diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 18a246fb..6122e91b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,11 +30,18 @@ jobs:
           node-version: '20'
           cache: 'npm'
           cache-dependency-path: explorer/package-lock.json
-      - name: Build Explorer frontend
+      - name: Install Explorer frontend dependencies
+        working-directory: explorer
+        run: npm ci
+      - name: Test Explorer frontend
         working-directory: explorer
         run: |
-          npm ci
-          npm run build
+          npm run test:graph-store
+          npm run test:graph-workspace
+          npm run test:plugin-registry
+      - name: Build Explorer frontend
+        working-directory: explorer
+        run: npm run build
       - run: pip install build
       - run: python -m build
       - name: Verify Explorer frontend is packaged
diff --git a/explorer/src/workspaces/GraphWorkspace/GraphWorkspace.tsx b/explorer/src/workspaces/GraphWorkspace/GraphWorkspace.tsx
index 4aa36e7a..df2cd6ec 100644
--- a/explorer/src/workspaces/GraphWorkspace/GraphWorkspace.tsx
+++ b/explorer/src/workspaces/GraphWorkspace/GraphWorkspace.tsx
@@ -2323,7 +2323,11 @@ export function GraphWorkspace({ externalFocusNodeId, externalFocusToken }: Grap
       const structureLayerChanged =
         prev.structureLayer?.cacheKey !== diagnostics.structureLayer?.cacheKey ||
         prev.structureLayer?.lastDrawAt !== diagnostics.structureLayer?.lastDrawAt ||
-        prev.structureLayer?.enabled !== diagnostics.structureLayer?.enabled;
+        prev.structureLayer?.enabled !== diagnostics.structureLayer?.enabled ||
+        prev.structureLayer?.disabledReason !== diagnostics.structureLayer?.disabledReason ||
+        prev.structureLayer?.curveCount !== diagnostics.structureLayer?.curveCount ||
+        prev.structureLayer?.bridgeCurveCount !== diagnostics.structureLayer?.bridgeCurveCount ||
+        prev.structureLayer?.backboneCurveCount !== diagnostics.structureLayer?.backboneCurveCount;
 
       // distanceVisual is compared by reference: GraphCanvas passes the same
       // object when distances haven't changed.