Improve Reddit chat and media reliability

packages/api-contracts/src/chats.ts

@@ -8,6 +8,7 @@ export const ChatMediaSchema = z.strictObject({
   fileName: z.string(),
 });
 export const ChatMessageSchema = z.strictObject({
+  eventId: z.string().optional(),
   sender: z.string(),
   text: z.string(),
   timestamp: z.number(),