From ec5c3c32cd2acaec16f0b6b26d2f0e6bb3030e3c Mon Sep 17 00:00:00 2001
From: Julius Marminge <julius0216@outlook.com>
Date: Wed, 18 Feb 2026 00:29:42 -0800
Subject: [PATCH] Prompt before reverting thread checkpoint

- Add a confirmation dialog before checkpoint revert
- Warn that newer messages and turn diffs will be discarded
- Cancel revert when the user does not confirm
---
 apps/web/src/components/ChatView.tsx | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/apps/web/src/components/ChatView.tsx b/apps/web/src/components/ChatView.tsx
index cfc5f81af0f7147119c05aaf770ac51de6c67e69..f4d0dcd0a438c1ea201c1ae15e7d830c0abfd8ac 100644
--- a/apps/web/src/components/ChatView.tsx
+++ b/apps/web/src/components/ChatView.tsx
@@ -1533,6 +1533,16 @@ export default function ChatView() {
         setThreadError(activeThread.id, "Interrupt the current turn before reverting checkpoints.");
         return;
       }
+      const confirmed = await api.dialogs.confirm(
+        [
+          `Revert this thread to checkpoint ${turnCount}?`,
+          "This will discard newer messages and turn diffs in this thread.",
+          "This action cannot be undone.",
+        ].join("\n"),
+      );
+      if (!confirmed) {
+        return;
+      }
 
       setIsRevertingCheckpoint(true);
       setThreadError(activeThread.id, null);
-- 
2.54.0