Validates scenarios/<topic>.md frontmatter against config.yaml roles, creates
skeleton transcript and working buffer, appends to log. Runner invocation is
out of scope (skill prepares artifacts only).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Registers a persona in config/config.yaml (SoT) and generates the
.wiki/entities/persons/<role-id>.md card. Round-trip YAML edit, append-only
log. Only writer of entities/persons/.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>