Refresh homepage hero, category carousels, and product UI.

Add livestock/poultry/additive carousels, hero category icon slot, and product card polish while restoring the vineyard hero background.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/lib/meshkee.ts

@@ -50,8 +50,8 @@ export async function getWebsiteFavicon(): Promise<WebsiteFavicon> {
 }
 
 /**
- * Business-managed image overrides (hero slider, category tiles, feature
- * icons, about photo, brand logos). Each slot has a stable `key`; when a
+ * Business-managed image overrides (hero category icons, category tiles,
+ * feature icons, about photo, brand logos). Each slot has a stable `key`; when a
  * slot has no images (or the fetch fails) callers must keep their current
  * placeholder — never render broken UI. See CLAUDE.md for the slot-key map.
  */