feat: 支持分享邀请好友功能

packages/app/src/stores/invite.ts

@@ -0,0 +1,26 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+import type { InviteActivitySummary } from '@mp-pilates/shared'
+import { get } from '../utils/request'
+
+export const useInviteStore = defineStore('invite', () => {
+  const activity = ref<InviteActivitySummary | null>(null)
+  const loading = ref(false)
+
+  async function fetchActivity() {
+    loading.value = true
+    try {
+      activity.value = await get<InviteActivitySummary>('/invite/activity')
+      return activity.value
+    } finally {
+      loading.value = false
+    }
+  }
+
+  return {
+    activity,
+    loading,
+    fetchActivity,
+  }
+})
+

packages/app/src/stores/user.ts

@@ -28,6 +28,7 @@ export const useUserStore = defineStore('user', () => {
     memberships.value.filter((m) => m.status === MembershipStatus.ACTIVE),
   )
   const hasValidMembership = computed(() => activeMemberships.value.length > 0)
+  const inviteShareEligible = computed(() => !!user.value?.inviteShareEligible)
 
   // Actions
   async function login() {
@@ -124,6 +125,7 @@ export const useUserStore = defineStore('user', () => {
     isAdmin,
     activeMemberships,
     hasValidMembership,
+    inviteShareEligible,
     login,
     loginWithSetup,
     fetchProfile,