Replace the home hero with a spring carousel and default theme to light.

Adds Carousel under keep-alive-safe autoplay, peeks side cards past the container, and stops following the OS dark preference on first run.

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

apps/user-app/src/views/HomeView.vue

@@ -4,11 +4,10 @@
   Layout intent — shop first, account second:
     1. a slim brand bar with search + cart
     2. the live 18k rate strip (real: GET /pricing/latest)
-    3. an editorial showcase hero built from real categories
+    3. spring card carousel hero (admin slider images)
     4. the category rail (real: derived from GET /catalog/products)
     5. "برگزیده" — staggered 2-col masonry (wireframe: unequal card heights, flush bottoms)
     6. "تازه‌ها" — full-width horizontal ProductRow list
-    7. the account block (real: GET /customers/:id when signed in)
 
   Data honesty, carried over from the previous version deliberately:
     - the API exposes no curated home payload, no promotions and no per-product
@@ -43,7 +42,7 @@
     <container class="home__body" :class="{ 'is-revealed': revealed }">
       <RateStrip :quote="goldPrice" class="home__rate reveal" :style="revealDelay(0)" />
 
-      <ShowcaseSlider
+      <Carousel
         v-if="slides.length"
         :slides="slides"
         class="home__hero reveal"
@@ -115,8 +114,8 @@ import { useRouter } from 'vue-router'
 import { Loading, PullRefresh } from 'vant'
 import Icon from '../components/icon/Icon.vue'
 import RateStrip from '../components/home/RateStrip.vue'
-import ShowcaseSlider from '../components/home/ShowcaseSlider.vue'
 import type { ShowcaseSlide } from '../components/home/ShowcaseSlider.vue'
+import Carousel from '../components/home/Carousel.vue'
 import CategoryRail from '../components/home/CategoryRail.vue'
 import ProductCard from '../components/product/ProductCard.vue'
 import ProductRow from '../components/product/ProductRow.vue'