Initial commit: Gold Trading Simulator with AI-powered analysis

backend/app/providers/typing.py

@@ -0,0 +1,18 @@
+from __future__ import annotations
+from dataclasses import dataclass
+from datetime import datetime
+
+
+@dataclass
+class Kline:
+    symbol: str
+    timeframe: str
+    open_time: datetime
+    close_time: datetime
+    open: float
+    high: float
+    low: float
+    close: float
+    volume: float = 0.0
+    is_closed: bool = True
+    source: str = "other"