fix: detach event listeners during stream and crossfade destroy

Remove all event listeners from CrossfadeController and pipeline
transforms on stream destruction to prevent closure retention.

Author: ToddyTheNoobDud

dist/src/playback/processing/CrossfadeController.js

@@ -377,6 +377,7 @@ export class CrossfadeController extends Transform {
         this.transition = null;
         this.armed = null;
         this.mainPending = null;
+        this.removeAllListeners();
         callback(error);
     }
     _createBufferedStream(stream, maxBytes, onComplete) {

dist/src/playback/processing/streamProcessor.js

@@ -514,6 +514,7 @@ class BaseAudioResource {
             pipe.abort?.();
             pipe.unpipe?.();
             pipe.cleanup?.();
+            pipe.removeAllListeners?.();
             pipe.destroy?.();
         }
         this.pipes.length = 0;

src/playback/processing/CrossfadeController.ts

@@ -623,6 +623,7 @@ export class CrossfadeController extends Transform {
     this.transition = null
     this.armed = null
     this.mainPending = null
+    this.removeAllListeners()
     callback(error)
   }
 

src/playback/processing/streamProcessor.ts

@@ -779,12 +779,14 @@ class BaseAudioResource {
         abort?: () => void
         unpipe?: () => void
         cleanup?: () => void
+        removeAllListeners?: () => void
         destroy?: () => void
       }
       pipe.resume?.()
       pipe.abort?.()
       pipe.unpipe?.()
       pipe.cleanup?.()
+      pipe.removeAllListeners?.()
       pipe.destroy?.()
     }