Same Claude Opus 5.5. Same product. The only difference is the first domino

Same Claude Opus 5.5. Same product. The only difference is the first domino Most people open Claude Code, type "make a cool 20-second video for my app" and then wonder why the timing feels random and every small fix breaks half the clip Claude isn't bad at animation, it's just guessing, because nobody told it when anything is supposed to happen What fixed it for me was writing a short brief before any code gets written, so every moment of the video is decided upfront, the same way you line up dominoes before you push the first one: > Structure: how many scenes there are and what happens in each, for example the interface comes in, one click happens, the result holds on screen, then the logo > Key moments: when the button appears, when the click lands, and from what point the result has to be readable > Constraints: style and colors, spring() for entrances, no CSS animations, every value driven by useCurrentFrame() > What stays locked: everything Claude must leave alone when you…