{
  "approach": "Planned two-pass coordinate search restricted to YQ toxicity constants. Stopped during the prescribed toolchain setup, before fetching YQ or running any candidate.",
  "tried": [],
  "next": "Provide a runtime with a working C compiler/linker (cc), then rerun the prescribed setup and tuning task.",
  "code": null,
  "code_sha256": null,
  "delta": null,
  "score": {
    "seed_start": 0,
    "n": 0,
    "mean_edge": null,
    "se": null
  },
  "paired": {
    "reference": "YQ 00fae418",
    "seed_start": 500000,
    "n": 0,
    "mean_diff": null,
    "se": null,
    "worst": []
  },
  "seconds_per_simulation": null,
  "validate_ok": false,
  "blocked": "Step: maturin develop --release --uv --manifest-path amm_sim_rs/Cargo.toml. Command exited 1. Error: linker `cc` not found; No such file or directory (os error 2). Could not compile proc-macro2 and quote build scripts. maturin failed: Failed to build a native library through cargo; Cargo build finished with exit status: 101. Stopped immediately as required. Starter and YQ validation, tuning, scoring, and held-out comparison were not run.",
  "citations": []
}