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Turtle e97290ba9e docs(telemetry): state anonymous id as per-harness-home, not per-machine

The consolidated resolver scopes the anonymous id to $DSH_HOME rather
than the machine. Update the module contract, README, and Agent Note to
say per-harness-home explicitly instead of over-claiming a machine-global
identity, and record why DSH_HOME scoping is the intended single-root
meaning rather than a regression.

2026-07-21 15:57:17 +08:00

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Agent Note: One harness home resolver

Status: implemented

English | 中文

Problem

The harness had three inconsistent conventions for "where does DeepSeek Harness user data live":

@deepseek-ai/dsh-home resolved configured ?? $DSH_HOME ?? ~/.dsh.
@deepseek-ai/dsh-paths shipped a second resolveDshHome with the same precedence plus tilde expansion — a near-duplicate of dsh-home that no gate flagged because the two lived in different packages and had already drifted (only one expanded tildes).
@deepseek-ai/dsh-telemetry's globalConfigDir used a different policy entirely: DSH_CONFIG_HOME > $XDG_CONFIG_HOME/deepseek-harness > %APPDATA%/deepseek-harness > ~/.config/deepseek-harness.

So most of the product parked everything under one ~/.dsh root while telemetry alone stored its anonymous id elsewhere, under a deepseek-harness namespace that contradicts the repo-wide dsh shorthand (DSH_HOME, @deepseek-ai/dsh-*, ~/.dsh). Two resolvers plus a divergent third policy means no single home fact.

Decision

One resolver owns the harness home, in @deepseek-ai/dsh-paths, single-root:

explicit configured path  >  $DSH_HOME  >  ~/.dsh

An empty or whitespace-only $DSH_HOME is treated as unset, matching the guard telemetry's old resolver carried: without it resolve('') would silently place the home at the current working directory. The harness keeps all user data under one root; there is no XDG config/data/cache split. dshHomeDisplay() names a resolved root symbolically for user-facing paths — ~/.dsh for the default home, $DSH_HOME for any configured home — so the user-global AGENTS.md label never leaks an absolute machine path. It replaces workspace-context's bespoke default-vs-$DSH_HOME check.

@deepseek-ai/dsh-home is deleted. Its three importers (dsh-tool-bash, dsh-skill-local, dsh-agent-spine-demo) now import resolveDshHome from dsh-paths. dsh-telemetry's globalConfigDir delegates to resolveDshHome, dropping its second resolver, the DSH_CONFIG_HOME override, the XDG/%APPDATA% branches, and the deepseek-harness namespace; the anonymous id now lives directly under the harness home.

Alternatives considered

Leave the two resolveDshHome copies in place. They had already drifted (one expands tildes, one didn't) and encode the same cross-cutting fact twice. Consolidation is the point of the util/ layer; a duplicate resolver is a latent divergence bug.

Adopt XDG (honor $XDG_CONFIG_HOME, or split config/data/cache into separate trees). Considered and dropped in favor of one obvious root. A single $DSH_HOME || ~/.dsh ground truth matches ~/.claude / ~/.aws, needs no per-kind reclassification of every ~/.dsh consumer, and leaves no resolver asymmetry to reconcile. Telemetry aligning onto the same root — rather than keeping its own XDG path — is precisely the divergence this removes.

Keep telemetry's own config dir. Its deepseek-harness namespace and separate XDG policy were the lone exception to the dsh/~/.dsh convention. Folding it onto the shared resolver is what makes "one home fact" true. The cost is that the anonymous id becomes scoped to $DSH_HOME rather than the machine: a project that points DSH_HOME at a repo-local path (or a command that loads a project .env before telemetry) gets a home-local id, so the id counts harness homes, not machines. This is accepted as the intended meaning of single-root — a relocated $DSH_HOME moves all harness state, telemetry identity included — and the module contract is stated as per-harness-home rather than per-machine. A machine-global identity that ignored $DSH_HOME would reintroduce exactly the second home policy this Note removes.

Consequences

One home fact, one resolver. dsh-paths is the sole owner; the util/ group loses the home package.
Telemetry's anonymous id moves from ~/.config/deepseek-harness/telemetry.json to the harness home (~/.dsh/telemetry.json by default). Under the pre-release "backends reject old formats" stance this needs no migration: an orphaned old id simply regenerates once, and the id is anonymous by construction.
Telemetry drops Windows %APPDATA% handling. resolveDshHome uses os.homedir(), which is correct on Windows; the harness does not special-case %APPDATA% for its single root.

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