Feature(web): Add toolbar audio toggle button

server/go/go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/gorilla/websocket v1.5.3
 	github.com/klauspost/compress v1.18.2
 	github.com/rs/zerolog v1.34.0
+	golang.org/x/sync v0.20.0
 	golang.org/x/text v0.32.0
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 )
@@ -14,6 +15,5 @@ require (
 require (
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.19 // indirect
-	golang.org/x/sync v0.20.0 // indirect
 	golang.org/x/sys v0.12.0 // indirect
 )

server/go/web/ws_handlers.go

@@ -51,6 +51,15 @@ func (h *wsHub) dispatch(c *wsClient, cmd string, raw []byte) {
 		h.handleConnect(c, raw)
 	case "rdp_reset":
 		h.handleRdpReset(c, raw)
+	case "audio_toggle":
+		// Audio capture/forwarding is not yet ported from the C++ WebService
+		// (see project_go_webservice_port). Reply explicitly so the front-end
+		// console shows why the toolbar button has no effect, instead of the
+		// request being silently dropped by the default case.
+		c.queue(mustJSON(map[string]any{
+			"cmd": "audio_toggle_result", "ok": false,
+			"msg": "Audio toggle not supported on Go server yet",
+		}))
 	case "mouse":
 		h.handleMouse(c, raw)
 	case "key":