Refactor Predictor and market data handling

- Added Predictor class with input preparation and instructions for financial strategy generation.
- Removed PredictorAgent class and integrated its functionality into the new Predictor module.
- Created a base market API wrapper and specific implementations for Coinbase and CryptoCompare.
- Introduced PublicBinanceAgent for fetching public prices from Binance.
- Refactored ToolAgent to utilize the new Predictor and market API wrappers for improved data handling and predictions.
- Updated models to streamline the selection of available LLM providers.
- Removed deprecated signer classes for Coinbase and CryptoCompare.

src/app/markets/binance.py

@@ -0,0 +1,27 @@
+# Versione pubblica senza autenticazione
+from binance.client import Client
+
+class PublicBinanceAgent:
+    def __init__(self):
+        # Client pubblico (senza credenziali)
+        self.client = Client()
+
+    def get_public_prices(self):
+        """Ottiene prezzi pubblici"""
+        try:
+            btc_price = self.client.get_symbol_ticker(symbol="BTCUSDT")
+            eth_price = self.client.get_symbol_ticker(symbol="ETHUSDT")
+
+            return {
+                'BTC_USD': float(btc_price['price']),
+                'ETH_USD': float(eth_price['price']),
+                'source': 'binance_public'
+            }
+        except Exception as e:
+            print(f"Errore: {e}")
+            return None
+
+# Uso senza credenziali
+public_agent = PublicBinanceAgent()
+public_prices = public_agent.get_public_prices()
+print(public_prices)