Keep reviewed content through sync failures
How repository snapshots and published case studies have separate update paths.
Reviewed 2026-09-22
ENGINEERING NOTES
Notes from the work
Webhook delivery is not payment posting
Why the simulation keeps delivery attempts separate from ledger state.
Reviewed 2026-09-22
Idempotency at the request and ledger boundaries
How the playground handles repeated requests without posting a synthetic transfer twice.
Reviewed 2026-09-22