Actualiza toolkit operativo y documentación

deploy_skill/scripts/Invoke-GitHubApi.ps1

@@ -29,7 +29,9 @@ $args = @("-sS", "-i", "-X", $Method.ToUpper(), "-H", "Authorization: Bearer $en
 if ($PSBoundParameters.ContainsKey("BodyJson")) {
     try { $null = $BodyJson | ConvertFrom-Json } catch { throw "BodyJson is not valid JSON: $($_.Exception.Message)" }
     $tmpBody = [System.IO.Path]::GetTempFileName()
-    Set-Content -LiteralPath $tmpBody -Value $BodyJson -NoNewline -Encoding utf8
+    # Set-Content -Encoding utf8 mete BOM en PS 5.1 y GitHub responde
+    # 400 "Problems parsing JSON". WriteAllText con UTF8Encoding($false) no lo hace.
+    [System.IO.File]::WriteAllText($tmpBody, $BodyJson, (New-Object System.Text.UTF8Encoding($false)))
     $args += @("--data", "@$tmpBody", "-H", "Content-Type: application/json")
 }
 
@@ -44,7 +46,9 @@ try {
     $bodyBlock = if ($parts.Count -ge 2) { $parts[1] } else { "{}" }
 
     $statusLine = ($headersBlock -split "`n" | Select-Object -First 1).Trim()
-    if ($statusLine -notmatch " 20[04-9] ") {
+    # 2xx completo: crear un repo responde 201 y la clase anterior ([04-9]) lo
+    # trataba como error pese al éxito.
+    if ($statusLine -notmatch " 20[0-9] ") {
         $snippet = $bodyBlock.Trim()
         if ($snippet.Length -gt 400) { $snippet = $snippet.Substring(0, 400) + "..." }
         throw "GitHub API HTTP error: $statusLine`nBody: $snippet"