Use Videos Video Extend with Comfy Router

from comfy_sdk import Comfy

# Reads COMFY_API_KEY from the environment.
# The SDK automatically creates an idempotency key and reuses it for automatic retries.
with Comfy() as client:
    result = client.models.run(
        "kling/videos-video-extend",
        {
            "cfg_scale": 0.5,
            "prompt": "The camera keeps drifting forward down the alley.",
            "video_id": "kling-video-6f5e4d3c2b1a",
        },
    )

print(result)

import { comfy } from "@comfyorg/sdk";

// Reads COMFY_API_KEY from the environment.
// The SDK automatically creates an idempotency key and reuses it for automatic retries.
const { data } = await comfy.models.run("kling/videos-video-extend", {
  cfg_scale: 0.5,
  prompt: "The camera keeps drifting forward down the alley.",
  video_id: "kling-video-6f5e4d3c2b1a",
});

console.log(data);

curl https://api.comfy.org/v2/models/kling/videos-video-extend \
  -H "X-API-Key: $COMFY_API_KEY" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d "{\"cfg_scale\": 0.5, \"prompt\": \"The camera keeps drifting forward down the alley.\", \"video_id\": \"kling-video-6f5e4d3c2b1a\"}"