Module fixed_replication 

Replication for the FixedStore backend.

Separate module from crate::replication (Bitcask). Separate port, protocol, and lifecycle. See armdb/docs/superpowers/specs/2026-04-17-fixed-replication-design.md.

Re-exports

pub use apply::ApplyOutcome;

pub use apply::FixedReplicationTarget;

pub use client::FixedReplicationClient;

pub use cursor::FixedReplicationCursor;

pub use engine_access::ArcEngine;

pub use engine_access::FixedEngineAccess;

pub use event::FixedReplicationEvent;

pub use server::FixedReplicationServer;

Modules

apply

Follower apply trait. Concrete impls for ConstTree and ConstMap live in Tasks 22-23.

client

Follower-side replication client for FixedStore.

cursor

Per-shard diagnostic cursor for the FixedStore replication follower.

engine_access

Trait abstracting the leader engine for the replication server. Lets tests mock engine behavior and keeps server code decoupled from FixedEngine.

event

SPSC event payload pushed by leader’s write_slot / delete_slot and consumed by the replication server.

protocol

Wire protocol for FixedStore replication.

server

Leader-side replication server for FixedStore.