[Bug] EnterWorktree creates nested worktrees when invoked from existing worktree

Bug Description

• Title: EnterWorktree nests worktrees when invoked from inside an existing

worktree

• Root cause: Uses git rev-parse --show-toplevel (returns worktree root)

instead of git rev-parse --git-common-dir

• Repro: Open a worktree in VS Code → use EnterWorktree → new worktree is

nested inside the current one

Environment Info

• Platform: darwin
• Terminal: windsurf
• Version: 2.1.49
• Feedback ID: d8ef5c59-0e88-45b0-b968-623113f694ac

Errors

[{"error":"Error: ENOENT: no such file or directory, open '/Users/yaatehr-talvy/.claude/remote-settings.json'\n    at openSync (unknown)\n    at readSync (/$bunfs/root/claude:12:1441)\n    at I2 (/$bunfs/root/claude:6070:113)\n    at k5 (/$bunfs/root/claude:6072:226)\n    at dZA (/$bunfs/root/claude:2058:49788)\n    at aLR (/$bunfs/root/claude:2058:49951)\n    at AY8 (/$bunfs/root/claude:6057:1234)\n    at Z$T (/$bunfs/root/claude:6057:2112)\n    at IB (/$bunfs/root/claude:6057:2039)\n    at xT0 (/$bunfs/root/claude:6089:5361)","timestamp":"2026-02-21T23:56:10.265Z"},{"error":"Error: ENOENT: no such file or directory, open '/Users/yaatehr-talvy/.claude/remote-settings.json'\n    at openSync (unknown)\n    at readSync (/$bunfs/root/claude:12:1441)\n    at I2 (/$bunfs/root/claude:6070:113)\n    at k5 (/$bunfs/root/claude:6072:226)\n    at dZA (/$bunfs/root/claude:2058:49788)\n    at rZA (/$bunfs/root/claude:2058:53056)\n    at jAB (/$bunfs/root/claude:2058:53961)\n    at <anonymous> (/$bunfs/root/claude:11359:510)\n    at <anonymous> (/$bunfs/root/claude:6105:1974)\n    at forEach (native:1:11)","timestamp":"2026-02-21T23:56:10.280Z"},{"error":"Error: ENOENT: no such file or directory, open '/Users/yaatehr-talvy/.claude/remote-settings.json'\n    at openSync (unknown)\n    at readSync (/$bunfs/root/claude:12:1441)\n    at I2 (/$bunfs/root/claude:6070:113)\n    at k5 (/$bunfs/root/claude:6072:226)\n    at dZA (/$bunfs/root/claude:2058:49788)\n    at aLR (/$bunfs/root/claude:2058:49951)\n    at B_ (/$bunfs/root/claude:6056:6721)\n    at JPT (/$bunfs/root/claude:262:20610)\n    at W4R (/$bunfs/root/claude:262:21105)\n    at psB (/$bunfs/root/claude:5713:11993)","timestamp":"2026-02-21T23:56:10.280Z"},{"error":"Error: ENOENT: no such file or directory, open '/Users/yaatehr-talvy/.claude/remote-settings.json'\n    at openSync (unknown)\n    at readSync (/$bunfs/root/claude:12:1441)\n    at I2 (/$bunfs/root/claude:6070:113)\n    at k5 (/$bunfs/root/claude:6072:226)\n    at dZA (/$bunfs/root/claude:2058:49788)\n    at aLR (/$bunfs/root/claude:2058:49951)\n    at B_ (/$bunfs/root/claude:6056:6721)\n    at CPT (/$bunfs/root/claude:262:21215)\n    at W4R (/$bunfs/root/claude:262:21177)\n    at psB (/$bunfs/root/claude:5713:11993)","timestamp":"2026-02-21T23:56:10.281Z"},{"error":"Error: ENOENT: no such file or directory, open '/Users/yaatehr-talvy/.claude/remote-settings.json'\n    at openSync (unknown)\n    at readSync (/$bunfs/root/claude:12:1441)\n    at I2 (/$bunfs/root/claude:6070:113)\n    at k5 (/$bunfs/root/claude:6072:226)\n    at dZA (/$bunfs/root/claude:2058:49788)\n    at aLR (/$bunfs/root/claude:2058:49951)\n    at B_ (/$bunfs/root/claude:6056:6721)\n    at ggA (/$bunfs/root/claude:6026:36337)\n    at mgA (/$bunfs/root/claude:6026:37070)\n    at ZV8 (/$bunfs/root/claude:10971:4348)\n    at async <anonymous> (/$bunfs/root/claude:11384:2312)","timestamp":"2026-02-21T23:56:10.286Z"},{"error":"Error: ENOENT: no such file or directory, open '/Users/yaatehr-talvy/.claude/remote-settings.json'\n    at openSync (unknown)\n    at readSync (/$bunfs/root/claude:12:1441)\n    at I2 (/$bunfs/root/claude:6070:113)\n    at k5 (/$bunfs/root/claude:6072:226)\n    at dZA (/$bunfs/root/claude:2058:49788)\n    at aLR (/$bunfs/root/claude:2058:49951)\n    at AY8 (/$bunfs/root/claude:6057:1234)\n    at Z$T (/$bunfs/root/claude:6057:2112)\n    at IB (/$bunfs/root/claude:6057:2039)\n    at yb (/$bunfs/root/claude:6064:4297)\n    at async <anonymous> (/$bunfs/root/claude:1823:1266)\n    at async <anonymous> (/$bunfs/root/claude:11384:2597)","timestamp":"2026-02-21T23:56:10.290Z"},{"error":"Error: ENOENT: no such file or directory, open '/Users/yaatehr-talvy/.claude/remote-settings.json'\n    at openSync (unknown)\n    at readSync (/$bunfs/root/claude:12:1441)\n    at I2 (/$bunfs/root/claude:6070:113)\n    at k5 (/$bunfs/root/claude:6072:226)\n    at dZA (/$bunfs/root/claude:2058:49788)\n    at aLR (/$bunfs/root/claude:2058:49951)\n    at B_ (/$bunfs/root/claude:6056:6721)\n    at Tp (/$bunfs/root/claude:6026…

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