KIP-1049 — Add config log.summary.interval.ms to Kafka Streams

Accepted Kafka 3.9 Streams

KIP-1049 adds the `log.summary.interval.ms` configuration to Kafka Streams, controlling how frequently thread-level summary statistics are logged (default 2 minutes). The hardcoded 2-minute interval cannot be adjusted, causing log pollution in busy production environments and insufficient visibility in debugging scenarios.

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