"generation request": {

{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "photorealistic_single_image_with_identity_lock",
      "version": "v1.0_KITCHEN_COOKING_CANDID_ONE_REF",
      "priority": "high"
    },
    "references": {
      "reference_images": {
        "primary_subject": "UPLOAD_MALE_REFERENCE_IMAGE (REQUIRED)"
      },
      "reference_rules": {
        "exactly_one_reference_only": true,
        "preserve_identity_primary": true,
        "identity_lock_strength": 0.995,
        "face_similarity_priority": "MAX",
        "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",
      "orientation": "portrait",
      "resolution_target": "ultra_high_res",
      "render_style": "ultra_photoreal_candid_lifestyle",
      "sharpness": "crisp_but_natural",
      "film_grain": "subtle_analog"
    },
    "hard_constraints": [
      "Single subject onl

...