feat(ql3): establish 3.0 incubation baseline

back/runtime/domain/localExecutionArtifact.ts

@@ -0,0 +1,28 @@
+import { createHash } from 'crypto';
+import { MAX_LOG_ARTIFACT_ID_LENGTH } from './runStateMachine';
+import type { RunDispatchCandidate } from './runDispatchCandidate';
+import { assertRunDispatchCandidate } from './runDispatchCandidate';
+
+const LOCAL_ARTIFACT_ID_PATTERN = /^local-[0-9a-f]{30}$/;
+
+export function localExecutionArtifactId(
+  candidate: Readonly<RunDispatchCandidate>,
+): string {
+  assertRunDispatchCandidate(candidate);
+  return `local-${createHash('sha256')
+    .update(candidate.runId, 'utf8')
+    .update('\0', 'utf8')
+    .update(candidate.attemptId, 'utf8')
+    .digest('hex')
+    .slice(0, 30)}`;
+}
+
+export function assertLocalExecutionArtifactId(value: string): void {
+  if (
+    typeof value !== 'string' ||
+    value.length > MAX_LOG_ARTIFACT_ID_LENGTH ||
+    !LOCAL_ARTIFACT_ID_PATTERN.test(value)
+  ) {
+    throw new TypeError('Local execution artifact id is invalid');
+  }
+}