feat: add initial browser voice input prototype

update.sh

@@ -10,10 +10,25 @@ echo "Building Go binary..."
 make build-go
 
 echo "Installing binary..."
-cp bin/webterm ~/go/bin/webterm
+mkdir -p ~/go/bin
+tmp_target=~/go/bin/webterm.new
+cp bin/webterm "$tmp_target"
+chmod +x "$tmp_target"
+mv "$tmp_target" ~/go/bin/webterm
 
 echo "Restarting service..."
 systemctl --user restart webterm.service
 
 echo "Done. Status:"
 systemctl --user status webterm.service --no-pager
+
+echo
+echo "Listening sockets:"
+ss -ltnp | grep ':8080' || true
+
+echo
+echo "Reachable URLs:"
+echo "  Local: http://127.0.0.1:8080/"
+hostname -I 2>/dev/null | tr ' ' '\n' | sed '/^$/d' | while read -r ip; do
+  echo "  LAN:   http://$ip:8080/"
+done