From a02016416147128a85b8388e556c487f5caad7c5 Mon Sep 17 00:00:00 2001
From: Spencer Tang <spencertang@google.com>
Date: Wed, 8 Apr 2026 16:48:49 -0400
Subject: [PATCH] fix(core): apply history truncation to ChatRecordingService

---
 packages/core/src/services/chatRecordingService.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packages/core/src/services/chatRecordingService.ts b/packages/core/src/services/chatRecordingService.ts
index c71519f858..c2afc8867a 100644
--- a/packages/core/src/services/chatRecordingService.ts
+++ b/packages/core/src/services/chatRecordingService.ts
@@ -577,6 +577,12 @@ export class ChatRecordingService {
   ) {
     const conversation = this.readConversation();
     updateFn(conversation);
+    // Enforce a hard limit of 1000 items to prevent unbounded memory and file growth
+    if (conversation.messages.length > 1000) {
+      conversation.messages = conversation.messages.slice(
+        conversation.messages.length - 1000,
+      );
+    }
     this.writeConversation(conversation);
   }