The count drifted repeatedly (8/10/11/12, plus README-vs-AGENTS mismatches)
because it was hardcoded in three places. Drop the number from README (status +
heading) and AGENTS; the crate table + Cargo.toml members are the source of
truth, so adding/removing a crate only touches the table.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>