Rebuilds the product-feature **DashboardVisual** to mirror
twenty-front's dashboard widgets, with colors traced to twenty-front's
actual source rather than eyeballed.
## Widgets
- **Bar — "Deals by month"**: single-series `blue8` (twenty-front's
`GRAPH_DEFAULT_COLOR`), dashed `4 4` gridlines, value labels, nice
rounded Y-ticks. Replaces the old stacked bar (stacked bars aren't used
in twenty-front).
- **Donut — "Deals by stage"**: the real opportunity pipeline
(New/Screening/Meeting/Proposal/Customer), each segment colored by that
stage option's own color from the metadata
(`red/purple/sky/turquoise/yellow`), with a center total and a paginated
horizontal legend.
- **KPIs**: big-number cards (Revenue YTD / Avg deal size / Win rate).
## Responsive — `mediaUp('md')`
The dashboard is the full-width spotlight tile, whose frame is short
below md and grows to 420px at md+. So the layout keys off md: below it
collapses to **2-up KPIs + a full-width bar** (donut and the 3rd KPI
hidden, smaller breadcrumb), and the spotlight frame's mobile min-height
is bumped so the bar has room; at md+ the full 3-KPI + side-by-side
layout returns. The donut caps at its size and shrinks with its
container.
## Notes
- Follows the `product-feature` conventions (per-visual folder,
one-export-per-file, split types).
- `Tiles.tsx`: one-line spotlight mobile min-height bump (only the
dashboard uses the spotlight tile).
- typecheck + lint + build all green.
<img width="1148" height="638" alt="image"
src="https://github.com/user-attachments/assets/1eb8f120-88c2-45d1-adf9-ec00abe11006"
/>
Abdullah.
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