Claude 4.0 Sonnet VR: Add prompt versioning for VR under a FF

This issue is part of Claude 4.5 Sonnet Vulnerability Resolution Roll... (#545698) • Charlie Kroon • 18.8 • At risk and Implementation Plan (https://gitlab.com/gitlab-org/gitlab/-/issues/545698#%EF%B8%8F-implementation-plan) for Milestone 1:

Add prompt versioning for VR under a FF (Similar to Add prompt versioning for completions of resolv... (!183607 - merged) • Nathan Weinshenker • 17.11)