feat(core-audit): NoopAuditLog impl

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/core-audit/src/noop-audit-log.ts

@@ -0,0 +1,11 @@
+import type { AuditEntry } from "@repo/core-shared/audit";
+import type { IAuditLog } from "./audit-log.interface";
+
+export class NoopAuditLog implements IAuditLog {
+  async record(_entry: AuditEntry): Promise<void> {
+    // intentional no-op
+  }
+  async eraseSubject(_actorId: string, _mode: "pseudonymize" | "delete"): Promise<void> {
+    // intentional no-op
+  }
+}