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docs: adopt the shared CueLABS Kafka bus in the system design - #244
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siyanbolagiggs1 wants to merge 5 commits into
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siyanbolagiggs1 wants to merge 5 commits into
siyanbolagiggs1 wants to merge 5 commits into
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Expendit, Apparule and Upstat share one Aiven Kafka service (boss, 2026-10-13), under the CueLABS delivery standard's shared-messaging.md: three lanes (cuelabs.uploads/requests/results), per-product event types, pointer-only payloads, no compacted topics, one Kafka user per product, and Expendit as the keep-alive owner. Added word for word in all three products' cross-cutting decisions.
The [Proposed] system design draft, awaiting the boss's ratification, with the 2026-10-13 shared-bus amendment (decisions.md X-11): this product's events on the CueLABS lanes (cuelabs.uploads/requests/results), pointer-only payloads, no compacted topics, and the sections that need rework before ratification.
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Summary
Apparule shares one Kafka service with Expendit and Upstat. This PR records
that decision and adds the proposed system design, amended to fit it.
docs/decisions.md: adds X-11 Shared message bus, identical inall three products. Expendit is the keep-alive owner; Apparule runs no
heartbeat or watchdog.
docs/system-design.md(new, [Proposed], awaiting ratification),with a shared-bus amendment:
capture.readyledger.reconcile_requested, bypointer; no compacted
ledger.entriesapparule, consumer groupsapparule-<service>.gitignore: ignores local copies of the CueLABS skills and personalnotes.
main.Related issues
Closes #243
Type of change
Affected areas
api/common(Go)api/<service>webmobiledeploydocs/,.gitignoreChecklist
feat:,fix:,chore:…)..envfiles are committed.Still to decide at ratification (S-9): consumers scale to zero with wake-ups,
as Expendit does, or run as worker pools.