Real app proof: leftover managed worktrees
Browser: Chrome 151, Linux web, 1280 x 800, light theme. Fresh synthetic T3 homes; dev replay provider.
Local path prefixes and machine labels were redacted from browser captures. No result text was changed.

BASE 286eeea19f8b9b06f84c61c6a2f46fba65c52313
After app-created worktree setup: pnpm local dependency installed.
After removing checkout and pruning, before sending: .next and node_modules only.
After sending and awaiting the replayed reply, before opening a terminal:
{"entries": [".next", "node_modules"], "gitExists": false, "readmeExists": false, "branch": "", "gitExit": 128, "gitError": "fatal: not a git repository (or any of the parent directories): .git"}
Cleanup result from Settings > Maintenance:
Last run
0 removed, 1 kept, 1 failed
proof-cleanup-leftover-31dbee8a578fd4ab

NotFound: FileSystem.stat (<local>/t3-home/worktrees/checkout-demo/proof-cleanup-leftover-31dbee8a578fd4ab/.git)
Machine
Proof environment
Project
<local>/checkout-demo
Folder
<local>/t3-home/worktrees/checkout-demo/proof-cleanup-leftover-31dbee8a578fd4ab
Thread
Cleanup leftover checkout

proof-restore-checkout-804f64992bf96115

Open terminal
Machine
Proof environment
Project
<local>/checkout-demo
Folder
<local>/t3-home/worktrees/checkout-demo/proof-restore-checkout-804f64992bf96115
Thread
Restore leftover checkout
Dependency marker after cleanup: Keep this dependency leftover.
Cleanup folder .git exists: False

HEAD 7d0ef874780d0ac89eff42ec1042b4925c915bc4
After app-created worktree setup: pnpm local dependency installed.
After removing checkout and pruning, before sending: .next and node_modules only.
After sending and awaiting the replayed reply, before opening a terminal:
{"entries": [".git", ".gitignore", "README.md", "fixture-package", "package.json"], "gitExists": true, "readmeExists": true, "branch": "proof/restore-checkout", "gitExit": 0, "gitError": ""}
Cleanup result from Settings > Maintenance:
Last run
0 removed, 2 kept
proof-restore-checkout-1f59bc3cf7adbfb2

Open terminal
Machine
Proof environment
Project
<local>/checkout-demo
Folder
<local>/t3-home/worktrees/checkout-demo/proof-restore-checkout-1f59bc3cf7adbfb2
Thread
Restore leftover checkout

proof-cleanup-leftover-ef730cff1b135dcc

Not a linked worktree
Machine
Proof environment
Project
<local>/checkout-demo
Folder
<local>/t3-home/worktrees/checkout-demo/proof-cleanup-leftover-ef730cff1b135dcc
Thread
Cleanup leftover checkout
Dependency marker after cleanup: Keep this dependency leftover.
Cleanup folder .git exists: False