feat(webrtc): add admin option to mute other participants

internal/voice/client.go

@@ -99,6 +99,33 @@ func (c *Client) ListParticipants(roomName string) ([]*livekit.ParticipantInfo,
 	return resp.Participants, nil
 }
 
+func (c *Client) MuteParticipant(roomName string, identity string) error {
+	if c == nil {
+		return fmt.Errorf("voice client not configured")
+	}
+
+	participant, err := c.roomClient.GetParticipant(context.Background(), &livekit.RoomParticipantIdentity{
+		Room:     roomName,
+		Identity: identity,
+	})
+	if err != nil {
+		return fmt.Errorf("get participant: %w", err)
+	}
+
+	for _, track := range participant.Tracks {
+		_, err := c.roomClient.MutePublishedTrack(context.Background(), &livekit.MuteRoomTrackRequest{
+			Room:     roomName,
+			Identity: identity,
+			TrackSid: track.Sid,
+			Muted:    true,
+		})
+		if err != nil {
+			return fmt.Errorf("mute track %s: %w", track.Sid, err)
+		}
+	}
+	return nil
+}
+
 func boolPtr(b bool) *bool {
 	return &b
 }