P-Video 2 Pro Replace

# 提交异步任务，成功立即返回 taskId（不等待生成完成）
curl -X POST "https://api.hiapi.ai/v1/tasks" \
  -H "Authorization: Bearer $HIAPI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "p-video-2-pro-replace",
  "input": {
    "video_url": "…",
    "image_urls": "…",
    "keep_audio": true,
    "resolution": "768p"
  }
}'

const res = await fetch("https://api.hiapi.ai/v1/tasks", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.HIAPI_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    model: "p-video-2-pro-replace",
    input: {
      "video_url": "…",
      "image_urls": "…",
      "keep_audio": true,
      "resolution": "768p"
    }
  }),
});
const task = await res.json();
// { code: 200, message: "success", data: { taskId } }

import os, requests

res = requests.post(
    "https://api.hiapi.ai/v1/tasks",
    headers={"Authorization": f"Bearer {os.environ['HIAPI_API_KEY']}"},
    json={
        "model": "p-video-2-pro-replace",
        "input": {
          "video_url": "…",
          "image_urls": "…",
          "keep_audio": True,
          "resolution": "768p"
        }
    },
)
print(res.json())  # { code, message, data: { taskId } }