2x2 网格照片生成，带身份锁定

{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBananaPro",
      "task_type": "photorealistic_multi_panel_grid",
      "version": "v1.0",
      "priority": "high"
    },
    "output_settings": {
      "layout": {
        "type": "2x2_grid",
        "border": "thin_cream_gutter",
        "frame_consistency_rule": "same_person_same_outfit_same_field"
      },
      "aspect_ratio": "4:5",
      "resolution": "ultra_high_res",
      "render_style": "analog_film_kodak_portra_400"
    },
    "reference_constraints": {
      "character_reference_image": "UPLOAD_REF_IMAGE",
      "use_reference_face_only": true,
      "identity_lock": true,
      "strict_face_match": true,
      "preserve_facial_structure": true,
      "preserve_skin_tone": true,
      "preserve_hair": true,
      "no_face_mixing": true,
      "no_extra_people": true
    },
    "global_prompt": {
      "scene": "Tall grass field during golden hour sunset. Warm lens flares, dust motes dancing in light. A checkered picnic blanket is visible. Dreamy, romantic, soft focus atmosphere.",
      "subject": {
        "type": "young adult woman",
        "identity": "same person as reference image",
        "hair": "loose waves with a silk ribbon tied in a half-up style",
        "makeup": "no-makeup makeup look, sun-kissed freckles, flushed cheeks",
        "outfit": "white linen milkmaid dress with puffy sleeves and corset detail, bare feet",
        "prop": "vintage hardcover book and a green apple"
      },
      "camera": {
        "capture": "analog film",
        "lens_equivalent": "50mm",
        "focus": "soft focus",
        "depth_of_field": "medium"
      }
    },
    "frames": [
      {
        "frame_id": "A",
        "position": "top_left",
        "shot_type": "high_angle_looking_down",
        "pose": "Lying on back on the picnic blanket, holding the book above face to block the sun, hair spread out.",
        "expression": "playful, laughing"
      },
      {
        "frame_id": "B",
        "position": "top_right",
        "shot_type": "seated_profile",
        "pose": "Sitting cross-legged, biting into the green apple, looking toward the sunset horizon.",
        "expression": "peaceful, content"
      },
      {
        "frame_id": "C",
        "position": "bottom_left",
        "shot_type": "waist_up",
        "pose": "Walking through the tall grass, hands brushing the tops of the wheat, looking back at camera.",
        "expression": "inviting, candid"
      },
      {
        "frame_id": "D",
        "position": "bottom_right",
        "shot_type": "macro_detail",
        "pose": "Close up on hands holding the open book, face slightly out of focus in background.",
        "expression": "focused reading"
      }
    ]
  }
}