Desktop app shows branch as 'Merged' when GitHub PR is still open

Description

The Claude Code desktop app displays a branch status indicator showing \"Merged\" for a branch whose corresponding GitHub PR is still open.

Steps to Reproduce

1. Create a branch and push it to GitHub
2. Open a PR from that branch — leave it open (do not merge)
3. Observe the branch/PR status indicator in the Claude Code desktop app

Expected Behavior

Branch indicator should reflect the actual GitHub PR state (open).

Actual Behavior

Branch indicator shows \"Merged\" despite the PR being open on GitHub.

Details

• Branch: \masonmackey/cashy-loop-companion-fixes\
• PR: open on GitHub
• Desktop app UI showed: \main ← masonmackey/cashy-loop-companion-fixes +21 -24 Merged\
• \gh pr view\ via CLI correctly returned \state: OPEN\

Environment

• Claude Code desktop app (Mac)
• Model: claude-sonnet-4-6