"generation request": {

{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "photoreal_cinematic_romantic_fine_art_editorial",
      "version": "v1.1_GALLERY_FRAME_COUPLE_LIFT_EMBRACE_YELLOW_HALTER_SATIN",
      "priority": "highest"
    },

    "references": {
      "reference_image_1": {
        "source": "UPLOAD_REFERENCE_IMAGE",
        "purpose": "POSE_COMPOSITION_LIGHTING_REFERENCE",
        "strict_lock": true,
        "match_reference_priority": "MAX",
        "preserve_pose_geometry": true,
        "preserve_framing_and_cropping": true,
        "preserve_background_structure": true,
        "preserve_mood_and_lighting": true,
        "no_style_drift": true
      },
      "reference_image_2": {
        "source": "UPLOAD_FACE_REFERENCE (OPTIONAL)",
        "purpose": "FACE_IDENTITY_LOCK_FEMALE",
        "strict_lock": true,
        "face_similarity_priority": "MAX",
        "no_identity_blending": true,
        "no_beautify": true,
        "no_age_shift": true,
        "preserve_skin_texture": true,
        "preserve_facial_proportions": true
      },
      "reference_image_3": {
        "source": "UPLOAD_FACE_REFERENCE (OPTIONAL)",
        "purpose": "FACE_IDENTITY_LOCK_MALE",
        "strict_lock": true,
        "face_similarity_priority": "MAX",
        "no_identity_blending": true,
        "no_beautify": true,
        "no_age_shift": true,
        "preserve_skin_texture": true,
        "preserve_facial_proportions": true
      }
    },

    "creative_direction": {
      "concept": "A c

...