Replace the fixed 60s idle timer with video-completion pacing: when the base loop
video finishes one playthrough (the timeupdate wrap point, or the ended safety
net), drift one altitude deeper (descend, wraps) — gated by the default-on toggle
and deferred during a manual drag or a playing morph. Removes the whole
AUTO_ADVANCE_MS/scheduleAutoAdvance/bump timer machinery and its interaction
resets. loop-recovery.spec disables the toggle to test the loop-back path in
isolation. auto-advance.spec reworked to the completion-driven model.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
BenStullsBets
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