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Configúrala en Settings → Environment variables de tu val.\",\n );\n}\n\n// ------------------\n// 🔑 DICCIONARIO\n// ------------------\nconst SYMBOL_MAPPINGS: Record = {\n \"BTC-USD\": {\n finnhubSymbol: \"BINANCE:BTCUSDT\",\n type: \"crypto\",\n displayName: \"Bitcoin / USDT (Binance)\",\n },\n \"ETH-USD\": {\n finnhubSymbol: \"BINANCE:ETHUSDT\",\n type: \"crypto\",\n displayName: \"Ethereum / USDT (Binance)\",\n },\n \"USDCLP=X\": {\n type: \"custom\", // 👈 tu API\n displayName: \"USD / CLP (Aevum Spot)\",\n },\n \"CLFCLP=X\": {\n type: \"custom\", // 👈 derivado UF/CLP\n displayName: \"UF / CLP (derivado)\",\n },\n};\n\nfunction lookupSymbol(yahooSymbol: string): SymbolMapping {\n const mapped = SYMBOL_MAPPINGS[yahooSymbol];\n if (mapped) return mapped;\n\n return {\n finnhubSymbol: yahooSymbol,\n type: \"stock\",\n };\n}\n\nconst storedSymbols: string[] =\n ((await blob.getJSON(\"symbols\")) as string[] | null) || [];\nconst watchlist =\n ((await blob.getJSON(\"watchlist\")) as Array<{ symbol?: string }> | null) ||\n [];\nconst symbols: string[] = [...new Set([\n ...storedSymbols,\n ...watchlist\n .map((item) =>\n typeof item?.symbol === \"string\" ? item.symbol.trim().toUpperCase() : \"\"\n )\n .filter((symbol) => symbol && symbol !== \"BULK\"),\n])];\nconst lastPrices: LastPrices =\n ((await blob.getJSON(\"symbols_prices\")) as LastPrices | null) || {};\nconst historicalPrices: HistoricalPrices =\n ((await blob.getJSON(\"symbols_historical_prices\")) as HistoricalPrices | null) ||\n {};\n\n// ------------------\n// HELPERS FINNHUB\n// ------------------\n\nasync function fetchFinnhubJson(\n path: string,\n params: Record,\n): Promise {\n const url = new URL(`https://finnhub.io/api/v1/${path}`);\n url.searchParams.set(\"token\", FINNHUB_API_KEY!);\n\n for (const [k, v] of Object.entries(params)) {\n url.searchParams.set(k, v);\n }\n\n const res = await proxiedFetch(url.toString());\n if (!res.ok) {\n console.error(\n `Error HTTP ${res.status} (${path}):`,\n await res.text(),\n );\n return null;\n }\n\n const data = await res.json() as T & { error?: string };\n if (data?.error) {\n console.error(\"Error de Finnhub:\", data.error);\n return null;\n }\n\n return data;\n}\n\nasync function fetchQuoteFromFinnhub(\n symbol: string,\n): Promise<{ price: number; dailyVariation: number | null } | null> {\n const data = await fetchFinnhubJson(\"quote\", { symbol });\n if (!data) return null;\n\n const price = data.c;\n const prevClose = data.pc;\n\n if (!Number.isFinite(price)) return null;\n\n let dailyVariation: number | null = null;\n if (Number.isFinite(prevClose) && prevClose !== 0) {\n dailyVariation = ((price - 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