almost done, queue fix next

sim.go

@@ -34,23 +34,24 @@ type GatewayAck struct {
 	Type   string `json:"type"`
 }
 
-type MinecraftUser struct {
+type User struct {
 	ID   string `json:"id"`
 	Name string `json:"name"`
 }
 
 type Destination struct {
-	ChannelID string `json:"channel_id"`
+	ID string `json:"channel_id,omitempty"`
 }
 
-type GatewayModMessageIn struct {
-	MsgID       string                 `json:"msg_id"`
-	Server      string                 `json:"server"`
-	Destination Destination            `json:"destination"`
-	Author      MinecraftUser          `json:"author"`
-	Content     string                 `json:"content"`
-	Meta        map[string]interface{} `json:"meta,omitempty"`
-	Ts          string                 `json:"ts,omitempty"`
+type GatewayMessageIn struct {
+	ID          string                 `json:"id"`                    // where am I from (channel_id or server_id)
+	MsgID       string                 `json:"msg_id"`                // msg id
+	Destination Destination            `json:"destination,omitempty"` // where do I wanna go (channel_id or empty if from Bot)
+	Author      User                   `json:"author"`                // who sent the message
+	Content     string                 `json:"content"`               // message content
+	Meta        map[string]interface{} `json:"meta,omitempty"`        // additional metadata
+	Ts          time.Time              `json:"ts,omitempty"`          // timestamp
+	ReceivedAt  time.Time              `json:"-"`                     // ReceivedAt is populated by gateway (not from mod)
 }
 
 func main() {
@@ -140,18 +141,18 @@ func main() {
 
 	// Optional: Send a test message after connecting
 	time.Sleep(2 * time.Second)
-	testMsg := GatewayModMessageIn{
-		MsgID:  "test-msg-001",
-		Server: serverID,
+	testMsg := GatewayMessageIn{
+		MsgID: "test-msg-001",
+		ID:    serverID,
 		Destination: Destination{
-			ChannelID: "123456789",
+			ID: "123456789",
 		},
-		Author: MinecraftUser{
+		Author: User{
 			ID:   "player-uuid-123",
 			Name: "TestPlayer",
 		},
 		Content: "Hello from simulated mod!",
-		Ts:      time.Now().UTC().Format(time.RFC3339),
+		Ts:      time.Now().UTC(),
 	}
 
 	if err := conn.WriteJSON(testMsg); err != nil {