codex cli 추가

install-codex-cli.ps1

@@ -0,0 +1,71 @@
+#Requires -Version 5.1
+<#
+.SYNOPSIS
+    Installs OpenAI Codex CLI on Windows using PowerShell.
+
+.DESCRIPTION
+    Installs OpenAI Codex CLI natively by invoking the official install.ps1 script.
+    This native installation method is recommended for Windows.
+    Official Guide: https://developers.openai.com/codex/cli
+
+.EXAMPLE
+    .\install-codex-cli.ps1
+
+    # One-liner install from remote (works on Windows 10+):
+    powershell -ExecutionPolicy Bypass -c "[Net.ServicePointManager]::SecurityProtocol=[Net.SecurityProtocolType]::Tls12; $t=\"$env:TEMP\install-codex-cli.ps1\"; iwr -useb 'https://gl.isitsoft.kr/publicproj/install-sh/-/raw/main/install-codex-cli.ps1' -OutFile $t; & $t"
+
+.NOTES
+    If execution policy error occurs:
+      Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
+#>
+
+[CmdletBinding()]
+param()
+
+# 최신 윈도우 환경 및 에러 발생 시 즉시 중단 설정
+Set-StrictMode -Version Latest
+$ErrorActionPreference = 'Stop'
+
+# HTTPS 다운로드를 위한 TLS 1.2 강제 (PowerShell 5.1 호환성 보장)
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+
+# ────────────────────────────────────────────
+# 유틸리티 함수 정의 (모든 안내 문구는 영문으로 작성)
+# ────────────────────────────────────────────
+function Write-Info    { param([string]$msg) Write-Host "[INFO]  $msg" -ForegroundColor Cyan }
+    # 정보 출력
+function Write-Warn    { param([string]$msg) Write-Host "[WARN]  $msg" -ForegroundColor Yellow }
+    # 경고 출력
+function Write-Success { param([string]$msg) Write-Host "[OK]    $msg" -ForegroundColor Green }
+    # 성공 출력
+function Write-Err     { param([string]$msg) Write-Host "[ERROR] $msg" -ForegroundColor Red; exit 1 }
+    # 에러 출력 및 스크립트 강제 종료
+
+# ────────────────────────────────────────────
+# 메인 설치 프로세스
+# ────────────────────────────────────────────
+function Main {
+    Write-Info "===== Codex CLI install script (Windows PowerShell) ====="
+    Write-Info "Installing OpenAI Codex CLI natively..."
+
+    try {
+        Write-Info "Fetching and executing official installer from: https://chatgpt.com/codex/install.ps1"
+        
+        # 공식 설치 ps1 스크립트를 다운로드 및 메모리 상에서 직접 호출 가동
+        $installerScript = Invoke-RestMethod -Uri "https://chatgpt.com/codex/install.ps1" -UseBasicParsing
+        Invoke-Expression $installerScript
+
+        Write-Success "Codex CLI has been successfully installed!"
+        Write-Info "Please restart your terminal window or refresh your PATH environment variable."
+        Write-Info "Run command: codex auth (to log in) and then 'codex' to start."
+    } catch {
+        Write-Err "Failed to install Codex CLI: $_"
+    }
+}
+
+# 예기치 못한 전체 프로세스 에러 감지를 위한 Trap 설정
+trap {
+    Write-Err "An unexpected error occurred during installation: $_"
+}
+
+Main