chore: 为 Admin 启动脚本增加热重载 (#13)

run_admin.bat

@@ -0,0 +1,55 @@
+@echo off
+setlocal
+
+set "AIR_VERSION=v1.61.7"
+
+cd /d "%~dp0admin"
+if errorlevel 1 (
+    echo [ERROR] Cannot enter the admin directory.
+    pause
+    exit /b 1
+)
+
+where go >nul 2>&1
+if errorlevel 1 (
+    echo [ERROR] Go was not found. Install Go 1.23.0 and reopen the terminal.
+    pause
+    exit /b 1
+)
+
+for /f "usebackq delims=" %%G in (`go env GOPATH`) do set "ADMIN_GOPATH=%%G"
+if not defined ADMIN_GOPATH (
+    echo [ERROR] Cannot read GOPATH.
+    pause
+    exit /b 1
+)
+
+set "AIR_EXE=%ADMIN_GOPATH%\bin\air.exe"
+set "NEED_INSTALL=0"
+if not exist "%AIR_EXE%" set "NEED_INSTALL=1"
+
+if exist "%AIR_EXE%" (
+    "%AIR_EXE%" -v 2>nul | findstr /c:"%AIR_VERSION%" >nul
+    if errorlevel 1 set "NEED_INSTALL=1"
+)
+
+if "%NEED_INSTALL%"=="1" (
+    echo [INFO] Installing Air %AIR_VERSION% for Go 1.23...
+    go install github.com/air-verse/air@%AIR_VERSION%
+    if errorlevel 1 (
+        echo [ERROR] Air installation failed. Check the network and GOPROXY.
+        pause
+        exit /b 1
+    )
+)
+
+echo [INFO] Starting Admin with hot reload. Press Ctrl+C to stop.
+"%AIR_EXE%" -c .air.toml
+set "ADMIN_EXIT_CODE=%ERRORLEVEL%"
+
+if not "%ADMIN_EXIT_CODE%"=="0" (
+    echo [ERROR] Admin stopped with exit code %ADMIN_EXIT_CODE%.
+    pause
+)
+
+endlocal & exit /b %ADMIN_EXIT_CODE%