merge annotate /ANNOTATE/core into /core.

fix chart updates

test_chart_data_fix.py

@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+"""
+Test script to verify chart data API works after refactoring
+"""
+
+import sys
+from pathlib import Path
+sys.path.insert(0, str(Path(__file__).parent))
+
+from core.data_provider import DataProvider
+from core.config import get_config
+
+def test_chart_data():
+    """Test that data provider can provide chart data for annotation UI"""
+    
+    print("Testing chart data after ANNOTATE/core refactoring...")
+    print("-" * 50)
+    
+    try:
+        # Initialize config and data provider
+        config = get_config()
+        data_provider = DataProvider(config)
+        
+        print("✅ DataProvider initialized successfully")
+        
+        # Test the annotation-specific method
+        symbol = 'ETH/USDT'
+        timeframe = '1m'
+        limit = 10
+        
+        print(f"\nTesting get_data_for_annotation({symbol}, {timeframe}, limit={limit})...")
+        
+        df = data_provider.get_data_for_annotation(
+            symbol=symbol,
+            timeframe=timeframe,
+            limit=limit,
+            direction='latest'
+        )
+        
+        if df is not None and not df.empty:
+            print(f"✅ Got {len(df)} candles")
+            print(f"   Latest timestamp: {df.index[-1]}")
+            print(f"   Latest close: {df.iloc[-1]['close']}")
+            print("✅ Chart data API working correctly!")
+        else:
+            print("❌ No data returned")
+            
+    except Exception as e:
+        print(f"❌ Error: {e}")
+        import traceback
+        traceback.print_exc()
+
+if __name__ == "__main__":
+    test_chart_data()