Implement Week 4 CAS store with chunk deduplication and LRU eviction

- Add musicfs-cas crate: CasStore, ChunkHash, FileReader, ChunkManifest - Add LruEviction policy to musicfs-cache for cache size management - Integrate FileReader into FUSE filesystem for actual file reads - Use xxHash64 for content hashing, sled for index, msgpack serialization - Default cache path: ~/.cache/musicfs/chunks/ with 256 subdirs sharding - 20 new tests (14 CAS unit + 3 integration + 3 eviction), 54 total
2026-05-12 18:43:39 +02:00
parent d9e5e06166
commit ffbb238633
15 changed files with 2204 additions and 14 deletions
@@ -6,6 +6,7 @@ edition.workspace = true
 [dependencies]
 musicfs-core = { path = "../musicfs-core" }
 musicfs-cache = { path = "../musicfs-cache" }
+musicfs-cas = { path = "../musicfs-cas" }
 fuser.workspace = true
 tokio.workspace = true
 tracing.workspace = true