Platform UI Kit Catalog of core platform-* components with contract tests, Playwright scenarios, and playground previews. Component Tier Status platform-animated-number T0 backlog platform-assistant-message-actions T0 backlog platform-audio-message-player T0 backlog platform-bottom-nav T0 backlog platform-bottom-sheet T0 backlog platform-bottom-sheet-stack T0 backlog platform-breadcrumbs T0 backfill platform-button T1 production platform-calendar-modal T0 backlog platform-code-editor T0 backlog platform-company-variable-editor-modal T0 backlog platform-company-variables-panel T0 backlog platform-confirm-modal T0 backfill platform-cron-field T0 backlog platform-date-picker T0 backlog platform-deployment-version T0 backlog platform-document-binary-viewer T0 backlog platform-document-image-viewer T0 backlog platform-document-media-viewer T0 backlog platform-document-text-viewer T0 backlog platform-document-viewer-host T0 backlog platform-field T1 production platform-field-array T0 backlog platform-field-boolean T0 backlog platform-field-date T0 backlog platform-field-enum T0 backlog platform-field-external-refs T0 backlog platform-field-number T0 backlog platform-field-object T0 backlog platform-field-string T0 backlog platform-field-text T0 backlog platform-file-attachments T0 backlog platform-file-card T0 backfill platform-file-row T0 backlog platform-file-table T0 backlog platform-file-viewer-modal T0 backlog platform-help-hint T0 backfill platform-icon T0 backfill platform-icon-picker T0 backlog platform-island T0 backlog platform-json-editor T1 production platform-llm-config-editor T0 backlog platform-llm-context-editor T0 backlog platform-log-viewer T0 backlog platform-metric-card T0 backfill platform-mini-bar-chart T0 backlog platform-modal-search-field T0 backlog platform-modal-stack T0 backfill platform-notification-manager T0 backlog platform-onlyoffice-host T0 backlog platform-palette-color-picker T0 backlog platform-picker-card T1 production platform-searchable-combobox T0 backfill platform-segmented-control T1 production platform-service-sidebar T0 backlog platform-service-switcher-sheet T0 backlog platform-services-launcher T0 backlog platform-services-modal T0 backlog platform-shell-page T0 backlog platform-sidebar T0 backlog platform-sidebar-namespace-select T0 backlog platform-sidebar-nav-tree T0 backlog platform-span-attributes-viewer T0 backlog platform-sparkline T0 backlog platform-switch T0 backfill platform-timezone-picker T0 backlog platform-top-bar T0 backlog platform-trace-viewer T0 backlog platform-user T0 backlog platform-user-chip T0 backlog platform-user-info-modal T0 backlog platform-variable-input T0 backfill platform-variable-resolve-preview T0 backlog platform-variable-scopes-editor T0 backlog platform-variable-secret-policy T0 backlog platform-variable-value-editor T0 backlog platform-variables-panel T0 backlog platform-work-item-badge T0 backlog platform-work-item-preview T0 backlog Playground¶ /frontend/design-system/preview?component=platform-button&variant=primary Tests¶ make ui make ui-doc