- Only 5min signals execute trades (production)
- 15min/1H/4H/Daily signals saved to BlockedSignal table for analysis
- Enables cross-timeframe performance comparison
- Zero financial risk - non-5min signals just collect data
- blockReason: 'DATA_COLLECTION_ONLY' for easy filtering
- Returns HTTP 200 (not 400) since this is expected behavior
- Prepares for future timeframe optimization decisions