feat: ship skill and MCP workflows with signed updater for v0.0.7

scripts/updates/get-exe-version.ps1

@@ -0,0 +1,19 @@
+param(
+  [Parameter(Mandatory = $true)]
+  [string]$Path
+)
+
+$ErrorActionPreference = 'Stop'
+$item = Get-Item -LiteralPath $Path
+
+if (-not $item.PSIsContainer -and $item.Extension -ieq '.exe') {
+  [pscustomobject]@{
+    productVersion = [string]$item.VersionInfo.ProductVersion
+    fileVersion = [string]$item.VersionInfo.FileVersion
+    productName = [string]$item.VersionInfo.ProductName
+    fileDescription = [string]$item.VersionInfo.FileDescription
+  } | ConvertTo-Json -Compress
+  exit 0
+}
+
+throw "Not an executable file: $Path"