Unaltered Room Light Study

Act as an original video director. Generate the finished clip for this brief: Animate [room photo] with a subtle fixed-camera daylight shift across [time interval]. Preserve room geometry and window positions. Label the intended result a lighting simulation, not evidence of actual sun exposure.

Use [aspect ratio, default 9:16], coherent motion and consistent subject identity. Use only authorized references. Keep essential action inside the central safe area and supply captions separately where needed. If video generation is unavailable, return a timed shot list labeled as a production brief. Disclose synthetic imagery when publishing realistic scenes.