fix(codex): add PowerShell fallback when Python is missing

On Windows Server without winget/Python, the patcher now generates
config.toml directly in PowerShell instead of requiring Python 3.11+.
Python patcher is still used when available.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

codex/ucodex_install.ps1

@@ -25,7 +25,7 @@ function Refresh-Path {
 
 # ---- Check prerequisites ----
 
-# Python 3.11+ (for tomllib)
+# Python 3.11+ (for tomllib) — optional, fallback to PowerShell patching
 $pyCmd = $null
 foreach ($candidate in @("python3", "python")) {
     if (Test-Command $candidate) {
@@ -41,20 +41,8 @@ foreach ($candidate in @("python3", "python")) {
 }
 
 if (-not $pyCmd) {
-    Write-Host "  Python 3.11+ not found. Installing..." -ForegroundColor Yellow
-    if (Test-Command "winget") {
-        winget install --id Python.Python.3.12 --accept-package-agreements --accept-source-agreements -e 2>$null
-        Refresh-Path
-        foreach ($candidate in @("python3", "python")) {
-            if (Test-Command $candidate) { $pyCmd = $candidate; break }
+    Write-Host "  Python 3.11+ not found, will use PowerShell fallback for patching" -ForegroundColor Yellow
 }
-    }
-    if (-not $pyCmd) {
-        Write-Host "  Install Python 3.11+ manually: https://www.python.org/downloads/" -ForegroundColor Red
-        exit 1
-    }
-}
-Write-Host "  Python OK ($pyCmd)" -ForegroundColor Green
 
 # curl (usually built into Windows 10+)
 if (-not (Test-Command "curl.exe") -and -not (Test-Command "curl")) {
@@ -160,8 +148,10 @@ if ($currentVersion -eq $latestVersion) {
     }
 }
 
-# ---- Download and apply patcher ----
+# ---- Apply patches ----
 
+if ($pyCmd) {
+    # Python available — use full patcher
     Write-Host "  Downloading patcher..." -ForegroundColor Cyan
     $patchDir = Join-Path $env:TEMP "codex-patcher-$(Get-Random)"
     New-Item -ItemType Directory -Force -Path $patchDir | Out-Null
@@ -175,27 +165,69 @@ try {
         Invoke-WebRequest -Uri "$repoRaw/codex_config.json" -OutFile "$patchDir\codex_config.json" -UseBasicParsing -Headers $headers
         Write-Host "  Patcher downloaded" -ForegroundColor Green
     } catch {
-    # Try without auth
         try {
             Invoke-WebRequest -Uri "$repoRaw/codex_patcher.py" -OutFile "$patchDir\codex_patcher.py" -UseBasicParsing
             Invoke-WebRequest -Uri "$repoRaw/codex_config.json" -OutFile "$patchDir\codex_config.json" -UseBasicParsing
             Write-Host "  Patcher downloaded (no auth)" -ForegroundColor Green
         } catch {
-        Write-Host "  Download failed: $_" -ForegroundColor Red
-        Write-Host "  Clone repo manually: git clone https://git.sensey24.ru/aibot777/unlimitedcoding.git" -ForegroundColor Yellow
-        Remove-Item -Recurse -Force $patchDir -ErrorAction SilentlyContinue
-        exit 1
+            Write-Host "  Patcher download failed, using PowerShell fallback" -ForegroundColor Yellow
+            $pyCmd = $null
         }
     }
 
+    if ($pyCmd) {
         Write-Host "  Applying patches..." -ForegroundColor Cyan
         & $pyCmd "$patchDir\codex_patcher.py" --apply --config "$patchDir\codex_config.json"
         if ($LASTEXITCODE -ne 0) {
-    Write-Host "  Patching returned exit code $LASTEXITCODE" -ForegroundColor Yellow
-}
+            Write-Host "  Patcher returned exit code $LASTEXITCODE, using PowerShell fallback" -ForegroundColor Yellow
+            $pyCmd = $null
+        } else {
             Write-Host "  Patches applied" -ForegroundColor Green
-
+        }
+    }
     Remove-Item -Recurse -Force $patchDir -ErrorAction SilentlyContinue
+}
+
+if (-not $pyCmd) {
+    # PowerShell fallback — generate config.toml directly
+    Write-Host "  Applying patches (PowerShell)..." -ForegroundColor Cyan
+
+    $configDir = "$env:APPDATA\codex"
+    New-Item -ItemType Directory -Force -Path $configDir | Out-Null
+    $configToml = Join-Path $configDir "config.toml"
+
+    $tomlContent = @"
+model = "gpt-5.4"
+model_reasoning_effort = "high"
+model_provider = "custom"
+approval_policy = "never"
+sandbox_mode = "danger-full-access"
+check_for_update_on_startup = false
+forced_login_method = "api"
+
+[analytics]
+enabled = false
+
+[model_providers.custom]
+name = "custom"
+base_url = "https://ai.37-187-136-86.sslip.io/v1"
+wire_api = "responses"
+"@
+
+    [System.IO.File]::WriteAllText($configToml, $tomlContent)
+    Write-Host "  config.toml created: $configToml" -ForegroundColor Green
+
+    # Create auth token
+    $authDir = "$env:APPDATA\codex"
+    $authFile = Join-Path $authDir ".codex_api_key"
+    [System.IO.File]::WriteAllText($authFile, "ClauderAPI")
+    Write-Host "  Auth token set" -ForegroundColor Green
+
+    # Set env vars via setx
+    & setx OPENAI_API_KEY "ClauderAPI" 2>$null | Out-Null
+    & setx OPENAI_BASE_URL "https://ai.37-187-136-86.sslip.io/v1" 2>$null | Out-Null
+    Write-Host "  Env vars set via setx" -ForegroundColor Green
+}
 
 # ---- Configure environment variables ----
 

codex/ucodex_update.ps1

@@ -95,7 +95,21 @@ if ($oldVer -eq $latestVer) {
 
 # ---- Download and apply patches ----
 
-$pyCmd = if (Get-Command python3 -ErrorAction SilentlyContinue) { "python3" } else { "python" }
+$pyCmd = $null
+foreach ($candidate in @("python3", "python")) {
+    if (Get-Command $candidate -ErrorAction SilentlyContinue) {
+        try {
+            $pyVer = & $candidate -c "import sys; print(f'{sys.version_info.major}.{sys.version_info.minor}')" 2>$null
+            $parts = $pyVer -split '\.'
+            if ([int]$parts[0] -ge 3 -and [int]$parts[1] -ge 11) {
+                $pyCmd = $candidate
+                break
+            }
+        } catch {}
+    }
+}
+
+if ($pyCmd) {
     $patchDir = Join-Path $env:TEMP "codex-patch-$(Get-Random)"
     New-Item -ItemType Directory -Force -Path $patchDir | Out-Null
 
@@ -104,13 +118,47 @@ $token = "cadffcb0a6a3be728ac1ff619bb40c86588f6837"
     $headers = @{ "Authorization" = "token $token" }
 
     Write-Host "  Downloading patcher..." -ForegroundColor Cyan
+    try {
         Invoke-WebRequest -Uri "$repoRaw/codex_patcher.py" -OutFile "$patchDir\codex_patcher.py" -UseBasicParsing -Headers $headers
         Invoke-WebRequest -Uri "$repoRaw/codex_config.json" -OutFile "$patchDir\codex_config.json" -UseBasicParsing -Headers $headers
-
         Write-Host "  Applying patches..." -ForegroundColor Cyan
         & $pyCmd "$patchDir\codex_patcher.py" --apply --config "$patchDir\codex_config.json"
-
+    } catch {
+        Write-Host "  Patcher failed, using PowerShell fallback" -ForegroundColor Yellow
+        $pyCmd = $null
+    }
     Remove-Item -Recurse -Force $patchDir -ErrorAction SilentlyContinue
+}
+
+if (-not $pyCmd) {
+    Write-Host "  Applying patches (PowerShell)..." -ForegroundColor Cyan
+    $configDir = "$env:APPDATA\codex"
+    New-Item -ItemType Directory -Force -Path $configDir | Out-Null
+    $configToml = Join-Path $configDir "config.toml"
+    $tomlContent = @"
+model = "gpt-5.4"
+model_reasoning_effort = "high"
+model_provider = "custom"
+approval_policy = "never"
+sandbox_mode = "danger-full-access"
+check_for_update_on_startup = false
+forced_login_method = "api"
+
+[analytics]
+enabled = false
+
+[model_providers.custom]
+name = "custom"
+base_url = "https://ai.37-187-136-86.sslip.io/v1"
+wire_api = "responses"
+"@
+    [System.IO.File]::WriteAllText($configToml, $tomlContent)
+    & setx OPENAI_API_KEY "ClauderAPI" 2>$null | Out-Null
+    & setx OPENAI_BASE_URL "https://ai.37-187-136-86.sslip.io/v1" 2>$null | Out-Null
+    $env:OPENAI_API_KEY = "ClauderAPI"
+    $env:OPENAI_BASE_URL = "https://ai.37-187-136-86.sslip.io/v1"
+    Write-Host "  Patches applied (PowerShell fallback)" -ForegroundColor Green
+}
 
 Write-Host ""
 Write-Host "  Update complete!" -ForegroundColor Green