<!\\[CDATA\\[(.*?)\\]\\]>/)?.[1] || \"\";\n const d =\n item[1].match(/<dc:date>(.*?)<\\/dc:date>/)?.[1]?.slice(0, 10) || \"\";\n const desc =\n (item[1].match(/<description><!\\[CDATA\\[([\\s\\S]*?)\\]\\]>/)?.[1] || \"\")\n .replace(/<[^>]+>/g, \" \").replace(/\\s+/g, \" \").trim().slice(0, 300);\n if (t) ingText += \"ING (\" + d + \"): \" + t + \". \" + desc + \"\\n\\n\";\n }\n }\n const mufgText = results.slice(1).filter(Boolean).join(\"\\n\\n\");\n const content = (ingText + mufgText).slice(0, 16000);\n\n if (!content || content.length < 100) {\n return new Response(\"no content\", { status: 500 });\n }\n\n const prompt =\n \"Extract FX trade cards from these bank research reports. Use ONLY information from the reports.\\n\\n\" +\n content +\n '\\n\\nReturn ONLY a raw JSON array (no markdown):\\n[{\"bank\":\"MUFG\",\"bankFull\":\"MUFG Bank, Ltd.\",\"date\":\"19 May 2026\",\"pair\":\"GBP/USD\",\"direction\":\"bearish\",\"conviction\":\"HIGH\",\"headline\":\"Short headline max 10 words\",\"keyDriver\":\"Key driver 1 sentence\",\"thesis\":\"2-3 sentences from report\",\"vsView\":null}]\\ndirection=bullish|bearish|neutral. conviction=HIGH|MEDIUM|LOW. bank=MUFG|ING.';\n\n const r = await fetch(\"https://api.anthropic.com/v1/messages\", {\n method: \"POST\",\n headers: {\n \"Content-Type\": \"application/json\",\n \"x-api-key\": key,\n \"anthropic-version\": \"2023-06-01\",\n },\n body: JSON.stringify({\n model: \"claude-haiku-4-5-20251001\",\n max_tokens: 4000,\n messages: [{ role: \"user\", content: prompt }],\n }),\n });\n const raw = await r.text();\n if (!r.ok) {\n return new Response(\"claude error: \" + raw.slice(0, 200), {\n status: 500,\n });\n }\n const data = JSON.parse(raw);\n if (data.error) {\n return new Response(JSON.stringify(data.error), { status: 500 });\n }\n const text = (data.content || []).filter((b: any) => b.type === \"text\").map(\n (b: any) => b.text\n ).join(\"\");\n const clean = text.replace(/^```[a-z]*\\n?/m, \"\").replace(/\\n?```$/m, \"\")\n .trim();\n const match = clean.match(/\\[[\\s\\S]*\\]/);\n if (!match) {\n return new Response(\"no json: \" + text.slice(0, 200), { status: 500 });\n }\n const payload = {\n cards: JSON.parse(match[0]),\n fetchedAt: new Date().toISOString(),\n };\n await (globalThis as any).blob.set(CACHE_KEY, JSON.stringify(payload));\n return new Response(\"ok\", { status: 200 });\n }\n\n // JSON endpoint - always returns instantly from cache, triggers bg refresh if stale\n if (isJson) {\n const CACHE_TTL = 60 * 60 * 1000; // 1 hour\n const BASE = url.origin;\n\n let cached = null;\n try {\n const raw = await (globalThis as any).blob.get(CACHE_KEY);\n if (raw) cached = JSON.parse(raw);\n } catch (_) {}\n\n // Trigger background refresh if cache is missing or stale\n const age = cached\n ? Date.now() - new Date(cached.fetchedAt).getTime()\n : Infinity;\n if (age > CACHE_TTL) {\n // Fire and forget - don't await\n fetch(BASE + \"?bg=1\").catch(() => {});\n }\n\n if (cached) {\n return new Response(\n JSON.stringify({ ...cached, stale: age > CACHE_TTL }),\n { headers: JSON_CT },\n );\n }\n\n // No cache yet - wait for background refresh to complete (first run only)\n await new Promise((r) => setTimeout(r, 500));\n try {\n const raw = await (globalThis as any).blob.get(CACHE_KEY);\n if (raw) return new Response(raw, { headers: JSON_CT });\n } catch (_) {}\n\n return new Response(\n JSON.stringify({\n error: \"Cache warming up - please refresh in 30 seconds\",\n }),\n { status: 503, headers: JSON_CT },\n );\n }\n\n const EP =\n \"https://oscarmrtensson--9062006c539111f1ab22ee650bb23af1.web.val.run?json=1\";\n const html =\n '<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta name=\"viewport\" content=\"width=device-width,initial-scale=1\"><title>Bank Research

RESEARCH

ING THINK - MUFG RESEARCH

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