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Presets own the rows that decide what a session's `/` menu contains, but both browser catalogs cache per session and had no invalidation edge for a recompose: `commands/changed` is registry-wide and recomposing registers nothing, so the menu kept serving the composition the session no longer ran. The host stream now frames the logged `agent-preset/selected` commit as `host/session-preset-changed`; the runtime bridges it to the typed `session/preset-changed` event, `ui-command` soft-refreshes that session's directory key and `ui-skill` invalidates its catalog entry. Reaching the host on a second switch was a separate defect: the list-row identity guard compared every summary field except `agentPreset`, and the merge keeps the row's `updatedAt`, so a switched row looked unchanged and served its cached instance forever. The hero chip compares the pick against that row, so switching back to the creation-time preset sent no RPC at all.
client/ — web-GUI browser half
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The browser side of the dsh web GUI: shell boot, browser-host communication, shared UI services, and feature plugins. Authoring rules live in AGENTS.md; the host half is host/. All except test-runtime are product packages named @deepseek-ai/dsh-client-<name>.
| Package | Purpose |
|---|---|
web/ |
Boots the browser shell from the client entry graph. |
modules/ |
Loads browser-side client modules. |
web-react/ |
Connects the shell runtime to React rendering. |
connection/ |
Maintains browser-host RPC communication and event delivery. |
runtime/ |
Provides shared client services for sessions, workspaces, and UI composition. |
hmr/ |
Refreshes client plugins during development. |
locale/ |
Provides localization preferences and message dictionaries. |
schema-form/ |
Provides schema-backed draft handling for settings editors. |
test-runtime/ |
Provides shared repository test support for client feature packages. |
ui-slots/ |
Defines how UI features register and compose extension slots. |
ui-theme/ |
Applies the selected color theme. |
ui-primitives/ |
Provides shared React controls, icons, and content renderers. |
ui-layout/ |
Arranges the main application regions. |
ui-sidebar/ |
Presents workspace and session navigation. |
ui-workspace/ |
Provides workspace selection and creation surfaces. |
ui-conversation/ |
Presents the active conversation and its input surface. |
ui-tool/ |
Composes Tool call trees and keyed per-Tool views. |
ui-goal/ |
Presents and manages the current goal. |
ui-trajectory/ |
Presents alternate views of agent activity. |
ui-command/ |
Provides session-aware command discovery and dispatch. |
ui-slash/ |
Coordinates inline command and reference suggestions. |
ui-skill/ |
Adds skill references to inline suggestions. |
ui-subagent/ |
Provides subagent navigation, child transcript states, and inline references. |
ui-model/ |
Provides model selection in conversation surfaces. |
ui-permission/ |
Configures default permissions and switches the current session's access. |
ui-plan/ |
Presents active plan-mode status and its exit control. |
ui-question/ |
Presents interactive questions requested by the agent. |
ui-agent-preset/ |
Selects a session's agent preset and authors preset compositions. |
ui-settings/ |
Hosts the settings interface and its extension areas. |
ui-settings-general/ |
Provides the general settings section. |
ui-models/ |
Provides model-provider configuration and DeepSeek onboarding. |
Each child reference owns its contract and detailed behavior. The slot system standard and web client architecture note own the cross-package composition and loading decisions.
The subsystem reference is client-modules.md; the slot system standard is the definitive slot model, and the web client architecture note owns the loading chain and object layer.