Eight compiler-locked methods: settings.describe/update/replace serve redacted layered namespace views (secrets structurally absent from every layer, write-only in the update direction) and fold seam refusals into settings-rejected; credentials.describe/set/unset expose value-free views with credential-rejected on shadowed writes; llm.providers merges the configurable directory with live routes and llm.models claims the host-scoped catalog reservation through the buildModelCatalog extraction session.models now shares. Three HostFrame invalidations bridge the seam events (host/settings-changed, host/credentials-changed, host/models-changed), and the connection route generalizes the native- dialog check into a privileged-method set covering all four writes. The fixture and both fake clients grow the same face.
@deepseek-ai/dsh-client-connection
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Wire consumer layer: the client plugin's apply mounts ctx.connection (shared api client + single-consumer stream-loop starter); the export face carries the wire contract types, the AbstractApiClient seam, and the loop's sink/config types. The platform subclasses (WebApiClient/FixtureApiClient), the ConnectionController loop, and the fixture data source are package-internal — apply selects and drives them; tests reach them via src. Contract: api-contracts v3 §3.
Keyless fixture
Any fixture query parameter selects the in-memory carrier. fixture=empty starts with no Workspace or Session; fixturePrompt=reject rejects prompts before acceptance; fixtureAttach=fail publishes a Session but rejects its Workspace attachment; fixtureSessionCreate=drop-response publishes and frames a Session before dropping the create response; and fixtureFrames=workspace-first reverses the default session-first create-frame order. Workspace creation by name/path and caller-preallocated SessionIds remain deterministic enough for assembled Web tests to reconcile list and frame arrival.
Model Experience
None, as the wire consumer layer moves already-composed messages between browser and host; nothing here reaches a model request.
KV Cache effect
None; this package neither assembles nor sends a provider request.
Known Limitations and Deferred Work
- history's implicit resume is arguable — opening history on an unattached session pulls an agent up host-side; the pure-persistence-read alternative is recorded in the rt-core reconciliation ledger, unchanged in P-I. This package's consumers see it as latency on first open.
ToolEventView/ToolCallView/ToolResultViewre-exports are scheduled for removal — they fall when the toolview migration deletes the hostviewForline (presentation belongs to the client); the fixture keeps a localviewFormirror until then.