{
  "system": {
    "name": "DuoTactic",
    "role": "Lean 4 proof-search harness - the main artifact of this package. It searches the compositions of a fixed 16-entry public automation table (--force-set v2) in a depth-batched best-first search and accepts a problem only after a standalone kernel re-compilation. Measured on miniF2F: test 80/244 = 32.8 %, valid 85/244 = 34.8 %, 45 s per problem.",
    "entrypoint": "code/eval_minif2f.py",
    "measured_component_contribution": "the 39.58M model below supplied 0 of the 165 accepted proofs (valid+test, 244 problems each); disabling it with --no-model reproduces the same solves, depths and proof terms"
  },
  "model_component": {
    "name": "leanoar-schemec-40m",
    "role": "optional candidate generator for DuoTactic; also usable standalone via code/generate.py"
  },
  "model_type": "SchemeC-lean-tactic",
  "arch": {
    "vocab_size": 4096,
    "block_size": 768,
    "n_layer": 8,
    "n_head": 10,
    "n_embd": 640,
    "intermediate_size": 1536,
    "dropout": 0.1,
    "rope_base": 10000.0,
    "norm_eps": 1e-05,
    "policy_rank": 128,
    "value_hidden": 128,
    "value_mid": 32,
    "n_value_out": 3,
    "tie_embeddings": true,
    "depth_rope": false
  },
  "n_params": 39582595,
  "dtype": "float32",
  "context_length": 768,
  "vocab_size": 4096,
  "special_tokens": {
    "<|pad|>": 0,
    "<|bos|>": 1,
    "<|eos|>": 2,
    "<|endoftext|>": 3,
    "<|FORWARD|>": 4,
    "<|REPAIR|>": 5,
    "<|state|>": 6,
    "<|tactic|>": 7
  },
  "prompt_template": {
    "build": "ids = [1, <|FORWARD|>, <|state|>] + tokenize(state) + [<|tactic|>]",
    "note": "over-long states keep 60% head + 40% tail (the \"⊢ goal\" line is last)",
    "max_new_tokens": 48
  },
  "training_checkpoint": {
    "source": "stage4_e6_full/best",
    "step": 5000
  },
  "trainer_dev_metrics_not_comparable": {
    "first_tok_top1": 0.2578125,
    "first_tok_top5": 0.6494140625,
    "first_tok_ce": 2.863027811050415
  },
  "weights": {
    "checkpoints/e6": {
      "role": "model component; highest dev top-1 (0.3076) but same pass@1 and 16% slower",
      "files": [
        "checkpoints/e6/lit_model.pth",
        "checkpoints/e6/model.safetensors"
      ]
    },
    "checkpoints/stage3-e3": {
      "role": "model component; the variant used for every reported pass@1 (valid 85/244 = 34.8%, test 80/244 = 32.8%)",
      "files": [
        "checkpoints/stage3-e3/lit_model.pth",
        "checkpoints/stage3-e3/model.safetensors"
      ]
    }
  }
}