[matrixarkai]

Summary

• wake Unix star fanout on socket readability or writability instead of a fixed idle timer
• preserve shared deadlines, membership order, complete exchange collection, and no mutation replay
• retain the existing one-millisecond fallback on non-Unix platforms
• pin the readiness behavior in CI and document isolated local WSL measurements

Validation

• 696 library tests passed; 33 ignored
• all targets and all features compile with the lockfile
• complete replica-set, state-transfer, restart-recovery, process-isolation, and distinct-peer test surfaces passed
• authenticated TLS persistent star connections passed
• five-replica repair with three metadata voters passed for 256 pages, 37 batches, and 1,280 verified copies after failover and restart
• isolated zero-delay release runs reduced median star-write latency from 2.498–2.600 ms to 0.833–0.861 ms and increased throughput from 379–392 to 1,093–1,130 operations per second