Use @video1 as the exact hand motion reference. Use @image1 as the unfinished r...

Use @video1 as the exact hand motion reference. Use @image1 as the unfinished room reference. Use @image2 as the final wall-built reference. First-person iPhone handheld footage, subtle natural micro-shake. Keep the exact camera angle, perspective, room geometry, windows, radiators, and proportions from @image1. The scene starts as the empty unfinished room. A realistic hand appears and f...