feat: Add comprehensive Storybook test coverage

.storybook/context-providers.tsx

@@ -102,6 +102,11 @@ export const useChrome = () => {
             resourceDefinitions: [],
           },
         ]),
+      addWsEventListener: () => {
+        // Return unregister function that can be called on cleanup
+        return fn().mockName('unregister');
+      },
+      removeWsEventListener: fn().mockName('removeWsEventListener'),
       ...chromeConfig,
     }),
     [chromeConfig]

.storybook/hooks/scalprum.ts

@@ -0,0 +1,9 @@
+// Mock @scalprum/react-core for Storybook
+// Based on the Jest mock in EmptyNotifications.test.tsx
+
+export const useRemoteHook = () => ({
+  hookResult: [null, null],
+  loading: false,
+});
+
+export const useLoadModule = () => [null, false];

.storybook/main.ts

@@ -28,6 +28,7 @@ const config: StorybookConfig = {
           '.storybook/hooks/useChrome'
         ),
         '@unleash/proxy-client-react': path.resolve(process.cwd(), '.storybook/hooks/unleash'),
+        '@scalprum/react-core': path.resolve(process.cwd(), '.storybook/hooks/scalprum'),
       },
       fallback: {
         ...config.resolve?.fallback,