Display name for lists: base name (with size) then variant in brackets. split by "/"; base = length > 1 ? split[length-1] : name; prefix = length > 1 ? joinv(split[0:length-1]) : "". E.g. "roojs/glm-345" → "glm-345 (4.1 GB) [roojs]", "org/roojs/glm-345" → "glm- 345 (4.1 GB) [org/roojs]". Context is part of ModelUsage, not Model. Used for sorting and display in list models and CLI.