OverviewAn in-repo UI toolkit for rapidly prototyping internal tools for data engineering and analytics workflows, replacing spreadsheet-driven processes and ad-hoc scripts with structured web interfaces, guided workflows, operational monitoring, and flexible styling with clear extension paths for agent-assisted development.
PrimitivesCore building blocks for inputs, selection controls, and sliders that can be combined and composed into more complex patterns.
Input Group
Selection Controls
OnCheckedDanger
Checkbox
Sliders
Single value
32 px
Range
20% - 54%
Overlays
Content Structuring
Tabs
A concise summary of shared component contracts and usage rules.
Accordion
Use structural primitives to guide reading flow without custom one-off spacing rules.
Matrix
Content Block
Compact
Detailed
Checklist
Yes
Yes
Release Notes
No
Yes
Toggles
OffLIST1 selected
Feedback & StatusStatus surfaces for loading, progress, toasts, and live activity. The section keeps one representative example for each feedback pattern.
Feedback & StatusOperational status patterns for notifications, loading states, and live progress tracking.
BadgeAccentSuccessWarning
Feedback system
Queue-aware toasts, progress indicators, and loading cues share one tokenized feedback language.
Notification badgesAttach badges to any control surface. The same primitive supports dot, count, and function-based activation.
ATRQIQ
ToastsSelect a preset scenario, trigger one toast, or run the mixed queue set.
Active toasts: 0
Progress + LoadingLive progress loops from 0 to 100 and powers both linear and circular variants.
Release rollout0%
0%0%
0%
Circular status
Spinner for inline loading states.
Charts & VisualsA lightweight chart language for embedded product visuals. The API stays typed and boring on purpose so apps consume `@repo/ui` wrappers instead of raw Recharts.
Small chartsFull chartsRecharts stays private
These visuals are tuned for embedded product surfaces, not dashboard builders. The wrappers keep sizing, theming, states, and tooltip behavior consistent while hiding raw Recharts composition from app code.
MiniSparklineChrome-free trend hint with optional endpoint and area mode.
MiniBarsCompact weekly counts with optional tooltip.
MiniHistogramDistribution snapshot with a highlighted middle band.
MiniProgressTrendSimple bar + line hybrid for recent completion context.
MiniDonutRestrained ring for quick status proportions.
68%
LineChartCardDefault workhorse for trend comparisons with restrained tooltip and a target reference line.
Orders
Returns
AreaChartCardSubtle stacked fills for signups and activations.
Signups
Activated
BarChartCardGrouped category comparison with long labels that truncate cleanly.
Created
Closed
Narrow Horizontal BarsHorizontal stacked variant for tighter spaces and longer labels.
Healthy
Warning
Blocked
ComposedChartCardMixed bar + line comparison for planned versus actual throughput.
Planned
Actual
DonutChartCardLarger proportion view with centered summary and legend fallback for tiny slices.
On track52%
Needs review27%
Blocked14%
Tiny sliver7%
52% on track
Keep donut segments restrained. Aggregate categories in app code when the story needs more than a handful of slices.
StatesLoading, empty, and error behavior keeps layout height stable.
Loading state
Loading chart…
Mini EmptySmall charts stay quiet instead of throwing noisy empty UI into dense layouts.
No data
Error + FormattersOperational surfaces can still use chart cards for loading and failure boundaries.
Error state
EmptyCouldn't render chartData source is temporarily unavailable.
EmptyFormatter examplesCompact 182.3K · Currency $182,340 · Percent 83% · Duration 1h 0m
Data Tooling CompositesA coherent screen kit for monitoring, triage, catalogs, and audit workflows. This is the densest section on the page and the main reason the wider shell exists.
Data ToolingFilter to query to table to details composites for operational and DE-heavy screens, with client and server pagination using the same UI contract.
Operations/Data Tooling/Run Monitor
Pipeline Run MonitorDurable screen scaffolding for anomaly triage, catalog inspections, audit review, and backfill consoles.
Client paginationPopulated state96 visible rows
Search
Status
Owner
Updated from
Updated to
From: 2026-03-04To: 2026-03-06
Last refreshed Mar 6, 4:20 PM UTC
Actions
run_0001
orders_hourly_ingestAttempt 1
raw.orders.events
Running
Medium
Ml-Ops
30s
125,000
Mar 6, 4:02 PM UTC
run_0002
warehouse_reconciliationAttempt 2
feature_store.customer_score
Failed
Low
Growth
35s
143,700
Mar 6, 3:26 PM UTC
run_0003
forecast_feature_rollupAttempt 3
catalog.datasets
Succeeded
Critical
Finance
40s
162,400
Mar 6, 2:50 PM UTC
run_0004
audit_event_compactorAttempt 1
raw.orders.events
Queued
High
Platform
44s
181,100
Mar 6, 2:14 PM UTC
run_0005
catalog_snapshot_refreshAttempt 2
feature_store.customer_score
Acknowledged
Medium
Ml-Ops
49s
199,800
Mar 6, 1:38 PM UTC
run_0006
backfill_revenue_segmentsAttempt 3
catalog.datasets
Running
Low
Growth
54s
218,500
Mar 6, 1:02 PM UTC
run_0007
orders_hourly_ingestAttempt 1
raw.orders.events
Failed
Critical
Finance
59s
237,200
Mar 6, 12:26 PM UTC
run_0008
warehouse_reconciliationAttempt 2
feature_store.customer_score
Succeeded
High
Platform
1.1m
255,900
Mar 6, 11:50 AM UTC
run_0009
forecast_feature_rollupAttempt 3
catalog.datasets
Queued
Medium
Ml-Ops
1.1m
274,600
Mar 6, 11:14 AM UTC
run_0010
audit_event_compactorAttempt 1
raw.orders.events
Acknowledged
Low
Growth
1.2m
293,300
Mar 6, 10:29 AM UTC
96 resultsPage 1 of 10
Click any row to open the details drawer. The same table surface handles selection, sorting, row actions, empty/loading/error states, and either pagination mode without changing the surrounding screen layout.
Application CompositesHigher-order shells prove the primitive contracts scale into real app workflows without custom one-off styling.
Auth Composites CarouselComposable authentication screens built from the same primitive contracts.
1 / 5: LoginForm

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Business logic stays in app code while UI contracts remain stable and reusable.