refactor(go): Remove legacy C# and Node proxy; establish pure Go core engine and configure linguist attributes

START.cmd

@@ -1,16 +1,19 @@
 @echo off
 setlocal EnableExtensions
 cd /d "%~dp0"
-title Ananta 4229938 Private Server
+title Ananta Private Server (Native Go Engine)
 
-where powershell.exe >nul 2>&1
-if errorlevel 1 (
-  echo [ERROR] Windows PowerShell was not found.
-  pause
-  exit /b 3
+if not exist ananta-server.exe (
+  echo [BUILD] Compiling ananta-server.exe with Go...
+  go build -o ananta-server.exe ./cmd/ananta-server
+  if errorlevel 1 (
+    echo [ERROR] Go build failed.
+    pause
+    exit /b 1
+  )
 )
 
-powershell.exe -NoLogo -NoProfile -ExecutionPolicy Bypass -File "%~dp0Run-All.ps1"
+ananta-server.exe
 set "rc=%errorlevel%"
 if not "%rc%"=="0" pause
 exit /b %rc%