Choose a test you can judge
A useful first video is not necessarily the most elaborate one. Choose a scene with a visible success condition: a mug stays centered during a gentle camera move, or a cyclist crosses the frame without changing appearance. If the brief asks for a crowd, rapid cuts, readable signs and synchronized dialogue at once, a weak result is hard to diagnose.
Separate visual intention from technical requirements. “Quiet morning light” describes the look. “This must be vertical” describes a delivery requirement. “This must contain speech” changes which operations are suitable. Put the requirements first when they are non-negotiable, then confirm the current settings before committing credits.
Submission and delivery are different stages
The page prepares a brief, not a completed video. In the App, review what was carried over and any editable generation settings. Correct missing references or incompatible choices before confirming. When processing begins, the task may remain pending while the underlying work runs. A successful submission does not prove that the eventual file is playable or that it follows the brief.
Keep the original brief next to the finished artifact when reviewing. Play the full clip at normal speed, then examine the moment where the subject moves or the camera changes most. Check whether the action is continuous, important objects keep their form and any sound behaves as expected. A good first frame is insufficient evidence for a good clip.
Revise with a reason
Write down one material issue before requesting another generation. For example, “keep the camera still” is a more useful revision than “make it better” when the subject drifts during an orbit. Preserve the parts that already work and change only the instruction connected to the defect.
If the project needs titles, exact captions, several shots or a mixed soundtrack, plan that finishing work separately. Do not assume that one short-video request includes an editor or a sequence of dependent generation steps. The deliverable here is one reviewed clip, with limitations you can explain.