初始化提交

scripts/install.ps1

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+# OpenFang installer for Windows
+# Usage: iwr -useb https://openfang.sh/install.ps1 | iex
+#   or:  powershell -c "irm https://openfang.sh/install.ps1 | iex"
+#
+# Flags (via environment variables):
+#   $env:OPENFANG_INSTALL_DIR = custom install directory
+#   $env:OPENFANG_VERSION     = specific version tag (e.g. "v0.1.0")
+
+$ErrorActionPreference = 'Stop'
+
+$Repo = "RightNow-AI/openfang"
+$DefaultInstallDir = Join-Path $env:USERPROFILE ".openfang\bin"
+$InstallDir = if ($env:OPENFANG_INSTALL_DIR) { $env:OPENFANG_INSTALL_DIR } else { $DefaultInstallDir }
+
+function Write-Banner {
+    Write-Host ""
+    Write-Host "  OpenFang Installer" -ForegroundColor Cyan
+    Write-Host "  ==================" -ForegroundColor Cyan
+    Write-Host ""
+}
+
+function Get-Architecture {
+    # Try multiple detection methods — piped iex can break some approaches
+    $arch = ""
+
+    # Method 1: .NET RuntimeInformation
+    try {
+        $arch = [System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture.ToString()
+    } catch {}
+
+    # Method 2: PROCESSOR_ARCHITECTURE env var
+    if (-not $arch -or $arch -eq "") {
+        try { $arch = $env:PROCESSOR_ARCHITECTURE } catch {}
+    }
+
+    # Method 3: WMI
+    if (-not $arch -or $arch -eq "") {
+        try {
+            $wmiArch = (Get-CimInstance Win32_Processor).Architecture
+            if ($wmiArch -eq 9) { $arch = "AMD64" }
+            elseif ($wmiArch -eq 12) { $arch = "ARM64" }
+        } catch {}
+    }
+
+    # Method 4: pointer size fallback (64-bit = 8 bytes)
+    if (-not $arch -or $arch -eq "") {
+        if ([IntPtr]::Size -eq 8) { $arch = "X64" }
+    }
+
+    $archUpper = "$arch".ToUpper().Trim()
+    switch ($archUpper) {
+        { $_ -in "X64", "AMD64", "X86_64" }     { return "x86_64" }
+        { $_ -in "ARM64", "AARCH64", "ARM" }     { return "aarch64" }
+        default {
+            Write-Host "  Unsupported architecture: $arch (detection may have failed)" -ForegroundColor Red
+            Write-Host "  Try: cargo install --git https://github.com/RightNow-AI/openfang openfang-cli" -ForegroundColor Yellow
+            exit 1
+        }
+    }
+}
+
+function Get-LatestVersion {
+    if ($env:OPENFANG_VERSION) {
+        return $env:OPENFANG_VERSION
+    }
+
+    Write-Host "  Fetching latest release..."
+    try {
+        $release = Invoke-RestMethod -Uri "https://api.github.com/repos/$Repo/releases/latest"
+        return $release.tag_name
+    }
+    catch {
+        Write-Host "  Could not determine latest version." -ForegroundColor Red
+        Write-Host "  Install from source instead:" -ForegroundColor Yellow
+        Write-Host "    cargo install --git https://github.com/$Repo openfang-cli"
+        exit 1
+    }
+}
+
+function Install-OpenFang {
+    Write-Banner
+
+    $arch = Get-Architecture
+    $version = Get-LatestVersion
+    $target = "${arch}-pc-windows-msvc"
+    $archive = "openfang-${target}.zip"
+    $url = "https://github.com/$Repo/releases/download/$version/$archive"
+    $checksumUrl = "$url.sha256"
+
+    Write-Host "  Installing OpenFang $version for $target..."
+
+    # Create install directory
+    if (-not (Test-Path $InstallDir)) {
+        New-Item -ItemType Directory -Path $InstallDir -Force | Out-Null
+    }
+
+    # Download to temp
+    $tempDir = Join-Path ([System.IO.Path]::GetTempPath()) "openfang-install"
+    if (Test-Path $tempDir) { Remove-Item -Recurse -Force $tempDir }
+    New-Item -ItemType Directory -Path $tempDir -Force | Out-Null
+
+    $archivePath = Join-Path $tempDir $archive
+    $checksumPath = Join-Path $tempDir "$archive.sha256"
+
+    try {
+        Invoke-WebRequest -Uri $url -OutFile $archivePath -UseBasicParsing
+    }
+    catch {
+        Write-Host "  Download failed. The release may not exist for your platform." -ForegroundColor Red
+        Write-Host "  Install from source instead:" -ForegroundColor Yellow
+        Write-Host "    cargo install --git https://github.com/$Repo openfang-cli"
+        Remove-Item -Recurse -Force $tempDir -ErrorAction SilentlyContinue
+        exit 1
+    }
+
+    # Verify checksum if available
+    $checksumDownloaded = $false
+    try {
+        Invoke-WebRequest -Uri $checksumUrl -OutFile $checksumPath -UseBasicParsing
+        $checksumDownloaded = $true
+    }
+    catch {
+        Write-Host "  Checksum file not available, skipping verification." -ForegroundColor Yellow
+    }
+    if ($checksumDownloaded) {
+        $expectedHash = (Get-Content $checksumPath -Raw).Split(" ")[0].Trim().ToLower()
+        $actualHash = (Get-FileHash $archivePath -Algorithm SHA256).Hash.ToLower()
+        if ($expectedHash -ne $actualHash) {
+            Write-Host "  Checksum verification FAILED!" -ForegroundColor Red
+            Write-Host "    Expected: $expectedHash" -ForegroundColor Red
+            Write-Host "    Got:      $actualHash" -ForegroundColor Red
+            Remove-Item -Recurse -Force $tempDir -ErrorAction SilentlyContinue
+            exit 1
+        }
+        Write-Host "  Checksum verified." -ForegroundColor Green
+    }
+
+    # Extract
+    Expand-Archive -Path $archivePath -DestinationPath $tempDir -Force
+    $exePath = Join-Path $tempDir "openfang.exe"
+    if (-not (Test-Path $exePath)) {
+        # May be nested in a directory
+        $found = Get-ChildItem -Path $tempDir -Filter "openfang.exe" -Recurse | Select-Object -First 1
+        if ($found) {
+            $exePath = $found.FullName
+        }
+        else {
+            Write-Host "  Could not find openfang.exe in archive." -ForegroundColor Red
+            Remove-Item -Recurse -Force $tempDir -ErrorAction SilentlyContinue
+            exit 1
+        }
+    }
+
+    # Install
+    Copy-Item -Path $exePath -Destination (Join-Path $InstallDir "openfang.exe") -Force
+
+    # Clean up temp
+    Remove-Item -Recurse -Force $tempDir -ErrorAction SilentlyContinue
+
+    # Add to user PATH if not already present
+    $currentPath = [Environment]::GetEnvironmentVariable("Path", "User")
+    if ($currentPath -notlike "*$InstallDir*") {
+        [Environment]::SetEnvironmentVariable("Path", "$InstallDir;$currentPath", "User")
+        Write-Host "  Added $InstallDir to user PATH." -ForegroundColor Green
+        Write-Host "  Restart your terminal for PATH changes to take effect." -ForegroundColor Yellow
+    }
+
+    # Verify
+    $installedExe = Join-Path $InstallDir "openfang.exe"
+    if (Test-Path $installedExe) {
+        try {
+            $versionOutput = & $installedExe --version 2>&1
+            Write-Host ""
+            Write-Host "  OpenFang installed successfully! ($versionOutput)" -ForegroundColor Green
+        }
+        catch {
+            Write-Host ""
+            Write-Host "  OpenFang binary installed to $installedExe" -ForegroundColor Green
+        }
+    }
+
+    Write-Host ""
+    Write-Host "  Get started:" -ForegroundColor Cyan
+    Write-Host "    openfang init"
+    Write-Host ""
+    Write-Host "  The setup wizard will guide you through provider selection"
+    Write-Host "  and configuration."
+    Write-Host ""
+}
+
+Install-OpenFang