Photorealistic Velvet Dress Portrait

{
  "image_type": "photorealistic portrait",
  "resolution": "8K ultra high definition",
  "aspect_ratio": "vertical portrait",
  "camera_perspective": {
    "framing": "mid-length portrait",
    "angle": "slightly elevated eye-level angle",
    "focus": "sharp focus on subject, background slightly softer"
  },
  "subject": {
    "gender": "female",
    "age_appearance": "young adult",
    "skin_tone": "fair, smooth, even complexion",
    "facial_features": {
      "face_shape": "oval",
      "eyes": {
        "color": "light blue-grey",
        "expression": "calm, introspective, distant gaze",
        "direction": "looking slightly to her left (viewer’s right)"
      },
      "eyebrows": "natural, medium thickness, softly arched",
      "nose": "slim, straight",
      "lips": {
        "color": "soft natural pink",
        "expression": "neutral, relaxed"
      }
    },
    "hair": {
      "color": "medium brown",
      "texture": "soft, slightly wavy",
      "style": "loosely tied low bun with fine strands framing the face",
      "finish": "natural, matte"
    }
  },
  "pose_and_body_language": {
    "position": "seated",
    "posture": "relaxed, slightly leaning back into chair",
    "shoulders": "gently angled",
    "arms": "both arms resting on lap",
    "hands": {
      "position": "fingers loosely interlaced",
      "detail": "natural nails, no visible nail polish"
    }
  },
  "clothing": {
    "dress_type": "off-shoulder evening dress",
    "fabric": "velvet",
    "color": "{argument name="dress color" default="deep burgundy / wine red"}",
    "texture_detail": "rich velvet sheen with visible light absorption and soft highlights",
    "design_details": {
      "neckline": "off-shoulder with thin straps",
      "bodice": "pleated vertical gathers",
      "waist": "fitted with horizontal ruching",
      "decorative_element": "fabric rose on left shoulder strap",
      "skirt": "flowing, smooth velvet drape extending downward"
    }
  },
  "accessories": {
    "necklace": {
      "type": "delicate chain",
      "pendant": "small heart-shaped pendant",
      "material": "gold-toned"
    },
    "bracelet": {
      "wrist": "right wrist",
      "style": "thin chain bracelet",
      "material": "gold-toned"
    },
    "earrings": {
      "type": "small stud earrings",
      "color": "pearl white"
    }
  },
  "chair": {
    "type": "wingback armchair",
    "upholstery": {
      "pattern": "ornate floral damask",
      "colors": [
        "beige base",
        "muted gold",
        "soft pink",
        "olive green"
      ],
      "texture": "woven fabric with visible pattern depth"
    },
    "contrast": "enhanced contrast making floral patterns prominent"
  },
  "environment": {
    "setting": "indoor",
    "background": {
      "wall": "light-colored vertical paneling",
      "visibility": "partially visible behind chair",
      "detail_level": "minimal, clean"
    }
  },
  "lighting": {
    "type": "soft natural light",
    "direc