// SPDX-License-Identifier: AGPL-3.0-only //! Server-side persistence: the durability layer over the `shared` save format. //! //! `shared::save` owns the pure, in-memory framing (the `SYNR` index and `SYNC` records). //! This module owns the filesystem side: reading a `.region` file into memory, mutating its chunks, and flushing it back to disk crash-safely. The write strategy is a whole-file atomic rewrite (`.tmp` + fsync + rename); the on-disk format is unchanged. mod region_actor; mod region_file; pub use region_actor::{SaveActor, SaveRequest}; pub use region_file::{REGION_SIZE, RegionFile, region_coords, region_path};