Development tools for Zephyr on STM32Workbench for Zephyr: VS Code extension to set up, build, flash and debug Zephyr applications on STM32.Devicetree manager: browse, edit and visualize Zephyr devicetree, STM32CubeMX-like for Zephyr.
Please have a look to attached snapshot .. if helping.
If not, please could you help me sharing your current Operating system (windows, mac, ... ?) and System Workbench for STM32 release number ?