diff --git a/src/lib/moderation/validation.ts b/src/lib/moderation/validation.ts
index 9d076dfe..93191190 100644
--- a/src/lib/moderation/validation.ts
+++ b/src/lib/moderation/validation.ts
@@ -29,6 +29,8 @@ const SubmissionItemSchema = z.object({
   status: z.string(),
   item_type: z.string().optional(),
   item_data: z.record(z.string(), z.any()).optional().nullable(),
+  item_data_id: z.string().uuid().optional().nullable(),
+  action_type: z.enum(['create', 'edit', 'delete']).optional(),
   original_data: z.record(z.string(), z.any()).optional().nullable(),
   error_message: z.string().optional().nullable(),
 });
@@ -46,7 +48,7 @@ export const ModerationItemSchema = z.object({
   updated_at: z.string().optional().nullable(),
   reviewed_at: z.string().optional().nullable(),
   
-  content: z.record(z.string(), z.any()),
+  content: z.record(z.string(), z.any()).optional().nullable(),
   
   // User fields (support both old and new naming)
   submitter_id: z.string().uuid().optional(),