diff --git a/agent/characters/hendrik/service.default.yaml b/agent/characters/hendrik/service.default.yaml
index 86bb17b..d6d7c2e 100644
--- a/agent/characters/hendrik/service.default.yaml
+++ b/agent/characters/hendrik/service.default.yaml
@@ -11,6 +11,7 @@ xmpp:
   nickname: "" # custom MUC nickname (empty = use username)
   selective_response: true # true = only response if mentioned/relevant
   debug: false # true = tampilkan log debug menyeluruh (semua stanza XML, lifecycle, dll)
+  mute_session_end: false # true = tidak kirim pesan saat sesi berakhir (timeout)
 
 telegram:
   enabled: false
@@ -18,4 +19,5 @@ telegram:
   allowed_group_ids: # YAML list, empty = all group. e.g.:
   #   - "123456789"
   #   - "987654321"
-  selective_response: true # true = only response if mentioned/relevant
\ No newline at end of file
+  selective_response: true # true = only response if mentioned/relevant
+  mute_session_end: false # true = tidak kirim pesan saat sesi berakhir (timeout)