Simplify codebase, add CI, rename packages to crates - #2
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- Fix TOCTOU race in CircuitBreaker by replacing RwLock with Mutex - Add token-bucket RateLimiter with configurable rate and burst - Sanitize error messages to avoid leaking token existence info - Add GitHub Actions CI pipeline (fmt, clippy, test, build) - Add cargo-deny config for dependency auditing - Optimize routing with Arc-wrapped snapshots and arena-based BFS - Add rustdoc to public APIs - Add integration tests for end-to-end flows
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- Rename packages/ to crates/ (idiomatic Rust structure) - Remove rust-toolchain.toml (was pinning to 1.82.0) - Remove CircuitBreaker (trips on normal business logic, not infrastructure failures) - Remove RateLimiter (no external clients to rate limit in simulation) - Rename BookMeta to OrderbookHealth with clearer field names - Add CLAUDE.md for AI tooling context - Update README with coverage instructions
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Summary
Refactored codebase for clarity and removed over-engineering. Key changes:
last_updated,has_valid_spread) instead of vague ones (updated_at,healthy)packages/tocrates/to follow Rust conventionsWhat remains
The core architecture is unchanged:
scc::HashMapfor lock-free concurrent orderbook accessTest plan
cargo clippycleancargo fmt --checkpasses