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EricandClaude Opus 4.7
c0d0e012cc
- root cause: window-all-closed called killBackend() (windows: taskkill /F) BEFORE before-quit could POST /shutdown-all, so the backend was dead before it could run stop_all(), orphaning the bundled vite node.exe; a running node.exe locks its own image at resources\node\x64\node.exe, so the next nsis upgrade cannot overwrite it and surfaces appCannotBeClosed via the file-lock retry path (extractAppPackage.nsh / installUtil.nsh), not the name-based app-running check
- windows-only because mac's killBackend sends SIGTERM, which lets uvicorn run its lifespan shutdown -> stop_all(); only since 1.1.64 because app builder first started spawning these children on windows in bf6d7a9 (before that they died with WinError 2)
- fix: drop the premature killBackend() in window-all-closed (will-quit still kills the backend, now AFTER the reap) and raise the pre-quit reap budget from 2s to 10s to cover stop_all's parallel taskkill (up to 5s) + 3s SIGTERM grace
- mac unaffected: will-quit already kills the backend; the app reap simply runs explicitly via /shutdown-all now instead of riding on SIGTERM timing
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>