, <link>, <pubDate>, <source>.\n const itemRe = /<item>([\\s\\S]*?)<\\/item>/gi;\n let m: RegExpExecArray | null;\n while ((m = itemRe.exec(rssXml)) !== null) {\n const block = m[1];\n const titleM = /<title>(?:<!\\[CDATA\\[)?([\\s\\S]*?)(?:\\]\\]>)?<\\/title>/i.exec(block);\n if (!titleM) continue;\n let title = titleM[1];\n if (title.includes(\" - \")) title = title.split(\" - \")[0]; // strip \" - Colorado Public Radio\"\n title = decodeEntities(stripTags(title)).trim();\n if (!title) continue;\n\n const linkM = /<link>(?:<!\\[CDATA\\[)?([\\s\\S]*?)(?:\\]\\]>)?<\\/link>/i.exec(block);\n const url = linkM ? decodeEntities(linkM[1]).trim() : \"\";\n if (!url || seen.has(url)) continue;\n\n const pubM = /<pubDate>([^<]*)<\\/pubDate>/i.exec(block);\n const pub = pubM ? new Date(pubM[1]) : new Date();\n\n // CPR's feed uses <category> tags; Google News uses <source url>. Grab\n // whichever is present for the section label.\n const cats = [...block.matchAll(/<category>(?:<!\\[CDATA\\[)?([\\s\\S]*?)(?:\\]\\]>)?<\\/category>/gi)]\n .map((c) => decodeEntities(stripTags(c[1])))\n .filter(Boolean);\n const sourceM = /<source[^>]*>([\\s\\S]*?)<\\/source>/i.exec(block);\n const section = cats.length\n ? cats.join(\", \")\n : sourceM\n ? decodeEntities(stripTags(sourceM[1]))\n : \"CPR News\";\n\n // Politics check: match the headline, or any category tag.\n const isPolitics = POLITICS_KEYWORDS.test(title) ||\n cats.some((c) => POLITICS_KEYWORDS.test(c));\n if (POLITICS_ONLY && !isPolitics) continue;\n\n // Drop stories older than the cutoff.\n const cutoff = Date.now() - MAX_AGE_DAYS * 24 * 60 * 60 * 1000;\n if (pub.getTime() < cutoff) continue;\n\n seen.add(url);\n items.push({ title, url, pub, section });\n }\n\n // Keep newest-first, de-duplicated.\n items.sort((a, b) => b.pub.getTime() - a.pub.getTime());\n return items;\n}\n\nfunction buildRss(items: Item[], selfUrl: string): string {\n const now = new Date().toUTCString();\n const parts: string[] = [\n '<?xml version=\"1.0\" encoding=\"UTF-8\"?>',\n '<rss version=\"2.0\" xmlns:atom=\"http://www.w3.org/2005/Atom\">',\n \"<channel>\",\n `<title>${xmlEscape(FEED

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