{
 "rate": "normal",
 "flow": "checkpoints/phase2/p2_flow_sft/best.pt",
 "sampler": "silexcap",
 "one_pass": true,
 "note": "Phase 3 LM (p3_lm_full, best val step 4500). Uses the shared Phase 2 anchor-SFT flow; a Phase 3 flow SFT gave no measurable gain and is not shipped."
}