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  "commit": "6aede631f6748887d080be105b4464746c08f5e2",
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  "stuck_step": "README '## Build' -> cmake --build build -j",
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  "checks": [
    {
      "check": "operation",
      "status": "FAIL",
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  "source": "https://github.com/jay7828/dooms",
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  "steps": [
    "cd <host-path> && ls -la && cat README* 2>/dev/null | head -300",
    "cd <host-path> && git log -1 --oneline 2>/dev/null; ls .github/workflows 2>/dev/null; echo \"CDP=$CDP_URL $<env-var>\"; which node npm python3 pip3 uv 2>&1",
    "cd <host-path> && uname -m && uname -s && (python3 -m venv .venv 2>&1 | tail -3) ; ls .venv/bin 2>/dev/null | head; which cmake ninja gcc g++ 2>&1; ls <host-path> 2>&1",
    "cd <host-path> && rm -rf .venv && (sudo apt-get update -qq && sudo DEBIAN_FRONTEND=noninteractive apt-get install -y -qq python3-venv cmake ninja-build build-essential git >/tmp/apt.log 2>&1; echo apt=$?) && python3 -m venv .venv && .venv/bin/pip install -q cmake ninja numpy 2>&1 | tail -3; echo pip=$?; export PATH=\"$PWD/.venv/bin:$PATH\"; cmake --version | head -1",
    "cd <host-path> && export PATH=\"$PWD/.venv/bin:$PATH\" && export NODE_USE_ENV_PROXY=1 && timeout 900 cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Release 2>&1 | tail -40; echo rc=${PIPESTATUS[0]}",
    "cd <host-path> && export PATH=\"$PWD/.venv/bin:$PATH\" && timeout 1500 cmake --build build -j 2>&1 | grep -iE \"error|Error|FAILED\" | head -30; echo rc=${PIPESTATUS[0]}",
    "cd <host-path> && grep -nE \"option\\(|APPLE|Metal|CoreML|if\\(NOT APPLE|message\\(FATAL\" CMakeLists.txt | head -40; ls <host-path>; sed -n 1,40p <host-path> | head -60",
    "cd <host-path> && ls -la .coldpass 2>&1; mkdir -p .coldpass && cat > .coldpass/probe.json <<'EOF'\n{\"checks\":[]}\nEOF\ncat > .coldpass/report.json <<'EOF'\n{\"outcome\":\"unsupported\",\"operation\":\"Attempted README Build section: python3 -m venv .venv && pip install cmake ninja numpy; cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Release; cmake --build build -j. No working operation was exercised.\",\"operation_scope\":\"README states dooms.cpp is Apple Silicon macOS only (Metal and Core ML). Guest is Linux x86_64 with GCC 13. Core library and tests cannot be built here; no runtime or MCP surface exists to start.\",\"steps\":[\"apt-get install python3-venv cmake ninja-build build-essential git\",\"python3 -m venv .venv && .venv/bin/pip install cmake ninja numpy\",\"cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Release (succeeded, llama.cpp CPU backend configured)\",\"cmake --build build -j (failed)\"],\"deviations\":[\"README '## Build' step 'python3 -m venv .venv' failed: ensurepip missing; ran apt-get install python3-venv then recreated the venv\",\"'cmake --build build -j' failed: CMakeLists.txt links -framework Metal/CoreML unconditionally, and src/backend/metal/metal_backend.mm fails with 'c++: error: unrecognized command-line option -fobjc-arc' on GCC; src/format/gguf.cpp:65-78 fails under -Werror=maybe-uninitialized. Not fixed: source edits are not permitted and no Linux build option exists.\"],\"stuck_step\":\"README '## Build' -> cmake --build build -j\",\"main_blocker\":\"Product is Apple Silicon macOS only; Metal and Core ML frameworks are required and unavailable on Linux.\",\"suggested_fix\":\"Run on an Apple Silicon macOS guest (pip install dooms-cpp per README 'Use it', or the Build section there). Linux is not a supported target for this pinned commit.\"}\nEOF\n<env-var>=<host-path> python3 -I <host-path> --validate; echo rc=$?"
  ],
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  "reasoning": "low",
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  "tool_transport": "mcp-assigned-vm",
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  "profile": {
    "model": "claude-haiku-5-5",
    "reasoning": "low"
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  "date": "2026-10-18T17:18:15.838683+00:00",
  "kind": "repo",
  "resources": {
    "cpus": 2,
    "memory_mib": 4096,
    "disk_mib": 32768
  },
  "error_excerpt": "Product is Apple Silicon macOS only; Metal and Core ML frameworks are required and unavailable on Linux.",
  "pass": null,
  "evidence_version": null,
  "source_revision": null,
  "run_id": "jay7828--dooms-claude-haiku-5-5-1792343614374142646",
  "last_release_at": null,
  "furthest_model": null,
  "model": "claude-haiku-5-5",
  "what_it_did": "Attempted README Build section: python3 -m venv .venv && pip install cmake ninja numpy; cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Release; cmake --build build -j. No working operation was exercised.",
  "sandbox_source": null,
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  "hosting": null,
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  "tokens_in": 98923,
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  "test_version": "readme-35a4df7562ac6aaecbf68c5247f5297931fc216885efe8863696871d144439bf",
  "recovery": {
    "source": "legacy-oct16-18",
    "original_run_id": "jay7828--dooms-claude-haiku-5-5-1792343614374142646",
    "historical": true,
    "ledger_sha256": "c5e6a833c182c1e2aecf69d0bd0020aec63c65d98f3e933e4b32232340312736"
  },
  "transcript_url": "/transcripts/jay7828--dooms-claude-haiku-5-5-1792343614374142646.txt",
  "report_url": "/reports/jay7828--dooms-claude-haiku-5-5-1792343614374142646.json"
}