feat: Add error boundaries to submission queries

src/components/error/SubmissionErrorBoundary.tsx

@@ -0,0 +1,43 @@
+import React, { ReactNode } from 'react';
+import { AlertCircle } from 'lucide-react';
+import { Alert, AlertDescription } from '@/components/ui/alert';
+import { ModerationErrorBoundary } from './ModerationErrorBoundary';
+
+interface SubmissionErrorBoundaryProps {
+  children: ReactNode;
+  submissionId?: string;
+}
+
+/**
+ * Lightweight Error Boundary for Submission-Related Components
+ * 
+ * Wraps ModerationErrorBoundary with a submission-specific fallback UI.
+ * Use this for any component that displays submission data.
+ * 
+ * Usage:
+ * ```tsx
+ * <SubmissionErrorBoundary submissionId={id}>
+ *   <SubmissionDetails />
+ * </SubmissionErrorBoundary>
+ * ```
+ */
+export function SubmissionErrorBoundary({ 
+  children, 
+  submissionId 
+}: SubmissionErrorBoundaryProps) {
+  return (
+    <ModerationErrorBoundary 
+      submissionId={submissionId}
+      fallback={
+        <Alert variant="destructive">
+          <AlertCircle className="h-4 w-4" />
+          <AlertDescription>
+            Failed to load submission data. Please try refreshing the page.
+          </AlertDescription>
+        </Alert>
+      }
+    >
+      {children}
+    </ModerationErrorBoundary>
+  );
+}

src/components/error/index.ts

@@ -10,3 +10,4 @@ export { AdminErrorBoundary } from './AdminErrorBoundary';
 export { EntityErrorBoundary } from './EntityErrorBoundary';
 export { RouteErrorBoundary } from './RouteErrorBoundary';
 export { ModerationErrorBoundary } from './ModerationErrorBoundary';
+export { SubmissionErrorBoundary } from './SubmissionErrorBoundary';

src/components/moderation/EntityEditPreview.tsx

@@ -4,7 +4,9 @@ import { Card, CardContent } from '@/components/ui/card';
 import { supabase } from '@/lib/supabaseClient';
 import { Image as ImageIcon } from 'lucide-react';
 import { PhotoModal } from './PhotoModal';
-import { handleError } from '@/lib/errorHandler';
+import { handleError, getErrorMessage } from '@/lib/errorHandler';
+import { Alert, AlertDescription } from '@/components/ui/alert';
+import { AlertCircle } from 'lucide-react';
 
 interface EntityEditPreviewProps {
   submissionId: string;
@@ -68,6 +70,7 @@ interface SubmissionItemData {
 
 export const EntityEditPreview = ({ submissionId, entityType, entityName }: EntityEditPreviewProps) => {
   const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
   const [itemData, setItemData] = useState<Record<string, unknown> | null>(null);
   const [originalData, setOriginalData] = useState<Record<string, unknown> | null>(null);
   const [changedFields, setChangedFields] = useState<string[]>([]);
@@ -196,10 +199,12 @@ export const EntityEditPreview = ({ submissionId, entityType, entityName }: Enti
         setChangedFields(changed);
       }
     } catch (error: unknown) {
+      const errorMsg = getErrorMessage(error);
       handleError(error, {
         action: 'Load Submission Preview',
         metadata: { submissionId, entityType }
       });
+      setError(errorMsg);
     } finally {
       setLoading(false);
     }
@@ -213,6 +218,17 @@ export const EntityEditPreview = ({ submissionId, entityType, entityName }: Enti
     );
   }
 
+  if (error) {
+    return (
+      <Alert variant="destructive">
+        <AlertCircle className="h-4 w-4" />
+        <AlertDescription>
+          {error}
+        </AlertDescription>
+      </Alert>
+    );
+  }
+
   if (!itemData) {
     return (
       <div className="text-sm text-muted-foreground">

src/components/moderation/SubmissionReviewManager.tsx

@@ -40,6 +40,7 @@ import { ConflictResolutionModal } from './ConflictResolutionModal';
 import { EditHistoryAccordion } from './EditHistoryAccordion';
 import { validateMultipleItems, ValidationResult } from '@/lib/entityValidationSchemas';
 import { logger } from '@/lib/logger';
+import { ModerationErrorBoundary } from '@/components/error';
 
 interface SubmissionReviewManagerProps {
   submissionId: string;
@@ -588,27 +589,29 @@ export function SubmissionReviewManager({
   return (
     <>
       <Container open={open} onOpenChange={onOpenChange}>
-        {isMobile ? (
-          <SheetContent side="bottom" className="h-[90vh] overflow-y-auto">
-            <SheetHeader>
-              <SheetTitle>Review Submission</SheetTitle>
-              <SheetDescription>
-                {pendingCount} pending item(s) • {selectedCount} selected
-              </SheetDescription>
-            </SheetHeader>
-            <ReviewContent />
-          </SheetContent>
-        ) : (
-          <DialogContent className="max-w-5xl max-h-[90vh] overflow-y-auto">
-            <DialogHeader>
-              <DialogTitle>Review Submission</DialogTitle>
-              <DialogDescription>
-                {pendingCount} pending item(s) • {selectedCount} selected
-              </DialogDescription>
-            </DialogHeader>
-            <ReviewContent />
-          </DialogContent>
-        )}
+        <ModerationErrorBoundary submissionId={submissionId}>
+          {isMobile ? (
+            <SheetContent side="bottom" className="h-[90vh] overflow-y-auto">
+              <SheetHeader>
+                <SheetTitle>Review Submission</SheetTitle>
+                <SheetDescription>
+                  {pendingCount} pending item(s) • {selectedCount} selected
+                </SheetDescription>
+              </SheetHeader>
+              <ReviewContent />
+            </SheetContent>
+          ) : (
+            <DialogContent className="max-w-5xl max-h-[90vh] overflow-y-auto">
+              <DialogHeader>
+                <DialogTitle>Review Submission</DialogTitle>
+                <DialogDescription>
+                  {pendingCount} pending item(s) • {selectedCount} selected
+                </DialogDescription>
+              </DialogHeader>
+              <ReviewContent />
+            </DialogContent>
+          )}
+        </ModerationErrorBoundary>
       </Container>
 
       <ConflictResolutionDialog

src/hooks/usePhotoSubmissionItems.ts

@@ -5,7 +5,7 @@
 
 import { useState, useEffect } from 'react';
 import { supabase } from '@/lib/supabaseClient';
-import { getErrorMessage } from '@/lib/errorHandler';
+import { handleNonCriticalError, getErrorMessage } from '@/lib/errorHandler';
 import type { PhotoSubmissionItem } from '@/types/photo-submissions';
 
 interface UsePhotoSubmissionItemsResult {
@@ -64,6 +64,10 @@ export function usePhotoSubmissionItems(
       setPhotos(data || []);
     } catch (error: unknown) {
       const errorMsg = getErrorMessage(error);
+      handleNonCriticalError(error, {
+        action: 'Fetch photo submission items',
+        metadata: { submissionId }
+      });
       setError(errorMsg);
       setPhotos([]);
     } finally {