{
  "status": "draft_preregistered_before_execution",
  "identity_criteria": {
    "compact_body": {
      "2": "Compact torso and short-limbed silhouette broadly match the frozen reference.",
      "1": "Partially similar but elongated torso/limbs or clearly changed proportions.",
      "0": "Absent or clearly different body design."
    },
    "triangular_ears": {
      "2": "Oversized triangular ear silhouette matches the frozen reference.",
      "1": "Triangular ears remain but shape/scale diverges.",
      "0": "Missing or different ear geometry."
    },
    "cream_muzzle": {
      "2": "Cream muzzle region and tapered profile/cheek shapes broadly match the frozen reference.",
      "1": "Cream remains but muzzle shape/patch placement is materially altered.",
      "0": "Absent or different muzzle marking."
    },
    "terracotta_fur": {
      "2": "Terracotta/orange fur remains recognizable under the requested light.",
      "1": "Partly retained with substantial hue/marking drift.",
      "0": "Different or missing fur color."
    },
    "short_navy_jacket": {
      "2": "Short-sleeved navy collared jacket and short reference-like cut.",
      "1": "Navy garment retained but long sleeves or substantially changed hem/cut.",
      "0": "Missing or different garment/color."
    },
    "square_mustard_bag": {
      "2": "Near-square mustard bag with reference-like front flap and proportions.",
      "1": "Mustard bag retained but broad/shallow, tall, or oversized design differs.",
      "0": "Missing or different bag/color."
    },
    "round_brass_clasp": {
      "2": "Exactly one round brass-colored clasp, visible on the bag flap.",
      "1": "Clasp partly similar but shape/count/appearance diverges.",
      "0": "Missing clasp, different fastening or multiple clasps."
    }
  },
  "identity_NA": "Only when genuinely unobservable, with evidence; NA is never a pass or zero. Record NA count separately. No relaxed standard for expanded prompts.",
  "common_task_criteria": {
    "requested_view": {
      "T1": "2: straight front-facing head and torso at approximately eye level; 1: partial/three-quarter turn or uncertain eye-level match; 0: clearly wrong view.",
      "T3": "2: front three-quarter at approximately eye level; 1: partial angle match; 0: clearly wrong view."
    },
    "requested_action_expression": {
      "T1": "2: walking toward camera is readable through the gait; 1: direction/action only partly clear; 0: standing, wrong action or unusable.",
      "T3": "2: stepping between flat stones over a shallow stream is readable with coherent supporting limbs; 1: stones/stream present but the stepping action or support is ambiguous; 0: missing/wrong action or incoherent pose."
    },
    "requested_scene_lighting": {
      "T1": "2: established pale stone path in daylight; 1: only partial path/daylight scene, including an isolated patch on an otherwise empty backdrop; 0: wrong or missing scene.",
      "T3": "2: shallow stream, flat stones and daylight are established; 1: partially present; 0: wrong or missing scene. Horizontal layout is additionally reported in the two separate metrics below."
    },
    "required_visibility": {
      "T1": "2: full body/ears/feet with clear frame margin and readable muzzle/jacket/bag/clasp on front or visible side; 1: partly tight margin or partly obscured feature; 0: key features uninspectable/cropped.",
      "T3": "2: full readable figure with margin and camera-facing bag/clasp separate from the hands; 1: partially obscured or tight margin; 0: key feature uninspectable/cropped."
    }
  },
  "additional_stream_layout_criteria": {
    "left_of_center": {
      "2": "The horizontal center of the courier bounding box, including its bag and tail, is left of image midpoint (x < 0.50 \u00d7 image width).",
      "1": "Midpoint overlap or boundary/occlusion makes left placement ambiguous; record the ambiguity.",
      "0": "Bounding-box center at/right of image midpoint, or no inspectable courier."
    },
    "open_scenery_right": {
      "2": "A distinct right-hand scenery area at least one-quarter of image width is not occupied by the courier, its bag or tail. Scenery may contain stream, stones or vegetation; it need not be blank.",
      "1": "Some open scenery remains to the right, but narrower than one-quarter or not clearly separable.",
      "0": "No distinct right-side scenery area, or scene not inspectable."
    }
  },
  "task_NA": "No task NA: if unobservable/unusable score 0 with explanation. Missing API output is a service failure, not a fabricated visual score.",
  "operational_definition_note": "Quarter-width open scenery and bounding-box rules operationalize the original left/open-right request for this new study. They are not new prompt requirements or retroactive scores for the previous article. Judge both variants with the same rules.",
  "primary_walk": "Count requested_view == 2 out of 3 new images per version.",
  "primary_stream": "Joint count of left_of_center == 2 AND open_scenery_right == 2 AND requested_action_expression == 2, out of 3 new images per version. Show each component too.",
  "identity_guardrail": "Report all seven identity item distributions separately; strict identity retention requires all seven == 2, with no NA. Report scene success with and without this guardrail; never combine into a weighted model score.",
  "reporting": "Counts x/3 by scene/version, all images, 0/1/2/NA evidence, completed/planned denominators and failure states. No significance or population reliability claim at n=3."
}