A transaction or group the engine could not clear, with its assignment, age, anomaly score, investigation notes and resolution.
Volume
Hundreds to tens of thousands per tenant per period
Retention
Audit period
Entity attributes12
status
Model retraining must be scheduled and versioned, with the ability to identify which model version produced a given prediction.
resolution_category
first_identified_at
investigation_notes
exception_id
Every transactional row must carry a tenant identifier from the outset, even in a single-tenant deployment.
account_id
Exact decimal arithmetic end to end — database column, ORM mapping, API serialisation and client. Floating point anywhere in the chain is disqualifying.