高对比度图形海报肖像

{
  "meta": {
    "project_name": "{argument name="Project Name" default="Poster Portrait"}",
    "image_quality": "High",
    "image_type": "Photo (composite / graphic poster)"
  },

  "InputImage": {
    "reference": "<UPLOAD_PORTRAIT_IMAGE>",
    "preserve_identity": true,
    "match_face_structure": true,
    "match_expression": true
  },

  "global_context": {
    "scene_description": "Close-up black-and-white portrait of the uploaded subject wearing sunglasses, face and upper neck visible, composited over a bold repeating typographic background displaying the name '{argument name="Name for Typography" default="ENTER_NAME_HERE"}' in large white letters on a solid red backdrop. The subject is positioned in the lower-center of the frame with a confident, expressive pose. The background is flat, graphic, and high-contrast.",
    "environment": "Studio / graphic composite environment",
    "lighting": {
      "source": "Artificial studio lighting",
      "direction": "Frontal with slight top-down angle",
      "quality": "Hard, high-contrast lighting",
      "color_temp": "Neutral grayscale for subject"
    }
  },

  "color_palette": {
    "dominant_colors": ["red", "white", "black"],
    "contrast_level": "Very high"
  },

  "composition": {
    "camera_angle": "Slight low-angle for authority",
    "framing": "Close-up portrait (face dominates frame)",
    "depth_of_field": "Deep focus (subject and background both sharp)",
    "focal_point": "Sunglasses and facial expression"
  },

  "objects": [
    {
      "id": "subject_01",
      "label": "Portrait subject wearing sunglasses",
      "category": "Person",
      "location": "Center-lower foreground",
      "visual_attributes": {
        "color": "Monochrome / grayscale",
        "texture": "Natural skin texture, visible pores, matte finish",
        "accessories": "Dark sunglasses with reflective lenses",
        "state": "Confident, expressive"
      },
      "pose_or_orientation": "Head tilted slightly back or straight-on, facing camera",
      "preserve": [
        "identity",
        "face proportions",
        "natural realism"
      ]
    },
    {
      "id": "background_text",
      "label": "Repeating name typography",
      "category": "Graphic / Text",
      "location": "Full background (tiled)",
      "visual_attributes": {
        "text": "{argument name="Name for Typography" default="ENTER_NAME_HERE"}",
        "color": "White text on solid red background",
        "font_style": "Bold, rounded, heavy display font",
        "layout": "Repeated vertically or in a grid pattern"
      }
    }
  ],

  "semantic_relationships": [
    "Subject overlaps and partially obscures the repeated name typography",
    "High contrast between grayscale portrait and red graphic background",
    "Sunglasses act as the visual anchor and attitude-defining element",
    "Typography reinforces identity and poster-style branding"
  ],

  "Rendering": {
    "style": [
      "graphic poster realism",
      "editorial portrait",
      "high-contrast composite"
    ],
    "avoid": "