654797a429
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lakehouse/auditor 10 blocking issues: cloud: claim not backed — "Verified end-to-end against persistent Go stack on :4110:"
Supports the 2026-05-02 cross-runtime parity probe at
golangLAKEHOUSE/scripts/cutover/parity/extract_json_parity.sh which
feeds identical model-output strings through both runtimes' extract_json
and diffs results.
## Changes
- crates/gateway/src/v1/iterate.rs: extract_json gains `pub` + a
comment pointing at the Go counterpart and the parity probe path
- crates/gateway/src/lib.rs: NEW thin lib facade re-exporting the
modules so sub-binaries can reuse them. main.rs is unchanged
(still uses local mod declarations)
- crates/gateway/src/bin/parity_extract_json.rs: NEW ~30-LOC binary
that reads stdin, calls extract_json, prints {matched, value} JSON
## Probe result (logged in golangLAKEHOUSE)
12/12 match across fenced blocks, nested objects, unicode, escaped
quotes, top-level array, malformed JSON. Both runtimes' algorithms
are genuinely equivalent.
Substrate gate the probe enforces: `cargo test -p gateway extract_json`
PASS before any parity comparison runs. So a future divergence in
the live extract_json fires either as a Rust test failure (live
behavior changed) or a probe diff (Go behavior changed) — never
silently.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>