{
  "version": 1,
  "frozen_before_evaluation": true,
  "adaptation_count": 64,
  "environment_seeds": [0, 15],
  "building_seeds": [0, 3],
  "pairing": "Cartesian product of 16 independent environmental seeds and four independent building seeds. First eight environment seeds are development compositions; last eight use a previously unused field blend and transform.",
  "satisfiable_domain": {"gradient_per_block": [-0.045, 0.045], "wave_amplitude": [0, 0.8], "radial_amplitude": [0, 0.7], "base": 4, "water_level": [null, 5, 6], "height_clamp": [2, 7], "room_bay": [9, 11], "site_relief_max": 5, "post_height_max": 8, "approach_length_max": 12},
  "stress_count": 32,
  "stress_policy": "Retain every input. Independent expression seed 1000+i, slopes through 0.45, amplitudes through 5, optional high water. No rejection resampling. One locked placement per input. No retries unless explicitly reported by the solver.",
  "building_corpus": "dwelling, atelier, commons, each seeds 0 through 7",
  "settlement_corpus": "seeds 0 through 7; additionally 3-building and 6-building boundaries at seed 0",
  "metrics": ["per-input validated success", "per-candidate acceptance", "diagnostic status", "fill volume", "excavated volume", "contact geometry signature", "principal structure signature", "runtime"],
  "limitations": "Finite samples, not an exhaustive proof. Material texture and instance identifiers are excluded from principal signatures. All failed inputs are retained. Public access outside a standalone building's offered landing is an enclosing-scope obligation."
}