Refined flipboard candidates based on user preference for soft-terminal-cascade.
Goal: dense staggered start, left-to-right settling, decreasing sound density, delicate final ticks.
Target length: about 1.08-1.16 seconds. Active app sound was not replaced.

Files:
- flipboard-01-soft-terminal-refined.mp3: soft-terminal-refined
- flipboard-02-left-to-right-settle.mp3: left-to-right-settle
- flipboard-03-platelet-cascade.mp3: platelet-cascade
- flipboard-04-material-closeup.mp3: material-closeup
- flipboard-05-soft-ripple-final-lock.mp3: soft-ripple-final-lock
- flipboard-06-understated-airport-board.mp3: understated-airport-board
