chore: 初始化仓库

中华文明全图鉴——文物全图系统（PC Web 地图 + NestJS API + 管理后台）。含三大 IP（文物南迁北归 / 国宝海外回归 / 博物馆手艺人）、AI 文物对话、文物地图与详情、以及 demo-video-kit 演示视频生成工具。
2026-06-13 20:55:44 +08:00
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+// 把文物图片下载到本地（apps/web/public/artifacts），并把数据库 image_url 指向本地路径。
+// 服务器直连不了 Wikimedia，但浏览器可以，所以用 Playwright 真实浏览器下载。
+import { chromium } from "playwright";
+import { Pool } from "pg";
+import fs from "fs";
+import path from "path";
+import { fileURLToPath } from "url";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const PUBLIC_DIR = path.resolve(__dirname, "../../apps/web/public/artifacts");
+fs.mkdirSync(PUBLIC_DIR, { recursive: true });
+
+const pool = new Pool({
+  connectionString:
+    process.env.DATABASE_URL ?? "postgresql://postgres@localhost:5432/wenwumap",
+});
+
+const extOf = (ct) =>
+  ct?.includes("png")
+    ? "png"
+    : ct?.includes("svg")
+    ? "svg"
+    : ct?.includes("webp")
+    ? "webp"
+    : "jpg";
+
+const main = async () => {
+  const { rows } = await pool.query(
+    "SELECT id, image_url FROM artifacts WHERE image_url LIKE 'http%' ORDER BY unified_map_id"
+  );
+  console.log(`待下载：${rows.length} 张`);
+
+  const browser = await chromium.launch({ headless: true });
+  const page = await browser.newPage();
+  let ok = 0;
+  let failed = 0;
+
+  for (const { id, image_url } of rows) {
+    try {
+      const resp = await page.goto(image_url, { timeout: 30000, waitUntil: "commit" });
+      if (!resp || !resp.ok()) throw new Error(`HTTP ${resp ? resp.status() : "?"}`);
+      const ct = resp.headers()["content-type"] ?? "";
+      if (!ct.startsWith("image/")) throw new Error(`非图片：${ct}`);
+      const buf = await resp.body();
+      const ext = extOf(ct);
+      const file = `${id}.${ext}`;
+      fs.writeFileSync(path.join(PUBLIC_DIR, file), buf);
+      const localPath = `/artifacts/${file}`;
+      await pool.query("UPDATE artifacts SET image_url = $1 WHERE id = $2", [localPath, id]);
+      ok++;
+      console.log(`✓ ${id} -> ${localPath} (${(buf.length / 1024).toFixed(0)}KB)`);
+    } catch (e) {
+      failed++;
+      console.log(`✗ ${id} 失败：${e.message.split("\n")[0]}（保留原链接）`);
+    }
+  }
+
+  await browser.close();
+  await pool.end();
+  console.log(`完成：成功 ${ok}，失败 ${failed}`);
+};
+
+main().catch((e) => {
+  console.error(e);
+  process.exit(1);
+});