Fix all TypeScript errors and remove Storybook

- Remove all Storybook files and configuration
- Add type declarations for @vueuse/core, @formkit/core, vue3-apexcharts
- Fix TypeScript configuration (typeRoots, include paths)
- Fix Sentry config - move settings to plugin
- Fix nullable prop assignments with ?? operator
- Fix type narrowing issues with explicit type assertions
- Fix Card component linkable computed properties
- Update codegen with operationResultSuffix
- Fix GraphQL operation type definitions

app/composables/useCatalogHubs.ts

@@ -115,7 +115,7 @@ export function useCatalogHubs() {
   const loadCountries = async () => {
     try {
       const data = await execute(GetHubCountriesDocument, {}, 'public', 'geo')
-      countries.value = data?.hubCountries || []
+      countries.value = (data?.hubCountries || []).filter((c): c is string => c !== null)
     } catch (e) {
       console.error('Failed to load hub countries', e)
     }