KIP-1095 — Kafka Canary Isolation

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Proposes a Kafka Canary service that sends small probe messages through the full produce/consume path in isolation from production traffic, enabling SLA monitoring and early detection of deployment-induced failures. Even with thorough testing, bad deployments (misconfiguration, untested scenarios) can cause silent data loss or latency regressions that only manifest in production, requiring an automated canary layer separate from business traffic.

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