[BUG]

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?

Bug: Sessions not appearing in sidebar on Windows

App version: Claude 1.4758.0 (fb266c) — 2026-04-24T20:22:30.000Z
OS: Windows (username with space: Marcio trabalho)
Extension: anthropic.claude-code 2.1.120

---

Description

Sessions created via the Claude Desktop app (entrypoint: claude-desktop) are not displayed in the sidebar under "Recents" or "Projects". The sessions are being saved correctly to disk at ~/.claude/projects/ and ~/.claude/sessions/, but the UI does not read or display them.

What Should Happen?

Expected behavior

Sessions created via Claude Desktop should appear in the sidebar under Recents and Projects.

Actual behavior

Sidebar is always empty. Sessions are only accessible via claude --resume in the terminal.

Error Messages/Logs

Steps to Reproduce

Steps to reproduce

1. Open Claude Desktop on Windows with a username that contains a space
2. Start one or more Code sessions
3. Close and reopen the app
4. Observe that no sessions appear in the sidebar

---

What I found

Sessions exist on disk:

• ~/.claude/projects/ contains 14 JSONL files with 394 turns across 10 sessions
• ~/.claude/sessions/3768.json exists with entrypoint: claude-desktop

Error in main.log (repeated dozens of times on startup):

[error] [uncaught exception in main]: Error: Expected lock to be held for topic uss-artifactReview
    at ZGe._getOrCreateTopic (main.js:4584:23557)
    at ZGe.pushUpdate (main.js:4584:24335)

App data location:

• App installed at: C:\Users\Marcio trabalho\AppData\Local\Programs\Antigravity\
• App data at: C:\Users\Marcio trabalho\AppData\Roaming\Antigravity\
• No claude-code-sessions folder was ever created by the app

---

Hypothesis

The repeated Expected lock to be held for topic uss-artifactReview error on startup may be corrupting the internal state that populates the sidebar with recent sessions. The username containing a space (Marcio trabalho) may also be a contributing factor.

---

Claude Model

Not sure / Multiple models

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Claude 1.5354.0 (9a9e3d) 2026-04-29T01:14:34.000Z

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

_No response_