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2026-07-12 21:26:08 +08:00
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+#Requires -Version 5.1
+<#
+.SYNOPSIS
+  llm-wiki Windows PowerShell install wrapper
+
+.DESCRIPTION
+  Fixes the combined encoding problem on Windows PowerShell 5.1:
+    - console default is GB2312 (CP936) on Chinese Windows
+    - $OutputEncoding defaults to ASCII (CP1252)
+    - Python subprocess sys.stdout.encoding defaults to gbk (cp936)
+  This wrapper forces UTF-8 across all three layers so install.sh Chinese
+  output and hook-generated JSON are not garbled (issue #16).
+
+  Steps:
+    1. chcp 65001 (console code page)
+    2. [Console]::InputEncoding / OutputEncoding = UTF-8
+    3. $OutputEncoding = UTF-8 (how PS decodes subprocess stdout)
+    4. PYTHONIOENCODING=utf-8 (Python subprocess output)
+    5. Invoke bash install.sh, forwarding all args
+
+  All Write-Host output is kept ASCII-only so this script works even when
+  PowerShell 5.1 parses the .ps1 file under Chinese ANSI (GBK) codepage
+  with no BOM. The actual Chinese UI comes from install.sh after handoff.
+
+.EXAMPLE
+  PS> powershell -ExecutionPolicy Bypass -File install.ps1 --platform claude
+
+.EXAMPLE
+  PS> powershell -ExecutionPolicy Bypass -File install.ps1 --platform codex --dry-run
+
+.NOTES
+  - Requires Git for Windows (Git Bash) or WSL to provide bash on PATH
+  - PowerShell 7+ users default to UTF-8 and can run bash install.sh directly
+  - This wrapper adjusts environment only; it does not alter install.sh logic
+#>
+
+[CmdletBinding()]
+param(
+  [Parameter(ValueFromRemainingArguments = $true)]
+  [string[]]$RemainingArgs
+)
+
+$ErrorActionPreference = 'Stop'
+
+# 1. Switch console code page to UTF-8
+$null = & chcp.com 65001
+
+# 2. Console input/output encoding
+[Console]::InputEncoding = [System.Text.Encoding]::UTF8
+[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
+
+# 3. How PS decodes subprocess stdout bytes
+$OutputEncoding = [System.Text.Encoding]::UTF8
+
+# 4. Force Python subprocess stdout/stderr to UTF-8
+$env:PYTHONIOENCODING = 'utf-8'
+
+# 5. Detect bash
+$bashCmd = Get-Command bash -ErrorAction SilentlyContinue
+if (-not $bashCmd) {
+  Write-Host "[llm-wiki] Error: bash not found on PATH." -ForegroundColor Red
+  Write-Host "          Install Git for Windows first: https://git-scm.com/download/win" -ForegroundColor Red
+  exit 1
+}
+
+# Script root (use $PSScriptRoot to avoid null $MyInvocation.MyCommand.Path under -File)
+$scriptDir = $PSScriptRoot
+if ([string]::IsNullOrEmpty($scriptDir)) {
+  $scriptDir = Split-Path -Parent $PSCommandPath
+}
+$installSh = Join-Path -Path $scriptDir -ChildPath 'install.sh'
+
+if (-not (Test-Path $installSh)) {
+  Write-Host "[llm-wiki] Error: install.sh not found at $installSh" -ForegroundColor Red
+  exit 1
+}
+
+Write-Host "[llm-wiki] UTF-8 environment ready, launching install.sh..." -ForegroundColor Cyan
+
+# Forward args
+if ($null -eq $RemainingArgs -or $RemainingArgs.Count -eq 0) {
+  & bash $installSh
+} else {
+  & bash $installSh @RemainingArgs
+}
+
+exit $LASTEXITCODE