generating-ad-videos

# Product ads Turn a product into a finished commercial video. One flow, with two optional steps: a voiceover (on by default) and an actor (only where a person is on camera). ## Workflow **The ad runs on `seedance-2.0-fast` unless the user named a model, and is delivered `9:16` unless the user explicitly asked for another ratio.** ### Step 1: Read what you have - **A product image or URL** → hand it to `analyzing-products` for what the product is, how a person physically uses it, which parts open or move, and what must stay identical wherever it appears. - **Run `image_analysis` on every image supplied**, not only the product — what each one shows, and whatever the product facts leave out. - **What each image is for comes from the brief, not from its contents.** A person in a frame does not make it the presenter, and a second object does not make it a prop. - **No product** → don't guess at one. It becomes the first thing Step 2 asks for. ### Step 2: Interview **Skip this when the brief already settles the ad** — a clear product, a clear intent, a length. Otherwise ask once, bundled into a single message, always with a free-text way out. | Ask | When | | --- | --- | | **The product** — a link or a photo | Neither was supplied. Offer to wait for an upload; a photographed product beats a described one. | | **How long** | The brief doesn't say. Offer 15s, 30s, 45s or 60s, and let them type their own. | | **Whether a presenter or actor is on camera** | The brief doesn't ...