Adds capability_status: has|none|pending to every roster row (10 has /
51 pending currently), a coverage_ratio headline, and splits the gap
report's empty-scaffold section into unclassified vs explicitly-none.
Adds templates/NO_CAPABILITIES.template.md for the no-capability marker.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Add hub sync and report cohorts CLI commands with pytest coverage, document
sibling index publish contract and hub hardening path, align INTENT layout,
raise external evidence on three registry entries, and close gap priorities
19-23 (priority 18 deferred on sibling index blocks).