feat(route/anthropic): add frontier red team (#20800)

* add red.anthropic.com

* Do not repeat namespace name in route name

lib/routes/anthropic/red.ts

@@ -0,0 +1,75 @@
+import { load } from 'cheerio';
+import pMap from 'p-map';
+
+import type { Route } from '@/types';
+import cache from '@/utils/cache';
+import ofetch from '@/utils/ofetch';
+import { parseDate } from '@/utils/parse-date';
+
+export const route: Route = {
+    path: '/red',
+    categories: ['programming'],
+    example: '/anthropic/red',
+    radar: [
+        {
+            source: ['red.anthropic.com'],
+        },
+    ],
+    name: 'Frontier Red Team',
+    maintainers: ['shoeper'],
+    handler,
+    url: 'red.anthropic.com',
+};
+
+async function handler() {
+    const baseUrl = 'https://red.anthropic.com';
+    const link = `${baseUrl}/red`;
+    const response = await ofetch(link);
+    const $ = load(response);
+
+    const list = $('a[class^="note"]')
+        .toArray()
+        .map((element) => {
+            const $e = $(element);
+            return {
+                title: $e.find('h2, h3').text().trim(),
+                link: `${baseUrl}/${$e.attr('href')}`,
+            };
+        });
+
+    const items = await pMap(
+        list,
+        (item) =>
+            cache.tryGet(item.link, async () => {
+                const response = await ofetch(item.link);
+                const $ = load(response);
+
+                item.pubDate = parseDate($('d-article p').first().text().trim());
+                $('h3:contains("Subscribe")').remove();
+                $('d-article p').first().remove();
+                const content = $('d-article');
+                content.find('img').each((_, e) => {
+                    const $e = $(e);
+                    $e.removeAttr('style srcset');
+                    const src = $e.attr('src');
+                    const params = new URLSearchParams(src);
+                    const newSrc = params.get('/_next/image?url');
+                    if (newSrc) {
+                        $e.attr('src', newSrc);
+                    }
+                });
+
+                item.description = content.html();
+
+                return item;
+            }),
+        { concurrency: 5 }
+    );
+
+    return {
+        title: 'Anthropic Frontier Red Team',
+        link,
+        image: `${baseUrl}/anthropic-serve/favicon.ico`,
+        item: items,
+    };
+}