CS-API-003 · API Application APIs, event streams and SaaS intake · 45 of 192
Consume a durable message stream
Integration Engineer · Trigger: Data is available through a broker or queue.
Simulated fixture data. Every record, receipt and timeline entry on this screen is demonstration material. It is never production evidence.
Acceptance
2 of 3 steps satisfiedRestart and rebalance tests will preserve offsets and make duplicate dispositions observable.
Run the remaining steps below. The result is read back from record state — nothing here is a toast.
Normal path
An application API or event stream is acquired with a pinned contract and a backlog inside budget.
Step 1. Test acquisition, pagination and checkpoint recovery.
not yet satisfiedacquisitiondegradedcontractsupersededbacklogwithin budget
Moves the record and writes evidence. Permission: test.
Acceptance for this step: acquisition = healthy
Step 2. Pin the contract version the acquisition depends on.
satisfiedacquisitionhealthycontractcurrentbacklogwithin budget
Separation of duties: Integration Engineer may not do this. Act as
Acceptance for this step: contract = current
Step 3. Drain the backlog back inside its budget.
satisfiedacquisitionfailedcontractpendingbacklogwithin budget
Moves the record and writes evidence. Permission: remediate.
Acceptance for this step: backlog = within budget
Exception path
Group rebalance or redelivery will not silently reset consumption history.
Alternate path. The provider changes shape or rate-limits: raise the incident against the acquisition stage.
satisfiedtriagein reviewimpactblockedremediationproposed
Moves the record and writes evidence. Permission: remediate.
Acceptance for this step: triage = in review
Workflow as specified
CoreSync will configure subscription groups, partition scope, offsets and acknowledgement behavior, then resume under the connector's declared delivery guarantees.
Evidence written in this session
Nothing run yet in this session. Record state shown above may already satisfy steps from the seeded fixture history.
Journeys that include it
Not part of a composite journey; exercised through its family views.