e47ae0643c3797f8c759b06396783c8053b7dc5b
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.
DeepSeek Harness
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The DeepSeek Harness SDK is a plugin-based SDK for building agent harnesses.
Development
This monorepo is built on the Cordis framework (vendored as source under vendor/), microkernel-style: everything is a plugin.
pnpm install
pnpm run test # vitest
pnpm run demo:repl # REPL agent demo (needs DEEPSEEK_API_KEY)
pnpm run demo:acp # ACP server agent demo (needs DEEPSEEK_API_KEY)
For humans, start with the development guide for local setup, hooks, environment variables, and quality gates, then read the architecture design and documentation graph index before package work. Local context lives in packages/ and vendor/.
For agents, follow AGENTS.md.
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