The port found ptmsg, the main menu's footer, at alpha 127.5 at that screen's
settle instant. Verified: build 5's window is [44,56] = 12 units and
screen render --settle already prints 'narrow -- this bundle may never settle'.
Disc-wide, elements caught mid-ramp at their screen's settle instant: 25.5 %
overall, 40.9 % on windows under 10 units, 45.1 % on 10-19, falling to 11.7 % and
15.0 % on wide ones.
The obvious reading of that table -- narrow window means the settle pose is bad --
is REFUTED by the screens that motivated the proposal, and I nearly published it.
The two splashes have an 8-unit window, narrower than the main menu's 12, and the
settle pose beats rest() there by 75x and 33x. Width does not predict quality.
The predictor is the port's own statement: the settle pose wins decisively where
rest() lands on a transient's peak, and loses slightly where rest() is already
sound and an element arrives after the window closes.
And my own rest_vs_settle filter was wrong in both directions: dropping bundles
under 10 units admitted the 10-19 bucket, the worst at 45.1 %, and excluded both
splashes at width 8 -- the strongest evidence FOR the proposal. A threshold taken
from a documented rule of thumb and applied without checking which screens it
admitted and which it threw away.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
19b41014ae