two things:

fix bug with newer HA versions by sending int id instead of string
add warning to logs when receiving unsuccessful websocket response

internal/services/services.go

@@ -2,7 +2,6 @@ package services
 
 import (
 	"context"
-	"fmt"
 
 	"saml.dev/gome-assistant/internal"
 	ws "saml.dev/gome-assistant/internal/websocket"
@@ -32,7 +31,7 @@ func BuildService[
 }
 
 type BaseServiceRequest struct {
-	Id          string         `json:"id"`
+	Id          int64          `json:"id"`
 	RequestType string         `json:"type"` // hardcoded "call_service"
 	Domain      string         `json:"domain"`
 	Service     string         `json:"service"`
@@ -45,7 +44,7 @@ type BaseServiceRequest struct {
 func NewBaseServiceRequest(entityId string) BaseServiceRequest {
 	id := internal.GetId()
 	bsr := BaseServiceRequest{
-		Id:          fmt.Sprint(id),
+		Id:          id,
 		RequestType: "call_service",
 	}
 	if entityId != "" {

internal/websocket/reader.go

@@ -3,6 +3,7 @@ package websocket
 import (
 	"context"
 	"encoding/json"
+	"fmt"
 	"log"
 
 	"github.com/gorilla/websocket"
@@ -11,11 +12,13 @@ import (
 type BaseMessage struct {
 	Type    string `json:"type"`
 	Id      int64  `json:"id"`
+	Success bool   `json:"success"`
 }
 
 type ChanMsg struct {
 	Id      int64
 	Type    string
+	Success bool
 	Raw     []byte
 }
 
@@ -29,11 +32,18 @@ func ListenWebsocket(conn *websocket.Conn, ctx context.Context, c chan ChanMsg)
 			break
 		}
 
-		base := BaseMessage{}
+		base := BaseMessage{
+			// default to true for messages that don't include "success" at all
+			Success: true,
+		}
 		json.Unmarshal(bytes, &base)
+		if !base.Success {
+			fmt.Println("WARNING: received unsuccessful response:", string(bytes))
+		}
 		chanMsg := ChanMsg{
 			Type:    base.Type,
 			Id:      base.Id,
+			Success: base.Success,
 			Raw:     bytes,
 		}