Function saveCache

src/hooks/useMarketData.ts:23–27

(provider: MarketProvider, quotes: MarketQuote[])

}

function saveCache(provider: MarketProvider, quotes: MarketQuote[]) {
    try {
        localStorage.setItem(cacheKey(provider), JSON.stringify({ quotes, timestamp: Date.now() }));
    } catch { /* quota exceeded — ignore */ }
}

// --- Yahoo Finance ---
async function fetchYahoo(symbol: string): Promise<MarketQuote> {