Add audio separation web app and verified recovery sources

app.js

@@ -24,7 +24,7 @@ function appearancePage(){
  sync();
 }
 async function refresh(){if(refreshing)return;refreshing=true;const page=location.hash.slice(1)||'dashboard';document.querySelectorAll('nav a').forEach(a=>a.classList.toggle('active',a.hash==='#'+page));try{error.textContent='';let html;
-if(page==='separator-runtime'||page==='separator-test'){SeparatorUI.render(page==='separator-test');return;}
+if(['separator-runtime','separator-test','separation'].includes(page)){SeparatorUI.render(page!=='separator-runtime');return;}
 if(page==='audio-cpp-runtime'){AudioCppUI.render();return;}
 if(page==='ltx-original-runtime'){LTXOriginalUI.render();return;}
 if(['video','video-runtime'].includes(page)){VideoUI.runtime();return;}