refactor(desktop): organize lib modules by domain

apps/desktop/src/lib/database/databaseOptionSearch.ts

@@ -0,0 +1,10 @@
+export function filterDatabaseOptions(options: string[], query: string, displayName: (option: string) => string = (option) => option): string[] {
+  const normalizedQuery = query.trim().toLowerCase();
+  if (!normalizedQuery) return options;
+
+  return options.filter((option) => {
+    const raw = option.toLowerCase();
+    const label = displayName(option).toLowerCase();
+    return raw.includes(normalizedQuery) || label.includes(normalizedQuery);
+  });
+}