Revision history for Data::Stack::Shared

0.03  2026-04-26
    - MPMC per-slot state machine + file format v2
    - strict fd validation; drain() test coverage
    - stk drain: CAS-loop -> atomic exchange
    - idempotent eventfd; aarch64 CI matrix


0.02  2026-04-12
    - Add drain() — concurrency-safe alternative to clear()

0.01  2026-04-11
    - Initial release
