refactor: migrate legacy wire namespace to wrn

packages/realtime/src/client.ts

@@ -11,7 +11,7 @@ export interface BrowserRoomConnection {
 }
 
 export interface WrnexusRealtimeWindow extends Window {
-  wire?: {
+  wrn?: {
     room?: (name: string, query?: string) => BrowserRoomConnection;
   };
 }
@@ -40,7 +40,7 @@ export function connectRoom(
 ): BrowserRoomConnection {
   const roomName = assertRealtimeRoomName(name);
   const target = options.window ?? (globalThis as unknown as WrnexusRealtimeWindow);
-  const factory = target.wire?.room;
+  const factory = target.wrn?.room;
   if (!factory) {
     throw new Error(
       "WRN-REALTIME-CLIENT-NOT-READY: add a RealtimeRoom/data-room component before calling connectRoom().",