逼真旅行肖像與身份鎖定

```json
{
  "type": "image_generation_prompt",
  "aspect_ratio": "3:4",
  "style": "寫實旅行肖像，電影日光效果",
  "identity_preservation": {
    "use_reference_image": true,
    "strict_identity_lock": true,
    "alter_face": false,
    "alter_features": false,
    "notes": "精確保留主體的臉部、頭髮和自然特徵，與參考圖像一致。"
  },
  "subject": {
    "gender": "女性",
    "pose": {
      "body": "站在河畔欄杆旁",
      "orientation": "身體略微面向河流",
      "head": "轉向面對鏡頭"
    },
    "expression": "自然、平靜、淺淺的微笑",
    "appearance": {
      "hair": "長髮、散開、自然波浪",
      "wardrobe": "黑色長外套，優雅簡約"
    }
  },
  "environment": {
    "location": "{argument name=\"location\" default=\"倫敦河畔長廊\"}",
    "landmarks": [
      "倫敦塔橋清晰可見",
      "泰晤士河",
      "遠處的現代倫敦天際線"
    ],
    "time_of_day": "晴朗的白天",
    "weather": "陽光普照，藍天白雲"
  },
  "lighting": {
    "type": "自然日光",
    "direction": "側面和正面陽光",
    "effects": [
      "柔和陰影",
      "頭髮和外套上的自然高光",
      "清晰的建築細節"
    ]
  },
  "camera": {
    "shot_type": "中景全身照",
    "angle": "視線水平",
    "focus": "主體清晰對焦",
    "depth_of_field": "適中，背景略微柔化",
    "quality": "高畫質 / 超清晰"
  },
  "quality": {
    "resolution": "高解析度",
    "realism": "寫實",
    "detail_level": "建築、水面和紋理細節豐富"
  },
  "constraints": [
    "請勿改變臉部特徵",
    "請勿改變服裝風格",
    "無文字、標誌或浮水印",
    "無人工濾鏡",
    "地標無失真"
  ],
  "output_goal": "創建一張高畫質、寫實的圖像，呈現同一位女性在倫敦塔橋，保留原始設定和服裝，但在自然日光下，她的頭部轉向直接看向鏡頭。"
}
```