Реал-тайм через SSE (push-to-invalidate): живые приглашения/партии, авто-обновление без перезагрузки

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

backend/app/routers/admin.py

@@ -20,6 +20,7 @@ from app.services import (
     audit_service,
     faction_service,
     match_service,
+    notify,
     user_service,
 )
 
@@ -240,6 +241,7 @@ def update_match(
         ip=request.client.host if request.client else None,
     )
     session.commit()
+    notify.match_changed(session, match)
     return build_match_read(session, match, can_modify=True)
 
 
@@ -289,12 +291,14 @@ def delete_match(
     session: Session = Depends(get_session),
     admin: User = Depends(get_current_admin),
 ) -> s.OkResponse:
+    group_id = match_service.get_match(session, match_id).group_id  # для уведомления
     admin_service.delete_match(session, match_id)
     audit_service.record(
         session, actor_id=admin.id, action="delete", entity_type="match", entity_id=match_id,
         ip=request.client.host if request.client else None,
     )
     session.commit()
+    notify.match_removed(session, match_id, group_id)
     return s.OkResponse()
 
 
@@ -330,6 +334,7 @@ def admin_add_attachment(
     att = attachment_service.add_photo(
         session, match, admin, content, ext, user_service.avatar_media_type(ext)
     )
+    notify.match_changed(session, match)
     return attachment_read(att, f"/api/admin/matches/{match_id}")
 
 
@@ -342,6 +347,7 @@ def admin_delete_attachment(
 ) -> s.OkResponse:
     match = match_service.get_match(session, match_id)
     attachment_service.delete(session, match, attachment_id)
+    notify.match_changed(session, match)
     return s.OkResponse()