fix: make save_init_options() write atomically - #3924
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…n crash write_text() directly to the target file risks leaving a partially written (corrupted) file if the process is killed mid-write. Use mkstemp + os.replace for atomic write.
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Problem
write_text()directly to the target file risks leaving a partially written (corrupted) file if the process is killed mid-write.Fix
Use
mkstemp+os.replacefor atomic write.