From 5d5f10b2d8d8f040a3ff01fed52b0a51c4e9bea2 Mon Sep 17 00:00:00 2001
From: Evan Reichard <evan@reichard.io>
Date: Tue, 28 Apr 2026 23:34:46 -0400
Subject: [PATCH] fix(chat): preserve messages array during chat update

Object.assign was overwriting the existing messages array before the
ternary fallback could reference it. Capture the reference beforehand.
---
 frontend/src/components/chatManager.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/frontend/src/components/chatManager.ts b/frontend/src/components/chatManager.ts
index 32048f5..ac6a6a3 100644
--- a/frontend/src/components/chatManager.ts
+++ b/frontend/src/components/chatManager.ts
@@ -152,10 +152,13 @@ Alpine.data('chatManager', () => ({
         chat = { ...chunk.chat, messages: chunk.chat.messages || [] };
         this.chats.unshift(chat);
       } else {
+        // Preserve Messages - Object.assign would overwrite the existing
+        // messages array before we can check whether the chunk has any.
+        const existingMessages = chat.messages;
         Object.assign(chat, chunk.chat);
         chat.messages = chunk.chat.messages?.length
           ? chunk.chat.messages
-          : chat.messages;
+          : existingMessages;
       }
       this.selectedChatID = chunk.chat.id;
       this.updateHash(chunk.chat.id);