The row-matchfinder reset path only used its C callback to read the private
hashSaltEntropy scalar and invoke Rust. Replace that callback slot with the
existing 32-bit scalar, keep the ABI offsets pointer-sized on 32-bit and
64-bit targets, and update the salt directly in Rust at the row-table reset
point. Preserve the C workspace callbacks and verify the real salt transition
in the reset-policy test.
Test Plan:
- ulimit -v 41943040; CARGO_BUILD_JOBS=1 cargo check --manifest-path rust/Cargo.toml --tests
- ulimit -v 41943040; make -j1
- ulimit -v 41943040; CARGO_BUILD_JOBS=1 cargo clippy --manifest-path rust/cli/Cargo.toml --all-targets -- -D warnings
- ulimit -v 41943040; make -j1 -C tests test
ddidderr
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