refactor: update WebSocket API routes for improved clarity and structure

web/lib/api/admin.ts

@@ -542,7 +542,7 @@ export function createAdminWebSocketUrl() {
   const params = new URLSearchParams({
     accessToken: session.accessToken,
   })
-  return `${baseUrl}/api/dashboard/ws?${params.toString()}`
+  return `${baseUrl}/api/ws/dashboard?${params.toString()}`
 }
 
 export function fetchChannels(

web/lib/im-realtime.ts

@@ -32,6 +32,6 @@ export function createImRealtimeConnection() {
       ? `&externalName=${encodeURIComponent(externalName)}`
       : ""
   return new WebSocket(
-    `${baseUrl}/api/open/im/ws?externalId=${externalId}&externalSource=${externalSource}&channelId=${channelId}${nameQuery}`
+    `${baseUrl}/api/ws/open?externalId=${externalId}&externalSource=${externalSource}&channelId=${channelId}${nameQuery}`
   )
 }