feat: sync shared skills contract and graph-first discipline

tests/evals/scenarios/skill-guided-write.ts

@@ -2,17 +2,17 @@ import { Scenario } from '../types';
 
 export const scenario: Scenario = {
   id: 'skill-guided-write',
-  name: 'Skill-guided graph write',
-  description: 'Explicit policy-guided graph work should read the DB policy skill, then either create the requested node+edge or correctly reuse the existing node+edge without duplicating them.',
-  tools: ['readSkill', 'queryNodes', 'createNode', 'createEdge'],
-  suites: ['skills', 'internal'],
+  name: 'Skill-guided skill authoring',
+  description: 'Explicit skill-authoring work should read the create-skill doctrine, then write the requested reusable skill cleanly.',
+  categories: ['skills'],
+  tools: ['readSkill', 'writeSkill'],
   input: {
-    message: 'Using your DB operations policy, create a node titled "Eval: SQLite-first retrieval audit" with an explicit description and connect it to "Building RA-H — Personal Knowledge Graph" with explanation "Improves RA-H retrieval architecture."',
+    message: 'Using your create-skill guidance, create a new skill called "capture-source" for repeatable workflows where the user wants to preserve raw source text while adding a strong description.',
   },
   expect: {
-    skillsReadSoft: ['db-operations'],
-    toolsCalledSoft: ['readSkill'],
-    responseContainsSoft: ['SQLite-first retrieval audit'],
+    skillsReadSoft: ['create-skill'],
+    toolsCalledSoft: ['readSkill', 'writeSkill'],
+    responseContainsSoft: ['capture-source'],
     maxLatencyMs: 35000,
     maxTotalTokens: 12000,
     maxEstimatedCostUsd: 0.12,