@deepseek-ai/dsh-home is the single owner of DeepSeek Harness home-directory resolution. resolveDshHome(configured?) returns an absolute path using this precedence:

The explicit configured path.
The DSH_HOME environment variable.
The .dsh directory under the current user's home directory.

The resolver reads its inputs at call time. It does not cache a result, create the directory, or mutate process.env; consumers keep ownership of their own configuration fields and pass the configured value when resolving the shared home.

Model Experience

Indirectly, through dsh-tool-bash, which exposes the resolved path to model bash as DSH_HOME without adding a prompt section.

KV Cache effect

No direct invalidation; the named consumer owns any request-prefix changes.

Known Limitations and Deferred Work

Resolution only — the resolver makes a path absolute but does not create it, check access, or canonicalize symlinks; each consumer owns those filesystem decisions.