Sweep the dead code off the court

EATEN_GRAB (write-only marker), ball.firstLand (written five places, read
nowhere), zombies' unused VOLLEY import, three scoreboard palette fields
from the pre-PNG board, the x_tin.png nothing references, and a dozen
export keywords on functions no module ever imported.

Kept on purpose: o_run3/o_run4.png — the SPR list excludes them so both
tours run on two frames (the women's set has no 3/4 twins), per the comment
at the preload list.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

render.js

@@ -1,7 +1,7 @@
 // Camera, viewport, sprites and all drawing. Owns the crowd dots (visual-only state).
 
 import { cv, ctx } from './dom.js';
-import { TUNE, UI, EATEN_GRAB, EATEN_BURST, EATEN_SUMMARY, EATEN_RESTART, COURT, P_BOUNDS, PLAYER_H, BOY_H, UMP_H, UMP_X, MACH_H, BOSS_ART, ZWOUND, woundStage, BOUNCE_IDLE, SPRITE_H, zombieH , WEAPONS, RACK_ROW } from './config.js';
+import { TUNE, UI, EATEN_BURST, EATEN_SUMMARY, EATEN_RESTART, COURT, P_BOUNDS, PLAYER_H, BOY_H, UMP_H, UMP_X, MACH_H, BOSS_ART, ZWOUND, woundStage, BOUNCE_IDLE, SPRITE_H, zombieH , WEAPONS, RACK_ROW } from './config.js';
 import { P, O, ball, score, crowd, G, court, tour } from './state.js';
 import { predictLanding, previewServe, slotId, slotStock } from './gameplay.js';
 import { zombies, gore, piles, parts, pellets, extras, shots } from './zombies.js';
@@ -67,7 +67,7 @@ export let W = 480, H = 270;
 //   BOTTOM — the canvas deliberately runs to the PHYSICAL bottom edge so the court art fills the
 //            screen (the home indicator is a slim bar, not opaque UI). Only the interactive RACK is
 //            lifted clear of it, by SAFE.bottom below.
-export const SAFE = { top: 0, bottom: 0, topCss: 0 };
+const SAFE = { top: 0, bottom: 0, topCss: 0 };
 // Logical px of slack under a full draw, on top of the rack: the home indicator (~34 CSS px) plus
 // enough that a pull ENDING near the edge is still nowhere near STARTING there. See fitViewport.
 const PULL_ROOM = 30;
@@ -263,7 +263,7 @@ for (const n of ['p_idle1','p_idle2','p_bounce','p_bounce2','p_toss','p_smash','
 }
 
 // ------------------------------------------------------------------ crowd ----
-export function buildCrowd() {
+function buildCrowd() {
   crowd.dots.length = 0;
   const rows = Math.floor((proj(0, 0, 0).y - 26) / 5.5), cols = Math.ceil(W / 8);
   for (let row = 0; row < rows; row++) for (let i = 0; i < cols; i++) crowd.dots.push({
@@ -1095,8 +1095,8 @@ const RACK_GRAB = 7;  // px the TOUCH band extends above the drawn rack (below,
 // UPWARD instead, and only once you are actually carrying more than five: the common case is still
 // one row on the bottom edge, exactly as before.
 const rackRows = () => (G.rack.length + 1 > RACK_ROW ? 2 : 1);
-export const rackTop = () => H - TUNE.rackH * rackRows() - RACK_BOT - SAFE.bottom;
-export const METER_Y = () => rackTop() - 17;
+const rackTop = () => H - TUNE.rackH * rackRows() - RACK_BOT - SAFE.bottom;
+const METER_Y = () => rackTop() - 17;
 function rackGeom() {
   const h = TUNE.rackH, tw = Math.min(64, (W - 4) / RACK_ROW), rw = tw * RACK_ROW;
   const rows = rackRows();
@@ -1539,8 +1539,8 @@ export function render() {
   // sunk into a recessed slot — purple for the server, gold digits. Splatter adds a recessed
   // status well (kills-to-next-point pips + weapon stock). Hard edges, no radius = retro.
   const splat = G.mode !== 'tennis';
-  const bd = { face: '#1e5b3a', hi: '#3f9560', lo: '#0e3624', slot: '#0b2b1c', slotSvr: '#2b1a46',
-    spine: '#472a70', spineHi: '#5f3d94', cream: '#f2ead6', dim: '#89a08f', gold: UI.pick, engHi: '#2c7a4f' };
+  const bd = { face: '#1e5b3a', hi: '#3f9560', lo: '#0e3624',
+    spine: '#472a70', spineHi: '#5f3d94', cream: '#f2ead6', dim: '#89a08f', gold: UI.pick };
   const R = (x, y, w, h, c) => { ctx.fillStyle = c; ctx.fillRect(x, y, w, h); };
   const ptTxt = i => score.pts[0] >= 3 && score.pts[1] >= 3
     ? (score.pts[i] === score.pts[1 - i] ? '40' : score.pts[i] > score.pts[1 - i] ? 'AD' : '40')