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deepseek-harness/docs
Huanqi Cao e47ae0643c fs-local: POSIX-only mode-bit assertions, document Windows DACL-inheritance semantics
Windows drives only the read-only attribute through chmod and reports
synthetic stat mode bits, so writeFileAtomic's mode arguments are inert
there; write-in-progress privacy comes from the staging dir (created in
the target's parent) inheriting the destination directory's DACL.
Production is deliberately unchanged -- the chmod calls are benign
no-ops and platform-guarding them out buys nothing. Tests guard the
mode-bit expects to POSIX; there is no Windows ACL assertion because an
ACL check would pin OS inheritance plus the machine's %TEMP% ACL, not
this package. Decision and rejected alternatives (explicit DACLs,
Get-Acl/icacls test verification) recorded in the new RFC.
2026-07-18 12:40:12 +08:00
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