feat: Execute production readiness plan

src/components/moderation/QueueItem.tsx

@@ -20,6 +20,7 @@ import { ValidationSummary } from './ValidationSummary';
 import type { ValidationResult } from '@/lib/entityValidationSchemas';
 import type { LockStatus } from '@/lib/moderation/lockHelpers';
 import type { ModerationItem } from '@/types/moderation';
+import { handleError } from '@/lib/errorHandler';
 
 interface QueueItemProps {
   item: ModerationItem;
@@ -105,8 +106,11 @@ export const QueueItem = memo(({
     try {
       await onClaimSubmission(item.id);
       // On success, component will re-render with new lock state
-    } catch (error) {
-      console.error('Failed to claim submission:', error);
+    } catch (error: unknown) {
+      handleError(error, {
+        action: 'Claim Submission',
+        metadata: { submissionId: item.id }
+      });
     } finally {
       // Always reset claiming state, even on success
       setIsClaiming(false);