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Fetch Singapore events from Luma's discover API ──────────────\n let entries: LumaEntry[] = [];\n try {\n const url =\n `${LUMA_API}?latitude=${SINGAPORE_LAT}&longitude=${SINGAPORE_LNG}&slug=singapore`;\n const res = await fetch(url, {\n headers: { \"Accept\": \"application/json\" },\n });\n if (!res.ok) throw new Error(`Luma API status ${res.status}`);\n const data = await res.json();\n entries = data.entries ?? [];\n } catch (err) {\n return new Response(`Failed to fetch from Luma API: ${err}`, {\n status: 502,\n });\n }\n\n if (entries.length === 0) {\n return new Response(\n \"No events returned from Luma's discover API for Singapore.\",\n { status: 200, headers: { \"Content-Type\": \"text/plain\" } },\n );\n }\n\n // ── 2. Map API entries to RSS items ─────────────────────────────────\n const events = entries.map(mapEntry).filter(Boolean) as Event[];\n\n // ── 3. Serve RSS ────────────────────────────────────────────────────\n return new Response(buildRss(events), {\n headers: {\n \"Content-Type\": \"application/rss+xml; charset=utf-8\",\n \"Cache-Control\": \"public, max-age=1800\",\n },\n });\n}\n\n// ── Types ─────────────────────────────────────────────────────────────────\n\ninterface LumaEntry {\n event: {\n api_id: string;\n name: string;\n url: string; // slug\n start_at: string;\n end_at: string;\n cover_url?: string;\n timezone?: string;\n geo_address_info?: {\n city?: string;\n city_state?: string;\n country?: string;\n };\n waitlist_status?: string;\n };\n calendar?: {\n name?: string;\n };\n hosts?: { name: string }[];\n ticket_info?: {\n is_sold_out?: boolean;\n is_free?: boolean;\n price?: number | null;\n };\n guest_count?: number;\n}\n\ninterface Event {\n title: string;\n link: string;\n description: string;\n author: string;\n pubDate: string;\n imageUrl: string;\n}\n\n// ── Mapper ────────────────────────────────────────────────────────────────\n\nfunction mapEntry(entry: LumaEntry): Event | null {\n const ev = entry.event;\n if (!ev?.name || !ev?.url) return null;\n\n const link = `https://luma.com/${ev.url}`;\n\n // Build description from available metadata\n const parts: string[] = [];\n\n // Date/time\n if (ev.start_at) {\n const d = new Date(ev.start_at);\n const tz = ev.timezone || \"Asia/Singapore\";\n parts.push(\n d.toLocaleDateString(\"en-SG\", {\n weekday: \"short\",\n month: \"short\",\n day: \"numeric\",\n timeZone: tz,\n }) +\n \" · \" +\n d.toLocaleTimeString(\"en-SG\", {\n hour: \"2-digit\",\n minute: \"2-digit\",\n timeZone: tz,\n }),\n );\n }\n\n // Location\n const geo = ev.geo_address_info;\n if (geo?.city_state) parts.push(geo.city_state);\n\n // Host / organiser\n const hostNames = (entry.hosts ?? 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Code