3 Commits

Author	SHA1	Message	Date
Alexander	32c96701c8	Implement Week 5 CDC & Delta Detection with Oracle fixes ... - Add CdcChunker using FastCDC v3 (16KB/64KB/256KB chunks) - Add DeltaDetector with scan_origin() returning ScannedFile (no FileId assignment) - Add OriginWatcher with inotify and 200ms debounce using tokio::spawn - Fix LocalOrigin::read() to loop until all bytes read - Add read_full() method to Origin trait - Add mtime field to ChunkManifest - Update ContentFetcher to use CDC chunking - Update bandwidth reduction test to assert >90% (NFR-6.4) Tests: 71 pass (+11 new)	2026-05-12 20:05:44 +02:00
Alexander	c46750b1ec	Implement Week 4b Origin-CAS connector for cache-miss handling ... - Add ContentFetcher bridging Origin→CAS on cache miss - Integrate fetcher into FileReader via with_fetcher() constructor - Add get_or_fetch_manifest() for lazy manifest loading - Emit FileAccessed events per FR-18.1 via EventBus - Add 2 integration tests for e2e fetch flow - Test count: 60 (was 54)	2026-05-12 19:04:48 +02:00
Alexander	ffbb238633	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