fix: vendor wcf python deps for isolated profile

scripts/windows/personal-wechat/start.ps1

@@ -2,6 +2,7 @@ $ErrorActionPreference = "Stop"
 
 $Root = "C:\UniDesk\personal-wechat"
 $WcfRoot = Join-Path $Root "wcf\v39.5.2"
+$PythonSite = Join-Path $WcfRoot "python-site"
 $StateRoot = Join-Path $Root "wcf-state"
 $DataRoot = Join-Path $Root "data\profile"
 $AppData = Join-Path $DataRoot "AppData\Roaming"
@@ -15,7 +16,7 @@ $Stdout = Join-Path $StateRoot "wcf-host.stdout.log"
 $Stderr = Join-Path $StateRoot "wcf-host.stderr.log"
 $Runner = Join-Path $StateRoot "wcf-host-runner.cmd"
 
-New-Item -ItemType Directory -Force $StateRoot,$DataRoot,$AppData,$LocalAppData,$Documents,$TempRoot | Out-Null
+New-Item -ItemType Directory -Force $StateRoot,$DataRoot,$AppData,$LocalAppData,$Documents,$TempRoot,$PythonSite | Out-Null
 
 function Get-WcfProcessByPidFile {
   if (!(Test-Path -LiteralPath $PidFile)) { return $null }
@@ -53,11 +54,13 @@ Start-Sleep -Seconds 2
 
 Remove-Item -Force (Join-Path $StateRoot "status.json") -ErrorAction SilentlyContinue
 Remove-Item -Force (Join-Path $WcfRoot "injector.log") -ErrorAction SilentlyContinue
+Remove-Item -Force $PidFile -ErrorAction SilentlyContinue
 
 @"
 @echo off
 set WCF_COMMAND_PORT=10086
 set WCF_STATE_ROOT=$StateRoot
+set PYTHONPATH=$PythonSite
 set USERPROFILE=$DataRoot
 set APPDATA=$AppData
 set LOCALAPPDATA=$LocalAppData
@@ -88,6 +91,7 @@ if (Test-Path -LiteralPath $PidFile) {
   stderr = $Stderr
   status = (Join-Path $StateRoot "status.json")
   dataRoot = $DataRoot
+  pythonSite = $PythonSite
   appData = $AppData
   localAppData = $LocalAppData
 } | ConvertTo-Json -Depth 6