public function downloadDocument()
{
    try {
        // Get storage disk instance
        $storage = Storage::disk('local'); // or whatever disk you're using
        
        // Ensure directory exists
        $compiledPath = $recordID . '/compiled';
        if (!$storage->exists($compiledPath)) {
            $storage->makeDirectory($compiledPath);
        }

        // Build and execute command
        $command = [
            // ... your command array here
        ];

        $process = new Process($command);
        $process->setTimeout(30);
        
        // Run the process and capture output
        $process->mustRun(function ($type, $buffer) {
            logger()->debug($type . ': ' . $buffer);
        });

        // Define PDF path
        $pdfPath = $compiledPath . '/main.pdf';
        
        // Verify file exists and is readable
        if (!$storage->exists($pdfPath)) {
            throw new RuntimeException('PDF file does not exist after compilation.');
        }

        // Get the full path for local files
        $fullPath = $storage->path($pdfPath);
        
        // Verify file is actually there and readable
        if (!file_exists($fullPath) || !is_readable($fullPath)) {
            throw new RuntimeException('PDF file exists but is not readable.');
        }

        // Get file size
        $size = $storage->size($pdfPath);
        if ($size === 0) {
            throw new RuntimeException('PDF file is empty.');
        }

        // Set proper headers for PDF download
        $headers = [
            'Content-Type' => 'application/pdf',
            'Content-Disposition' => 'attachment; filename="document.pdf"',
            'Content-Length' => $size,
        ];

        // Return the download response
        return response()->download(
            $fullPath,
            'document.pdf',
            $headers
        );

    } catch (ProcessFailedException $exception) {
        logger()->error('PDF compilation failed', [
            'error' => $exception->getMessage(),
            'output' => $exception->getProcess()->getOutput(),
            'errorOutput' => $exception->getProcess()->getErrorOutput()
        ]);
        throw new RuntimeException('PDF compilation failed: ' . $exception->getMessage());
    } catch (\Exception $e) {
        logger()->error('Download failed', [
            'error' => $e->getMessage()
        ]);
        throw new RuntimeException('Failed to download document: ' . $e->getMessage());
    }
}