M17: realtime FX mượt — MMCSS Pro Audio + HIGH_PRIORITY_CLASS (JuceFxLoop), GUI tick cadence động 30/200ms (guiBusy), worklet CAP 32->48, track FX gửi input NGAY như master

app/static/js/app.jsx

@@ -25713,34 +25713,20 @@ const App = () => {
         }
         if (d.type !== 'in') return;
         // Burst 4 block (1024 mẫu) → tách 4 WS frame 512 floats → bridge batch 4.
-        // Pace 1 burst/21ms (giống master) — tránh dồn frame sau stall làm tràn ring.
-        entry.inQueue.push(d);
-        const pump = () => {
-          if (!entry.inQueue.length) return;
-          const now = Date.now();
-          while (entry.inQueue.length && now - entry.lastInSent >= FXRT_BURST_MS) {
-            entry.lastInSent = now;
-            const dd = entry.inQueue.shift();
-            if (entry.ws && entry.ws.readyState === 1) {
-              try {
-                const f = new Float32Array(dd.data);
-                if (f.length > 512) {
-                  for (let i = 0; i < f.length; i += 512) entry.ws.send(f.slice(i, i + 512).buffer);
-                } else {
-                  entry.ws.send(dd.data);
-                }
-              } catch (e) {}
+        // Gửi NGAY (không pace setTimeout) như master path (proven): worklet đã
+        // pace 1 burst/21.33ms theo đồng hồ audio; timer main-thread bận/trễ →
+        // input gửi trễ → engine chỉ sản xuất khi có input → cushion cạn →
+        // crackle. Burst sau stall: engine hấp thụ (in ring 4 slot, drop-oldest).
+        if (entry.ws && entry.ws.readyState === 1) {
+          try {
+            const f = new Float32Array(d.data);
+            if (f.length > 512) {
+              for (let i = 0; i < f.length; i += 512) entry.ws.send(f.slice(i, i + 512).buffer);
+            } else {
+              entry.ws.send(d.data);
             }
-          }
-          if (entry.inQueue.length) {
-            if (entry.pumpTimer) clearTimeout(entry.pumpTimer);
-            entry.pumpTimer = setTimeout(pump, Math.max(1, FXRT_BURST_MS - (now - entry.lastInSent)));
-          } else if (entry.pumpTimer) {
-            clearTimeout(entry.pumpTimer);
-            entry.pumpTimer = null;
-          }
-        };
-        pump();
+          } catch (e) {}
+        }
       };
     } catch (e) {
       console.warn('[FX RT track] setup fail', trackId, path, e);