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Brings Tremor (Apache-2.0) in as the project's chart component
library and converts the response-time chart as the first
integration. Tremor is distributed copy-paste ("Tremor Raw") so
the components live under `src/components/tremor/`; the only
runtime peer dependency added is `recharts`. Two small local
adaptations to the vendored `BarChart`:
- `cx` (Tremor's `clsx`+`twMerge` helper) → our `cn` from
`@/lib/utils`, aliased locally to keep diff vs upstream minimal.
- `@remixicon/react` legend-slider icons →
`lucide-react`'s `ChevronLeft` / `ChevronRight`, since
`lucide-react` is already a project dep.
- `ChartTooltipProps.label` widened from `string` to
`string | number | undefined` to match recharts 3.x (Tremor's
source still types it for recharts 2.x).
Why Tremor and not a wider switch (Mantine, HeroUI):
- The dashboard ships ~700 lines of hand-rolled SVG across three
chart files — a focused charting library is the highest-ROI
addition without touching the wider component surface.
- Tremor is Tailwind-native and built on the same Radix/Base UI
layer as the existing `src/components/ui/*`, so it composes
rather than displaces.
- Apache-2.0 + copy-paste distribution means no upgrade lock-in.
What this PR does
- Adds `src/components/tremor/{bar-chart.tsx,chart-colors.ts,
get-y-axis-domain.ts,use-on-window-resize.ts}` (vendored from
tremorlabs/tremor with the adaptations above).
- Installs `recharts@^3.8.1` (React 19 + Next.js 16 compatible).
- Rewrites `src/components/dashboard/response-time-chart.tsx`:
drops 130 lines of bespoke SVG math (axis scaling, bar
positioning, grid lines, tooltip rendering), reuses the same
card/header/empty-state shell.
Deferred (own follow-up PRs)
- `pipeline-donut.tsx` — has user-customisable per-stage hex
colours; Tremor's palette would override them. Needs either a
small upstream patch or a `colors` override path.
- `conversations-chart.tsx` — area-chart conversion (largest of
the three, 341 lines).
- The previous hand-rolled bar chart drew a horizontal dashed
"target N minutes" reference line. Tremor BarChart doesn't
expose Recharts primitives, so for now the target is promoted
to a header pill (`target 5m`). On-chart reference line is a
follow-up — either via a positioned overlay or an upstream
`referenceLines` prop.
Verification
- `npm run lint` → 0 errors (same 20 pre-existing warnings).
- `npm run typecheck` → clean.
- `npm test` → 319/319 pass.
- `npm run build` → succeeds, dashboard remains a static route.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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|---|---|---|
| .. | ||
| activity-feed.tsx | ||
| conversations-chart.tsx | ||
| empty-state.tsx | ||
| metric-card.tsx | ||
| pipeline-donut.tsx | ||
| quick-actions.tsx | ||
| response-time-chart.tsx | ||
| skeleton.tsx | ||