feat: subscribe to RabbitMQ trade signals and notify by rules

Consume configurable queues, format signals (including period), share NotifyService with HTTP, and drop duplicate bodies within 1h.

internal/subscriber/tradesignal/signal.go

@@ -0,0 +1,36 @@
+package tradesignal
+
+import "time"
+
+type Signal struct {
+	SignalID          string   `json:"signalId"`
+	SourcePosID       string   `json:"sourcePosId"`
+	StrategyCode      string   `json:"strategyCode"`
+	Symbol            string   `json:"symbol"`
+	Side              string   `json:"side"`
+	Action            string   `json:"action"`
+	Quantity          *float64 `json:"quantity"`
+	AmountMarginRatio *float64 `json:"amountMarginRatio"`
+	PosMarginRatio    *float64 `json:"posMarginRatio"`
+	Price             float64  `json:"price"`
+	Leverage          int      `json:"leverage"`
+	Period            string   `json:"period"`
+	EventTime         string   `json:"eventTime"`
+	TakeProfitPrice   *float64 `json:"takeProfitPrice"`
+	StopLossPrice     *float64 `json:"stopLossPrice"`
+	TakeProfitRatio   *float64 `json:"takeProfitRatio"`
+	StopLossRatio     *float64 `json:"stopLossRatio"`
+	PnL               *float64 `json:"pnl"`
+	AccountBalance    *float64 `json:"accountBalance"`
+}
+
+func (s *Signal) ParsedEventTime() time.Time {
+	if s.EventTime == "" {
+		return time.Now().UTC()
+	}
+	t, err := time.Parse(time.RFC3339, s.EventTime)
+	if err != nil {
+		return time.Now().UTC()
+	}
+	return t
+}