{
  "checker": {
    "details": {
      "argv": [
        "/workspace/coda"
      ],
      "kind": "cli",
      "needs_browser": false,
      "needs_credentials": false,
      "returncode": 0,
      "scope": "product operation",
      "stderr": "Coda ISA [release] eval=avx2 movegen=pext cpu[avx2=true avx512f=false avx512bw=false avx512vnni=false avxvnni=false bmi2=true] build-floor[avx2=true avx512f=false]",
      "stdout": "info string TT 64 MB via aligned heap + THP (1048576 buckets); hugepages: TT -> thp 100%\ninfo string hugepages: PSQ weights 24 MB -> thp 100%\ninfo string hugepages: threat weights 66 MB -> thp 98%\ninfo string Loaded 66864 threat features (66864\u00d71024, 65MB)\ninfo string Loaded 1488 pawn-pair features (1488KB, sharing the threat feature space)\ninfo string Loaded NNUE v11 <embedded> pairwise dual consensus-kb threats=66864 (FT=1024 L1=16 L2=32)\ninfo string AVX2 SIMD detected \u2014 using vectorised NNUE inference\ninfo string SCReLU int8 quantization: max_err=0.5 avg_err=0.14\ninfo string maddubs-pair fusion: safe (weights within the saturation bound)\ninfo string L1 kernel selected: DenseAvx2L1_16X2\ninfo string shared weights: PSQ 24 MB shared, threat 66 MB shared; shmem THP never\nid name Coda 0.9.4-nogit\n[excerpt truncated]",
      "working": true
    },
    "status": "PASS"
  },
  "main_blocker": null,
  "operation": "Built Coda with `make` (README 'Build from Source'), then ran the UCI engine over stdin: uci -> isready -> position startpos -> go depth 8 -> quit. Observed uciok, readyok, and 'bestmove a2a3'.",
  "operation_scope": "CLI/UCI only. Verified the embedded-net binary runs and searches. Not run: the full test suite, lint, PGO, OpenBench, Syzygy/book files, and the cargo-only build. No MCP server or browser is involved, so CDP_URL was not used.",
  "outcome": "working",
  "steps": [
    "Read README.md and Makefile; net.txt points to the v0.9 net URL",
    "Installed rustup stable toolchain (cargo 1.99.1) via sh.rustup.rs",
    "apt-get install -y build-essential make (provides cc)",
    "make: downloaded net-0F08CC1B.nnue (95 MB), then built the coda binary (~34 s on the rebuild)",
    "Added a 4G swapfile after rustc was OOM-killed on the 1.8 GB VM",
    "Ran ./coda with a UCI script; exit 0, bestmove returned",
    "Wrote .coldpass/probe.json, observed.json, report.json"
  ],
  "stuck_step": null,
  "suggested_fix": null
}