fix(release): write UTF-8 without BOM for release payload

scripts/publish-release.ps1

@@ -74,21 +74,37 @@ $ExistingReleases = try {
 $Release = $ExistingReleases | Where-Object { $_.tag_name -eq $TagName }
 
 if (-not $Release) {
-    $Changelog = Get-Content (Join-Path $ProjectRoot "CHANGELOG.md") -Raw
-    $Body = @{
+    $Utf8NoBom = New-Object System.Text.UTF8Encoding($false)
+    $Changelog = [System.IO.File]::ReadAllText((Join-Path $ProjectRoot "CHANGELOG.md"), $Utf8NoBom)
+    $PayloadPath = Join-Path $DistDir "release_req.json"
+    $Payload = @{
         tag_name = $TagName
         name = "Sanctum $TagName (Windows x86_64)"
         body = $Changelog
         draft = $false
         prerelease = $false
-    } | ConvertTo-Json
+    } | ConvertTo-Json -Depth 5
+    [System.IO.File]::WriteAllText($PayloadPath, $Payload, $Utf8NoBom)
 
-    $Release = Invoke-RestMethod -Uri "$GiteaUrl/api/v1/repos/$Owner/$Repo/releases" -Headers $Headers -Method Post -Body $Body -ContentType "application/json; charset=utf-8"
+
+    $CreateResp = & curl.exe -s -X POST "$GiteaUrl/api/v1/repos/$Owner/$Repo/releases" `
+      -H "Authorization: token $Token" `
+      -H "Content-Type: application/json; charset=utf-8" `
+      --data-binary "@$PayloadPath"
+
+    Remove-Item $PayloadPath -Force -ErrorAction SilentlyContinue
+
+    $Release = $CreateResp | ConvertFrom-Json
+    if (-not $Release.id) {
+        Write-Error "Fehler beim Erstellen des Releases: $CreateResp"
+        exit 1
+    }
     Write-Host "[OK] Release $TagName auf Gitea angelegt (ID: $($Release.id))." -ForegroundColor Green
 } else {
     Write-Host "[INFO] Release $TagName existiert bereits (ID: $($Release.id))." -ForegroundColor Yellow
 }
 
+
 $UploadUrl = "$GiteaUrl/api/v1/repos/$Owner/$Repo/releases/$($Release.id)/assets"
 
 # ZIP Asset hochladen