{
  "after": "C278",
  "chosen_next_step": "C279: test the shared endpoint triangle linking the existing8395 and8993 correspondences through the tagged598 source relation.",
  "reason": "The cumulative598 partners remain available even where their regular Noah counterpart is absent; the documented8395 family may therefore retain all six Flood endpoints.",
  "next_step_executed_within_this_step": false,
  "effort": "High sufficient",
  "limits": [
    "Ambient affine identities do not establish a global action on a finite event register.",
    "Numerical fixed points do not fill missing source roles.",
    "598/602 cross-Gear comparisons do not change the600-year same-Gear lifespan."
  ]
}