video-generation

1# Video Generation
2 
3> **System prompt — read `references/system-prompt.md` first and follow it for the whole task.**
4> Three layers form one contract: `system-prompt.md` governs role and behavioural limits → this file governs tools and model routing → `seedance-*-guide.md` governs how the Prompt is compiled.
5 
6Generate, edit, or extend videos with `list_video_generation_models` and `generate_video`.
7 
8The catalog is the source of truth for every video model. For Seedance families, use `references/seedance-2-0-guide.md` (default model is Seedance 2.0 Mini at 480p); use `references/seedance-2-5-guide.md` only when routed to 2.5. For other families, use only catalog capabilities and the user's intent; do not transfer Seedance-only prompt conventions.
9 
10## Tools
11 
12- `list_video_generation_models`: call first — before routing. Select the returned `id`; inspect `family`, `modes`, `input.frames`, `input.references`, `output`, and `billing`. The metadata fields are flat; there is no nested `metadata` object. The preferred default is `doubao-seedance-2-0-mini-260615` with `output.resolution: '480p'` and `output.duration: 4` (4 seconds) when listed.
13…