From 7e4cab6c09851636679cac7a327dd16f73f7d64e Mon Sep 17 00:00:00 2001
From: Godopu <godopu16@gmail.com>
Date: Thu, 16 Jul 2026 21:21:07 +0900
Subject: [PATCH] fix(ui): expose stale banner under cold-start failures when
 no successful snapshot exists

---
 .../lib/src/widgets/stale_banner.dart         |   5 +++--
 .../test/incremental_kernel.Ly9AZGFydD0zLjA=  | Bin 4028768 -> 4028768 bytes
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/.agents/skills/multi-agent-mux-ui/apps/mam_desktop/lib/src/widgets/stale_banner.dart b/.agents/skills/multi-agent-mux-ui/apps/mam_desktop/lib/src/widgets/stale_banner.dart
index b3f93ae..5d6e430 100644
--- a/.agents/skills/multi-agent-mux-ui/apps/mam_desktop/lib/src/widgets/stale_banner.dart
+++ b/.agents/skills/multi-agent-mux-ui/apps/mam_desktop/lib/src/widgets/stale_banner.dart
@@ -12,11 +12,12 @@ class StaleBanner extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    if (!poll.stale) return const SizedBox.shrink();
+    final shouldShow = poll.stale || (poll.snapshot == null && poll.error != null);
+    if (!shouldShow) return const SizedBox.shrink();
 
     final lastOk = poll.lastOkAt;
     final lastOkText = lastOk == null
-        ? '?'
+        ? 'never'
         : '${lastOk.hour.toString().padLeft(2, '0')}:'
               '${lastOk.minute.toString().padLeft(2, '0')}:'
               '${lastOk.second.toString().padLeft(2, '0')}';
diff --git a/.agents/skills/multi-agent-mux-ui/packages/mam_core/.dart_tool/test/incremental_kernel.Ly9AZGFydD0zLjA= b/.agents/skills/multi-agent-mux-ui/packages/mam_core/.dart_tool/test/incremental_kernel.Ly9AZGFydD0zLjA=
index de3177fe12c3838fc5d01865ff72c5d7a7d04caa..b373850e69390ddadea7dd4f7fc22267707ed4b0 100644
GIT binary patch
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