A single shot that splatters ≥2 zombies now escalates: DOUBLE KILL /
TRIPLE KILL / MASSACRE ×N flash, louder crowd, and a new umpire line
(double_kill / triple_kill / unbelievable m4a, recorded say -v Daniel).
ball.kills tracks the streak, reset on every fresh shot (doHit + hitServe).
zombies.js imports cheer (now exported from gameplay). The splatter pace
cut is now TUNE.zPierce (0.75, was hardcoded 0.5) so a hot ball plows
through a lined-up lane instead of stalling on the first kill.
Verified via window.T: a low ball down a one-side lane kills 3→TRIPLE and
5→MASSACRE ×5 with escalating flash, streak resets on the next serve, the
three new lines serve 200 and match the existing m4a format, no crash when
the ball dies mid-streak, no console errors.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
