第六、七轮：离线 ort/WebGPU、R9 查看器整周期、安全层截止下沉、enc_once 前瞻 bug（feat 动态轴）、UTF-8、断点 RNG 续跑与 --stop-at、R2 池无关性自检、R8 出题缓存、本机自检 selftest、冒烟 smoke；遗留清单并入审查文档第六节

ml/mining/loop.sh

@@ -10,7 +10,7 @@ cd "$(dirname "$0")/../.."
 PY=${PYTHON:-python}
 ROUNDS=${1:-6}; STEPS=${2:-1000}; N=${3:-50000}
 mkdir -p ml/runs/mine
-[ -f ml/runs/gate_tasks.jsonl ] || $PY -m ml.mining.mine_round --make-gate 2000 --seed 777 --out ml/runs
+[ -f ml/runs/gate_tasks.jsonl ] || $PY -m ml.mining.mine_round --make-gate ${MINE_GATE_N:-2000} --seed 777 --out ml/runs
 [ -f ml/runs/current.pt ] || cp ml/runs/apg/best.pt ml/runs/current.pt
 SAMPLES="ml/data/samples"; FIXED=""; small=0
 for ((r=1; r<=ROUNDS; r++)); do