Implement Phase 6: Lock Management

src/lib/moderation/index.ts

@@ -64,3 +64,14 @@ export {
   extractChangedFields,
   buildModerationItem,
 } from './realtime';
+
+// Lock management utilities
+export {
+  canClaimSubmission,
+  isActiveLock,
+  getLockStatus,
+  formatLockExpiry,
+  getLockUrgency,
+} from './lockHelpers';
+
+export type { LockStatus, LockUrgency } from './lockHelpers';