Eric Traut
fa0e2ba87c
## Why Fresh app-server thread startup can create a shell snapshot through a temp file and then promote it to the final snapshot path. The previous implementation briefly wrapped the temp path in `ShellSnapshot`, so after a successful rename its `Drop` attempted to delete the old temp path and could log a false `ENOENT` warning. Fixes #17549. ## What changed - Validate the temp snapshot path directly before promotion. - Rename the temp path directly to the final snapshot path. - Keep explicit cleanup of the temp path on validation or finalization failures.
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