Jason design directive: the HMI agent name must be user-chosen or
system-generated at config, carried as roster/profile data. 'Tess' is
default/example + build codename only. M2 exit gate must prove a distinct
name provisions with zero code change.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QDgorbfgN4Fgi1iHGkgndn
