fix(ipc): Propagate per-client disconnects, add proper routing for targeted messages, and remove unused node-ipc deps

ts/classes.ipcserver.ts

@@ -211,6 +211,17 @@ export class IpcServer extends plugins.EventEmitter {
     this.isRunning = true;
     this.startClientIdleCheck();
     this.emit('start');
+
+    // Track individual client disconnects forwarded by the channel/transport
+    this.primaryChannel.on('clientDisconnected', (clientId?: string) => {
+      if (!clientId) return;
+      // Clean up any topic subscriptions and client map entry
+      this.cleanupClientSubscriptions(clientId);
+      if (this.clients.has(clientId)) {
+        this.clients.delete(clientId);
+        this.emit('clientDisconnect', clientId);
+      }
+    });
     
     // Handle readiness based on options
     if (options.readyWhen === 'accepting') {
@@ -375,7 +386,14 @@ export class IpcServer extends plugins.EventEmitter {
       throw new Error(`Client ${clientId} not found`);
     }
 
-    await client.channel.sendMessage(type, payload, headers);
+    // Ensure the target clientId is part of the headers so the transport
+    // can route the message to the correct socket instead of broadcasting.
+    const routedHeaders: Record<string, any> | undefined = {
+      ...(headers || {}),
+      clientId,
+    };
+
+    await client.channel.sendMessage(type, payload, routedHeaders);
   }
 
   /**
@@ -400,13 +418,12 @@ export class IpcServer extends plugins.EventEmitter {
    */
   public async broadcast(type: string, payload: any, headers?: Record<string, any>): Promise<void> {
     const promises: Promise<void>[] = [];
-    
-    for (const [clientId, client] of this.clients) {
+
+    for (const [clientId] of this.clients) {
       promises.push(
-        client.channel.sendMessage(type, payload, headers)
-          .catch((error) => {
-            this.emit('error', error, clientId);
-          })
+        this.sendToClient(clientId, type, payload, headers).catch((error) => {
+          this.emit('error', error, clientId);
+        })
       );
     }
 
@@ -423,14 +440,13 @@ export class IpcServer extends plugins.EventEmitter {
     headers?: Record<string, any>
   ): Promise<void> {
     const promises: Promise<void>[] = [];
-    
+
     for (const [clientId, client] of this.clients) {
       if (filter(clientId, client.metadata)) {
         promises.push(
-          client.channel.sendMessage(type, payload, headers)
-            .catch((error) => {
-              this.emit('error', error, clientId);
-            })
+          this.sendToClient(clientId, type, payload, headers).catch((error) => {
+            this.emit('error', error, clientId);
+          })
         );
       }
     }
@@ -552,4 +568,4 @@ export class IpcServer extends plugins.EventEmitter {
   public getIsReady(): boolean {
     return this.isReady;
   }
-}
+}