Party-link cross-human leak + account-level backfill

Fixkamo-shared-library
Shipped
July 6, 2026 at 1:41 AM UTC
Author
Kamo
Commit
b315a50

Adversarial-review fixes: - HIGH: drop the memberId dedup that conflated the loan's isPrimary borrower with the account OWNER — a member self-creating a loan for a family member collapsed two humans onto one vault party (cross-human doc/PII leak). Dedup now on SSN-last4+DOB ONLY, and require a compatible last name so a last-4 collision (e.g. twins) never merges two people. - ensurePartyLinksForAccount + **************** account-scoped self-heal so the staff Documents tab populates for existing accounts.

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