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const meals = [
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{ name: "番茄牛腩饭", icon: "🍅", flavor: "rich", budget: "mid", group: true, note: "酸甜开胃 · 热乎下饭" },
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{ name: "麻辣香锅", icon: "🌶️", flavor: "spicy", budget: "mid", group: true, note: "自由搭配 · 快乐翻倍" },
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{ name: "鸡丝凉面", icon: "🍜", flavor: "fresh", budget: "low", group: false, note: "清爽不腻 · 午后轻盈" },
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{ name: "海南鸡饭", icon: "🍗", flavor: "light", budget: "mid", group: false, note: "鲜嫩咸香 · 稳稳满足" },
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{ name: "寿喜烧", icon: "🍲", flavor: "rich", budget: "high", group: true, note: "甜咸浓郁 · 犒劳一下" },
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{ name: "酸菜鱼", icon: "🐟", flavor: "spicy", budget: "high", group: true, note: "酸辣鲜香 · 超级下饭" },
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{ name: "牛肉粉", icon: "🥣", flavor: "spicy", budget: "low", group: false, note: "暖胃满足 · 快速回血" },
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{ name: "轻食沙拉", icon: "🥗", flavor: "light", budget: "mid", group: false, note: "清新脆爽 · 没有负担" },
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{ name: "咖喱猪排饭", icon: "🍛", flavor: "rich", budget: "mid", group: false, note: "酥脆浓香 · 能量满格" },
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{ name: "小笼包", icon: "🥟", flavor: "light", budget: "low", group: true, note: "一口爆汁 · 简单满足" },
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{ name: "韩式烤肉", icon: "🥩", flavor: "rich", budget: "high", group: true, note: "焦香多汁 · 适合聚餐" },
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{ name: "重庆小面", icon: "🍜", flavor: "spicy", budget: "low", group: false, note: "麻辣带劲 · 唤醒味蕾" },
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{ name: "日式拉面", icon: "🍥", flavor: "rich", budget: "mid", group: false, note: "汤浓面弹 · 暖心满足" },
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{ name: "广式烧腊饭", icon: "🍖", flavor: "rich", budget: "mid", group: false, note: "蜜香油润 · 经典不出错" },
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{ name: "云南米线", icon: "🍜", flavor: "fresh", budget: "low", group: false, note: "鲜香顺滑 · 嗦粉快乐" },
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{ name: "泰式冬阴功", icon: "🦐", flavor: "spicy", budget: "high", group: true, note: "酸辣醒胃 · 南洋风味" },
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{ name: "椰子鸡火锅", icon: "🥥", flavor: "light", budget: "high", group: true, note: "清甜鲜嫩 · 聚餐友好" },
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{ name: "东北铁锅炖", icon: "🍲", flavor: "rich", budget: "high", group: true, note: "热气腾腾 · 越吃越香" },
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{ name: "披萨拼盘", icon: "🍕", flavor: "rich", budget: "mid", group: true, note: "口味任选 · 分享方便" },
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{ name: "潮汕牛肉火锅", icon: "🥩", flavor: "fresh", budget: "high", group: true, note: "鲜切现涮 · 团队人气王" },
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{ name: "越南牛肉河粉", icon: "🌿", flavor: "fresh", budget: "mid", group: false, note: "清鲜有层次 · 舒服耐吃" },
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{ name: "菌菇焖饭", icon: "🍄", flavor: "light", budget: "low", group: false, note: "菌香温润 · 素食也满足" },
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{ name: "新疆大盘鸡", icon: "🍗", flavor: "spicy", budget: "high", group: true, note: "香辣量足 · 多人更合适" },
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{ name: "粤式点心", icon: "🫖", flavor: "light", budget: "mid", group: true, note: "多款分享 · 慢慢吃聊" }
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];
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const KEYS = {
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favorites: "whats2eat-favorites",
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history: "whats2eat-history"
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};
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const state = { flavor: "all", budget: "all", mode: "solo", current: null, activeList: "favorites" };
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const $ = (selector) => document.querySelector(selector);
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const $$ = (selector) => document.querySelectorAll(selector);
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const readStore = (key) => JSON.parse(localStorage.getItem(key) || "[]");
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const writeStore = (key, value) => localStorage.setItem(key, JSON.stringify(value));
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const mealByName = (name) => meals.find((meal) => meal.name === name);
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function bindExclusiveButtons(selector, stateKey, onChange) {
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$$(selector).forEach((button) => {
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button.addEventListener("click", () => {
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$$(selector).forEach((item) => {
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item.classList.remove("active");
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item.setAttribute("aria-pressed", "false");
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});
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button.classList.add("active");
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button.setAttribute("aria-pressed", "true");
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state[stateKey] = button.dataset.value || button.dataset.mode;
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if (onChange) onChange();
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});
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});
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}
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function setModeCopy() {
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const isTeam = state.mode === "team";
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$("#heroSubtitle").textContent = isTeam
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? "少数服从运气，找一个大家都愿意去的答案。"
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: "一个人的午饭，也值得认真决定。";
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$("#modeBadge").textContent = isTeam ? "同事聚餐推荐" : "一人食推荐";
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$("#status").textContent = isTeam ? "聚餐模式会优先推荐适合分享的选择。" : "一人食模式会优先推荐方便又满足的选择。";
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}
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function filteredMeals() {
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let pool = meals.filter((meal) =>
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(state.flavor === "all" || meal.flavor === state.flavor) &&
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(state.budget === "all" || meal.budget === state.budget) &&
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(state.mode !== "team" || meal.group)
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);
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if (pool.length > 1 && state.current) pool = pool.filter((meal) => meal.name !== state.current.name);
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return pool;
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}
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function pickMeal() {
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const pool = filteredMeals();
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if (!pool.length) {
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$("#status").textContent = "这个组合暂时没有合适选项，试试放宽一个条件吧。";
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return;
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}
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const meal = pool[Math.floor(Math.random() * pool.length)];
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const card = $("#resultCard");
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card.classList.remove("shuffling");
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void card.offsetWidth;
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card.classList.add("shuffling");
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setTimeout(() => showResult(meal, true), 260);
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}
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function showResult(meal, addToHistory) {
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state.current = meal;
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$("#resultIcon").textContent = meal.icon;
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$("#resultKicker").textContent = state.mode === "team" ? "大家今天就吃" : "今天就吃";
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$("#resultName").textContent = meal.name;
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$("#resultMeta").textContent = meal.note;
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$("#status").textContent = `答案是「${meal.name}」，不要再纠结啦！`;
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updateSaveButton(readStore(KEYS.favorites).includes(meal.name));
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if (addToHistory) {
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const history = readStore(KEYS.history).filter((name) => name !== meal.name);
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history.unshift(meal.name);
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writeStore(KEYS.history, history.slice(0, 12));
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if (state.activeList === "history") renderList();
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}
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}
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function updateSaveButton(saved) {
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$("#saveBtn").classList.toggle("saved", saved);
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$("#saveBtn").setAttribute("aria-pressed", String(saved));
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$("#saveBtn").textContent = saved ? "♥ 已收藏" : "♡ 收藏";
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}
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function toggleFavorite() {
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if (!state.current) {
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$("#status").textContent = "先抽一个午饭答案，再收藏它吧。";
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return;
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}
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const favorites = readStore(KEYS.favorites);
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const index = favorites.indexOf(state.current.name);
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if (index >= 0) favorites.splice(index, 1);
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else favorites.unshift(state.current.name);
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writeStore(KEYS.favorites, favorites);
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updateSaveButton(index < 0);
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renderList();
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}
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function renderList() {
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const names = readStore(KEYS[state.activeList]);
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$("#favoriteCount").textContent = readStore(KEYS.favorites).length;
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$("#clearHistory").hidden = state.activeList !== "history" || names.length === 0;
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$("#mealList").innerHTML = names.length
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? names.map((name) => {
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const meal = mealByName(name);
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if (!meal) return "";
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const action = state.activeList === "favorites"
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? `<button class="remove-item" data-remove="${meal.name}" aria-label="取消收藏 ${meal.name}">×</button>`
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: "";
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return `<article class="meal-item">
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<span class="meal-item-icon" aria-hidden="true">${meal.icon}</span>
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<span><strong>${meal.name}</strong><small>${meal.note}</small></span>
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${action}
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</article>`;
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}).join("")
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: `<div class="empty">${state.activeList === "favorites" ? "还没有收藏，遇到心动午饭就点一下 ♡" : "还没有抽取记录，今天的第一顿会是什么？"}</div>`;
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$$("[data-remove]").forEach((button) => {
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button.addEventListener("click", () => {
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writeStore(KEYS.favorites, readStore(KEYS.favorites).filter((name) => name !== button.dataset.remove));
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if (state.current?.name === button.dataset.remove) updateSaveButton(false);
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renderList();
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});
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});
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}
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function switchList(listName, shouldScroll = false) {
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state.activeList = listName;
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$$(".tab").forEach((tab) => {
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const active = tab.dataset.list === listName;
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tab.classList.toggle("active", active);
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tab.setAttribute("aria-selected", String(active));
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});
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renderList();
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if (shouldScroll) $(".collection").scrollIntoView({ behavior: "smooth", block: "start" });
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}
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bindExclusiveButtons("#flavorChips .chip", "flavor", () => $("#status").textContent = "口味收到，随时可以开奖。");
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bindExclusiveButtons("#budgetChips .chip", "budget", () => $("#status").textContent = "预算收到，随时可以开奖。");
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bindExclusiveButtons(".mode", "mode", setModeCopy);
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$("#decideBtn").addEventListener("click", pickMeal);
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$("#againBtn").addEventListener("click", pickMeal);
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$("#saveBtn").addEventListener("click", toggleFavorite);
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$$(".tab").forEach((tab) => tab.addEventListener("click", () => switchList(tab.dataset.list)));
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$$("[data-open-list]").forEach((button) => button.addEventListener("click", () => switchList(button.dataset.openList, true)));
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$("#clearHistory").addEventListener("click", () => {
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writeStore(KEYS.history, []);
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renderList();
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});
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setModeCopy();
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renderList();
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