// Inert process fixture: no browser, HTML execution, network, or production data.
var root = Environment.GetEnvironmentVariable("PDF_STUB_ROOT")!;
var output = args.Single(arg => arg.StartsWith("--print-to-pdf=", StringComparison.Ordinal))[15..];
var input = new Uri(args[^1]).LocalPath;
var mode = await File.ReadAllTextAsync(File.Exists(Path.Combine(root, "mode")) ? Path.Combine(root, "mode") : input);
await File.WriteAllTextAsync(Path.Combine(root, $"{Environment.ProcessId}.started"), input);
if (!mode.Contains("no-output")) await File.WriteAllTextAsync(output, "%PDF-partial");
if (mode.Contains("hold"))
{
    // Bound the fixture itself if its parent test runner is forcibly terminated.
    var deadline = DateTime.UtcNow.AddSeconds(30);
    while (!File.Exists(Path.Combine(root, "release")))
    {
        if (DateTime.UtcNow >= deadline) return 3;
        await Task.Delay(20);
    }
}
if (mode.Contains("logs"))
{
    await Console.Out.WriteAsync(new string('o', 100_000));
    await Console.Error.WriteAsync(new string('e', 100_000));
}
if (mode.Contains("fail")) return 2;
if (!mode.Contains("no-output")) await File.WriteAllTextAsync(output, "%PDF-synthetic-success");
return 0;