Bug fixes in input and onramp. Hot config reload on signals. Added example utility scripts for signals.

onramp/onramp.go

@@ -211,9 +211,19 @@ func (a *Aggregator) serve(host string, port int) {
 			var response interface{}
 			a.mu.RLock()
 			if cmd == "live" {
+				// Deep copy the cache
+				cacheCopy := make(map[string]map[int64]*Candle)
+				for tf, candles := range a.cache {
+					cacheCopy[tf] = make(map[int64]*Candle)
+					for ts, candle := range candles {
+						// Copy the candle struct
+						candleCopy := *candle
+						cacheCopy[tf][ts] = &candleCopy
+					}
+				}
 				response = map[string]interface{}{
 					"type": "live_candles",
-					"data": a.cache,
+					"data": cacheCopy,
 				}
 			} else {
 				response = map[string]interface{}{