update docs for phase 0 completion

ARCHITECTURE: LazyLock, tracked Cargo.lock, dedup'd foundry.json, warnings
cleared. ROADMAP: phase 0 checkboxes closed; MODERNIZE: lazy_static marked
applied, rest pending.

ARCHITECTURE.md

@@ -20,12 +20,12 @@ notes, and contacts.
 - Leptos 0.8.20 (SSR + hydration), reactive_stores 0.4.3 for state
 - leptos_actix 0.8.7 + actix-web 4 for the server
 - nucleo-matcher for fuzzy item search, num-format for number display,
-  chrono for dates, lazy_static for one-time data loading
+  chrono for dates, std::sync::LazyLock for one-time data loading
 - SCSS sources in `style/` (compiled by cargo-leptos)
 - Bundled game data in `data/` (5e.tools-format JSON, ~3.9 MB total)
 
 Features: `ssr` (server binary), `hydrate` (WASM), `csr` (optional pure-client
-mode for `trunk`). `Cargo.lock` is gitignored.
+mode for `trunk`). `Cargo.lock` is tracked for reproducible builds.
 
 ## Directory layout
 
@@ -73,10 +73,9 @@ nothing is persisted. The header's Save/Load/Clear buttons do nothing yet
 
 ## Data layer (items)
 
-- `statics::ITEMS_REFS` is a `lazy_static` map of name → `BookItem`, built
+- `statics::ITEMS_REFS` is a `LazyLock` map of name → `BookItem`, built
   once by `utils::read_items` over the bundled JSON files (`items.json`,
-  `base.json`, `foundry.json` loaded twice — a known duplication — and
+  `base.json`, `foundry.json`, `magic.json`), roughly 5k items.
-  `magic.json`), roughly 5k items.
 - `BookItem` keeps `name`, `weight`, `rarity`, and `rest`, which holds all
   other JSON fields verbatim for future detail views.
 - Duplicate names merge: the later entry fills a missing weight and appends
@@ -155,11 +154,10 @@ currently mounted on any page.
 - Prepared spells list is empty; `Spell` is a name-only stub; attunements
   have no UI; `Settings` is empty
 - Save/Load/Clear buttons and the item "+"/"…" buttons are dead
-- `foundry.json` is loaded twice; ~3.9 MB of JSON is bundled into the WASM
+- `foundry.json` was loaded twice (fixed); ~3.9 MB of JSON is bundled
-  and parsed on startup
+  into the WASM and parsed on startup
-- Several unused dependencies (`leptos-use`, `dotenvy`,
+- Several unused dependencies (see `MODERNIZE.md`); kept for now by
-  `pretty_env_logger`, `seq_macro`, `itertools`, `thiserror`) and 12
+  decision
-  compiler warnings
+- `Cargo.lock` is tracked since 2026-08-04; builds are reproducible
-- `Cargo.lock` is gitignored, so builds are not reproducible
 
 See [ROADMAP.md](./ROADMAP.md) for the ordered plan to fix these.

MODERNIZE.md

@@ -8,10 +8,11 @@ Status notes:
 - Every "unused" claim below was verified with a grep: 0 references in `src/`.
 - Toolchain decision: stay on nightly (channel = "nightly"). The stable-Rust
   item is listed for awareness only.
-- The item 3.2 note about the double `foundry.json` load stays true.
 - Dependency decision (2026-08-04): `itertools`, `thiserror`, `anyhow`,
   `pretty_env_logger`, `dotenvy` stay for certain. The rest of section 1
   is under consideration.
+- Applied 2026-08-04: `lazy_static` → `std::sync::LazyLock` (section 2.1).
+  Everything else in this file is still pending.
 
 ## 1. Unused dependencies
 
@@ -35,7 +36,8 @@ under consideration.
 ## 2. Replace crates with std or small local code
 
 1. **`lazy_static` → `std::sync::LazyLock`** (stable since 1.80).
-   Rewrite `src/statics/mod.rs`:
+   APPLIED 2026-08-04: `src/statics/mod.rs` now uses `LazyLock`;
+   `lazy_static` removed from `Cargo.toml`. Reference sketch:
 
    ```rust
    use std::sync::LazyLock;

ROADMAP.md

@@ -54,16 +54,19 @@ The MVP is done when a player can run a real session with the app:
 
 Cheap, unblocks the rest. Can happen any time; do it first.
 
-- [ ] rewrite README (currently the stock template)
+- [x] rewrite README (currently the stock template)
-- [ ] deduplicate `foundry.json` load in `src/statics/mod.rs` (loaded twice)
+- [x] deduplicate `foundry.json` load in `src/statics/mod.rs` (loaded twice)
-- [ ] clear compiler warnings (unused imports, unused `qty` in `item.rs`)
+- [x] clear compiler warnings (unused imports, unused `qty` in `item.rs`)
-- [ ] decide Cargo.lock policy — currently gitignored, builds are non-reproducible; commit it
+- [x] decide Cargo.lock policy — currently gitignored, builds are non-reproducible; commit it
-- [ ] dependency and idiom cleanup — see `MODERNIZE.md` (drop unused deps,
+      (done: committed 2026-08-04)
+- [~] dependency and idiom cleanup — see `MODERNIZE.md` (drop unused deps,
       `lazy_static` → `LazyLock`, local replacements for `num-format`/`num-traits`)
-- [ ] decide on the under-consideration unused deps from `MODERNIZE.md`
+      (done: `lazy_static` → `LazyLock` only; the rest stays pending)
+- [~] decide on the under-consideration unused deps from `MODERNIZE.md`
       (`seq-macro`, `leptos-use`, `http`, `console_log`, `js-sys`); the rest
       (`itertools`, `thiserror`, `anyhow`, `pretty_env_logger`, `dotenvy`) stay
-- [ ] replace `end2end/tests/example.spec.ts` with a smoke test (app boots, nav renders, no console errors)
+      (decision: nothing removed; revisit later)
+- [x] replace `end2end/tests/example.spec.ts` with a smoke test (app boots, nav renders, no console errors)
 
 ## Phase 1 — Persistence: localStorage + JSON export/import (L, ~3-5 days)