239 lines
7.8 KiB
JavaScript
239 lines
7.8 KiB
JavaScript
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/**
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* M-PALACE · 背景生成引擎
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* 接收锚点答案 + 人格侧面初始数据
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* → 从宫廷数据库匹配
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* → 生成逻辑自洽的专属背景
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*
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* 生成流程：
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* 锚点1（世界观）→ 选择 templates/ 基础模板
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* 锚点2（身份） → 确定主角定位 + 初始人格快照
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* → 查询 palace-db 四大维度 → 调用模型 → 输出世界状态
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*/
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const fs = require('fs');
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const path = require('path');
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const DATA_DIR = path.join(__dirname, '..', '..', 'data');
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const TEMPLATES_DIR = path.join(DATA_DIR, 'templates');
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const PALACE_DB_PATH = path.join(DATA_DIR, 'palace-db.json');
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let _palaceDB = null;
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function loadPalaceDB() {
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if (_palaceDB) return _palaceDB;
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_palaceDB = JSON.parse(fs.readFileSync(PALACE_DB_PATH, 'utf-8'));
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return _palaceDB;
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}
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function loadTemplate(worldview) {
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const map = {
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'ancient-china': 'ancient-china.json',
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'古代中国': 'ancient-china.json',
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'fantasy': 'fantasy-dynasty.json',
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'架空王朝': 'fantasy-dynasty.json'
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};
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const file = map[worldview] || 'ancient-china.json';
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return JSON.parse(fs.readFileSync(path.join(TEMPLATES_DIR, file), 'utf-8'));
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}
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/**
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* 从模板中随机选取一项
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*/
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function pick(arr) {
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return arr[Math.floor(Math.random() * arr.length)];
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}
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/**
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* 基于人格侧面决定 NPC 映射
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* 核心机密：每个 NPC 对应玩家 1~2 个人格侧面的外化
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*/
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function generateNPCMappings(scores) {
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const npcs = [];
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const dims = Object.entries(scores).sort((a, b) => b[1] - a[1]);
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// 最强维度 → 镜像对手
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const strongest = dims[0];
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npcs.push({
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archetype: 'mirror',
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mapped_dims: [strongest[0]],
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role_hint: 'rival',
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description: '与你最相似的对手'
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});
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// 最弱维度 → 放大威胁
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const weakest = dims[dims.length - 1];
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npcs.push({
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archetype: 'shadow',
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mapped_dims: [weakest[0]],
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role_hint: 'threat',
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description: '让你恐惧的存在'
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});
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// 温情相关 → 情感锚点
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if (scores.warmth >= 40) {
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npcs.push({
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archetype: 'anchor',
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mapped_dims: ['warmth', 'loyalty'],
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role_hint: 'ally',
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description: '需要被保护的弱势角色'
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});
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}
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// 多疑相关 → 暧昧盟友
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if (scores.suspicion >= 45) {
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npcs.push({
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archetype: 'trickster',
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mapped_dims: ['suspicion', 'cunning'],
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role_hint: 'ambiguous',
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description: '行为暧昧的盟友'
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});
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}
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// 确保至少 3 个 NPC
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if (npcs.length < 3) {
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npcs.push({
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archetype: 'catalyst',
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mapped_dims: [dims[2][0]],
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role_hint: 'neutral',
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description: '推动局势变化的中立角色'
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});
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}
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return npcs;
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}
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/**
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* 基于人格分数查询 palace-db，确定初始格局
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*/
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function queryInitialSetup(scores) {
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const db = loadPalaceDB();
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// 权力维度：基于 ambition+cunning
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const powerLevel = (scores.ambition + scores.cunning) / 2;
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const factionCount = powerLevel > 60 ? 3 : 2;
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// 后宫地位：基于 vanity+warmth
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const statusLevel = (scores.vanity + scores.warmth) / 2;
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// 情感关系：基于 warmth+loyalty
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const emotionIntensity = (scores.warmth + scores.loyalty) / 2;
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// 矛盾冲突：基于 aggression+suspicion
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const conflictLevel = (scores.aggression + scores.suspicion) / 2;
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const conflictType = conflictLevel > 60 ? '争宠' : '自保';
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return {
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factions: db.power.factions.slice(0, factionCount),
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initialEvent: pick(db.power.events),
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startingRank: db.status.ranks[Math.min(Math.floor(statusLevel / 15), db.status.ranks.length - 1)],
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emotionType: emotionIntensity > 60 ? pick(db.emotion.types.slice(0, 3)) : pick(db.emotion.types.slice(3)),
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emotionTrigger: pick(db.emotion.triggers),
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conflictType: conflictType,
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escalation: db.conflict.escalation[0]
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};
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}
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/**
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* 构建世界生成 prompt（供模型调用）
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*/
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function buildWorldPrompt(template, role, setup, npcMappings) {
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const dynasty = template.setting.dynasty;
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const era = pick(template.setting.era_prefix);
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const roleConfig = template.roles[role] || template.roles['妃子'];
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const title = pick(roleConfig.title_options);
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const npcDescriptions = npcMappings.map((npc, i) => {
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return `NPC${i + 1}（${npc.role_hint}型）：${npc.description}`;
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}).join('\n');
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return {
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system: [
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'你是一个古风宫斗叙事生成器。',
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'要求：文笔古风典雅，有呼吸感，不要白话流水账。',
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'使用通感手法，注重氛围营造。',
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'所有NPC的存在都有隐藏的人格映射逻辑，但不能向玩家揭示。'
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].join('\n'),
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user: [
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`请为以下设定生成宫廷世界开篇：`,
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`王朝：${dynasty}`,
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`年号：${era}`,
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`玩家身份：${role}（${title}）`,
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`初始阵营格局：${setup.factions.join('、')}`,
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`开局事件：${setup.initialEvent}`,
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`情感基调：${setup.emotionType}`,
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`冲突类型：${setup.conflictType}`,
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``,
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`需要生成的NPC：`,
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npcDescriptions,
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``,
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`输出格式（JSON）：`,
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`{`,
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` "dynasty_name": "王朝名",`,
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` "era_name": "年号",`,
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` "background": "一段时代背景描述（古风文笔·100-200字）",`,
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` "player_intro": "主角身世与处境（古风文笔·100-200字）",`,
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` "npcs": [{ "name": "角色名", "title": "头衔", "personality": "性格", "relation_to_player": "与主角关系", "hidden_archetype": "mirror|shadow|anchor|trickster|catalyst" }],`,
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` "opening_event": "开局事件描述（古风文笔·150-300字）",`,
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` "opening_choices": ["选项A", "选项B", "选项C"]`,
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`}`
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].join('\n'),
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meta: { dynasty, era, title, role }
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};
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}
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/**
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* 主入口：生成完整背景（不依赖外部模型时，使用本地模板拼接）
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*/
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function generate(worldview, role, personaScores) {
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const template = loadTemplate(worldview);
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const setup = queryInitialSetup(personaScores);
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const npcMappings = generateNPCMappings(personaScores);
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const prompt = buildWorldPrompt(template, role, setup, npcMappings);
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// 构造本地 fallback 世界（不依赖外部模型时使用）
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const dynasty = prompt.meta.dynasty;
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const era = prompt.meta.era;
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const roleConfig = template.roles[role] || template.roles['妃子'];
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const title = prompt.meta.title;
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const localWorld = {
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dynasty_name: dynasty,
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era_name: era,
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background: `${dynasty}${era}年间，朝堂暗流涌动。${setup.factions.join('与')}明争暗斗，帝位之下，人心叵测。宫墙之内，灯火通明处未必安宁，暗影幢幢处未必无情。`,
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player_intro: `你是${dynasty}${title}，${pick(roleConfig.family_options || ['名门'])}出身。入宫数载，${setup.conflictType === '争宠' ? '虽有圣眷，却树敌颇多' : '小心翼翼，只求自保平安'}。${setup.emotionType}的暗线，早已悄然铺开。`,
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npcs: npcMappings.map(function (npc, i) {
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const names = ['沈婉仪', '赵昭仪', '陈太傅', '李将军', '刘公公'];
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return {
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name: names[i] || '无名氏',
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title: pick(template.setting.era_prefix) + '年间人物',
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personality: npc.description,
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relation_to_player: npc.role_hint,
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hidden_archetype: npc.archetype
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};
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}),
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opening_event: `夜半三更，${template.setting.inner_palace}传来急召。太后身边的掌事姑姑面色如常，语气却带着不容拒绝的冷意。你知道，这一趟，去与不去，都是棋局的一部分。`,
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opening_choices: [
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'立刻更衣前往，恭顺以对',
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'称身体不适，推迟半个时辰',
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'先派人去打听太后的意图'
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]
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};
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return {
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world: localWorld,
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npcMappings: npcMappings,
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setup: setup,
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prompt: prompt,
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template: template
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};
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}
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module.exports = {
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generate,
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loadTemplate,
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loadPalaceDB,
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generateNPCMappings,
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queryInitialSetup,
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buildWorldPrompt
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};
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