message: [vtbackend] Terminal: API cleanup
diff: @@ -563,7 +563,6 @@ class Terminal
  bool processInputOnce();
  void markScreenDirty() noexcept { _screenDirty = true; }
  - [[nodiscard]] bool screenDirty() const noexcept { return _screenDirty; }
  [[nodiscard]] uint64_t lastFrameID() const noexcept { return _lastFrameID.load(); }
  