test(refactor): [ENG-COVERAGE-01] index public contracts and exact candidate evidence

refactor/scripts/contract-reporter.mjs

@@ -0,0 +1,8 @@
+export default async function* contractReporter(events) {
+  for await (const event of events) {
+    if (['test:pass', 'test:fail', 'test:summary'].includes(event.type)) {
+      const { name, file, nesting, skip, todo, counts, success, details } = event.data
+      yield `${JSON.stringify({ type: event.type, name, file, nesting, skip, todo, counts, success, kind: details?.type, error: details?.error?.message })}\n`
+    }
+  }
+}