chore: apply upstream commit adjustments for URL extraction; add regression test script

Author: OdynBrouwer

scripts/regression_test.ps1

@@ -0,0 +1,35 @@
+# Regression test: compare tv_downloader_fixed and tv_downloader_enhanced outputs for a URL
+# Usage: . .venv\Scripts\Activate.ps1; ./scripts/regression_test.ps1 -Url "https://www.tradingview.com/scripts/luxalgo/"
+param(
+  [string]$Url = "https://www.tradingview.com/scripts/luxalgo/",
+  [int]$MaxPages = 3
+)
+
+$env:PINE_OUTPUT_DIR = ""
+$base = Get-Location
+Remove-Item -Recurse -Force -ErrorAction SilentlyContinue "test_fixed" | Out-Null
+Remove-Item -Recurse -Force -ErrorAction SilentlyContinue "test_enhanced" | Out-Null
+
+Write-Host "Running fixed downloader..." -ForegroundColor Cyan
+python tv_downloader_fixed.py --url $Url --output ./test_fixed --max-pages $MaxPages --visible:$false
+
+Write-Host "Running enhanced downloader..." -ForegroundColor Cyan
+python tv_downloader_enhanced.py --url $Url --output ./test_enhanced --no-resume --delay 1.5 --visible:$false
+
+function Count-PineFiles($dir) {
+  if (!(Test-Path $dir)) { return 0 }
+  return (Get-ChildItem -Recurse -Include *.pine -Path $dir -ErrorAction SilentlyContinue | Measure-Object).Count
+}
+
+$fixedCount = Count-PineFiles "$base\test_fixed"
+$enhancedCount = Count-PineFiles "$base\test_enhanced"
+
+Write-Host "\nResults:" -ForegroundColor Green
+Write-Host "  Fixed downloader:    $fixedCount .pine files" -ForegroundColor Yellow
+Write-Host "  Enhanced downloader: $enhancedCount .pine files" -ForegroundColor Yellow
+
+if ($fixedCount -ne $enhancedCount) {
+  Write-Host "Counts differ. Inspect ./test_fixed and ./test_enhanced for details." -ForegroundColor Red
+} else {
+  Write-Host "Counts match." -ForegroundColor Green
+}

systemd/tv-downloader.service

@@ -7,7 +7,7 @@ Wants=network-online.target
 Type=oneshot
 WorkingDirectory=/home/serveradmin/Tradingview-Pine-Script-Downloader
 Environment=PINE_OUTPUT_DIR=/mnt/pinescripts
-Environment=DOWNLOAD_URL="https://www.tradingview.com/scripts/luxalgo/"
+Environment=DOWNLOAD_URL="https://www.tradingview.com/scripts/?script_type=libraries"
 ExecStart=/home/serveradmin/Tradingview-Pine-Script-Downloader/scripts/run_download.sh --url ${DOWNLOAD_URL}
 User=serveradmin
 Nice=10