feat(tools): visual dev snapshots for compare images

tools/run-and-shot.ps1

@@ -0,0 +1,27 @@
+param(
+    [string]$Out = "tools/out/app.png",
+    [switch]$NoBuild
+)
+
+$ErrorActionPreference = "Stop"
+
+if (-not $NoBuild) {
+    cargo build
+    if ($LASTEXITCODE -ne 0) { exit 1 }
+}
+
+$exe = Join-Path $PWD "target\debug\bropicker.exe"
+if (-not (Test-Path $exe)) {
+    Write-Error "bropicker.exe not found, build first"
+    exit 1
+}
+
+$proc = Start-Process -FilePath $exe -WorkingDirectory $PWD -PassThru
+Start-Sleep -Milliseconds 1800
+
+& "$PSScriptRoot\shot.ps1" -ProcId $proc.Id -Out $Out
+$shotOk = ($LASTEXITCODE -eq 0)
+
+Stop-Process -Id $proc.Id -Force -ErrorAction SilentlyContinue
+
+if (-not $shotOk) { exit 1 }