fix: harden real backend workflows and channel connections

gateway/internal/queue/messages.go

@@ -7,10 +7,11 @@ const SchemaVersion = "v1"
 type MessageType string
 
 const (
-	MessageTypeSubmitCommand MessageType = "SubmitCommand"
-	MessageTypeSubmitResult  MessageType = "SubmitResult"
-	MessageTypeReceiptEvent  MessageType = "ReceiptEvent"
-	MessageTypeUplinkEvent   MessageType = "UplinkEvent"
+	MessageTypeSubmitCommand  MessageType = "SubmitCommand"
+	MessageTypeSubmitResult   MessageType = "SubmitResult"
+	MessageTypeReceiptEvent   MessageType = "ReceiptEvent"
+	MessageTypeUplinkEvent    MessageType = "UplinkEvent"
+	MessageTypeConnectChannel MessageType = "ConnectChannel"
 )
 
 type Envelope struct {
@@ -88,3 +89,27 @@ type UplinkEvent struct {
 	Content     string    `json:"content"`
 	ReceivedAt  time.Time `json:"receivedAt"`
 }
+
+type ConnectChannelCommand struct {
+	SchemaVersion      string               `json:"schemaVersion"`
+	MessageType        MessageType          `json:"messageType"`
+	TraceID            string               `json:"traceId"`
+	ChannelID          string               `json:"channelId"`
+	ConnectionID       string               `json:"connectionId"`
+	CreatedAt          time.Time            `json:"createdAt"`
+	Reason             string               `json:"reason"`
+	DesiredConnections int                  `json:"desiredConnections"`
+	Channel            ConnectChannelConfig `json:"channel"`
+}
+
+type ConnectChannelConfig struct {
+	Code               string `json:"code"`
+	Name               string `json:"name"`
+	GatewayHost        string `json:"gatewayHost"`
+	GatewayPort        int    `json:"gatewayPort"`
+	Account            string `json:"account"`
+	PasswordCipher     string `json:"passwordCipher"`
+	SrcID              string `json:"srcId"`
+	CMPPVersion        string `json:"cmppVersion"`
+	RateLimitPerSecond int    `json:"rateLimitPerSecond"`
+}