feat: Add game activity status (Experimental)

toju-app/src/app/domains/server-directory/infrastructure/services/server-directory-api.service.ts

@@ -8,7 +8,11 @@ import {
   of,
   throwError
 } from 'rxjs';
-import { catchError, map, scan } from 'rxjs/operators';
+import {
+  catchError,
+  map,
+  scan
+} from 'rxjs/operators';
 import {
   ChannelPermissionOverride,
   type Channel,
@@ -32,6 +36,19 @@ import type {
 } from '../../domain/models/server-directory.model';
 import type { RoomSignalSourceInput } from '../../domain/logic/room-signal-source.logic';
 
+interface ServerLookupError {
+  status?: number;
+  error?: {
+    errorCode?: unknown;
+  };
+}
+
+function isServerNotFoundError(error: unknown): boolean {
+  const lookupError = error as ServerLookupError;
+
+  return lookupError?.status === 404 && lookupError.error?.errorCode === 'SERVER_NOT_FOUND';
+}
+
 @Injectable({ providedIn: 'root' })
 export class ServerDirectoryApiService {
   private readonly http = inject(HttpClient);
@@ -90,6 +107,10 @@ export class ServerDirectoryApiService {
     return this.http.get<ServerInfo>(`${this.getApiBaseUrl(selector)}/servers/${serverId}`).pipe(
       map((server) => this.normalizeServerInfo(server, this.resolveEndpoint(selector))),
       catchError((error) => {
+        if (isServerNotFoundError(error)) {
+          return of(null);
+        }
+
         console.error('Failed to get server:', error);
         return of(null);
       })