feat(parity): G3 visual parity harness; first old-vs-gpui comparison recorded
Fixed sample sheet (boxdraw families, blocks/shades/quadrants/sextants, Powerline separators, CJK alignment ruler, 256/truecolor bars) injected via the focus-free ConPTY injector, captured with PrintWindow PW_RENDERFULLCONTENT. First pass: structural parity across the board - boxes closed and seamless, CJK ruler column-aligned, Powerline triangles crisper on the GPUI side thanks to boxdraw geometry. Follow-ups: same-theme comparison after config sharing, real fastfetch once installed, zoomed stroke-weight audit.
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@@ -56,8 +56,14 @@
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全部 0% CPU）。旧壳发行版始终带侧载对所以从未暴露。修复列入 P2；
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运维规则：任何 nebula 系 exe 旁必须部署侧载对。
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- **1b IME 清单**：输出一页人工验收清单，等用户有空亲手敲。
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- **1c 视觉对账集**：fastfetch + powerline 提示符 + TUI 边框在新旧两壳的
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并排截图脚本与基准图。
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- **1c 视觉对账集**：`scripts/visual_parity.ps1`——固定样张（boxdraw 全家
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桶、块/浓度/象限、Powerline 分隔符、CJK 对齐标尺、256 色/真彩）注入
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两壳并截图（`.tmp_parity_<tag>.png`）。
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**首轮对账 2026-08-13：结构级持平**——框线闭合无缝、CJK 标尺逐列对
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齐、Powerline 三角在 GPUI 侧（boxdraw 几何）边缘更干净；`mixed/half/
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trans` 几行两壳同样偏怪（旧壳像素栅格化的既有观感，非回归）。
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待办：config 共享后做同主题对比；fastfetch 未安装（装上即可入集）；
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放大级笔画粗细对账。
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### P2 实验场补齐终端体验（在 `nebula_gpui` 快速迭代）
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@@ -0,0 +1,141 @@
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# 视觉对账（G3 闸门）：向终端注入一份固定样张，截图存档，供新旧两壳
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# 并排对比。样张覆盖 GPUI 迁移最容易翻车的渲染面：
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# boxdraw 全家桶（单/重/双线、圆角、虚线、对角线）、块元素与浓度块、
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# 象限块、Powerline 分隔符（三角/箭头/圆头）、CJK 对齐标尺、
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# 256 色与真彩渐变。
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# fastfetch 若在 PATH 上则追加真实 fastfetch 输出。
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#
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# 用法:
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# .\scripts\visual_parity.ps1 -Exe <nebula.exe> -Tag winit-old -ExeArgs '--working-directory D:\temp_build\nebula'
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# .\scripts\visual_parity.ps1 -Exe <nebula-gpui.exe> -Tag gpui-lab
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param(
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[Parameter(Mandatory = $true)][string]$Exe,
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[Parameter(Mandatory = $true)][string]$Tag,
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[string]$ExeArgs = '',
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[int]$SettleSec = 4
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)
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$ErrorActionPreference = 'Stop'
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$root = Split-Path -Parent $PSScriptRoot
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$contentFile = Join-Path $root '.tmp_parity_content.ps1'
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$injector = Join-Path $PSScriptRoot 'perf_inject.ps1'
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$outPng = Join-Path $root ".tmp_parity_$Tag.png"
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# ---- 1. 样张（每次重写，保持权威版本在本脚本内）---------------------------
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$e = [char]27
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@"
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`$e = [char]27
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Write-Host "== visual parity sample =="
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Write-Host '-- boxdraw: light / heavy / double / rounded / dashes / diagonals'
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Write-Host '┌───┬───┐ ┏━━━┳━━━┓ ╔═══╦═══╗ ╭───╮'
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Write-Host '│ a │ b │ ┃ c ┃ d ┃ ║ e ║ f ║ │ g │'
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Write-Host '├───┼───┤ ┣━━━╋━━━┫ ╠═══╬═══╣ ╰───╯'
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Write-Host '└───┴───┘ ┗━━━┻━━━┛ ╚═══╩═══╝ ┄┄┅┅┈┈┉┉ ╌╌╍╍'
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Write-Host 'mixed: ┍┑┕┙ ┎┒┖┚ ╒╕╘╛ ╓╖╙╜ half: ╴╵╶╷╸╹╺╻ trans: ╼╽╾╿'
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Write-Host 'diag: ╱╲╳╱╲╳ vertical dashes: ┆┇┊┋╎╏'
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Write-Host '-- blocks / shades / quadrants'
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Write-Host '▁▂▃▄▅▆▇█ ▏▎▍▌▋▊▉█ ░░▒▒▓▓██ ▀▄▌▐▔▕'
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Write-Host '▖▗▘▝▚▞▙▛▜▟ legacy: 🬀🬁🬂🬃🬄🬅🬆🬇🬈🬉🬊'
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Write-Host '-- powerline separators'
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Write-Host "`$e[48;5;25m`$e[38;5;15m one `$e[0m`$e[38;5;25m`$e[48;5;208m$([char]0xE0B0)`$e[38;5;15m two `$e[0m`$e[38;5;208m`$e[48;5;28m$([char]0xE0B0)`$e[38;5;15m three `$e[0m`$e[38;5;28m$([char]0xE0B0)`$e[0m done"
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Write-Host "chevrons: $([char]0xE0B1) $([char]0xE0B1) rtl: $([char]0xE0B2) $([char]0xE0B3) round: $([char]0xE0B4) $([char]0xE0B6)"
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Write-Host '-- CJK alignment ruler (竖线必须逐列对齐)'
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Write-Host '|12345678901234567890123456789012|'
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Write-Host '|中文宽字符对齐测试一二三四五六七八|'
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Write-Host '|あいうえおかきくけこさしすせそたち|'
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Write-Host '|ab中cd文ef字gh宽ij齐kl测mn试op对qr|'
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Write-Host '-- colors'
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`$bar = ''
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foreach (`$i in 16..51) { `$bar += "`$e[48;5;`${i}m " }
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Write-Host "`$bar`$e[0m"
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`$grad = ''
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foreach (`$i in 0..31) { `$r = `$i * 8; `$grad += "`$e[48;2;`${r};64;`$((255 - `$r))m " }
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Write-Host "`$grad`$e[0m"
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if (Get-Command fastfetch -ErrorAction SilentlyContinue) { fastfetch }
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Write-Host '== end of sample =='
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"@ | Set-Content -Path $contentFile -Encoding UTF8
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# ---- 2. Win32 助手 ----------------------------------------------------------
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Add-Type @'
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using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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public class ParityWin {
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[DllImport("user32.dll")] static extern bool EnumWindows(EnumProc cb, IntPtr lp);
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[DllImport("user32.dll")] static extern uint GetWindowThreadProcessId(IntPtr h, out uint pid);
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[DllImport("user32.dll")] static extern bool IsWindowVisible(IntPtr h);
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[DllImport("user32.dll")] public static extern bool GetWindowRect(IntPtr h, out RECT r);
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[DllImport("user32.dll")] public static extern bool SetWindowPos(IntPtr h, IntPtr after, int x, int y, int w, int hh, uint flags);
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[DllImport("user32.dll")] public static extern bool PrintWindow(IntPtr h, IntPtr dc, uint flags);
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public struct RECT { public int L, T, R, B; }
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delegate bool EnumProc(IntPtr h, IntPtr lp);
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public static List<IntPtr> WindowsOf(uint pid) {
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var list = new List<IntPtr>();
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EnumWindows((h, lp) => {
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uint p; GetWindowThreadProcessId(h, out p);
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if (p == pid && IsWindowVisible(h)) list.Add(h);
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return true;
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}, IntPtr.Zero);
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return list;
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}
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}
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'@
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Add-Type -AssemblyName System.Drawing
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Add-Type -MemberDefinition '[DllImport("shcore.dll")] public static extern int SetProcessDpiAwareness(int value);' -Name Dpi -Namespace ParityDpi
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[void][ParityDpi.Dpi]::SetProcessDpiAwareness(2)
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function Get-MainWindow([int]$ProcessId) {
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for ($i = 0; $i -lt 40; $i++) {
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$wins = [ParityWin]::WindowsOf($ProcessId)
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if ($wins.Count -gt 0) {
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$best = $null; $bestW = -1
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foreach ($h in $wins) {
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$r = New-Object ParityWin+RECT
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[void][ParityWin]::GetWindowRect($h, [ref]$r)
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if (($r.R - $r.L) -gt $bestW) { $bestW = $r.R - $r.L; $best = $h }
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}
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return $best
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}
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Start-Sleep -Milliseconds 500
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}
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throw "no visible window for pid $ProcessId"
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}
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# ---- 3. 驱动：启动 → 注入 → 截图 → 清理 ------------------------------------
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Write-Host "launching $Exe $ExeArgs"
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$proc = if ($ExeArgs) {
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Start-Process -FilePath $Exe -ArgumentList $ExeArgs -PassThru
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} else {
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Start-Process -FilePath $Exe -PassThru
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}
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Start-Sleep -Seconds 7
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if ($proc.HasExited) { throw "terminal exited immediately (mux hand-over? pass -ExeArgs)" }
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$hwnd = Get-MainWindow -ProcessId $proc.Id
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# 可见但不抢焦点（HWND_TOPMOST, SWP_NOSIZE|NOMOVE|NOACTIVATE）。
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[void][ParityWin]::SetWindowPos($hwnd, [IntPtr](-1), 0, 0, 0, 0, 0x13)
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$command = "powershell -NoProfile -ExecutionPolicy Bypass -File $contentFile"
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$ok = $false
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for ($attempt = 0; $attempt -lt 5; $attempt++) {
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$out = & powershell -NoProfile -ExecutionPolicy Bypass -File $injector `
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-HostPid $proc.Id -Text $command -Enter 2>&1 | Out-String
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if ($out -match 'ok=True') { $ok = $true; break }
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Start-Sleep -Seconds 2
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}
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if (-not $ok) { Stop-Process -Id $proc.Id -Force; throw "inject failed: $out" }
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Start-Sleep -Seconds $SettleSec
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$r = New-Object ParityWin+RECT
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[void][ParityWin]::GetWindowRect($hwnd, [ref]$r)
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$w = $r.R - $r.L; $h = $r.B - $r.T
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$bmp = New-Object System.Drawing.Bitmap $w, $h
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$g = [System.Drawing.Graphics]::FromImage($bmp)
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$dc = $g.GetHdc()
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# PW_RENDERFULLCONTENT = 2：GPU 合成（D3D/GL）表面必需。
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$shot = [ParityWin]::PrintWindow($hwnd, $dc, 2)
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$g.ReleaseHdc($dc); $g.Dispose()
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$bmp.Save($outPng, [System.Drawing.Imaging.ImageFormat]::Png)
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$bmp.Dispose()
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Write-Host "shot ok=$shot ${w}x${h} -> $outPng"
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Stop-Process -Id $proc.Id -Force -ErrorAction SilentlyContinue
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