
+echo        Web UI:  http://localhost:%PORT%
+echo        API:     http://localhost:%PORT%/api/health
+
+:: Launch DevTools in background
+start "Cyrene-DevTools" /B !NODE_CMD! src\index.js 1>>"%LOG_FILE%" 2>&1
+
+:: Health check (up to 30s)
+set MAX_WAIT=30
+set WAITED=0
+:health_loop
+if %WAITED% geq %MAX_WAIT% goto :timeout
+
+powershell -Command "try { (Invoke-WebRequest 'http://localhost:%PORT%/api/health' -TimeoutSec 2 -UseBasicParsing).StatusCode -eq 200 } catch { $false }" | findstr "True" >nul 2>&1
+if %ERRORLEVEL%==0 (
+    echo.
+    echo [OK] DevTools is ready.
+    echo     Log: %LOG_FILE%
+    echo.
+    exit /b 0
+)
+
+timeout /t 1 /nobreak >nul
+set /a WAITED+=1
+goto :health_loop
+
+:timeout
+if exist "%LOG_FILE%" (
+    echo.
+    echo [WARN] Still starting - waited %MAX_WAIT%s
+    echo        Check http://localhost:%PORT%/api/health
+    echo        Log: %LOG_FILE%
+) else (
+    echo.
+    echo [ERROR] Startup failed, see: %LOG_FILE%
+    pause
+    exit /b 1
+)
+endlocal