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lightcraft/crates/catalog/Cargo.toml
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Brandon ThomasandClaude Opus 5.5 db6242d2d3 Issue #37: Catalog: instrument persistence (append, snapshot stages) and whole-frame update time
- Journal::stats(): last/max append time (encode + write + sync_data), snapshot count, last
  snapshot by stage (serialise, write+sync+rename, log reset, bytes, records), slowest
  snapshot. Reported by `library.info` → `persistence`; printed per write to stderr under
  LIGHTCRAFT_PROFILE.
- UI: `perf.frame_ms` only covers layout (`LightcraftApp::ui`); `logic()` (control channel,
  shortcuts, render polling, `persist_if_dirty`) ran untimed. Add `logicMs`, `updateMs`
  (logic + layout) and `maxUpdateMs` to `ui.inspect` → perf and a "Frame update" row to
  Help ▸ System Info.
- `crates/catalog/examples/persist_bench.rs`: synthetic 1k/10k/85k-photo catalogs (90 % Local
  browse records) on FsStore: append latency, compaction at the 2,000-record threshold, load.

Baseline (release, load avg ~240, so absolute times are inflated; median of 3 compactions):
  1k photos  (3.6 MB snap): append 7 ms, compaction 31 ms (serialise 5, write+sync 12, reset 14)
  10k photos (36.5 MB):     append 15 ms, compaction 528 ms (serialise 463, write+sync 56)
  85k photos (310 MB):      append 12 ms, compaction 4.6 s (serialise 2.2-4.4 s, write+sync
                            0.25-0.8 s); peak RSS 963 MB; load 4.7 s

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-04 15:43:13 -04:00

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TOML

[package]
name = "lightcraft-catalog"
version.workspace = true
edition.workspace = true
license.workspace = true
description = "LightCraft library: photos, albums, ratings/flags, search/filter/sort, op-log persistence (L3)"
[lints]
workspace = true
[dependencies]
lightcraft-develop = { workspace = true }
serde = { workspace = true }
serde_json = { workspace = true }
thiserror = { workspace = true }
crc32fast = { workspace = true }
log = { workspace = true }
web-time = { workspace = true }
[dev-dependencies]
proptest = { workspace = true }