a030397aca
The session list overflows after a handful of sessions, and its scrollbar was drawn permanently in a column that is at rest most of the time. SidebarRoot now tracks the pointer over the whole column and rebinds ui-theme's scrollbar indirection pair to `transparent` while it is outside, keeping the thumb for 2s after the pointer leaves so it does not blink out on the way past. Rebinding colour leaves the list's `scrollbar-gutter: stable` reservation in force, so revealing the bar moves no row. ui-theme's gate now states the widened contract: a rebind targets an -l2 token pair or `transparent`, and nothing else.
@deepseek-ai/dsh-client-ui-sidebar
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Sidebar plugin: real Host Workspaces in stable Host order, each containing its sessionIds in Workspace order with parentId nesting; Sessions outside every Workspace appear in a trailing Ungrouped section. Search, state dots, and collapse into the layout-owned 56px rail are presentation-local. Contract: the slot system standard.
New Session starts the runtime's page-local frontend Session Intent; a real Workspace's "+" starts one targeted to that Workspace. The Workspace header "+" opens ui-workspace's shared picker, whose selection also targets a frontend Session. A Workspace Intent does not appear in the sidebar.
SidebarRootComponentProps composes the layout owner share, the global useSessions and useWorkspaces hooks, the declared sidebar.workspace and sidebar.settings child slots, and injected startSession, open, and sidebar-toggle callbacks. There is no plugin store: deriveGroups consumes object-layer snapshots and component-local expansion/search state.
Scrollbars in the column are a pointer affordance: the shell rebinds ui-theme's scrollbar indirection to transparent whenever the pointer is outside it, and keeps the thumb drawn for 2s after the pointer leaves, so a list nobody is pointing at carries no bar. The reservation that keeps rows from moving belongs to the scrolling region (ui-workspace), so revealing a thumb never reflows.
The foot is the sidebar.settings seat: the sidebar renders only the bottom-pinned layout slot and shares its column state (wide); ui-settings registers the trigger row and settings panel there.
The /client export surface is the plugin body (apply/inject) plus the contract types only — SidebarRoot, the row components, and the tree derivation are internal (the slot registration closes over them; tests import src paths directly).
Model Experience
None, as the sidebar renders the browser session list; nothing here reaches a model request.
KV Cache effect
None; this package neither assembles nor sends a provider request.
Known Limitations and Deferred Work
- Session state-dot rendering is owned by ui-workspace — done/error notification sources remain deferred.
- Group-by menu ships by-workspace only — Update/Status grouping strategies are drawn without specs and deferred.
- "New task completed" unread marking is local viewing state — completion-time > last-seen never reaches the host.