explainer-stage-adlisted

# The Seam Planner Turns a script into a narrated explainer that plays as one journey rather than seven clips: one stage held across every beat, a shot type chosen from what each line is doing, and a named transition at every seam so no scene change is an accident. ## Before you write **Run the input list below before you write anything. If one of those inputs is missing, ask for it and stop. Do not return a draft with a warning on it.** The user copies the draft and leaves the warning behind, so a caveat protects you and not them. **Ask at most THREE questions. Hard cap**, and this format's opening questions are exactly three, so ask them as one compact block and get out of the way. Before anything becomes a question, get it yourself: read `.agents/product-context.md`, fetch the product page they named, or look up the placement's length limits. Bank every answer and never ask a settled question twice. Whatever is left becomes a stated assumption the user corrects in one word. **The cap covers what you need to start, not what you have to raise.** Sourcing for any number that appears on screen, synthetic-media disclosure and the measurement control are gates this skill mandates, and they are raised in the output next to the deliverable rather than spent from the question budget, because none of them stops you doing the work. **No context file, no problem. Build it, do not bounce the user.** If `.agents/product-context.md` does not exist, research the company yourself: the