feat: port holistic node refinement contract

tests/evals/scenarios/archive/get-dimension.ts

@@ -2,11 +2,11 @@ import { Scenario } from '../types';
 
 export const scenario: Scenario = {
   id: 'get-dimension',
-  name: 'Get single dimension',
-  description: 'Fetch detail for a known dimension.',
+  name: 'Get single dimension (archived)',
+  description: 'Historical pre-migration scenario retained only as an archived reference for the removed dimensions contract.',
   tools: ['getDimension'],
   input: {
-    message: 'Get details for the dimension "ai".',
+    message: 'Historical reference only: get details for the dimension "ai".',
   },
   expect: {
     toolsCalledSoft: ['getDimension'],