{
 "model": {
  "d": 32,
  "heads": 4,
  "ff": 64,
  "enc": 1,
  "dec": 1
 },
 "train": {
  "batch": 64,
  "lr": 0.001,
  "warmup": 10,
  "steps": 300,
  "wd": 0.01,
  "betas": [
   0.9,
   0.95
  ],
  "amp": "bf16",
  "grad_clip": 1.0,
  "w_mf": 1.0,
  "w_fk": 0.5,
  "w_smooth": 0.05,
  "w_value": 0.1,
  "w_sub": 0.1,
  "p_neq": 0.25,
  "fk_caps": 96,
  "ckpt_min": 1,
  "eval_every": 100,
  "eval_tasks": 16,
  "log_every": 10,
  "patience_evals": 5
 },
 "_note": "冒烟专用（bash ml/smoke.sh）：只验证流程能跑通，数值无意义"
}