fix pred candles viz

ANNOTATE/web/app.py

@@ -16,7 +16,7 @@ sys.path.insert(0, str(parent_dir))
 from flask import Flask, render_template, request, jsonify, send_file
 from dash import Dash, html
 import logging
-from datetime import datetime
+from datetime import datetime, timezone
 from typing import Optional, Dict, List, Any
 import json
 import pandas as pd
@@ -2448,7 +2448,7 @@ class AnnotationDashboard:
             return {
                 'symbol': symbol,
                 'timeframe': timeframe,
-                'timestamp': datetime.now().isoformat(),
+                'timestamp': datetime.now(timezone.utc).isoformat(),
                 'action': random.choice(['BUY', 'SELL', 'HOLD']),
                 'confidence': random.uniform(0.6, 0.95),
                 'predicted_price': candles[-1].get('close', 0) * (1 + random.uniform(-0.01, 0.01)),