{
  "topic": "C22",
  "title": "AI 绿幕去溢色：分开做 Alpha 和去绿，检查细孔与白色边缘",
  "scope": "实际Blender绿幕视频、含真实绿色材质标签的原生Alpha与换底参考；不是Delta Keyer运行结果。",
  "targetTool": "DaVinci Fusion Delta Keyer",
  "targetServiceExecution": "Not performed; actual local native operations are described separately.",
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