Add initial PsiTransfer Filelink provider scaffold

build-xpi.ps1

@@ -0,0 +1,75 @@
+<#
+.SYNOPSIS
+  Build an XPI from the repository contents.
+
+.DESCRIPTION
+  - Reads the version from manifest.json.
+  - Packages the repo while excluding build scripts, release output, and local editor folders.
+  - Writes the finished XPI to release/.
+#>
+
+$ScriptDir = Split-Path $MyInvocation.MyCommand.Path
+$ReleaseDir = Join-Path $ScriptDir 'release'
+$Manifest = Join-Path $ScriptDir 'manifest.json'
+
+if (-not (Test-Path $Manifest)) {
+  Write-Error "manifest.json not found at $Manifest"
+  exit 1
+}
+
+if (-not (Test-Path $ReleaseDir)) {
+  New-Item -ItemType Directory -Path $ReleaseDir | Out-Null
+}
+
+$version = (Get-Content $Manifest -Raw | ConvertFrom-Json).version
+if (-not $version) {
+  Write-Error "No version found in manifest.json"
+  exit 1
+}
+
+$artifactBase = "psitransfer-filelink-$version"
+$zipPath = Join-Path $ReleaseDir "$artifactBase.zip"
+$xpiPath = Join-Path $ReleaseDir "$artifactBase.xpi"
+
+Remove-Item -Path $zipPath, $xpiPath -Force -ErrorAction SilentlyContinue
+
+$allFiles = Get-ChildItem -Path $ScriptDir -Recurse -File |
+  Where-Object {
+    $_.Extension -notin '.ps1', '.sh' -and
+    $_.FullName -notmatch '\\release\\' -and
+    $_.FullName -notmatch '\\.git\\' -and
+    $_.FullName -notmatch '\\.idea\\' -and
+    $_.FullName -notmatch '\\.vscode\\'
+  }
+
+if ($allFiles.Count -eq 0) {
+  Write-Error "No files found to package."
+  exit 1
+}
+
+foreach ($file in $allFiles) {
+  $size = (Get-Item $file.FullName).Length
+  $rel = $file.FullName.Substring($ScriptDir.Length + 1).TrimStart('\')
+  $entryName = $rel.Replace('\', '/')
+  Write-Host "Zipping: $entryName <- $($file.FullName) ($size bytes)"
+}
+
+Add-Type -AssemblyName System.IO.Compression.FileSystem
+
+$zip = [System.IO.Compression.ZipFile]::Open($zipPath, 'Create')
+foreach ($file in $allFiles) {
+  $rel = $file.FullName.Substring($ScriptDir.Length + 1).TrimStart('\')
+  $entryName = $rel.Replace('\', '/')
+
+  [System.IO.Compression.ZipFileExtensions]::CreateEntryFromFile(
+    $zip,
+    $file.FullName,
+    $entryName,
+    [System.IO.Compression.CompressionLevel]::Optimal
+  )
+}
+$zip.Dispose()
+
+Rename-Item -Path $zipPath -NewName "$artifactBase.xpi" -Force
+
+Write-Host "Built XPI at: $xpiPath"