Updated Parse Signal Enhanced node to extract indicator version from alerts:
- Parses 'IND:v6' field from TradingView alert messages
- Defaults to 'v5' if version field not present (backward compatible)
- Passes indicatorVersion to Execute Trade endpoint
Updated Execute Trade1 node to include indicatorVersion in API payload:
- Added indicatorVersion field to JSON body
- Backend can now track which indicator version generated each signal
Backward Compatible:
- Old alerts without IND: field will default to 'v5'
- System works with or without version field
- No breaking changes to existing alerts
This enables version comparison analytics (v5 vs v6 performance) while
maintaining compatibility with any alerts that don't include the version.
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