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Implement Week 2 metadata extraction and cache database

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Week 1 fixes:
- Move hex to workspace dependencies
- Add cargo-criterion, protobuf, grpcurl to flake.nix

Week 2 implementation:
- musicfs-metadata: MetadataParser with symphonia 0.5 for FLAC, MP3,
  Opus/Vorbis, M4A/AAC (2 tests)
- musicfs-cache: SQLite schema per architecture 4.3.6 with track/disc
  columns, TEXT content_hash, all required indexes
- musicfs-cache/db.rs: Database with upsert, CRUD, mtime lookup (9 tests)
- musicfs-cache/metadata.rs: MetadataCache with store/lookup/is_fresh/
  invalidate (2 tests)
- musicfs-core: Added Metadata error variant

22 tests pass total. Oracle-verified against architecture doc.
This commit is contained in:
Alexander
2026-05-12 18:15:44 +02:00
parent 76856b893a
commit d664439746
13 changed files with 1289 additions and 12 deletions
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musicfs/Cargo.lock
Generated
+455 -9
View File
@@ -2,12 +2,30 @@
# It is not intended for manual editing.
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"serde",
@@ -770,7 +1196,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
dependencies = [
"byteorder",
"zerocopy-derive",
"zerocopy-derive 0.7.35",
]
[[package]]
name = "zerocopy"
version = "0.8.48"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "eed437bf9d6692032087e337407a86f04cd8d6a16a37199ed57949d415bd68e9"
dependencies = [
"zerocopy-derive 0.8.48",
]
[[package]]
@@ -784,6 +1219,17 @@ dependencies = [
"syn",
]
[[package]]
name = "zerocopy-derive"
version = "0.8.48"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "70e3cd084b1788766f53af483dd21f93881ff30d7320490ec3ef7526d203bad4"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "zmij"
version = "1.0.21"