16 格 IP 头像表情包批量生成

Use the provided IP avatar image as a reference for character consistency. Generate a large 16-panel (4x4) emoji pack, with one expression per panel, separated by thin white lines. The character must maintain the same art style. Each panel can have a short Chinese caption (2-6 characters, pixel font/simple black font) at the bottom. Do not add complex backgrounds except for specified small props. No watermarks, no extra figures. The 16 panels content in order are: {argument name="16 panels content" default="...."}