message: logging bits (no-op)
diff: @@ -543,10 +543,10 @@ void Contour::onKey(int _key, int _scanCode, int _action, int _mods)
  // else if (modifier_ && modifier_ != terminal::Modifier::Shift) // Debug print unhandled characters
  // {
  // char const* cstr = glfwGetKeyName(_key, _scanCode);
  - // cerr << fmt::format(
  - // "key:{}, scanCode:{}, name:{} ({})",
  + // logger_(terminal::TraceInputEvent{fmt::format(
  + // "unhandled key: {}, scanCode: {}, name: {} ({})",
  // _key, _scanCode, cstr ? cstr : "(null)", terminal::to_string(modifier_)
  - // ) << endl;
  + // )});
  // }
  }
  else if (_action == GLFW_RELEASE)
  