fix(data): 切换成员时补充 id 字段并修复 userId 类型问题

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

miniprogram/pages/data/data.ts

@@ -232,10 +232,10 @@ Page({
             relationType?: number | string | null
             avatar?: string
         }
-        const selectedUserId = m.userId ?? m.id
         const storedUserId = (wx.getStorageSync('userInfo') as StorageUserInfo | null)?.userId ?? ''
         const userInfo: PageUserInfo = {
-            userId: selectedUserId,
+            id: m.id,
+            userId: m.userId ?? '',
             realname: m.name,
             sex: m.sex ?? (m.gender === '男' ? 1 : 2),
             height: m.height,
@@ -244,7 +244,7 @@ Page({
             relationType: m.relationType ?? null,
             sex_dictText: m.gender,
             age: m.age,
-            isSelf: selectedUserId === storedUserId,
+            isSelf: m.userId === storedUserId,
         }
         this.setData({ showSelectDrawer: false, userInfo })
         this.loadData()