fix

README.md

@@ -2,6 +2,8 @@
 
 CAN bus sniffer and SAE J1939 protocol analyzer. Reads CAN frames from an external process (e.g. `candump`), decodes them using a J1939 Digital Annex (xlsx), and presents results in an interactive terminal UI or as JSON output.
 
+[![asciicast](https://asciinema.org/a/uliPOLa1MtVvnjvL.svg)](https://asciinema.org/a/uliPOLa1MtVvnjvL)
+
 ## Features
 
 - **TUI mode** -- full-screen interactive terminal interface (FTXUI). Multiple display modes per CAN ID: deployed, brief, verbose, manual, little-endian

src/mainform.cpp

@@ -281,7 +281,7 @@ ftxui::Component makeMainForm(ftxui::ScreenInteractive *screen, signals_map_t &s
                                     ftxui::vscroll_indicator | ftxui::frame | ftxui::flex;
                            })),
 
-                          ftxui::Renderer([]() { return ftxui::separatorEmpty(); }),
+                          ftxui::Renderer([]() { return ftxui::separator(); }),
 
                           ftxui::Container::Horizontal({
                               ftxui::Checkbox({