diff --git a/codex-rs/tui/src/chatwidget/snapshots/codex_tui__chatwidget__tests__watchdog_goodbye_message_closes_subagent_panel_row.snap b/codex-rs/tui/src/chatwidget/snapshots/codex_tui__chatwidget__tests__watchdog_goodbye_message_closes_subagent_panel_row.snap
new file mode 100644
index 0000000000..82e9bd8641
--- /dev/null
+++ b/codex-rs/tui/src/chatwidget/snapshots/codex_tui__chatwidget__tests__watchdog_goodbye_message_closes_subagent_panel_row.snap
@@ -0,0 +1,10 @@
+---
+source: tui/src/chatwidget/tests/app_server.rs
+assertion_line: 801
+expression: screen
+---
+
+
+› Ask Codex to do anything
+
+  gpt-5.5 default · /tmp/project
diff --git a/codex-rs/tui/src/chatwidget/snapshots/codex_tui__chatwidget__tests__watchdog_goodbye_message_inserts_close_history.snap b/codex-rs/tui/src/chatwidget/snapshots/codex_tui__chatwidget__tests__watchdog_goodbye_message_inserts_close_history.snap
new file mode 100644
index 0000000000..b1b1d8fb24
--- /dev/null
+++ b/codex-rs/tui/src/chatwidget/snapshots/codex_tui__chatwidget__tests__watchdog_goodbye_message_inserts_close_history.snap
@@ -0,0 +1,13 @@
+---
+source: tui/src/chatwidget/tests/app_server.rs
+assertion_line: 789
+expression: inserted
+---
+• Spawned Boyle [watchdog] (arcanine 1m low)
+  └ Every time you start, respond with exactly `ping $RANDOM ($SUM)`.
+
+
+• Agent message: goodbye from /root/watchdog
+
+
+• Closed Boyle [watchdog]