Add self-scoping assessment comparison

workplans/RREG-WP-0013-self-scoping-baseline-evaluation.md

@@ -168,7 +168,7 @@ the exporter and CLI path.
 
 ```task
 id: RREG-WP-0013-T05
-status: todo
+status: done
 priority: high
 state_hub_task_id: "2b71069b-6150-45f4-84a2-59f5ec1e04c0"
 ```
@@ -196,6 +196,14 @@ Acceptance criteria:
 - It can compare deterministic-only and agent-reviewed runs without losing
   provenance.
 
+Implementation note 2026-05-15: added
+`src/repo_registry/self_scoping/comparison.py` and the
+`repo-scoping compare-assessment` CLI command. The first comparison report
+checks assessment artifacts against the repo-scoping golden profile, reports
+missing expected capabilities, forbidden native capability matches, known
+regression patterns, and misplaced API/CLI features under provider-routing
+capabilities. Reports can be emitted as JSON or Markdown.
+
 ## T06: Add Side-By-Side Review UI
 
 ```task