fix: MIDI keyboard preview silent after transport STOP — live flag bypass guard (V8)

app/static/js/services/nativeBridgeService.js

@@ -110,7 +110,7 @@
      * velocity 0..1; sampleOffset in samples within the current audio block.
      * data2/data3 (A12): CC value / program / PB LSB|MSB.
      */
-    dispatchMidiEvent: function (cmd, channel, pitch, velocity, sampleOffset, data2, data3) {
+    dispatchMidiEvent: function (cmd, channel, pitch, velocity, sampleOffset, data2, data3, live) {
       if (!this._tauri()) return false;
       var safeVelocity = Math.floor(Math.min(1.0, Math.max(0.0, velocity)) * 127);
       var byteCmd;
@@ -127,7 +127,8 @@
         velocity: safeVelocity,
         data2: data2 === undefined ? 0 : data2,
         data3: data3 === undefined ? 0 : data3,
-        sampleOffset: sampleOffset || 0
+        sampleOffset: sampleOffset || 0,
+        live: !!live
       }).catch(function (e) { console.warn('[BridgeService] push_midi_event:', e); });
       return true;
     },

app/static/js/services/unifiedMidiRouter.js

@@ -54,7 +54,7 @@
       if (typeof ch === 'string') ch = this.allocateChannel(ch, opts.percussion);
       if (ch === undefined || ch === null) ch = 0;
       if (this.isBridgeActive()) {
-        window.NativeBridgeService.dispatchMidiEvent(cmd, ch, pitch, vel, sampleOffset, opts.data2, opts.data3);
+        window.NativeBridgeService.dispatchMidiEvent(cmd, ch, pitch, vel, sampleOffset, opts.data2, opts.data3, opts.live);
         return;
       }
       if (this.onFallback) this.onFallback(cmd, ch, pitch, vel);