Fix: Analytics Worker berechnet jetzt alle Tabellen pro Tag

src/exchanges/base.py

@@ -19,7 +19,11 @@ class BaseExchange(abc.ABC):
     def fetch_latest_trades(self) -> List[Trade]:
         pass
 
-    @property
     @abc.abstractmethod
     def name(self) -> str:
         pass
+
+    def fetch_trades_generator(self, **kwargs):
+        """Standard generator implementation that yields batches from fetch_latest_trades.
+        Subclasses should override this if they can stream data more efficiently."""
+        yield self.fetch_latest_trades(**kwargs)