Fix longstanding architectural issues

ext/src/cast/contentBridge.ts

@@ -1,30 +1,19 @@
-"use strict";
-
 import messaging, { Message } from "../messaging";
-import { PageEventMessenger, ExtensionEventMessenger } from "./eventMessaging";
-
-// Create messengers manually instead of relying on getters
-const eventMessaging = {
-    page: new PageEventMessenger(),
-    extension: new ExtensionEventMessenger()
-};
+import pageMessenging from "./pageMessenging";
 
 // Message port to background script
-export const backgroundPort = messaging.connect({ name: "cast" });
+export const managerPort = messaging.connect({ name: "cast" });
 
 const forwardToPage = (message: Message) => {
-    eventMessaging.extension.sendMessage(message);
+    pageMessenging.extension.sendMessage(message);
 };
 const forwardToMain = (message: Message) => {
-    backgroundPort.postMessage(message);
+    managerPort.postMessage(message);
 };
 
-// Add message listeners
-backgroundPort.onMessage.addListener(forwardToPage);
-eventMessaging.extension.addListener(forwardToMain);
+managerPort.onMessage.addListener(forwardToPage);
+pageMessenging.extension.addListener(forwardToMain);
 
-// Remove listeners
-backgroundPort.onDisconnect.addListener(() => {
-    backgroundPort.onMessage.removeListener(forwardToPage);
-    eventMessaging.extension.addListener(forwardToMain);
+managerPort.onDisconnect.addListener(() => {
+    pageMessenging.extension.close();
 });