phase 0.3

build.bat

@@ -0,0 +1,31 @@
+@echo off
+setlocal EnableDelayedExpansion
+cd /d "%~dp0"
+
+:: ── Check Go ─────────────────────────────────────────────────
+where go >nul 2>&1
+if errorlevel 1 (
+    echo [ERROR] Go is not installed or not on PATH.
+    pause & exit /b 1
+)
+
+:: ── Deps ─────────────────────────────────────────────────────
+echo [*] go mod tidy...
+go mod tidy
+if errorlevel 1 ( echo [ERROR] go mod tidy failed. & pause & exit /b 1 )
+
+:: ── Build game ───────────────────────────────────────────────
+echo [*] Building skyrama.exe ...
+go build -o skyrama.exe .\cmd\skyrama\
+if errorlevel 1 ( echo [ERROR] Game build failed. & pause & exit /b 1 )
+
+:: ── Build admin ──────────────────────────────────────────────
+echo [*] Building admin.exe ...
+go build -o admin.exe .\cmd\admin\
+if errorlevel 1 ( echo [ERROR] Admin build failed. & pause & exit /b 1 )
+
+echo.
+echo [OK] skyrama.exe and admin.exe built successfully.
+echo.
+pause
+endlocal