opus 5.5 is insane as a motion designer

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Return: the orange dot moves back through the halftone, graph and toggle. Match the final frame to the first so the video loops cleanly.
</structure>

<build>
1. One HTML file, 1920x1080 at 60fps. Compute every visual from time inside seek(t): no CSS transitions, timers or state carried between frames.
2. Use closed-form springs for the toggle, bouncing dot and graph. Draw the graph from the same spring function that moves the dot.
3. Animate letters individually for the