Avoid Suno WAV fallback failures

process-suno-library.ps1

@@ -360,7 +360,6 @@ foreach ($track in $tracks) {
 
     $albumTitle = Get-AlbumTitle $title $id
     $trackFolder = Get-TrackFolder $libraryRoot $title $id
-    New-Item -ItemType Directory -Force -Path $trackFolder | Out-Null
     $safeTitle = ConvertTo-SafeName $title $id
     $shortId = Get-ShortId $id
     $trackNo = Get-NextTrackNumber $trackFolder
@@ -374,7 +373,6 @@ foreach ($track in $tracks) {
     $wavUrl = Resolve-SunoMediaUrl $(if ($track.wavUrl) { "$($track.wavUrl)" } else { Get-DeepValue $track @("wav_url", "wavUrl", "download_url", "downloadUrl") })
     $wavCandidates = @()
     if ($wavUrl) { $wavCandidates += $wavUrl }
-    if ($id) { $wavCandidates += "https://cdn1.suno.ai/$id.wav" }
     $wavCandidates = $wavCandidates | Where-Object { $_ } | Select-Object -Unique
     $imageUrl = if ($track.imageUrl) { "$($track.imageUrl)" } else { Get-DeepValue $track @("image_url", "imageUrl", "image_large_url", "cover_url") }
 
@@ -389,6 +387,11 @@ foreach ($track in $tracks) {
     Write-Host ""
     Write-Host "[$index/$($tracks.Count)] $title"
 
+    if (-not $wavCandidates.Count) {
+        Write-Warning "WAV URL이 없어서 건너뜀: $title"
+        continue
+    }
+
     $audioOk = $false
     foreach ($candidate in $wavCandidates) {
         Write-Host "WAV 후보 시도: $candidate"
@@ -400,6 +403,8 @@ foreach ($track in $tracks) {
         continue
     }
 
+    New-Item -ItemType Directory -Force -Path $trackFolder | Out-Null
+
     $coverOk = $false
     if ($imageUrl) {
         $coverDownloaded = Invoke-Download $imageUrl $rawCoverFile