Stage 04.3 - repositories, balance snapshots and environment mode fix

app/src/integrations/exchange/service.py

@@ -312,9 +312,15 @@ class ExchangeService:
         else:
             updated_at = "n/a"
 
+        source = (
+            "dzengi-demo-api"
+            if "demo" in self.settings.exchange_base_url.lower()
+            else "dzengi-api"
+        )
+
         return TickerPrice(
             symbol=symbol,
             price=float(price_raw),
-            source="dzengi-demo-api",
+            source=source,
             updated_at=updated_at,
         )