From 6d528140702d4af2f8e7a28416cfc520cdd50955 Mon Sep 17 00:00:00 2001
From: morluto <76467478+morluto@users.noreply.github.com>
Date: Sat, 17 Oct 2026 00:33:07 +0800
Subject: [PATCH] fix(kuna): retain fallback diagnostics for empty stderr

Refs #4374.

Preserve the command error when stderr contains no diagnostic text.
---
 src/kuna/KunaCommand.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/kuna/KunaCommand.ts b/src/kuna/KunaCommand.ts
index a1629feca3..b4f98dda60 100644
--- a/src/kuna/KunaCommand.ts
+++ b/src/kuna/KunaCommand.ts
@@ -346,7 +346,7 @@ const commandFailure = (
     kind: "failed",
     error: new ProviderAdapterError(KUNA_PROVIDER_ID, operation, {
       ...details,
-      userMessage: `kuna ${subcommand} failed${exitCode === undefined || exitCode === null ? "" : ` with exit code ${String(exitCode)}`}: ${capturedOutput?.stderr.trim().split("\n").at(-1) ?? cause.message}`,
+      userMessage: `kuna ${subcommand} failed${exitCode === undefined || exitCode === null ? "" : ` with exit code ${String(exitCode)}`}: ${capturedOutput?.stderr.trim().split("\n").at(-1) || cause.message}`,
     }),
   };
 };