video-production Generate short videos via ARK Seedance backend. Required Env - - Constraints - only. - Backend must return a video ; missing URL fails fast. - Output file must be written and non-empty, otherwise . - Default output path: . Parameters | name | type | required | notes | |---|---|---|---| | prompt | string | yes | video description | | duration | number | no | seconds, default | | output | string | no | output path | Usage ---