Unregister & Unsubscribe vom SSE für Keys eingebaut

api/src/modules/realtime/sse/sse.controller.ts

@@ -2,7 +2,7 @@ import { Controller, Get, Param, Query, Req, Sse, UnauthorizedException, UseGuar
 import { AuthenticatedRequest } from 'src/model/interface/authenticated-request.interface';
 import { SseTicketService } from './sse-ticket.service';
 import { AuthGuard } from 'src/core/guards/auth.guard';
-import { Observable } from 'rxjs';
+import { finalize, Observable } from 'rxjs';
 import { SseService } from './sse.service';
 
 @Controller('sse')
@@ -23,6 +23,10 @@ export class SseController {
     if (!userId) throw new UnauthorizedException('Invalid/expired ticket');
     
 
-    return this.sseService.register(userId);
+    return this.sseService.register(userId).pipe(
+      finalize(() => {
+        this.sseService.unregister(userId)
+      })
+    );
   }
 }