Add demo scripts for Coinbase and CryptoCompare; remove outdated market agent demo

demos/cryptocompare_demo.py

@@ -0,0 +1,36 @@
+#### FOR ALL FILES OUTSIDE src/ FOLDER ####
+import sys
+import os
+sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), '../src')))
+###########################################
+
+from dotenv import load_dotenv
+from app.markets.cryptocompare import CryptoCompareWrapper
+
+def main():
+    print("Demo CryptoCompare")
+
+    print("=== Chiavi API ===")
+    print(f"  CRYPTOCOMPARE_API_KEY: {os.getenv('CRYPTOCOMPARE_API_KEY') is not None}")
+
+    # Inizializza le API
+    cryptocompare = CryptoCompareWrapper()
+
+    # ottenimento prezzo attuale
+    print("=== Demo prezzo attuale ===")
+    test_symbols = ["BTC", "ETH", "ADA"]
+    for symbol in test_symbols:
+        info = cryptocompare.get_product(symbol)
+        print(f"  {symbol}: ${info.price:,.2f}")
+
+    # ottenimento prezzi storici
+    print("=== Demo prezzi storici ===")
+    test_symbols = ["BTC", "ETH"]
+    for symbol in test_symbols:
+        prices = cryptocompare.get_historical_prices(symbol)
+        prices = [f'[${entry.high:,.2f}-${entry.low:,.2f}]' for entry in prices]
+        print(f"  {symbol}: {" ".join(prices[:5])}") # mostra solo i primi 5
+
+if __name__ == "__main__":
+    load_dotenv()
+    main()