# Module Split Review

## Scope

- Issue: #16
- Branch: `refactor/module-split`
- Baseline: `origin/develop`
- Change type: behavior-preserving module split for the initial foundation crates.

## Reviewed Changes

- `bluetape-rs-core`: split `lib.rs` into `error`, `number`, `string`, `hex`, and `tests` modules.
- `bluetape-rs-logging`: split `lib.rs` into `correlation`, `capture`, `subscriber`, and `tests` modules.
- `bluetape-rs-test`: split `lib.rs` into `async_assert`, `concurrent`, `temp_dir`, and `tests` modules.
- Root public APIs remain available through `pub use` re-exports.

## 7-Tier Review Summary

- Tier 1 API compatibility: PASS. Existing public names remain re-exported from crate roots.
- Tier 2 behavior preservation: PASS. Existing unit and doctests pass after the split.
- Tier 3 Rust module boundaries: PASS. `lib.rs` files now act as crate entrypoints and module maps.
- Tier 4 tests: PASS. `cargo test --workspace` passed.
- Tier 5 lint/static checks: PASS. `cargo clippy --workspace --all-targets --all-features -- -D warnings` passed.
- Tier 6 docs: PASS after fixing reviewer-identified Rustdoc loss on moved public items.
- Tier 7 reviewer gate: PASS. Native `code-reviewer` reported `P0=0 P1=0`; one P2 Rustdoc issue was fixed before commit.

## Findings

- P0: 0
- P1: 0
- P2: 0 after Rustdoc restoration
- P3: 0

## Validation

- `git diff --check`: PASS
- `cargo fmt --all --check`: PASS
- `cargo test --workspace`: PASS
- `cargo clippy --workspace --all-targets --all-features -- -D warnings`: PASS
- `cargo doc --workspace --no-deps`: PASS

## Residual Risk

The refactor is intentionally structural. It does not add new behavior, new tests, or new public API names. Residual risk is limited to accidental re-export drift, covered by compilation, doctests, and existing public API tests.
