IMPROVE: hướng dẫn AI tạo nhạc đầy đủ số bars và tracks theo yêu cầu

app/static/js/app.jsx

@@ -826,21 +826,6 @@ const MasterStripConsole = ({ masterVolume, setMasterVolume, showMasteringModal,
         levelR = peakR;
       }
 
-      if (!isMuted && (isTestPlaying || isPlaying)) {
-        const db = masterVolume;
-        const linearGain = db <= -60 ? 0 : Math.pow(10, db / 20);
-        const baseSignal = 0.5 * linearGain;
-        if (baseSignal > 0) {
-          levelL = Math.min(1.0, Math.max(0, baseSignal * (0.9 + Math.random() * 0.18)));
-          levelR = Math.min(1.0, Math.max(0, baseSignal * (0.88 + Math.random() * 0.22)));
-          if (isMono) {
-            const mono = (levelL + levelR) / 2;
-            levelL = mono;
-            levelR = mono;
-          }
-        }
-      }
-
       const padding = 4;
       const gap = 4;
       const barW = Math.max(4, (w - padding * 2 - gap) / 2);
@@ -864,7 +849,7 @@ const MasterStripConsole = ({ masterVolume, setMasterVolume, showMasteringModal,
     return () => {
       if (animFrameRef.current) cancelAnimationFrame(animFrameRef.current);
     };
-  }, [isPlaying, masterVolume, isMuted, isMono]);
+  }, [masterVolume, isMuted, isMono]);
 
   return React.createElement("div", {
     className: "flex flex-col items-stretch w-[300px] shrink-0 strip-bg rounded-lg p-2 text-slate-300 select-none shadow-2xl relative overflow-hidden"
@@ -16318,6 +16303,13 @@ const App = () => {
       });
 
       let matchedInstruction = '';
+      if (aiPromptMgrRef.current) {
+        const matchResult = aiPromptMgrRef.current.matchPreset(prompt);
+        if (matchResult && matchResult.preset) {
+          matchedInstruction = matchResult.preset.system_instruction_template;
+          setAiActionLog(prev => [...prev, { type: 'info', text: ` Khớp với preset: "${matchResult.preset.name}"`, time: Date.now() }]);
+        }
+      }
 
       const result = await window.AIGateway.executeAIPrompt({
         prompt: prompt,