ci: add frontend build check to catch broken builds

.github/workflows/test-coverage.yml

@@ -183,6 +183,30 @@ jobs:
         working-directory: ./src/frontend
         run: yarn type-check
 
+  frontend-build:
+    name: Frontend Build Check
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '24'
+          cache: 'yarn'
+          cache-dependency-path: './src/frontend/yarn.lock'
+
+      - name: Install dependencies
+        working-directory: ./src/frontend
+        run: yarn install --frozen-lockfile
+
+      - name: Build frontend
+        working-directory: ./src/frontend
+        run: yarn build
+
   coverage-report:
     name: Coverage Report
     runs-on: ubuntu-latest

src/frontend/src/components/data-contracts/uc-asset-lookup-dialog.tsx

@@ -393,9 +393,9 @@ export default function UCAssetLookupDialog({
     }
 
     const parts = item.id.split('.')
-    const isCatalog = parts.length === 1 || item.type === UCAssetType.CATALOG || item.type === 'catalog'
-    const isSchema = parts.length === 2 || item.type === UCAssetType.SCHEMA || item.type === 'schema'
-    const isColumn = parts.length === 4 || item.type === UCAssetType.COLUMN || item.type === 'column'
+    const isCatalog = parts.length === 1 || item.type === UCAssetType.CATALOG
+    const isSchema = parts.length === 2 || item.type === UCAssetType.SCHEMA
+    const isColumn = parts.length === 4 || item.type === UCAssetType.COLUMN
 
     if (isCatalog) {
       const assetInfo: UCAssetInfo = {
@@ -740,8 +740,8 @@ export default function UCAssetLookupDialog({
     const currentSegment = segments[level]
 
     return nodes.filter((node) => {
-      const isColumn = node.type === UCAssetType.COLUMN || node.type === 'column'
-      const isCatalogOrSchema = node.type === UCAssetType.CATALOG || node.type === UCAssetType.SCHEMA || node.type === 'catalog' || node.type === 'schema'
+      const isColumn = node.type === UCAssetType.COLUMN
+      const isCatalogOrSchema = node.type === UCAssetType.CATALOG || node.type === UCAssetType.SCHEMA
       // When selectable via selectableTypes (e.g. catalog/schema), skip allowedTypes filter
       if (isNodeSelectable(node.type as UCAssetType) && !isColumn) {
         if (!isCatalogOrSchema) {

src/frontend/src/components/search/concepts-search.tsx

@@ -353,7 +353,7 @@ export default function ConceptsSearch({
   };
 
   // Navigate to entity detail page
-  const navigateToEntity = (link: SemanticLink) => {
+  const navigateToEntity = (link: EnrichedSemanticLink) => {
     let path = '';
     switch (link.entity_type) {
       case 'data_product':

src/frontend/src/components/search/properties-search.tsx

@@ -60,7 +60,7 @@ export default function PropertiesSearch({
 
   // Assign dialog: target type and selection
   const [assignDialogOpen, setAssignDialogOpen] = useState(false);
-  const [assignTargetType, setAssignTargetType] = useState<'data_contract_property' | 'uc_column'>('');
+  const [assignTargetType, setAssignTargetType] = useState<'data_contract_property' | 'uc_column' | ''>('');
   const [contracts, setContracts] = useState<any[]>([]);
   const [selectedContractId, setSelectedContractId] = useState('');
   const [selectedSchemaName, setSelectedSchemaName] = useState('');