From 46c08e10e8ec2da21d8a3405adc230fb3fd813d7 Mon Sep 17 00:00:00 2001
From: "gpt-engineer-app[bot]"
 <159125892+gpt-engineer-app[bot]@users.noreply.github.com>
Date: Wed, 12 Nov 2025 14:28:50 +0000
Subject: [PATCH] Add item-level approval history

Introduce ItemLevelApprovalHistory component to display which specific submission items were approved, when, and by whom, and integrate it into QueueItem between metadata and audit trail. The component shows item names, approval timestamps, action types, and reviewer info.
---
 .../moderation/ItemLevelApprovalHistory.tsx   | 125 ++++++++++++++++++
 src/components/moderation/QueueItem.tsx       |  10 ++
 2 files changed, 135 insertions(+)
 create mode 100644 src/components/moderation/ItemLevelApprovalHistory.tsx

diff --git a/src/components/moderation/ItemLevelApprovalHistory.tsx b/src/components/moderation/ItemLevelApprovalHistory.tsx
new file mode 100644
index 00000000..4d033cec
--- /dev/null
+++ b/src/components/moderation/ItemLevelApprovalHistory.tsx
@@ -0,0 +1,125 @@
+import { memo } from 'react';
+import { formatDistanceToNow } from 'date-fns';
+import { Avatar, AvatarFallback, AvatarImage } from '@/components/ui/avatar';
+import { Badge } from '@/components/ui/badge';
+import { CheckCircle2, User } from 'lucide-react';
+import type { SubmissionItem } from '@/types/moderation';
+
+interface ItemLevelApprovalHistoryProps {
+  items: SubmissionItem[];
+  reviewerProfile?: {
+    user_id: string;
+    username: string;
+    display_name?: string | null;
+    avatar_url?: string | null;
+  } | null;
+}
+
+export const ItemLevelApprovalHistory = memo(({
+  items,
+  reviewerProfile,
+}: ItemLevelApprovalHistoryProps) => {
+  // Filter to only approved items with timestamps
+  const approvedItems = items.filter(
+    item => item.status === 'approved' && (item as any).approved_at
+  );
+
+  if (approvedItems.length === 0) {
+    return null;
+  }
+
+  // Sort by approval time (newest first)
+  const sortedItems = [...approvedItems].sort((a, b) => {
+    const timeA = new Date((a as any).approved_at).getTime();
+    const timeB = new Date((b as any).approved_at).getTime();
+    return timeB - timeA;
+  });
+
+  // Helper to get item display name
+  const getItemName = (item: SubmissionItem): string => {
+    const entityData = item.entity_data || item.item_data;
+    if (entityData && typeof entityData === 'object' && 'name' in entityData) {
+      return String(entityData.name);
+    }
+    return `${item.item_type} #${item.order_index}`;
+  };
+
+  // Helper to get action label
+  const getActionLabel = (actionType: string): string => {
+    switch (actionType) {
+      case 'create': return 'Created';
+      case 'edit': return 'Edited';
+      case 'delete': return 'Deleted';
+      default: return 'Modified';
+    }
+  };
+
+  return (
+    <div className="space-y-2">
+      <div className="text-xs font-semibold text-muted-foreground uppercase tracking-wide flex items-center gap-2">
+        <CheckCircle2 className="h-3.5 w-3.5" />
+        Item Approvals
+      </div>
+      
+      <div className="space-y-2">
+        {sortedItems.map((item) => {
+          const approvedAt = (item as any).approved_at;
+          const itemName = getItemName(item);
+          const actionLabel = getActionLabel(item.action_type);
+          
+          return (
+            <div
+              key={item.id}
+              className="flex items-start gap-3 text-sm bg-success/5 border border-success/20 rounded-md p-3"
+            >
+              {/* Approval Icon */}
+              <div className="flex-shrink-0 mt-0.5">
+                <CheckCircle2 className="h-4 w-4 text-success" />
+              </div>
+              
+              {/* Item Info */}
+              <div className="flex-1 min-w-0 space-y-1">
+                <div className="flex items-start justify-between gap-2">
+                  <div className="flex items-center gap-2 flex-wrap">
+                    <span className="font-medium text-foreground truncate">
+                      {itemName}
+                    </span>
+                    <Badge variant="outline" className="text-xs">
+                      {actionLabel}
+                    </Badge>
+                    <Badge variant="secondary" className="text-xs font-mono">
+                      {item.item_type}
+                    </Badge>
+                  </div>
+                  <span className="text-xs text-muted-foreground whitespace-nowrap">
+                    {formatDistanceToNow(new Date(approvedAt), { addSuffix: true })}
+                  </span>
+                </div>
+                
+                {/* Reviewer Info */}
+                {reviewerProfile && (
+                  <div className="flex items-center gap-2 text-xs text-muted-foreground">
+                    <Avatar className="h-5 w-5">
+                      <AvatarImage src={reviewerProfile.avatar_url ?? undefined} />
+                      <AvatarFallback className="text-[10px]">
+                        <User className="h-3 w-3" />
+                      </AvatarFallback>
+                    </Avatar>
+                    <span>
+                      Approved by{' '}
+                      <span className="font-medium text-foreground">
+                        {reviewerProfile.display_name || reviewerProfile.username}
+                      </span>
+                    </span>
+                  </div>
+                )}
+              </div>
+            </div>
+          );
+        })}
+      </div>
+    </div>
+  );
+});
+
+ItemLevelApprovalHistory.displayName = 'ItemLevelApprovalHistory';
diff --git a/src/components/moderation/QueueItem.tsx b/src/components/moderation/QueueItem.tsx
index ecee6bd6..992e97bc 100644
--- a/src/components/moderation/QueueItem.tsx
+++ b/src/components/moderation/QueueItem.tsx
@@ -23,6 +23,7 @@ import { QueueItemActions } from './renderers/QueueItemActions';
 import { SubmissionMetadataPanel } from './SubmissionMetadataPanel';
 import { AuditTrailViewer } from './AuditTrailViewer';
 import { RawDataViewer } from './RawDataViewer';
+import { ItemLevelApprovalHistory } from './ItemLevelApprovalHistory';
 
 interface QueueItemProps {
   item: ModerationItem;
@@ -330,6 +331,15 @@ export const QueueItem = memo(({
         {item.type === 'content_submission' && (
           <div className="mt-6 space-y-4">
             <SubmissionMetadataPanel item={item} />
+            
+            {/* Item-level approval history */}
+            {item.submission_items && item.submission_items.length > 0 && (
+              <ItemLevelApprovalHistory 
+                items={item.submission_items}
+                reviewerProfile={item.reviewer_profile}
+              />
+            )}
+            
             <AuditTrailViewer submissionId={item.id} />
           </div>
         )}