fix: include api key in tenant websocket endpoint

server/im_http.go

@@ -856,8 +856,12 @@ func imPublicEndpoints(req *http.Request) map[string]any {
 	} else if strings.HasPrefix(wsBase, "http://") {
 		wsBase = "ws://" + strings.TrimPrefix(wsBase, "http://")
 	}
+	wsEndpoint := strings.TrimRight(wsBase, "/") + "/v0/channels"
+	if apiKey := strings.TrimSpace(getAPIKey(req)); apiKey != "" {
+		wsEndpoint += "?apikey=" + url.QueryEscape(apiKey)
+	}
 	return map[string]any{
-		"websocket": strings.TrimRight(wsBase, "/") + "/v0/channels",
+		"websocket": wsEndpoint,
 		"api":       strings.TrimRight(base, "/") + "/v1/im",
 		"file":      strings.TrimRight(base, "/") + "/v0/file",
 	}