Zephyr Workbench, a VSCode extension to manage Zephyr on STM32.
It enables users to easily create, develop, and debug Zephyr applications.
Main features:
Install host dependencies.
Import toolchain and SDK.
Create, configure, build and manage apps.
Debug STM32.
You can directly download it from the VSCode marketplace
For more details, visit the Zephyr Workbench
You talk of the “GDB OpenOCD Debugging” configuration. You should use the “Ac6 STM32 Debugging” configuration, not the “GDB Hardware Debugging” configuration. The Ac6 is based on the CDT GDB support, but it is an extended, tailored, configuration.