feat: add datasource and definition graph contracts

webui/tsconfig.module-tests.json

@@ -18,9 +18,11 @@
     "tests/module-capabilities.test.ts",
     "tests/privacy-policy.test.ts",
     "tests/help-context.test.ts",
+    "tests/definition-graph.test.ts",
     "src/platform/moduleLogic.ts",
     "src/utils/helpContext.ts",
     "src/features/privacy/policyLogic.ts",
+    "src/definitionGraph.ts",
     "src/types.ts"
   ]
 }