"Continue on web" button immediately triggers execution without input, and based solely on the planning file.

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

When using "Continue on web" to transfer a Claude Code desktop session, the web session immediately begins autonomous execution without waiting for user input. It constructs a handoff summary using only the session's plan file, not conversation, and starts acting on it entirely in the background with no confirmation step.

In my case, the session had fully completed a multi-phase pipeline, But the plan file still showed "Phase 2: IN PROGRESS" because it was never updated as phases completed. The web session read this stale plan, concluded the work was incomplete, and re-launched the entire pipeline from scratch, spawning multiple 4.6 agents. This consumed my entire token usage allocation in minutes with no warning or knowledge it was even running.

What Should Happen?

"Continue on web" should open the web session and wait for the user to review the context and send a message before taking any action. The user clicks this button expecting to continue a conversation, not to trigger an autonomous pipeline with 0 oversight ability, based on the least reliable file in the whole system, with 0 expectation or warning.

At minimum: the move to web button should warn the user that this will prompt the new agent and it may start taking actions, + that the handover will be based on the plan file only.

Error Messages/Logs

Steps to Reproduce

Click "migrate to web" on claude code desktop app, especially with an out-of-date project plan file that will cause the handover to instruct the new session to start working.

Claude Model

Opus

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

Claude 1.1.8629 (befdfc) 2026-03-24T22:13:01.000Z

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

<img width="1032" height="933" alt="Image" src="https://github.com/user-attachments/assets/7babde3f-686d-4d97-9bd9-2955961cecba" />