Advanced AI Prompt for The 'Light Painting' Long Exposure Hook

Act as a Long-Exposure Photography Expert. Design a mesmerizing 3-second video hook mimicking the 'light painting' aesthetic in real-time. A subject must wield a [LIGHT_SOURCE] (e.g., a sparkler, a neon LED tube, a laser pointer) to violently draw a [SHAPE_OR_WORD] across a pitch-black [NIGHT_SETTING]. Provide technical instructions on implementing a 'frame-echo' or 'time-blend' visual effect in post-production so the trail of light remains permanently burned into the screen as it is drawn. Mandate the exact black-level thresholds of the background environment and the exposure peaking of the light source to ensure it cuts through mobile screen glare. This hook leverages the hypnotic beauty of luminescent motion.