improvement(wrapped): 概览卡片补充年度新增好友统计

- 后端 Card#0 增加 addedFriends 字段（基于系统消息关键字 best-effort 识别新好友）

- 前端概览文案在 addedFriends>0 时展示新增好友数

- bump wrapped cache version，避免旧缓存导致字段缺失

frontend/components/wrapped/cards/Card00GlobalOverview.vue

@@ -18,6 +18,11 @@
             在与你相伴的
             <span class="wrapped-number text-[#07C160] font-semibold">{{ formatInt(activeDays) }}</span>
             天里，
+            <template v-if="addedFriends > 0">
+              你总共加了
+              <span class="wrapped-number text-[#07C160] font-semibold">{{ formatInt(addedFriends) }}</span>
+              位好友，
+            </template>
             <template v-if="mostActiveHour !== null && mostActiveWeekdayName">
               你最常在 {{ mostActiveWeekdayName }} 的
               <span class="wrapped-number text-[#07C160] font-semibold">{{ mostActiveHour }}</span>
@@ -116,6 +121,7 @@ const formatFloat = (n, digits = 1) => {
 
 const totalMessages = computed(() => Number(props.card?.data?.totalMessages || 0))
 const activeDays = computed(() => Number(props.card?.data?.activeDays || 0))
+const addedFriends = computed(() => Number(props.card?.data?.addedFriends || 0))
 const messagesPerDay = computed(() => Number(props.card?.data?.messagesPerDay || 0))
 
 const mostActiveHour = computed(() => {