- Adds get_stack_path() helper: returns /opt/gbo in production (.env without botserver-stack), ./botserver-stack in dev
- Adds get_work_path() helper: returns /opt/gbo/work in production, ./botserver-stack/data/system/work in dev
- Updated 35+ files to use dynamic path resolution
- Production system container no longer needs botserver-stack directory
- Work files go to /opt/gbo/work instead of /opt/gbo/bin/botserver-stack