From 570be6fcc1f3bda8fec3e278dbccff2636b2e2be Mon Sep 17 00:00:00 2001
From: Jean-Luc Makiola <business@jeanlucmakiola.de>
Date: Wed, 8 Apr 2026 22:48:29 +0200
Subject: [PATCH] fix: prevent crash on login when user has no active threads

activeThreads[0].id in useEffect dependency array threw when the array
was empty. Use optional chaining to safely handle the empty case.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 src/client/components/AddToThreadModal.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/client/components/AddToThreadModal.tsx b/src/client/components/AddToThreadModal.tsx
index 956122a..67e696a 100644
--- a/src/client/components/AddToThreadModal.tsx
+++ b/src/client/components/AddToThreadModal.tsx
@@ -63,7 +63,7 @@ export function AddToThreadModal() {
 		open,
 		activeThreads.length,
 		activeThreads.some,
-		activeThreads[0].id,
+		activeThreads[0]?.id,
 		catalogSessionThreadId,
 	]);