Return 404 for whitespace path on issue POST, add seed-field validation
tests, inline Postgres ListForPlayer active query, Postgres list test,
Bruno whitespace-path 404 check, and strike through resolved review items.
Durable per-player contract instances (one active) and append-only
outcome audit rows, mirroring NEO-116/135 store patterns with V011/V012
migrations, AAA tests, README docs, and Bruno health smoke.