- Added live BTC price section showing prices from Coinbase, Binance, and Kraken
- Displays average price calculated from enabled sources
- Shows prices in configured currency (USD by default)
- Auto-refreshes every 60 seconds
- Manual refresh button available
- New API endpoint: GET /api/admin/crypto/btc-prices
- Fetches real-time prices from exchange APIs
- Gracefully handles disabled sources and API errors
- Shows 'Disabled' for unchecked sources, 'Error' for failed fetches