real dev verification: PR 33250
main: e89abadaee70e0d73fb19a5ce40a686b1a92310e
PR: 009e9806810e87988b116e139ba6e392daac052f
route: Chrome + Playwright -> Settings / Worktrees -> Start from remote -> server settings -> shared atomic writer
{"label":"main after rejected UI save","symlinkPreserved":true,"targetBasenameBytes":255,"persistedStartFromRemote":true,"temporaryEntries":[]}
{"label":"PR after successful UI save and reversal","symlinkPreserved":true,"targetBasenameBytes":255,"persistedStartFromRemote":false,"temporaryEntries":[]}
main server error: [cause]: Error: ENAMETOOLONG: name too long, mkdtemp '/home/user/atomic-save-dotfiles/main/ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss.json.SFCCJ6'
PR: UI switch changed from true to false; no failure toast; false persisted through browser reload. Reverse save true then false also persisted.
{"scenario":"normal symlink","basenameBytes":13,"saved":true,"symlinkPreserved":true,"providerConfigPreserved":true,"temporaryEntries":[]}
{"scenario":"255-byte unicode symlink","basenameBytes":255,"saved":false,"symlinkPreserved":true,"providerConfigPreserved":true,"temporaryEntries":[]}
restored 255-byte ASCII target; final start-from-origin false
real provider: Codex gpt-6.1-sol selected in web composer; initial file creation/read and same-thread follow-up read both completed.
provider-created file: "atomic-save-provider-ok\n"
provider-created git changes: ?? verification.txt
blacksmith: 11/11 focused atomicWrite tests passed.
blacksmith: vp run check:changed c6ca6056309904f89b90b6055d797973be0a0939 passed format, lint, both knip phases, 35 affected-package typechecks, 13 tests in 2 files.
unverified: native Windows rename locking, macOS, Electron/native mobile clients, encrypted filesystems, remote relay/tunnel connections, other providers.