Revision history for EV-Etcd

0.02  2026-02-10
    - Initial release
    - KV operations: get, put, delete, range, txn (compare-and-swap)
    - Watch with bidirectional streaming and auto-reconnect
    - Lease: grant, revoke, keepalive, time-to-live, leases
    - Lock and unlock tied to leases
    - Election: campaign, proclaim, leader, resign, observe
    - Cluster: member list/add/remove/update/promote
    - Maintenance: status, compact, defragment, alarm, hash_kv, move_leader
    - Auth: user/role management, authenticate, enable/disable
    - Health monitoring with configurable interval and callback
    - Automatic retries for transient gRPC failures
    - Multiple endpoint support with failover
    - Structured error callbacks ({code, message, source})