Refactoring

src/lib/csound/engine.ts

@@ -4,6 +4,7 @@ export interface CsoundEngineOptions {
   onMessage?: (message: string) => void;
   onError?: (error: string) => void;
   onPerformanceEnd?: () => void;
+  onAnalyserNodeCreated?: (node: AnalyserNode) => void;
 }
 
 export class CsoundEngine {
@@ -145,6 +146,7 @@ export class CsoundEngine {
       this.scopeNode.connect(this.audioContext.destination);
 
       this.log('Analyser node created and connected');
+      this.options.onAnalyserNodeCreated?.(this.scopeNode);
     } catch (error) {
       console.error('Failed to setup analyser:', error);
       this.log('Error setting up analyser: ' + error);