Fix: install git before upterm bucket, verify upterm.exe after install

setup-windows.ps1

@@ -128,13 +128,30 @@ if (-not $7zipOk) {
 }
 Write-Host "      OK"
 
-# 4. upterm
+# 4. upterm (git wird fuer Scoop-Buckets benoetigt)
 Write-Host "[4/4] Installiere upterm..."
-try { scoop bucket add upterm https://github.com/owenthereal/scoop-upterm } catch {}
-try {
-    scoop install upterm
-} catch {
-    Write-Host "FEHLER: upterm Installation fehlgeschlagen: $_"
+
+# git pruefen / installieren
+if (-not (Get-Command git -ErrorAction SilentlyContinue)) {
+    Write-Host "      git nicht gefunden - wird installiert..."
+    scoop install git
+    # PATH aktualisieren
+    $gitShim = "$env:USERPROFILE\scoop\shims"
+    if ($env:PATH -notlike "*$gitShim*") { $env:PATH = "$env:PATH;$gitShim" }
+    if (-not (Get-Command git -ErrorAction SilentlyContinue)) {
+        Write-Host "FEHLER: git Installation fehlgeschlagen."
+        Read-Host "Enter zum Beenden"; exit 1
+    }
+    Write-Host "      git installiert."
+} else {
+    Write-Host "      git bereits vorhanden."
+}
+
+scoop bucket add upterm https://github.com/owenthereal/scoop-upterm 2>&1 | Out-Null
+scoop install upterm 2>&1 | Tee-Object -Variable scoopOut
+if (-not (Get-Command upterm -ErrorAction SilentlyContinue)) {
+    Write-Host "FEHLER: upterm wurde nicht installiert."
+    Write-Host $scoopOut
     Read-Host "Enter zum Beenden"; exit 1
 }
 Write-Host "      OK"