{
  "scope": "User-requested eight-image trial on current GLM model",
  "baseline": "r8 one-image vision",
  "candidate": "r9 eight-image vision",
  "gates": [
    "managed health and image/text/tool preflight",
    "eight 768x512 cards, forward and reverse order, two repetitions each",
    "eight 2520x2520 cards, one stress request",
    "routed eight-image check",
    "repeat client catalog sync and healthy final state"
  ],
  "unchanged": [
    "weights",
    "runtime digest",
    "FP8 KV",
    "327680 configured context",
    "C4 scheduler",
    "no speculation",
    "52 GiB RAM / zero container swap"
  ],
  "failure_action": "Retain exact failed artifact, restore r8 if eight-image candidate cannot pass."
}