@logan-luo/dsh-client-ui-session-cost

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Session cost surfaces, browser half: the dock cost strip, the per-session cost view tab, and the usage dashboard. The pricing, projection, and ledger live in @logan-luo/dsh-session-cost.

Shipped surfaces

• Dock cost strip (src/client/CostDockRow.tsx): the second conversation.composer.dock row under the built-in stats line — estimated cost, the dominant model's current rate, and an unpriced count. Reads useProjection('costStats').
• Cost view tab (src/client/CostViewTab.tsx): a conversation.view tab with totals, per-model rows, per-day trend, and the rate versions that produced the figures.
• Usage dashboard (src/client/DashboardTrigger.tsx): a sidebar.footer.action entry opening the global usage dialog — project / time-range (today, week, month, all) / grouping (day, week, month, model, project) selection over the cost.dashboard Remote, with totals, per-model buckets, and groups. The DashboardController (src/client/controller.ts) owns the view state and the refresh/selection verbs.

Model Experience

None: the package renders host-computed projection values and Remote rollups; it assembles no model request.

KV Cache effect

None; the package neither assembles nor sends a provider request.

Known Limitations and Deferred Work

• Time-range presets are calendarized in the same fixed Beijing offset as the rate card; a named timezone stays a deferred config option shared with the node half.
• The dashboard's project list is the distinct set of ledger projects; project renames on disk split history into two rows.