magpie-security-model-prepare

Front door for a project that has no published security model yet. Opens the conversation with <governance-body> on the private list, drives production of a first draft — delegating the model-writing itself to the Alpha-Omega threat-model skill set — in draft-first mode so maintainers react to concrete prose instead of composing from a blank page, then lands the model and its AGENTS.md → SECURITY.md discoverability…