Complete system-layer extraction plan

SCOPE.md

@@ -107,7 +107,7 @@ belong in `infospace-bench`.
 
 ---
 
-## Related / Overlapping Repositories
+## Related / Overlapping
 
 - `markitect-main` — legacy mixed platform; source for candidate behavior and
   tests, not the target architecture.
@@ -144,4 +144,3 @@ title: Agent-operable knowledge workflows
 description: Provides planned APIs and workflow surfaces that let agents access context, trigger transformations, and operate over durable knowledge state.
 keywords: [agent, workflow, context, automation, knowledge]
 ```
-