Area · Charts · OODS Foundry

`pattern:viz:layered-line-area`

Actual retention remains above both target and capacity thresholds for five consecutive weeks — light `sha256:48809474123f…`

`pattern:viz:running-total-area`

ARR steadily increases with a sharper slope entering Q3. — light `sha256:3765719af3af…`

`pattern:viz:stacked-area-projection`

light sha256:16461c5a9264…

Certified: 4 results

artifact_certify on layered-line-area, drawn in light: coverage certified, conformant true.

accessibility equivalence a11yEquivalence: pass
determinism determinism: pass
contrast contrast: pass
accuracy accuracy: pass

Contrast: certify grades the series-to-paint assignment of the rendered chart (the compiled spec rendered through @oods/viz-render), against the requested CSS scope canvas. Scope: light/A.

Its narrative

Actual retention remains above both target and capacity thresholds for five consecutive weeks

High Actual: Actual 0.98 (2025-W05)
Low Actual: Actual 0.96 (2025-W01)
Trend increasing: 2.3%
Actual Series: Actual

Its data table

Net retention per week
Week	Actual	Target	Capacity	Actual Series	Target Series	Capacity Series
2025-W01	0.96	0.94	0.92	Actual	Target	Capacity
2025-W02	0.97	0.95	0.92	Actual	Target	Capacity
2025-W03	0.98	0.95	0.93	Actual	Target	Capacity
2025-W04	0.98	0.95	0.93	Actual	Target	Capacity
2025-W05	0.98	0.96	0.94	Actual	Target	Capacity

Certification covers charts only: it measures the chart's specification. A pass means no offered rule found a problem, not a general promise. An ECharts type certifies only when its data is supplied.

The call

{
  "brand": "A",
  "theme": "light",
  "spec": { … the normalized spec viz_render returned … }
}