v0.2.30

Summary

• Preserves consumer partition position and leader epoch across classic and KIP-848 assignment rebuilds.
• Publishes coordinated kafrust-protocol and kafrust 0.2.30 crates.

Verification

• Complete 17-job Live Kafka Smoke: https://github.com/TaeeunKil/kafrust/actions/runs/31761642197
• Published Crate Smoke, seven profiles: https://github.com/TaeeunKil/kafrust/actions/runs/31762679537
• Both docs.rs pages returned HTTP 200.
• Local workspace check, tests, Clippy, docs, package, and diff gates passed.

Known limits

• Alpha release; this is not complete rust-rdkafka parity or Kafka broker replacement.
• See docs/roadmap.md, docs/compatibility.md, and docs/migration-from-rust-rdkafka.md for supported paths and remaining qualification limits.