feat(FN-2995): export research settings resolver for dashboard alias builds

Exports the research settings resolver from `@fusion/core` types to fix dashboard alias builds, ensuring the resolver is available when imported through the dashboard's module alias configuration.

Fusion-Task-Id: FN-2995

packages/dashboard/app/components/SettingsModal.css

@@ -256,6 +256,18 @@
   background: var(--text-muted);
 }
 
+.settings-research-source-grid {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: var(--space-sm);
+}
+
+@media (max-width: 768px) {
+  .settings-research-source-grid {
+    grid-template-columns: 1fr;
+  }
+}
+
 .settings-nav-item {
   display: block;
   width: 100%;