tests fixes and sprints work

src/Cli/StellaOps.Cli/Commands/BundleVerifyCommand.cs

@@ -45,7 +45,7 @@ public static class BundleVerifyCommand
         var bundleOption = new Option<string>("--bundle", "-b")
         {
             Description = "Path to bundle (tar.gz or directory)",
-            IsRequired = true
+            Required = true
         };
 
         var trustRootOption = new Option<string?>("--trust-root")
@@ -267,10 +267,9 @@ public static class BundleVerifyCommand
         using var reader = new StreamReader(gz);
 
         // Simple extraction (matches our simple tar format)
-        while (!reader.EndOfStream)
+        string? line;
+        while ((line = await reader.ReadLineAsync(ct)) != null)
         {
-            var line = await reader.ReadLineAsync(ct);
-            if (line == null) break;
 
             if (line.StartsWith("FILE:"))
             {
@@ -288,7 +287,7 @@ public static class BundleVerifyCommand
                     }
 
                     var buffer = new char[size];
-                    await reader.ReadBlockAsync(buffer, 0, size, ct);
+                    await reader.ReadBlockAsync(buffer, 0, size);
                     await File.WriteAllTextAsync(fullPath, new string(buffer), ct);
                 }
             }
@@ -472,9 +471,10 @@ public static class BundleVerifyCommand
 
         // Check that required payload types are present
         var present = manifest?.Bundle?.Artifacts?
-            .Where(a => !string.IsNullOrEmpty(a.MediaType))
             .Select(a => a.MediaType)
-            .ToHashSet() ?? [];
+            .Where(mediaType => !string.IsNullOrWhiteSpace(mediaType))
+            .Select(mediaType => mediaType!)
+            .ToHashSet(StringComparer.OrdinalIgnoreCase) ?? [];
 
         var missing = expected.Where(e => !present.Any(p =>
             p.Contains(e.Split(';')[0], StringComparison.OrdinalIgnoreCase))).ToList();