{
  "approach": "Seed-3 policy-gradient self-play with a learned value was planned; no training or evaluation ran because the simulator build failed.",
  "blocked": "Simulator setup stopped at cargo build --release on the public dogfight-challenge workspace. Rust stable 1.99.1 installed successfully inside the item cache, but Cargo exited 101: error: linker `cc` not found; No such file or directory (os error 2). Compilation failed for quote, proc-macro2 and libc build scripts. Following the brief's simulator-build failure instruction, stopped before training. All null fields are unmeasured or unavailable; no replacement entry is supplied.",
  "current_vs_starter": null,
  "records": {
    "starter": {
      "matches": 0,
      "score": null
    },
    "builtins": {
      "matches": 0,
      "score": null
    },
    "current": {
      "matches": 0,
      "wins": 0,
      "losses": 0,
      "draws": 0,
      "score": null
    },
    "exploiter": {
      "matches": 0,
      "score": null,
      "how": "Not trained: simulator build failed."
    }
  },
  "entry": null,
  "entry_sha256": null,
  "entry_bytes": 0,
  "ops": [],
  "tried": [
    "Fetched the public current-entry JSON and cloned the public simulator repository into the item cache.",
    "Installed Rust stable locally without modifying shell configuration.",
    "Attempted cargo build --release; exited 101 because the C linker cc was absent. No matches ran and no performance claims are made."
  ],
  "next": "Retry on a runtime with a working C compiler/linker and OpenSSL development libraries; then validate the current model over 3,000 randomized-spawn matches before seed-3 policy-gradient self-play and the four required held-out evaluations."
}