feat: 插图提示词萃取脚本（pnpm art:prompts → 57 张需求单文件，供 ChatGPT 网页版批量出图）
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Jayway Liu
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/**
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* 插图提示词萃取：从 content/chapters/*.json 提取需要配插图的场景，
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* 生成一份可一次性上传给 ChatGPT 网页版的提示词文件（docs/art/illustration-prompts.md）。
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*
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* 运行：pnpm art:prompts
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*
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* 萃取范围：
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* - P0 讲述点场景变体（narration.variants，情感高潮戏，最优先）
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* - P0 过场（cutscene）
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* - P1 章节主视觉（每章一张）
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* - P2 场景对话节点（dialogue 且 sprite="scene"）
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* 编号与章节/节点 ID 的映射表附在文末，下载后按编号重命名归位。
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*/
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import { readFileSync, writeFileSync, mkdirSync } from 'node:fs';
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import { join, dirname } from 'node:path';
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import { fileURLToPath } from 'node:url';
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const ROOT = join(dirname(fileURLToPath(import.meta.url)), '..');
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interface SceneVariant { signature: string; variantId: string; label: string; tint?: string }
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interface StoryNode {
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id: string; type: string;
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speaker?: string; text?: string; sprite?: string;
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pointId?: string; mechanism?: string;
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variants?: SceneVariant[];
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video?: string; caption?: string;
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}
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interface Chapter { id: string; act: number; title: string; nodes: StoryNode[] }
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interface ArtItem {
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code: string; // 出图编号，如 C1-V01
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priority: 'P0' | 'P1' | 'P2';
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source: string; // 来源（章节/节点/变体）
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filename: string; // 建议保存路径
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scene: string; // 画面说明（中文，喂给出图模型）
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}
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const CHAPTERS = ['chapter1', 'chapter2', 'chapter3'];
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/** 清掉文案里的玩家提示括号与条件标记，只留画面内容 */
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function cleanSceneText(text: string): string {
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return text
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.replace(/【若[^】]*】/g, '')
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.replace(/（[^）]*(?:点击|确认|知晓|提示|按住|选择|视为)[^）]*）/g, '')
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.replace(/\s+/g, ' ')
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.trim();
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}
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function truncate(text: string, max = 220): string {
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return text.length > max ? text.slice(0, max) + '……' : text;
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}
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const items: ArtItem[] = [];
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for (const chId of CHAPTERS) {
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const chapter = JSON.parse(readFileSync(join(ROOT, 'content/chapters', `${chId}.json`), 'utf-8')) as Chapter;
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const chNum = chId.replace('chapter', 'C');
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items.push({
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code: `${chNum}-KV`,
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priority: 'P1',
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source: `${chId} 章节主视觉`,
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filename: `assets/art/${chId}/key-visual.png`,
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scene: `章节主视觉：${chapter.title}。考古悬疑题材的主视觉构图，留出标题空间。`,
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});
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let sceneIdx = 0, variantIdx = 0, cutIdx = 0;
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const seen = new Set<string>();
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for (const node of chapter.nodes) {
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if (node.type === 'narration' && node.variants) {
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for (const v of node.variants) {
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variantIdx += 1;
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const code = `${chNum}-V${String(variantIdx).padStart(2, '0')}`;
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items.push({
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code,
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priority: 'P0',
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source: `${node.pointId}（${node.mechanism}）变体 ${v.variantId} · 情绪签名「${v.signature}」`,
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filename: `assets/art/${chId}/${node.pointId}-${v.variantId}.png`,
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scene: cleanSceneText(v.label),
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});
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}
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} else if (node.type === 'cutscene') {
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cutIdx += 1;
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items.push({
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code: `${chNum}-CS${cutIdx}`,
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priority: 'P0',
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source: `${node.id} 过场（${node.video}）`,
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filename: `assets/art/${chId}/${node.id}-cutscene.png`,
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scene: cleanSceneText(node.caption ?? ''),
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});
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} else if (node.type === 'dialogue' && node.sprite === 'scene' && node.text) {
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const scene = cleanSceneText(node.text);
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if (scene.length < 20 || seen.has(scene)) continue;
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seen.add(scene);
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sceneIdx += 1;
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const isOpen = node.id.includes('open');
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items.push({
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code: `${chNum}-S${String(sceneIdx).padStart(2, '0')}`,
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priority: isOpen ? 'P1' : 'P2',
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source: `${node.id} 场景旁白`,
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filename: `assets/art/${chId}/${node.id}.png`,
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scene: truncate(scene),
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});
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}
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}
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}
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const STYLE = [
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'统一美术风格（每张图都严格套用）：水彩手绘漫画质感，暗色调悬疑氛围，',
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'电影级光影与构图，克制的暖冷对比；考古现场的旧照片颗粒感与奇幻微光结合。',
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'横幅 16:9。画面中不出现任何文字、字母、数字、水印。',
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'人物一律以中远景、背影或剪影出现，不要正脸特写（角色立绘后续单独处理，靠远景保持角色一致性）。',
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].join('');
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const HEADER = `# 《苍梧疑冢》Act 1 插图批量生成任务
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你好。附件/下文是一份互动叙事游戏的插图需求清单，共 ${items.length} 张。
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请按以下规则逐张生成插图：
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## 全局风格
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${STYLE}
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## 工作规则
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1. 每个编号条目生成**一张**插图，按编号顺序来（编号即优先级，P0 最先）。
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2. 每条目的"画面"字段是场景描述，请在不违背风格的前提下自由构图；
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描述若引用剧情文本，取其中的**视觉内容**（环境、光线、器物、氛围），忽略叙事性语句。
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3. 每条目生成后，先单独展示这张图并标注其编号（如"C1-V01"），便于我逐张下载核对。
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4. 每批生成 4 张后停下来，等我回复"继续"再生成下一批——避免触发生成限额导致风格漂移。
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5. 如果某条的描述让你不确定画什么，不要自己发明剧情元素，按最接近描述字面意思的静物/空镜处理。
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---
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## 插图清单
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`;
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const PRIORITY_ORDER: Record<ArtItem['priority'], number> = { P0: 0, P1: 1, P2: 2 };
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const sorted = [...items].sort((a, b) => PRIORITY_ORDER[a.priority] - PRIORITY_ORDER[b.priority]);
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const sections: string[] = [];
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let currentPriority = '';
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for (const item of sorted) {
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if (item.priority !== currentPriority) {
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currentPriority = item.priority;
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const label = { P0: 'P0 · 讲述点变体与过场（情感高潮，最优先）', P1: 'P1 · 章节主视觉与开场场景', P2: 'P2 · 一般场景' }[item.priority];
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sections.push(`\n### ${label}\n`);
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}
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sections.push(`**${item.code}**\n画面：${item.scene}\n`);
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}
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const MAPPING = `\n---\n\n## 编号映射表（出图后按"建议文件名"重命名归位）\n\n| 编号 | 来源 | 建议文件名 |\n|---|---|---|\n${sorted.map((i) => `| ${i.code} | ${i.source} | ${i.filename} |`).join('\n')}\n`;
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mkdirSync(join(ROOT, 'docs/art'), { recursive: true });
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const outPath = join(ROOT, 'docs/art/illustration-prompts.md');
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writeFileSync(outPath, HEADER + sections.join('\n') + MAPPING, 'utf-8');
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const counts = { P0: 0, P1: 0, P2: 0 };
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for (const i of sorted) counts[i.priority] += 1;
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console.log(`✓ 共 ${items.length} 张插图需求（P0:${counts.P0} P1:${counts.P1} P2:${counts.P2}）`);
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console.log(`✓ 输出：${outPath}`);
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