增强 8910 日志盯盘与联调可读性：本机落盘 info/error、bat 入口，出站与 echo 打 reply 预览，部署强制 UTF-8。

Co-authored-by: Cursor <cursoragent@cursor.com>

deploy/Watch-Agent8910-Once.bat

@@ -0,0 +1,28 @@
+@echo off
+setlocal EnableExtensions
+cd /d "%~dp0"
+
+REM Double-click: fetch recent remote agent 8910 logs once, then pause.
+
+where powershell.exe >nul 2>&1
+if errorlevel 1 (
+  echo ERROR: powershell.exe not found.
+  goto :end
+)
+
+if not exist "%~dp0Watch-Agent8910.ps1" (
+  echo ERROR: Watch-Agent8910.ps1 missing next to this bat.
+  goto :end
+)
+
+echo Starting Watch-Agent8910 -Once ...
+echo.
+powershell.exe -NoLogo -NoProfile -ExecutionPolicy Bypass -File "%~dp0Watch-Agent8910.ps1" -Once %*
+set ERR=%ERRORLEVEL%
+echo.
+echo Finished. ExitCode=%ERR%
+
+:end
+echo.
+pause
+exit /b %ERR%