- Updated UI to show prices for all 4 supported cryptocurrencies
- Each crypto has its own section with color-coded borders
- Shows prices from Coinbase, Binance, and Kraken for each
- Displays average price (applied) for each cryptocurrency
- New API endpoint: GET /api/admin/crypto/prices (returns all 4 cryptos)
- Legacy endpoint /api/admin/crypto/btc-prices still works (redirects)
- Handles stablecoin pricing correctly (USDT/USDC near 1.00)
- Auto-refreshes all prices every 60 seconds
- Single refresh button updates all cryptocurrencies