wan2.2-kf2v-flash生成1080p视频。全新升级的万相2.2-首尾帧生视频，生成速度更快。优化视频动态稳定性与成功率，更强大的指令遵循能力，两张图片生成丝滑过度视频。
curl https://api.yourplatform.com/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "undefined",
"messages": [
{"role": "user", "content": "Hello!"}
],
"stream": true
}'