feat(family): 邀请体验优化——整行可点拉起分享、分享文案带邀请人、受邀直达自动加入

- 邀请行改为 open-type=share 的 Button 铺满整行，整行任意位置可点，视觉与普通行一致
- 分享标题带邀请人昵称：「XX 邀请你加入家庭圈「XX」」
- 接收方从分享卡进入：未登录先登录回跳，已登录且非成员时自动调 joinHome 完成加入，无需手动点击

src/pages/family/detail.module.scss

@@ -74,15 +74,31 @@
   margin-top: 24px;
 }
 
-// 邀请行：与 ListRow 同款外观，但右侧为 open-type=share 的原生 Button（触发转发面板）
+// 邀请行：open-type=share 的原生 Button 铺满整行（整行可点拉起转发面板），样式与 ListRow 一致
 .shareRow {
   display: flex;
   align-items: center;
   justify-content: space-between;
+  width: 100%;
   min-height: 104px;
   padding: 0 32px;
+  box-sizing: border-box;
+  margin: 0;
   background: $color-bg-white;
+  border: none;
   border-bottom: 1px solid $color-border;
+  border-radius: 0;
+  font-size: inherit;
+  line-height: inherit;
+  text-align: left;
+
+  &::after {
+    border: none;
+  }
+}
+
+.shareRowPressed {
+  background: $color-bg-press;
 }
 
 .shareLabel {
@@ -90,21 +106,6 @@
   color: $color-text;
 }
 
-// 清除小程序 Button 原生样式（边框/底色/行高），仅保留命中区
-.shareBtn {
-  margin: 0;
-  padding: 0;
-  width: auto;
-  min-width: 0;
-  background: transparent;
-  border: none;
-  line-height: inherit;
-
-  &::after {
-    border: none;
-  }
-}
-
 .shareArrow {
   font-size: 36px;
   color: $color-text-placeholder;

src/pages/family/detail.tsx

@@ -1,5 +1,6 @@
 import { useState } from 'react'
 import { useRouter, useDidShow, useShareAppMessage } from '@tarojs/taro'
+import Taro from '@tarojs/taro'
 import { View, Text, Button } from '@tarojs/components'
 import { useAppSelector } from '@/store/hooks'
 import { Navbar } from '@/components/navbar'
@@ -7,7 +8,7 @@ import { Loading } from '@/components/loading'
 import { StateView } from '@/components/state-view'
 import { FamilyCard } from '@/components/family-card'
 import { ListRow, ListRowGroup } from '@/components/list-row'
-import { getHomeDetail, getHomeMemberList, type HomeInfo, type HomeMember } from '@/api/home'
+import { getHomeDetail, getHomeMemberList, joinHome, type HomeInfo, type HomeMember } from '@/api/home'
 import { getCareMemberList, type CareMember } from '@/api/careMember'
 import { MAX_CARED_PER_FAMILY } from '@/constants/family'
 import { ROUTES } from '@/constants/routes'
@@ -30,9 +31,12 @@ const contactsSummary = (c: CareMember): string => {
 export default function FamilyDetail() {
   const router = useRouter()
   const familyId = router.params.id ?? ''
+  const isInviteEnter = router.params.invite === '1'
   const token = useAppSelector((s) => s.auth.token)
+  const myUserId = useAppSelector((s) => s.auth.userId)
 
   const [loading, setLoading] = useState(true)
+  const [joining, setJoining] = useState(false)
   const [family, setFamily] = useState<HomeInfo | null>(null)
   const [members, setMembers] = useState<HomeMember[]>([])
   const [caredList, setCaredList] = useState<CareMember[]>([])
@@ -62,14 +66,39 @@ export default function FamilyDetail() {
     }
   }
 
-  // 从添加表单返回时刷新
+  // 从添加表单返回时刷新；受邀进入且尚未是成员时自动加入（跳过手动点击步骤）
   useDidShow(() => {
-    load()
+    load().then(() => {
+      if (
+        !isInviteEnter || joining || myUserId == null ||
+        members.length === 0 || members.some((m) => m.memberId === myUserId)
+      ) return
+      autoJoin(familyId)
+    })
   })
 
-  // 邀请分享：接收方从分享卡进入本页后点「加入」走 joinHome(code)
+  // 受邀直达：已登录但非成员时自动加入，无需手点
+  const autoJoin = async (homeId: string) => {
+    if (joining) return
+    setJoining(true)
+    try {
+      await joinHome(homeId)
+      showToast('已加入家庭')
+      await load()
+    } catch (e) {
+      showToast(e instanceof Error ? e.message : '加入失败')
+    } finally {
+      setJoining(false)
+    }
+  }
+
+  // 邀请分享：接收方点分享卡直达本页，登录后自动加入
+  const inviterName = () => {
+    const me = members.find((m) => m.memberId === myUserId)
+    return memberName(me ?? members[0])
+  }
   useShareAppMessage(() => ({
-    title: `邀请你加入家庭圈「${family?.name ?? ''}」`,
+    title: `${inviterName()} 邀请你加入家庭圈「${family?.name ?? ''}」`,
     path: `${ROUTES.FAMILY_DETAIL}?id=${familyId}&invite=1`
   }))
 
@@ -167,16 +196,15 @@ export default function FamilyDetail() {
         <View className={styles.section}>
           <ListRowGroup>
             <ListRow label="家庭编号" value={family.homeId} onClick={stub('复制成功（占位）')} arrow />
-            {/* open-type=share 触发右上角同款转发面板；Button 原生样式清除交由 shareBtn 样式接管 */}
+            {/* open-type=share 的 Button 铺满整行做命中区，样式与普通 ListRow 一致 */}
-            <View className={styles.shareRow}>
+            <Button
+              className={styles.shareRow}
+              hoverClass={styles.shareRowPressed}
+              openType="share"
+            >
               <Text className={styles.shareLabel}>邀请他人</Text>
-              <Button
+              <Text className={styles.shareArrow}>›</Text>
-                className={styles.shareBtn}
+            </Button>
-                openType="share"
-              >
-                <Text className={styles.shareArrow}>›</Text>
-              </Button>
-            </View>
             <ListRow label="转让群主" arrow onClick={stub('转让功能即将上线')} />
             <ListRow label="修改群昵称" arrow onClick={stub('修改昵称功能即将上线')} />
           </ListRowGroup>