Vasily.onl b49e39dcb4 Implement multi-timeframe support for indicators
- Enhanced the `UserIndicator` class to include an optional `timeframe` attribute for custom indicator timeframes.
- Updated the `get_indicator_data` method in `MarketDataIntegrator` to fetch and calculate indicators based on the specified timeframe, ensuring proper data alignment and handling.
- Modified the `ChartBuilder` to pass the correct DataFrame for plotting indicators with different timeframes.
- Added UI elements in the indicator modal for selecting timeframes, improving user experience.
- Updated relevant JSON templates to include the new `timeframe` field for all indicators.
- Refactored the `prepare_chart_data` function to ensure it returns a DataFrame with a `DatetimeIndex` for consistent calculations.

This commit enhances the flexibility and usability of the indicator system, allowing users to analyze data across various timeframes.
2025-06-06 15:06:17 +08:00

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JSON

{
"id": "ema_b869638d",
"name": "EMA 12 (15 minutes)",
"description": "",
"type": "ema",
"display_type": "overlay",
"parameters": {
"period": 12
},
"styling": {
"color": "#007bff",
"line_width": 2,
"opacity": 1.0,
"line_style": "solid"
},
"timeframe": "15m",
"visible": true,
"created_date": "2025-06-06T06:56:54.181578+00:00",
"modified_date": "2025-06-06T06:56:54.181578+00:00"
}