feat(wrapped-ui): 新增年度总结页面与热力图卡片

- 新增 /wrapped PPT 风格滑动浏览（封面 + 卡片页）

- 新增 Card#1 组件与 24×7 周-小时热力图可视化

- 首页新增年度总结入口；useApi 增加 getWrappedAnnual；补充 wrapped 背景纹理

frontend/components/wrapped/shared/WrappedCardShell.vue

@@ -0,0 +1,54 @@
+<template>
+  <div v-if="variant === 'panel'" class="bg-white rounded-2xl border border-[#EDEDED] overflow-hidden">
+    <div class="px-6 py-5 border-b border-[#F3F3F3]">
+      <div class="flex items-start justify-between gap-4">
+        <div>
+          <div class="text-xs font-semibold tracking-[0.22em] text-[#00000066]">
+            CARD {{ String(cardId).padStart(2, '0') }}
+          </div>
+          <h2 class="mt-2 text-xl font-bold text-[#000000e6]">{{ title }}</h2>
+          <p v-if="narrative" class="mt-2 text-sm text-[#7F7F7F]">
+            {{ narrative }}
+          </p>
+        </div>
+        <slot name="badge" />
+      </div>
+    </div>
+    <div class="px-6 py-6">
+      <slot />
+    </div>
+  </div>
+
+  <!-- Slide 模式：单张卡片占据全页面，背景由外层（年度总结）统一控制 -->
+  <section v-else class="relative h-full w-full overflow-hidden">
+    <div class="relative h-full max-w-5xl mx-auto px-6 py-10 sm:px-8 sm:py-12 flex flex-col">
+      <div class="flex items-start justify-between gap-4">
+        <div>
+          <div class="text-xs font-semibold tracking-[0.22em] text-[#00000066]">
+            CARD {{ String(cardId).padStart(2, '0') }}
+          </div>
+          <h2 class="mt-2 text-2xl sm:text-3xl font-bold text-[#000000e6]">{{ title }}</h2>
+          <p v-if="narrative" class="mt-3 text-sm sm:text-base text-[#7F7F7F] max-w-2xl">
+            {{ narrative }}
+          </p>
+        </div>
+        <slot name="badge" />
+      </div>
+
+      <div class="mt-6 sm:mt-8 flex-1 flex items-center">
+        <div class="w-full">
+          <slot />
+        </div>
+      </div>
+    </div>
+  </section>
+</template>
+
+<script setup>
+defineProps({
+  cardId: { type: Number, required: true },
+  title: { type: String, required: true },
+  narrative: { type: String, default: '' },
+  variant: { type: String, default: 'panel' } // 'panel' | 'slide'
+})
+</script>