Vyasa KG — ACL (viewer-mask) Engine + UI Handoff Prompt

The ACL model (locked)URL copied

Roles in SIFT (@acl in kg.schema)URL copied

cls_external, cls_internal, cls_eng. Grants: cxo→all; biz→external+internal; lead→internal+eng; dev→eng; ext→external. 12 people mapped to roles by full name.