Interface Lab
Knowledge RAG

Design Knowledge Base

Community-maintained principles reviewed before publication and retrieved as Agent design constraints.

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9 published principles / 192 in library
Design Systems Page Patternsdashboard / kpi

Dashboard KPI Alert Triage Contract

Operations dashboards should organize KPIs, alerts, thresholds, owners, evidence, and next actions into a scannable triage system instead of an equal-weight wall of charts.

A good dashboard first answers whether action is needed, severity, blast radius, ownership, and evidence path; charts are evidence layers that support triage.95%
Data Visualizationdata-transform / provenance

Visualization Transform Provenance

Charts must record filter, aggregate, bin, timeUnit, join, missing-value, and sorting logic; otherwise users cannot audit why the chart looks the way it does.

Data-visualization trust comes not only from graphics but also from an explainable transform chain. Every aggregation, filter, and derived field should be traceable.95%
Data Visualizationchart-choice / data-relationship

Chart Question Before Chart Type

Define the data relationship users need to judge before choosing chart type and frontend library; do not start from wanting a pretty chart.

Good charts are not visual style collections. They are decisions that match data structure, user question, and visual encoding.94%
Data Visualizationdashboard / metric-card

Dashboard Metric Card Contract

A metric card is not decorative big-number UI; each card needs metric definition, time range, comparison baseline, unit, data state, and next action.

A dashboard first screen should answer what users should judge now, not compress all data into an equal chart wall. Metric cards are decision entry points and need semantics plus evidence.94%
Design Systems Page Patternsanalytics / drilldown

Analytics Drilldown Workflow

Analytics Drilldown Workflow turns a frequent interface judgment into an executable constraint before generation.

Analytics interfaces should move from anomalies and questions toward causes, not just show chart collections.86%
Visual Foundationsdashboard / kpi

Dashboard KPI Triage

Dashboard KPI Triage turns a frequent interface judgment into an executable constraint before generation.

Metric cards are not number displays; they are triage entry points for operations.86%
Visual Foundationscharts / dashboard

Readable Dashboard Charts

Readable Dashboard Charts turns a frequent interface judgment into an executable constraint before generation.

Operational charts are often scanned quickly; small-chart readability matters more than expressive form.84%
Design Systems Page Patternsdashboard / alerts

Dashboard Hierarchy and Alerts

Dashboards should show status overview first, then anomalies, trends, details, and action entries.

More metrics are not better; the priority is helping users decide whether action is needed.82%
Visual Foundationsdensity / dashboard

Information Density Control

High density is not clutter, and low density is not automatically premium; density must match task frequency and speed.

Operational tools need scannable density while marketing pages need narrative pacing; mixing them causes mismatch.82%