The release and knowledge tools follow the house rules too

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01W4YtEJrgxG12Pc39Fai8Bd

tools/release.cs

@@ -365,7 +365,7 @@ string Reset(string folder)
   return folder;
 }
 
-string Size(string file) => $"{new FileInfo(file).Length / 1024.0 / 1024.0:0.0} MB";
+string Size(string file) => $"{new FileInfo(file).Length.ToMegabytes()} MB";
 
 string Option(string key)
 {
@@ -404,3 +404,8 @@ static string FindRoot()
   while (dir is not null && !File.Exists(Path.Combine(dir.FullName, "MeWeb.slnx"))) dir = dir.Parent;
   return dir?.FullName ?? throw new InvalidOperationException("run from inside the repository (MeWeb.slnx not found)");
 }
+
+static class NumbersExtensions
+{
+  public static string ToMegabytes(this long bytes) => (bytes / 1048576.0).ToString("0.0", System.Globalization.CultureInfo.InvariantCulture);
+}