Core foundation · v1
One secure source of truth for every business you run.
LS Core holds customers, catalogs, orders, invoices and payments for each business group — and serves them to Lumera Books, the Sales CRM and Ops Hub through audited, tenant-scoped APIs.
Isolation in Postgres
Row Level Security on every table. Business groups never see each other's rows.
Hashed, scoped keys
Service APIs authenticate keyed hashes. Shown once, scoped, revocable.
Signed outbox
Every change emits an event, delivered with HMAC-SHA256 and retried with backoff.
Append-only audit
Every create, update, archive, reveal, payment and API call is recorded.