Connect to atomic rejection flow

Introduce atomic rejection for bulk submissions, remove dead moderation code, and clean exports:
- Replace direct DB updates in rejectSubmissionItems with atomic process-selective-rejection edge function call
- Add edge function invocation helper import
- Remove obsolete moderation actions (approvePhotoSubmission, rejectSubmissionItems, performModerationAction) and prune exports
- Update moderation index exports accordingly
- Ensure cascade handling uses atomic pipeline and avoid updateSubmissionStatusAfterRejection calls

src/lib/submissionItemsService.ts

@@ -1,6 +1,7 @@
 import { supabase } from '@/lib/supabaseClient';
 import { handleError, handleNonCriticalError, getErrorMessage } from './errorHandler';
 import { extractCloudflareImageId } from './cloudflareImageUtils';
+import { invokeWithTracking } from './edgeFunctionTracking';
 
 // Core submission item interface with dependencies
 // NOTE: item_data and original_data use `unknown` because they contain dynamic structures
@@ -1367,32 +1368,24 @@ export async function rejectSubmissionItems(
     }
   }
 
-  // Update all items to rejected status
-  const updates = Array.from(itemsToReject).map(async (itemId) => {
-    const { error } = await supabase
-      .from('submission_items')
-      .update({
-        status: 'rejected' as const,
-        rejection_reason: reason,
-        updated_at: new Date().toISOString(),
-      })
-      .eq('id', itemId);
-
-      if (error) {
-        handleNonCriticalError(error, {
-          action: 'Reject Submission Item',
-          metadata: { itemId }
-        });
-        throw error;
-      }
-  });
-
-  await Promise.all(updates);
-
-  // Update parent submission status
   const submissionId = items[0]?.submission_id;
-  if (submissionId) {
-    await updateSubmissionStatusAfterRejection(submissionId);
+  if (!submissionId) {
+    throw new Error('Cannot reject items: missing submission ID');
+  }
+
+  // Use atomic edge function for rejection
+  const { data, error } = await invokeWithTracking(
+    'process-selective-rejection',
+    {
+      itemIds: Array.from(itemsToReject),
+      submissionId,
+      rejectionReason: reason,
+    },
+    userId
+  );
+
+  if (error) {
+    throw new Error(`Failed to reject items: ${error.message}`);
   }
 }