fix(cli): resolve CLI-014..016 — re-triage update-command contract, doc-surface drift, table-column union

tests/ScadaLink.CLI.Tests/CommandTreeTests.cs

@@ -68,6 +68,22 @@ public class CommandTreeTests
             Assert.True(leaf.Action != null, $"Leaf command '{leaf.Name}' has no action."));
     }
 
+    [Fact]
+    public void TemplateCompositionDelete_IsKeyedByIdOnly()
+    {
+        // CLI-015: the in-repo README documented `template composition delete` with
+        // --template-id / --instance-name, but the implementation keys deletion by the
+        // composition's own integer ID via a single --id option. Pin the real surface.
+        var template = TemplateCommands.Build(Url, Format, Username, Password);
+        var composition = template.Subcommands.Single(c => c.Name == "composition");
+        var delete = composition.Subcommands.Single(c => c.Name == "delete");
+
+        var optionNames = delete.Options.Select(o => o.Name).ToList();
+        Assert.Contains("--id", optionNames);
+        Assert.DoesNotContain("--template-id", optionNames);
+        Assert.DoesNotContain("--instance-name", optionNames);
+    }
+
     [Theory]
     [InlineData(typeof(GetInstanceCommand))]
     [InlineData(typeof(ListSitesCommand))]