新建项目

utils/constants.js

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+const GAME_MODES = {
+  classic: {
+    id: "classic",
+    name: "经典模式",
+    description: "寻找者在时间结束前抓到全部躲藏者。",
+    icon: "◎"
+  },
+  infection: {
+    id: "infection",
+    name: "感染模式",
+    description: "被抓的躲藏者会转化为寻找者，继续参与追捕。",
+    icon: "↗"
+  }
+};
+
+const DEFAULT_SETTINGS = {
+  mode: "infection",
+  durationMinutes: 30,
+  prepareMinutes: 3,
+  maxPlayers: 8,
+  seekerCount: 2,
+  clueIntervalMinutes: 5,
+  radiusMeters: 500,
+  skillsEnabled: true
+};
+
+const BOT_NAMES = ["阿树", "小满", "木木", "大川", "橘子", "青禾", "野原"];
+const AREA_CLUES = [
+  "目标可能在西北侧树林附近",
+  "南侧入口附近检测到活动",
+  "中心草坪周边出现模糊信号",
+  "东侧步道附近有人移动",
+  "目标可能靠近北侧边界"
+];
+
+module.exports = {
+  GAME_MODES,
+  DEFAULT_SETTINGS,
+  BOT_NAMES,
+  AREA_CLUES
+};

utils/format.js

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+function pad(value) {
+  return String(value).padStart(2, "0");
+}
+
+function formatCountdown(totalSeconds) {
+  const safe = Math.max(0, Math.floor(totalSeconds || 0));
+  const minutes = Math.floor(safe / 60);
+  const seconds = safe % 60;
+  return `${pad(minutes)}:${pad(seconds)}`;
+}
+
+function formatTime(timestamp) {
+  const date = new Date(timestamp);
+  return `${pad(date.getHours())}:${pad(date.getMinutes())}`;
+}
+
+function randomCode() {
+  return String(Math.floor(100000 + Math.random() * 900000));
+}
+
+function clone(value) {
+  return JSON.parse(JSON.stringify(value));
+}
+
+module.exports = {
+  formatCountdown,
+  formatTime,
+  randomCode,
+  clone
+};