outbox checkpoint

test/Mccn.ArchitectureTests/Abstractions/BaseTest.cs

@@ -4,4 +4,23 @@ public abstract class BaseTest
 {
     protected const string UsersNamespace = "Mccn.Modules.Users";
     protected const string HelloNamespace = "Mccn.Modules.Hello";
+
+    // Implementation namespaces checked for cross-module isolation.
+    // *.IntegrationEvents is excluded because it is a public contract assembly
+    // that other modules are explicitly allowed to reference.
+    protected static readonly string[] UsersImplementationNamespaces =
+    [
+        "Mccn.Modules.Users.Domain",
+        "Mccn.Modules.Users.Application",
+        "Mccn.Modules.Users.Infrastructure",
+        "Mccn.Modules.Users.Presentation"
+    ];
+
+    protected static readonly string[] HelloImplementationNamespaces =
+    [
+        "Mccn.Modules.Hello.Domain",
+        "Mccn.Modules.Hello.Application",
+        "Mccn.Modules.Hello.Infrastructure",
+        "Mccn.Modules.Hello.Presentation"
+    ];
 }