Add browser support with Socket.io transport, authentication, performance-optimized IPC, and CI/CD (#925)

events/EventSystem/IpcRendererEventBusV2.ts

@@ -0,0 +1,65 @@
+import { CallbackStore } from './CallbackStore'
+import { EventBusInterface } from './EventBusInterface'
+import { Event } from '../Events'
+import { IpcRenderer } from 'electron'
+import { MessageCodec } from './MessageCodec'
+
+/**
+ * Enhanced IPC Renderer Event Bus with Protobuf support
+ *
+ * This version uses binary serialization for better performance
+ * while maintaining backward compatibility with the old JSON-based system.
+ */
+export class IpcRendererEventBusV2 implements EventBusInterface {
+  private ipc: IpcRenderer
+  private callbacks: Array<CallbackStore> = []
+  private useBinary: boolean
+
+  constructor(ipc: IpcRenderer, useBinary: boolean = true) {
+    this.ipc = ipc
+    this.useBinary = useBinary
+  }
+
+  public subscribe<MessageType>(event: Event<MessageType>, callback: (msg: MessageType) => void) {
+    const wrappedCallback = (_: any, arg: any) => {
+      if (this.useBinary && arg instanceof Uint8Array) {
+        // Binary message - decode it
+        const { data } = MessageCodec.decodeWithPayload<MessageType>(arg)
+        callback(data)
+      } else {
+        // Regular JSON message
+        callback(arg)
+      }
+    }
+    console.log('subscribing', event.topic, this.useBinary ? '(binary)' : '(json)')
+    this.ipc.on(event.topic, wrappedCallback)
+    this.callbacks.push({
+      callback,
+      wrappedCallback,
+    })
+  }
+
+  public unsubscribeAll<MessageType>(event: Event<MessageType>) {
+    this.ipc.removeAllListeners(event.topic)
+  }
+
+  public unsubscribe<MessageType>(event: Event<MessageType>, callback: any) {
+    const item = this.callbacks.find(store => store.callback === callback)
+    if (!item) {
+      return
+    }
+    this.ipc.removeListener(event.topic, item.wrappedCallback)
+    this.callbacks = this.callbacks.filter(a => a !== item)
+  }
+
+  public emit<MessageType>(event: Event<MessageType>, msg: MessageType) {
+    if (this.useBinary) {
+      // Encode as binary
+      const binary = MessageCodec.encode(event.topic, msg)
+      this.ipc.send(event.topic, binary)
+    } else {
+      // Send as JSON (legacy)
+      this.ipc.send(event.topic, msg)
+    }
+  }
+}