diff --git a/src/components/admin/DesignerForm.tsx b/src/components/admin/DesignerForm.tsx
index bc72b0e9..d3c1dab7 100644
--- a/src/components/admin/DesignerForm.tsx
+++ b/src/components/admin/DesignerForm.tsx
@@ -10,6 +10,7 @@ import { Textarea } from '@/components/ui/textarea';
 import { Label } from '@/components/ui/label';
 import { RadioGroup, RadioGroupItem } from '@/components/ui/radio-group';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
+import { Badge } from '@/components/ui/badge';
 import { SlugField } from '@/components/ui/slug-field';
 import { Ruler, Save, X } from 'lucide-react';
 import { useUserRole } from '@/hooks/useUserRole';
@@ -35,6 +36,8 @@ interface DesignerFormInput {
   founded_date_precision?: 'day' | 'month' | 'year';
   headquarters_location?: string;
   website_url?: string;
+  source_url?: string;
+  submission_notes?: string;
   images?: {
     uploaded: UploadedImage[];
     banner_assignment?: number | null;
@@ -77,6 +80,8 @@ export function DesignerForm({ onSubmit, onCancel, initialData }: DesignerFormPr
       website_url: initialData?.website_url || '',
       founded_year: initialData?.founded_year ? String(initialData.founded_year) : '',
       headquarters_location: initialData?.headquarters_location || '',
+      source_url: initialData?.source_url || '',
+      submission_notes: initialData?.submission_notes || '',
       images: initialData?.images || { uploaded: [] }
     }
   });
@@ -221,6 +226,61 @@ export function DesignerForm({ onSubmit, onCancel, initialData }: DesignerFormPr
             )}
           </div>
 
+          {/* Submission Context - For Reviewers */}
+          <div className="space-y-4 border-t pt-6">
+            <div className="flex items-center gap-2 mb-4">
+              <Badge variant="secondary" className="text-xs">
+                For Moderator Review
+              </Badge>
+              <p className="text-xs text-muted-foreground">
+                Help reviewers verify your submission
+              </p>
+            </div>
+            
+            <div className="space-y-2">
+              <Label htmlFor="source_url" className="flex items-center gap-2">
+                Source URL
+                <span className="text-xs text-muted-foreground font-normal">
+                  (Optional)
+                </span>
+              </Label>
+              <Input
+                id="source_url"
+                type="url"
+                {...register('source_url')}
+                placeholder="https://example.com/article"
+              />
+              <p className="text-xs text-muted-foreground">
+                Where did you find this information? (e.g., official website, news article, press release)
+              </p>
+              {errors.source_url && (
+                <p className="text-sm text-destructive">{errors.source_url.message}</p>
+              )}
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="submission_notes" className="flex items-center gap-2">
+                Notes for Reviewers
+                <span className="text-xs text-muted-foreground font-normal">
+                  (Optional)
+                </span>
+              </Label>
+              <Textarea
+                id="submission_notes"
+                {...register('submission_notes')}
+                placeholder="Add any context to help moderators verify this information (e.g., 'Confirmed via company website', 'Founded date approximate')"
+                rows={3}
+                maxLength={1000}
+              />
+              <p className="text-xs text-muted-foreground">
+                {watch('submission_notes')?.length || 0}/1000 characters
+              </p>
+              {errors.submission_notes && (
+                <p className="text-sm text-destructive">{errors.submission_notes.message}</p>
+              )}
+            </div>
+          </div>
+
           {/* Images */}
           <EntityMultiImageUploader
             mode={initialData ? 'edit' : 'create'}
diff --git a/src/components/admin/ManufacturerForm.tsx b/src/components/admin/ManufacturerForm.tsx
index 37dd07b7..7075feba 100644
--- a/src/components/admin/ManufacturerForm.tsx
+++ b/src/components/admin/ManufacturerForm.tsx
@@ -10,6 +10,7 @@ import { Textarea } from '@/components/ui/textarea';
 import { Label } from '@/components/ui/label';
 import { RadioGroup, RadioGroupItem } from '@/components/ui/radio-group';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
+import { Badge } from '@/components/ui/badge';
 import { SlugField } from '@/components/ui/slug-field';
 import { Building2, Save, X } from 'lucide-react';
 import { useUserRole } from '@/hooks/useUserRole';
@@ -36,6 +37,8 @@ interface ManufacturerFormInput {
   founded_date_precision?: 'day' | 'month' | 'year';
   headquarters_location?: string;
   website_url?: string;
+  source_url?: string;
+  submission_notes?: string;
   images?: {
     uploaded: UploadedImage[];
     banner_assignment?: number | null;
@@ -80,6 +83,8 @@ export function ManufacturerForm({ onSubmit, onCancel, initialData }: Manufactur
       founded_date: initialData?.founded_date || (initialData?.founded_year ? `${initialData.founded_year}-01-01` : ''),
       founded_date_precision: initialData?.founded_date_precision || (initialData?.founded_year ? ('year' as const) : ('day' as const)),
       headquarters_location: initialData?.headquarters_location || '',
+      source_url: initialData?.source_url || '',
+      submission_notes: initialData?.submission_notes || '',
       images: initialData?.images || { uploaded: [] }
     }
   });
@@ -222,6 +227,61 @@ export function ManufacturerForm({ onSubmit, onCancel, initialData }: Manufactur
             )}
           </div>
 
+          {/* Submission Context - For Reviewers */}
+          <div className="space-y-4 border-t pt-6">
+            <div className="flex items-center gap-2 mb-4">
+              <Badge variant="secondary" className="text-xs">
+                For Moderator Review
+              </Badge>
+              <p className="text-xs text-muted-foreground">
+                Help reviewers verify your submission
+              </p>
+            </div>
+            
+            <div className="space-y-2">
+              <Label htmlFor="source_url" className="flex items-center gap-2">
+                Source URL
+                <span className="text-xs text-muted-foreground font-normal">
+                  (Optional)
+                </span>
+              </Label>
+              <Input
+                id="source_url"
+                type="url"
+                {...register('source_url')}
+                placeholder="https://example.com/article"
+              />
+              <p className="text-xs text-muted-foreground">
+                Where did you find this information? (e.g., official website, news article, press release)
+              </p>
+              {errors.source_url && (
+                <p className="text-sm text-destructive">{errors.source_url.message}</p>
+              )}
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="submission_notes" className="flex items-center gap-2">
+                Notes for Reviewers
+                <span className="text-xs text-muted-foreground font-normal">
+                  (Optional)
+                </span>
+              </Label>
+              <Textarea
+                id="submission_notes"
+                {...register('submission_notes')}
+                placeholder="Add any context to help moderators verify this information (e.g., 'Confirmed via company website', 'Founded date approximate')"
+                rows={3}
+                maxLength={1000}
+              />
+              <p className="text-xs text-muted-foreground">
+                {watch('submission_notes')?.length || 0}/1000 characters
+              </p>
+              {errors.submission_notes && (
+                <p className="text-sm text-destructive">{errors.submission_notes.message}</p>
+              )}
+            </div>
+          </div>
+
           {/* Images */}
           <EntityMultiImageUploader
             mode={initialData ? 'edit' : 'create'}
diff --git a/src/components/admin/OperatorForm.tsx b/src/components/admin/OperatorForm.tsx
index 1a0dd24f..4ed62199 100644
--- a/src/components/admin/OperatorForm.tsx
+++ b/src/components/admin/OperatorForm.tsx
@@ -10,6 +10,7 @@ import { Textarea } from '@/components/ui/textarea';
 import { Label } from '@/components/ui/label';
 import { RadioGroup, RadioGroupItem } from '@/components/ui/radio-group';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
+import { Badge } from '@/components/ui/badge';
 import { SlugField } from '@/components/ui/slug-field';
 import { FerrisWheel, Save, X } from 'lucide-react';
 import { useUserRole } from '@/hooks/useUserRole';
@@ -35,6 +36,8 @@ interface OperatorFormInput {
   founded_date_precision?: 'day' | 'month' | 'year';
   headquarters_location?: string;
   website_url?: string;
+  source_url?: string;
+  submission_notes?: string;
   images?: {
     uploaded: UploadedImage[];
     banner_assignment?: number | null;
@@ -77,6 +80,8 @@ export function OperatorForm({ onSubmit, onCancel, initialData }: OperatorFormPr
       website_url: initialData?.website_url || '',
       founded_year: initialData?.founded_year ? String(initialData.founded_year) : '',
       headquarters_location: initialData?.headquarters_location || '',
+      source_url: initialData?.source_url || '',
+      submission_notes: initialData?.submission_notes || '',
       images: initialData?.images || { uploaded: [] }
     }
   });
@@ -221,6 +226,61 @@ export function OperatorForm({ onSubmit, onCancel, initialData }: OperatorFormPr
             )}
           </div>
 
+          {/* Submission Context - For Reviewers */}
+          <div className="space-y-4 border-t pt-6">
+            <div className="flex items-center gap-2 mb-4">
+              <Badge variant="secondary" className="text-xs">
+                For Moderator Review
+              </Badge>
+              <p className="text-xs text-muted-foreground">
+                Help reviewers verify your submission
+              </p>
+            </div>
+            
+            <div className="space-y-2">
+              <Label htmlFor="source_url" className="flex items-center gap-2">
+                Source URL
+                <span className="text-xs text-muted-foreground font-normal">
+                  (Optional)
+                </span>
+              </Label>
+              <Input
+                id="source_url"
+                type="url"
+                {...register('source_url')}
+                placeholder="https://example.com/article"
+              />
+              <p className="text-xs text-muted-foreground">
+                Where did you find this information? (e.g., official website, news article, press release)
+              </p>
+              {errors.source_url && (
+                <p className="text-sm text-destructive">{errors.source_url.message}</p>
+              )}
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="submission_notes" className="flex items-center gap-2">
+                Notes for Reviewers
+                <span className="text-xs text-muted-foreground font-normal">
+                  (Optional)
+                </span>
+              </Label>
+              <Textarea
+                id="submission_notes"
+                {...register('submission_notes')}
+                placeholder="Add any context to help moderators verify this information (e.g., 'Confirmed via company website', 'Founded date approximate')"
+                rows={3}
+                maxLength={1000}
+              />
+              <p className="text-xs text-muted-foreground">
+                {watch('submission_notes')?.length || 0}/1000 characters
+              </p>
+              {errors.submission_notes && (
+                <p className="text-sm text-destructive">{errors.submission_notes.message}</p>
+              )}
+            </div>
+          </div>
+
           {/* Images */}
           <EntityMultiImageUploader
             mode={initialData ? 'edit' : 'create'}
diff --git a/src/components/admin/ParkForm.tsx b/src/components/admin/ParkForm.tsx
index 5e51420b..d95a86f3 100644
--- a/src/components/admin/ParkForm.tsx
+++ b/src/components/admin/ParkForm.tsx
@@ -58,6 +58,8 @@ const parkSchema = z.object({
   email: z.string().email().optional().or(z.literal('')),
   operator_id: z.string().uuid().optional().or(z.literal('')).transform(val => val || undefined),
   property_owner_id: z.string().uuid().optional().or(z.literal('')).transform(val => val || undefined),
+  source_url: z.string().url().optional().or(z.literal('')),
+  submission_notes: z.string().max(1000).optional().or(z.literal('')),
   images: z.object({
     uploaded: z.array(z.object({
       url: z.string(),
@@ -181,6 +183,8 @@ export function ParkForm({ onSubmit, onCancel, initialData, isEditing = false }:
       email: initialData?.email || '',
       operator_id: initialData?.operator_id || undefined,
       property_owner_id: initialData?.property_owner_id || undefined,
+      source_url: initialData?.source_url || '',
+      submission_notes: initialData?.submission_notes || '',
       images: { uploaded: [] }
     }
   });
@@ -538,6 +542,61 @@ export function ParkForm({ onSubmit, onCancel, initialData, isEditing = false }:
             </div>
           </div>
 
+          {/* Submission Context - For Reviewers */}
+          <div className="space-y-4 border-t pt-6">
+            <div className="flex items-center gap-2 mb-4">
+              <Badge variant="secondary" className="text-xs">
+                For Moderator Review
+              </Badge>
+              <p className="text-xs text-muted-foreground">
+                Help reviewers verify your submission
+              </p>
+            </div>
+            
+            <div className="space-y-2">
+              <Label htmlFor="source_url" className="flex items-center gap-2">
+                Source URL
+                <span className="text-xs text-muted-foreground font-normal">
+                  (Optional)
+                </span>
+              </Label>
+              <Input
+                id="source_url"
+                type="url"
+                {...register('source_url')}
+                placeholder="https://example.com/article"
+              />
+              <p className="text-xs text-muted-foreground">
+                Where did you find this information? (e.g., official website, news article, press release)
+              </p>
+              {errors.source_url && (
+                <p className="text-sm text-destructive">{errors.source_url.message}</p>
+              )}
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="submission_notes" className="flex items-center gap-2">
+                Notes for Reviewers
+                <span className="text-xs text-muted-foreground font-normal">
+                  (Optional)
+                </span>
+              </Label>
+              <Textarea
+                id="submission_notes"
+                {...register('submission_notes')}
+                placeholder="Add any context to help moderators verify this information (e.g., 'Confirmed via phone call with park', 'Soft opening date not yet announced')"
+                rows={3}
+                maxLength={1000}
+              />
+              <p className="text-xs text-muted-foreground">
+                {watch('submission_notes')?.length || 0}/1000 characters
+              </p>
+              {errors.submission_notes && (
+                <p className="text-sm text-destructive">{errors.submission_notes.message}</p>
+              )}
+            </div>
+          </div>
+
           {/* Images */}
           <EntityMultiImageUploader
             mode={isEditing ? 'edit' : 'create'}
diff --git a/src/components/admin/PropertyOwnerForm.tsx b/src/components/admin/PropertyOwnerForm.tsx
index b2edebca..35ad4ecd 100644
--- a/src/components/admin/PropertyOwnerForm.tsx
+++ b/src/components/admin/PropertyOwnerForm.tsx
@@ -10,6 +10,7 @@ import { Textarea } from '@/components/ui/textarea';
 import { Label } from '@/components/ui/label';
 import { RadioGroup, RadioGroupItem } from '@/components/ui/radio-group';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
+import { Badge } from '@/components/ui/badge';
 import { SlugField } from '@/components/ui/slug-field';
 import { Building2, Save, X } from 'lucide-react';
 import { useUserRole } from '@/hooks/useUserRole';
@@ -35,6 +36,8 @@ interface PropertyOwnerFormInput {
   founded_date_precision?: 'day' | 'month' | 'year';
   headquarters_location?: string;
   website_url?: string;
+  source_url?: string;
+  submission_notes?: string;
   images?: {
     uploaded: UploadedImage[];
     banner_assignment?: number | null;
@@ -77,6 +80,8 @@ export function PropertyOwnerForm({ onSubmit, onCancel, initialData }: PropertyO
       website_url: initialData?.website_url || '',
       founded_year: initialData?.founded_year ? String(initialData.founded_year) : '',
       headquarters_location: initialData?.headquarters_location || '',
+      source_url: initialData?.source_url || '',
+      submission_notes: initialData?.submission_notes || '',
       images: initialData?.images || { uploaded: [] }
     }
   });
@@ -221,6 +226,61 @@ export function PropertyOwnerForm({ onSubmit, onCancel, initialData }: PropertyO
             )}
           </div>
 
+          {/* Submission Context - For Reviewers */}
+          <div className="space-y-4 border-t pt-6">
+            <div className="flex items-center gap-2 mb-4">
+              <Badge variant="secondary" className="text-xs">
+                For Moderator Review
+              </Badge>
+              <p className="text-xs text-muted-foreground">
+                Help reviewers verify your submission
+              </p>
+            </div>
+            
+            <div className="space-y-2">
+              <Label htmlFor="source_url" className="flex items-center gap-2">
+                Source URL
+                <span className="text-xs text-muted-foreground font-normal">
+                  (Optional)
+                </span>
+              </Label>
+              <Input
+                id="source_url"
+                type="url"
+                {...register('source_url')}
+                placeholder="https://example.com/article"
+              />
+              <p className="text-xs text-muted-foreground">
+                Where did you find this information? (e.g., official website, news article, press release)
+              </p>
+              {errors.source_url && (
+                <p className="text-sm text-destructive">{errors.source_url.message}</p>
+              )}
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="submission_notes" className="flex items-center gap-2">
+                Notes for Reviewers
+                <span className="text-xs text-muted-foreground font-normal">
+                  (Optional)
+                </span>
+              </Label>
+              <Textarea
+                id="submission_notes"
+                {...register('submission_notes')}
+                placeholder="Add any context to help moderators verify this information (e.g., 'Confirmed via company website', 'Founded date approximate')"
+                rows={3}
+                maxLength={1000}
+              />
+              <p className="text-xs text-muted-foreground">
+                {watch('submission_notes')?.length || 0}/1000 characters
+              </p>
+              {errors.submission_notes && (
+                <p className="text-sm text-destructive">{errors.submission_notes.message}</p>
+              )}
+            </div>
+          </div>
+
           {/* Images */}
           <EntityMultiImageUploader
             mode={initialData ? 'edit' : 'create'}
diff --git a/src/components/admin/RideForm.tsx b/src/components/admin/RideForm.tsx
index 210d04ba..98350161 100644
--- a/src/components/admin/RideForm.tsx
+++ b/src/components/admin/RideForm.tsx
@@ -213,6 +213,8 @@ export function RideForm({ onSubmit, onCancel, initialData, isEditing = false }:
       max_g_force: initialData?.max_g_force || undefined,
       manufacturer_id: initialData?.manufacturer_id || undefined,
       ride_model_id: initialData?.ride_model_id || undefined,
+      source_url: initialData?.source_url || '',
+      submission_notes: initialData?.submission_notes || '',
       images: { uploaded: [] }
     }
   });
@@ -792,6 +794,61 @@ export function RideForm({ onSubmit, onCancel, initialData, isEditing = false }:
             )}
           </div>
 
+          {/* Submission Context - For Reviewers */}
+          <div className="space-y-4 border-t pt-6">
+            <div className="flex items-center gap-2 mb-4">
+              <Badge variant="secondary" className="text-xs">
+                For Moderator Review
+              </Badge>
+              <p className="text-xs text-muted-foreground">
+                Help reviewers verify your submission
+              </p>
+            </div>
+            
+            <div className="space-y-2">
+              <Label htmlFor="source_url" className="flex items-center gap-2">
+                Source URL
+                <span className="text-xs text-muted-foreground font-normal">
+                  (Optional)
+                </span>
+              </Label>
+              <Input
+                id="source_url"
+                type="url"
+                {...register('source_url')}
+                placeholder="https://example.com/article"
+              />
+              <p className="text-xs text-muted-foreground">
+                Where did you find this information? (e.g., official website, news article, press release)
+              </p>
+              {errors.source_url && (
+                <p className="text-sm text-destructive">{errors.source_url.message}</p>
+              )}
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="submission_notes" className="flex items-center gap-2">
+                Notes for Reviewers
+                <span className="text-xs text-muted-foreground font-normal">
+                  (Optional)
+                </span>
+              </Label>
+              <Textarea
+                id="submission_notes"
+                {...register('submission_notes')}
+                placeholder="Add any context to help moderators verify this information (e.g., 'Confirmed via phone call with park', 'Soft opening date not yet announced')"
+                rows={3}
+                maxLength={1000}
+              />
+              <p className="text-xs text-muted-foreground">
+                {watch('submission_notes')?.length || 0}/1000 characters
+              </p>
+              {errors.submission_notes && (
+                <p className="text-sm text-destructive">{errors.submission_notes.message}</p>
+              )}
+            </div>
+          </div>
+
           {/* Images */}
           <EntityMultiImageUploader
             mode={isEditing ? 'edit' : 'create'}
diff --git a/src/components/admin/RideModelForm.tsx b/src/components/admin/RideModelForm.tsx
index c17bbf44..bf43c92f 100644
--- a/src/components/admin/RideModelForm.tsx
+++ b/src/components/admin/RideModelForm.tsx
@@ -25,6 +25,8 @@ const rideModelSchema = z.object({
   category: z.string().min(1, 'Category is required'),
   ride_type: z.string().min(1, 'Ride type is required'),
   description: z.string().optional(),
+  source_url: z.string().url().optional().or(z.literal('')),
+  submission_notes: z.string().max(1000).optional().or(z.literal('')),
   images: z.object({
     uploaded: z.array(z.object({
       url: z.string(),
@@ -92,6 +94,8 @@ export function RideModelForm({
       category: initialData?.category || '',
       ride_type: initialData?.ride_type || '',
       description: initialData?.description || '',
+      source_url: initialData?.source_url || '',
+      submission_notes: initialData?.submission_notes || '',
       images: initialData?.images || { uploaded: [] }
     }
   });
@@ -214,6 +218,61 @@ export function RideModelForm({
             </p>
           </div>
 
+          {/* Submission Context - For Reviewers */}
+          <div className="space-y-4 border-t pt-6">
+            <div className="flex items-center gap-2 mb-4">
+              <Badge variant="secondary" className="text-xs">
+                For Moderator Review
+              </Badge>
+              <p className="text-xs text-muted-foreground">
+                Help reviewers verify your submission
+              </p>
+            </div>
+            
+            <div className="space-y-2">
+              <Label htmlFor="source_url" className="flex items-center gap-2">
+                Source URL
+                <span className="text-xs text-muted-foreground font-normal">
+                  (Optional)
+                </span>
+              </Label>
+              <Input
+                id="source_url"
+                type="url"
+                {...register('source_url')}
+                placeholder="https://example.com/article"
+              />
+              <p className="text-xs text-muted-foreground">
+                Where did you find this information? (e.g., official website, news article, press release)
+              </p>
+              {errors.source_url && (
+                <p className="text-sm text-destructive">{errors.source_url.message}</p>
+              )}
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="submission_notes" className="flex items-center gap-2">
+                Notes for Reviewers
+                <span className="text-xs text-muted-foreground font-normal">
+                  (Optional)
+                </span>
+              </Label>
+              <Textarea
+                id="submission_notes"
+                {...register('submission_notes')}
+                placeholder="Add any context to help moderators verify this information (e.g., 'Confirmed via manufacturer catalog', 'Model specifications approximate')"
+                rows={3}
+                maxLength={1000}
+              />
+              <p className="text-xs text-muted-foreground">
+                {watch('submission_notes')?.length || 0}/1000 characters
+              </p>
+              {errors.submission_notes && (
+                <p className="text-sm text-destructive">{errors.submission_notes.message}</p>
+              )}
+            </div>
+          </div>
+
           {/* Images */}
           <EntityMultiImageUploader
             mode={initialData ? 'edit' : 'create'}
diff --git a/src/components/moderation/QueueItem.tsx b/src/components/moderation/QueueItem.tsx
index 08271cdc..4758e1eb 100644
--- a/src/components/moderation/QueueItem.tsx
+++ b/src/components/moderation/QueueItem.tsx
@@ -1,5 +1,5 @@
 import { memo, useState, useCallback } from 'react';
-import { CheckCircle, XCircle, Eye, Calendar, MessageSquare, FileText, Image, ListTree, RefreshCw, AlertCircle, Lock, Trash2, AlertTriangle, Edit } from 'lucide-react';
+import { CheckCircle, XCircle, Eye, Calendar, MessageSquare, FileText, Image, ListTree, RefreshCw, AlertCircle, Lock, Trash2, AlertTriangle, Edit, Info, ExternalLink, ChevronDown } from 'lucide-react';
 import { usePhotoSubmissionItems } from '@/hooks/usePhotoSubmissionItems';
 import { PhotoGrid } from '@/components/common/PhotoGrid';
 import { normalizePhotoData } from '@/lib/photoHelpers';
@@ -14,6 +14,7 @@ import { Textarea } from '@/components/ui/textarea';
 import { Label } from '@/components/ui/label';
 import { Alert, AlertDescription, AlertTitle } from '@/components/ui/alert';
 import { Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui/tooltip';
+import { Collapsible, CollapsibleContent, CollapsibleTrigger } from '@/components/ui/collapsible';
 import { format } from 'date-fns';
 import { SubmissionItemsList } from './SubmissionItemsList';
 import { MeasurementDisplay } from '@/components/ui/measurement-display';
@@ -505,6 +506,42 @@ export const QueueItem = memo(({
             )}
             
             <div className={isMobile ? 'space-y-4 mt-4' : 'grid grid-cols-1 lg:grid-cols-[1fr,auto] gap-6 items-start mt-4'}>
+              {/* Submitter Context - shown before moderator can add their notes */}
+              {(item.submission_items?.[0]?.item_data?.source_url || item.submission_items?.[0]?.item_data?.submission_notes) && (
+                <div className="space-y-3 mb-4 p-4 bg-blue-50 dark:bg-blue-950/20 border border-blue-200 dark:border-blue-800 rounded-lg lg:col-span-2">
+                  <div className="flex items-center gap-2 mb-2">
+                    <Info className="w-4 h-4 text-blue-600 dark:text-blue-400" />
+                    <h4 className="text-sm font-semibold text-blue-900 dark:text-blue-100">
+                      Submitter Context
+                    </h4>
+                  </div>
+                  
+                  {item.submission_items?.[0]?.item_data?.source_url && (
+                    <div className="text-sm">
+                      <span className="font-medium text-blue-900 dark:text-blue-100">Source: </span>
+                      <a 
+                        href={item.submission_items[0].item_data.source_url} 
+                        target="_blank" 
+                        rel="noopener noreferrer"
+                        className="text-blue-600 hover:underline dark:text-blue-400 inline-flex items-center gap-1"
+                      >
+                        {item.submission_items[0].item_data.source_url}
+                        <ExternalLink className="w-3 h-3" />
+                      </a>
+                    </div>
+                  )}
+
+                  {item.submission_items?.[0]?.item_data?.submission_notes && (
+                    <div className="text-sm">
+                      <span className="font-medium text-blue-900 dark:text-blue-100">Submitter Notes: </span>
+                      <p className="mt-1 whitespace-pre-wrap text-blue-800 dark:text-blue-200">
+                        {item.submission_items[0].item_data.submission_notes}
+                      </p>
+                    </div>
+                  )}
+                </div>
+              )}
+              
               {/* Left: Notes textarea */}
               <div className="space-y-2">
                 <Label htmlFor={`notes-${item.id}`}>Moderation Notes (optional)</Label>
@@ -648,7 +685,7 @@ export const QueueItem = memo(({
         )}
         
         {/* Reviewer Information for approved/rejected items */}
-        {(item.status === 'approved' || item.status === 'rejected') && (item.reviewed_at || item.reviewer_notes) && (
+        {(item.status === 'approved' || item.status === 'rejected') && (item.reviewed_at || item.reviewer_notes || item.submission_items?.[0]?.item_data?.source_url || item.submission_items?.[0]?.item_data?.submission_notes) && (
           <div className="space-y-3 pt-4 border-t">
             <div className="flex items-center gap-2 text-sm text-muted-foreground">
               <Calendar className="w-4 h-4" />
@@ -672,9 +709,43 @@ export const QueueItem = memo(({
               )}
             </div>
             
+            {/* Submitter Context (shown in collapsed state after review) */}
+            {(item.submission_items?.[0]?.item_data?.source_url || item.submission_items?.[0]?.item_data?.submission_notes) && (
+              <Collapsible>
+                <CollapsibleTrigger className="flex items-center gap-2 text-sm font-medium hover:underline">
+                  <ChevronDown className="w-4 h-4" />
+                  View Submitter Context
+                </CollapsibleTrigger>
+                <CollapsibleContent className="mt-2 bg-muted/30 p-3 rounded-lg">
+                  {item.submission_items?.[0]?.item_data?.source_url && (
+                    <div className="text-sm mb-2">
+                      <span className="font-medium">Source: </span>
+                      <a 
+                        href={item.submission_items[0].item_data.source_url} 
+                        target="_blank" 
+                        rel="noopener noreferrer"
+                        className="text-blue-600 hover:underline inline-flex items-center gap-1"
+                      >
+                        {item.submission_items[0].item_data.source_url}
+                        <ExternalLink className="w-3 h-3" />
+                      </a>
+                    </div>
+                  )}
+                  {item.submission_items?.[0]?.item_data?.submission_notes && (
+                    <div className="text-sm">
+                      <span className="font-medium">Submitter Notes: </span>
+                      <p className="mt-1 whitespace-pre-wrap text-muted-foreground">
+                        {item.submission_items[0].item_data.submission_notes}
+                      </p>
+                    </div>
+                  )}
+                </CollapsibleContent>
+              </Collapsible>
+            )}
+            
             {item.reviewer_notes && (
               <div className="bg-muted/30 p-3 rounded-lg">
-                <p className="text-sm font-medium mb-1">Reviewer Notes:</p>
+                <p className="text-sm font-medium mb-1">Moderator Notes:</p>
                 <p className="text-sm text-muted-foreground">{item.reviewer_notes}</p>
               </div>
             )}
diff --git a/src/lib/entityValidationSchemas.ts b/src/lib/entityValidationSchemas.ts
index 4f4f3d1d..ce46304f 100644
--- a/src/lib/entityValidationSchemas.ts
+++ b/src/lib/entityValidationSchemas.ts
@@ -53,6 +53,14 @@ export const parkValidationSchema = z.object({
   card_image_id: z.string().optional(),
   card_image_url: z.string().optional(),
   images: imageAssignmentSchema,
+  source_url: z.string().trim().optional().or(z.literal('')).refine((val) => {
+    if (!val || val === '') return true;
+    return z.string().url().safeParse(val).success;
+  }, 'Invalid URL format. Must be a valid URL starting with http:// or https://'),
+  submission_notes: z.string().trim()
+    .max(1000, 'Submission notes must be less than 1000 characters')
+    .optional()
+    .or(z.literal('')),
 }).refine((data) => {
   if (data.closing_date && data.opening_date) {
     return new Date(data.closing_date) >= new Date(data.opening_date);
@@ -131,6 +139,14 @@ export const rideValidationSchema = z.object({
   card_image_id: z.string().optional(),
   card_image_url: z.string().optional(),
   images: imageAssignmentSchema,
+  source_url: z.string().trim().optional().or(z.literal('')).refine((val) => {
+    if (!val || val === '') return true;
+    return z.string().url().safeParse(val).success;
+  }, 'Invalid URL format. Must be a valid URL starting with http:// or https://'),
+  submission_notes: z.string().trim()
+    .max(1000, 'Submission notes must be less than 1000 characters')
+    .optional()
+    .or(z.literal('')),
 });
 
 // ============================================
@@ -159,6 +175,14 @@ export const companyValidationSchema = z.object({
   card_image_id: z.string().optional(),
   card_image_url: z.string().optional(),
   images: imageAssignmentSchema,
+  source_url: z.string().trim().optional().or(z.literal('')).refine((val) => {
+    if (!val || val === '') return true;
+    return z.string().url().safeParse(val).success;
+  }, 'Invalid URL format. Must be a valid URL starting with http:// or https://'),
+  submission_notes: z.string().trim()
+    .max(1000, 'Submission notes must be less than 1000 characters')
+    .optional()
+    .or(z.literal('')),
 });
 
 // ============================================
@@ -172,6 +196,14 @@ export const rideModelValidationSchema = z.object({
   ride_type: z.string().trim().min(1, 'Ride type is required').max(100, 'Ride type must be less than 100 characters'),
   description: z.string().trim().max(2000, 'Description must be less than 2000 characters').optional().or(z.literal('')),
   manufacturer_id: z.string().uuid('Invalid manufacturer ID').optional(),
+  source_url: z.string().trim().optional().or(z.literal('')).refine((val) => {
+    if (!val || val === '') return true;
+    return z.string().url().safeParse(val).success;
+  }, 'Invalid URL format. Must be a valid URL starting with http:// or https://'),
+  submission_notes: z.string().trim()
+    .max(1000, 'Submission notes must be less than 1000 characters')
+    .optional()
+    .or(z.literal('')),
 });
 
 // ============================================
diff --git a/src/types/submission-data.ts b/src/types/submission-data.ts
index f1003ceb..f05b6f7a 100644
--- a/src/types/submission-data.ts
+++ b/src/types/submission-data.ts
@@ -23,6 +23,8 @@ export interface ParkSubmissionData {
   banner_image_id?: string | null;
   card_image_url?: string | null;
   card_image_id?: string | null;
+  source_url?: string;
+  submission_notes?: string;
 }
 
 export interface RideSubmissionData {
@@ -58,6 +60,8 @@ export interface RideSubmissionData {
   card_image_url?: string | null;
   card_image_id?: string | null;
   image_url?: string | null;
+  source_url?: string;
+  submission_notes?: string;
 }
 
 export interface CompanySubmissionData {
@@ -76,6 +80,8 @@ export interface CompanySubmissionData {
   banner_image_id?: string | null;
   card_image_url?: string | null;
   card_image_id?: string | null;
+  source_url?: string;
+  submission_notes?: string;
 }
 
 export interface RideModelSubmissionData {
@@ -89,6 +95,8 @@ export interface RideModelSubmissionData {
   banner_image_id?: string | null;
   card_image_url?: string | null;
   card_image_id?: string | null;
+  source_url?: string;
+  submission_notes?: string;
 }
 
 export interface TimelineEventItemData {