具備臉部保留功能的精細鏡像自拍圖像生成

```json
{
  "image_prompt": {
    "face_preservation": {
      "use_reference_face": true,
      "accuracy": "match face exactly from reference image",
      "preserve_details": ["eyes", "nose shape", "cheek structure", "skin texture", "lip style"]
    },
    "subject": {
      "gender": "female",
      "description": "女孩在室內蹲著自拍",
      "pose": {
        "body_position": "低蹲，腳跟微抬，自信地向前傾",
        "head": "頭部微傾，目光向下看手機",
        "hands": ["右手在前方拿著手機", "左手輕觸頭髮"],
        "expression": "溫柔自信的表情"
      },
      "hair": {
        "style": "半紮馬尾，髮絲柔軟散落",
        "texture": "柔順直髮"
      },
      "attire": {
        "dress": {
          "type": "黑色羅紋緊身迷你性感透明連衣裙",
          "pattern": "簡潔光滑",
          "details": "短袖，貼身剪裁"
        },
        "shoes": "黑色踝帶高跟鞋",
        "accessories": ["金色項鍊", "手鍊", "戒指"]
      }
    },
    "environment": {
      "setting": "現代室內房間",
      "background": "米色窗簾和極簡裝飾",
      "floor": "反光大理石表面",
      "lighting": {
        "type": "溫暖的人工照明",
        "effect": "柔和的陰影和光澤的高光"
      }
    },
    "props": {
      "phone": { "type": "智慧型手機", "case": "霧面黑色", "position": "垂直自拍模式" }
    },
    "style": {
      "photography": "鏡面美學自拍",
      "color_grade": "溫暖光澤色調",
      "sharpness": "高清晰度",
      "mood": "優雅時尚"
    },
    "composition": {
      "framing": "全身蹲姿構圖",
      "angle": "平視反射捕捉",
      "focus": "清晰的面部細節",
      "aspect_ratio": "4:5"
    },
    "output": {
      "resolution": "8K 超逼真",
      "negative_prompt": ["錯誤的臉", "多餘的肢體", "服裝不符", "噪點", "文字", "模糊"]
    }
  }
}
```