feedback7 UIBACK: 准备就绪 folds the shop bar and cancelling the ready unfolds it again (GitHub #138 by blackyang40-cmd; the owner's decision of 2026-10-07 — dragging an operator by its body is not part of it): gameLogic readyShopFold over the confirmed m.private.ready, only a change inside one prep round counts (not a reconnect's first state, the new round's reset, a phase outside the prep); the enemy pen keeps the state it returns to; test/ui/ready-fold.test.js + ready-fold.e2e.test.js; golden: unchanged (client only)

test/ui/ready-fold.test.js

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+// GitHub #138 (the owner's decision of 2026-10-07: 「点准备后商店自动收起，取消准备时再展开」): pressing 准备就绪 folds the shop
+// bar in prep, cancelling the ready unfolds it. The decision is gameLogic readyShopFold(prev, cur) over the own CONFIRMED
+// ready state (m.private.ready): only a change inside one prep round counts. The screen's effect applies it
+// (screens/game.js; the browser check is test/ui/ready-fold.e2e.test.js).
+
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+
+const { readyShopFold } = await import('../../public/js/ui/gameLogic.js');
+
+test('readyShopFold: ready folds, cancelling unfolds — inside one prep round', () => {
+  assert.equal(readyShopFold({ round: 6, ready: false }, { round: 6, ready: true }), 'fold');
+  assert.equal(readyShopFold({ round: 6, ready: true }, { round: 6, ready: false }), 'unfold');
+  assert.equal(readyShopFold({ round: 6, ready: false }, { round: 6, ready: false }), null, 'nothing changed');
+  assert.equal(readyShopFold({ round: 6, ready: true }, { round: 6, ready: true }), null, 'nothing changed');
+  // a truthy / falsy flag counts like a boolean (m.private carries true / false, a missing one is not ready)
+  assert.equal(readyShopFold({ round: 6, ready: undefined }, { round: 6, ready: 1 }), 'fold');
+  assert.equal(readyShopFold({ round: 6, ready: 1 }, { round: 6, ready: 0 }), 'unfold');
+});
+
+test('readyShopFold: the first state seen, a new round\'s reset and anything outside a prep are no press', () => {
+  // a reconnect in the middle of a prep (or the prep's start): no state before it
+  assert.equal(readyShopFold(null, { round: 6, ready: true }), null);
+  assert.equal(readyShopFold(undefined, { round: 6, ready: false }), null);
+  // the next round starts not ready (the server resets it): not a 取消准备
+  assert.equal(readyShopFold({ round: 6, ready: true }, { round: 7, ready: false }), null);
+  assert.equal(readyShopFold({ round: 6, ready: false }, { round: 7, ready: true }), null, 'a new round never reads as a press either');
+  // leaving the prep (combat, the draft, the observers): the screen passes null
+  assert.equal(readyShopFold({ round: 6, ready: true }, null), null);
+  assert.equal(readyShopFold(null, null), null);
+  assert.equal(readyShopFold('x', { round: 6, ready: true }), null);
+});