Roadmap: `prd/roadmap/sec.md` `sponsor-family` and `underwriter-family` resolver kinds explicitly refuse `coverage` / `drop-previous` / batch `resolve` (PR4 fix). Implement version-scoped purge/coverage for family-tier link tables.
Roadmap:
prd/roadmap/sec.mdsponsor-familyandunderwriter-familyresolver kinds explicitly refusecoverage/drop-previous/ batchresolve(PR4 fix). Implement version-scoped purge/coverage for family-tier link tables.