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.
Apparently you can go down to the console panel and type "monitor reset halt" and it will work. As for the button, yeah, I've been using terminate and relaunch for a long time. Less now.