chore: add websocket for real time

src/modules/email/constants/email-events.constant.ts

@@ -2,7 +2,9 @@ export const WEBSOCKET_EVENTS = {
   // Connection Events
   CONNECTION_ESTABLISHED: "connection_established",
   CONNECTION_ERROR: "connection_error",
-
+  CONNECTION_CLOSED: "connection_closed",
+  USER_LEFT: "user_left",
+  UNAUTHORIZED: "unauthorized",
   // Email Events - Server to Client
   NEW_EMAIL: "new_email",
   EMAIL_READ: "email_read",
@@ -34,3 +36,10 @@ export const WEBSOCKET_NAMESPACES = {
 export type WebSocketEvent = (typeof WEBSOCKET_EVENTS)[keyof typeof WEBSOCKET_EVENTS];
 export type WebSocketRoom = string;
 export type WebSocketNamespace = (typeof WEBSOCKET_NAMESPACES)[keyof typeof WEBSOCKET_NAMESPACES];
+
+export const EMAIL_QUEUE_CONSTANTS = {
+  EMAIL_QUEUE: "email_queue",
+  EMAIL_QUEUE_PROCESSING: "email_queue_processing",
+  EMAIL_QUEUE_FAILED: "email_queue_failed",
+  EMAIL_QUEUE_COMPLETED: "email_queue_completed",
+};