feat: add seedFontCache utility

src/entities/Font/api/proxy/proxyFonts.ts

@@ -11,13 +11,23 @@
  */
 
 import { api } from '$shared/api/api';
+import { queryClient } from '$shared/api/queryClient';
+import { fontKeys } from '$shared/api/queryKeys';
 import { buildQueryString } from '$shared/lib/utils';
 import type { QueryParams } from '$shared/lib/utils';
 import type { UnifiedFont } from '../../model/types';
-import type {
-    FontCategory,
-    FontSubset,
-} from '../../model/types';
+
+/**
+ * Normalizes cache by seeding individual font entries from collection responses.
+ * This ensures that a font fetched in a list or batch is available via its detail key.
+ *
+ * @param fonts - Array of fonts to cache
+ */
+export function seedFontCache(fonts: UnifiedFont[]): void {
+    fonts.forEach(font => {
+        queryClient.setQueryData(fontKeys.detail(font.id), font);
+    });
+}
 
 /**
  * Proxy API base URL