"generation request": {

{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "真实感单张图片（带身份锁定）",
      "version": "v1.0_KITCHEN_COOKING_CANDID_ONE_REF",
      "priority": "高"
    },
    "references": {
      "reference_images": {
        "primary_subject": "上传男性参考图片（必需）"
      },
      "reference_rules": {
        "exactly_one_reference_only": true,
        "preserve_identity_primary": true,
        "identity_lock_strength": 0.995,
        "face_similarity_priority": "最高",
        "strict_face_match": true,
        "no_identity_drift": true,
        "no_face_morphing": true,
        "no_beautification": true,
        "preserve_skin_texture": true
      }
    },
    "output_settings": {
      "aspect_ratio": "4:5",
    

...