added lite version

web/master/main.js

@@ -338,6 +338,17 @@ function handleCommand(msg) {
             if (id === state.np.stationId && (state.np.playing || state.np.loading)) return;
             if (id === _pendingStationId) return;
             _pendingStationId = id;
+            // Stop old audio immediately — mirror the UI path where the station
+            // object is already available and player.stop() fires synchronously
+            // inside player.play(). Without this, the old stream keeps playing
+            // for the full round-trip of the metadata fetch below.
+            endCurrentSession();
+            try { player.stop(); } catch { /* ignore */ }
+            state.np.playing = false;
+            state.np.loading = true;
+            state.np.station = null;
+            state.np.stationId = id;
+            render();
             const gen = ++_cmdGen;
             api.get(`/api/stations/${id}`).then((st) => {
                 // Bail if a newer command superseded this one while the