fix(segmentation): Display "No description S:{series number} {modality}" for segmentations with no label. (#5874)

* Bump CS3D dependency to get the fallbackLabel field additions.

platform/ui-next/src/components/SegmentationTable/SegmentationCollapsed.tsx

@@ -5,6 +5,7 @@ import {
   SegmentationExpandedProvider,
   useSegmentationExpanded,
 } from './contexts';
+import { SegmentationLabel } from './SegmentationLabel';
 import { useTranslation } from 'react-i18next';
 import {
   Button,
@@ -56,7 +57,7 @@ const SegmentationCollapsedDropdownMenu = ({ children }: { children: React.React
 
 // Selector component - for the segmentation selection dropdown
 const SegmentationCollapsedSelector = () => {
-  const { t } = useTranslation('SegmentationPanel.HeaderCollapsed');
+  const { t } = useTranslation('SegmentationPanel');
   const { data, onSegmentationClick, segmentationRepresentationTypes } =
     useSegmentationTableContext('SegmentationCollapsedSelector');
   const { segmentation } = useSegmentationExpanded('SegmentationCollapsedSelector');
@@ -74,16 +75,28 @@ const SegmentationCollapsedSelector = () => {
     )
     .map(seg => ({
       id: seg.segmentation.segmentationId,
-      label: seg.segmentation.label,
+      segmentation: seg.segmentation,
     }));
 
+  const dataCyTypeSuffix = segmentationRepresentationTypes
+    ? `-${segmentationRepresentationTypes[0]}`
+    : '';
+
   return (
     <Select
       onValueChange={value => onSegmentationClick(value)}
       value={segmentation?.segmentationId}
     >
-      <SelectTrigger className="w-full overflow-hidden">
-        <SelectValue placeholder={t('Select a segmentation')} />
+      <SelectTrigger
+        className="w-full overflow-hidden"
+        data-cy={`segmentation-select${dataCyTypeSuffix}`}
+      >
+        <SelectValue
+          placeholder={t('Select a segmentation')}
+          data-cy={`segmentation-select-value${dataCyTypeSuffix}`}
+        >
+          <SegmentationLabel segmentation={segmentation} />
+        </SelectValue>
       </SelectTrigger>
       <SelectContent>
         {segmentations.map(seg => (
@@ -91,7 +104,7 @@ const SegmentationCollapsedSelector = () => {
             key={seg.id}
             value={seg.id}
           >
-            {seg.label}
+            <SegmentationLabel segmentation={seg.segmentation} />
           </SelectItem>
         ))}
       </SelectContent>

platform/ui-next/src/components/SegmentationTable/SegmentationExpanded.tsx

@@ -11,6 +11,7 @@ import { DropdownMenu, DropdownMenuTrigger } from '../DropdownMenu';
 import { Tooltip, TooltipTrigger, TooltipContent } from '../Tooltip/Tooltip';
 import { ScrollArea } from '../../components';
 import { useDynamicMaxHeight } from '../../hooks/useDynamicMaxHeight';
+import { SegmentationLabel } from './SegmentationLabel';
 
 // The Header container component
 const SegmentationExpandedHeader = ({ children }: { children: React.ReactNode }) => {
@@ -53,7 +54,11 @@ const SegmentationExpandedDropdownMenu = ({ children }: { children: React.ReactN
 const SegmentationExpandedLabel = () => {
   const { segmentation } = useSegmentationExpanded('SegmentationExpandedLabel');
 
-  return <div className="pl-1.5">{segmentation.label}</div>;
+  return (
+    <div className="pl-1.5">
+      <SegmentationLabel segmentation={segmentation} />
+    </div>
+  );
 };
 
 // Info component - for the info tooltip

platform/ui-next/src/components/SegmentationTable/SegmentationLabel.tsx

@@ -0,0 +1,27 @@
+import React from 'react';
+import { useTranslation } from 'react-i18next';
+import { Segmentation } from './contexts/SegmentationTableContext';
+
+/**
+ * Displays the segmentation label. When the label is blank, shows a translated
+ * "No description" with the series/modality suffix styled in a lighter, muted font.
+ */
+export const SegmentationLabel = ({ segmentation }: { segmentation: Segmentation }) => {
+  const { t } = useTranslation('SegmentationPanel');
+
+  if (!segmentation) {
+    return null;
+  }
+
+  if (segmentation.label) {
+    return <>{segmentation.label}</>;
+  }
+
+  const suffix = segmentation.fallbackLabel;
+  return (
+    <>
+      <span>{t('No description')}</span>
+      {suffix && <span className="text-muted-foreground text-xxs">&nbsp;&nbsp;{suffix}</span>}
+    </>
+  );
+};

platform/ui-next/src/components/SegmentationTable/contexts/SegmentationTableContext.tsx

@@ -17,6 +17,7 @@ export interface Segmentation {
   segmentationId: string;
   label: string;
   cachedStats: SegmentStats;
+  fallbackLabel?: string;
   segments: Record<number, Segment>;
 }