Release-Skript: Signierschlüssel an die Tauri-CLI übergeben

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

build.ps1

@@ -21,8 +21,11 @@ function Invoke-Native([string]$Description, [scriptblock]$Command) {
 }
 
 $defaultKey = Join-Path $env:USERPROFILE '.vitosupdater\updater.key'
-if (-not $env:TAURI_SIGNING_PRIVATE_KEY -and -not $env:TAURI_SIGNING_PRIVATE_KEY_PATH -and (Test-Path $defaultKey)) {
-    $env:TAURI_SIGNING_PRIVATE_KEY_PATH = $defaultKey
+if (-not $env:TAURI_SIGNING_PRIVATE_KEY) {
+    # Die Tauri-CLI liest nur TAURI_SIGNING_PRIVATE_KEY (Pfad oder Inhalt); _PATH wird hier darauf abgebildet.
+    $keySource = $env:TAURI_SIGNING_PRIVATE_KEY_PATH
+    if (-not $keySource) { $keySource = $defaultKey }
+    if (Test-Path $keySource) { $env:TAURI_SIGNING_PRIVATE_KEY = (Get-Content $keySource -Raw -Encoding UTF8).Trim() }
 }
 $env:CI = 'true'